mercedes m273 engine reliability

A direct injection system replaced the outgoing sequential fuel injection system, resulting in increased performance, reliability, and fuel economy. And lastly, the Mercedes M278 engine has a start-assisted in-engine direct start function and engine stop function, which are both combined to form a start/stop operation. It is not very well known for its reliability, as many drivers reported extensive issues with timing components, the intake manifold, and oil leaks. This wasn't mandatory, it was just more suitable for continuous high RPM operation thats common in a racing environment. Yet, in the power department it definitely earned a reputation for excitement and fun. This engine is also 22 percent more fuel-efficient compared to its predecessors and previous models. Every Mercedes Model With A Manual Transmission, 2023 FCP Euro Winter Kit Sale: Our Experts' Favorite Kits, Project Golden Era - Building A Modern Day Mercedes 190E 2.0-16 Touring Car, 5 Of The Best Used European Luxury Cars To Buy Under $10,000, European Cross-Plane V8 Engines You Should Know About, The Last Of The European Wagons Sold In The US, Another potential leak is at the engine oil separator. The Mercedes-Benz M276 engine family has a lot to offer. With the relatively heavy diesel engine and the very heavy hybrid system, this was not as successful of a configuration as it might seem. CLICK FOR DETAILS: 2007 Mercedes-Benz S550 on eBay. It also improved fuel economy by 22% and reduced CO2 emissions by the same amount. Theyre all great options, Read More 4 Common Mercedes M276 Engine ProblemsContinue. Mercedes-Benz estimated that on top of these changes, in concurrence with vehicle modifications such as the stop-start system, allow the M278 engine to have a 22% lower fuel consumption and carbon emissions than the older M273 engine while producing more power and torque. Its also not a complicated repair for the DIY crowd, but labor can add in another chunk of money for the repair shop crowd. Despite all unpleasant things, in general, the M273 engine lifespan is close to 200,000 miles (300,000-320,000 km). The working volume of the new power unit is 1.6 or 1.8 liters. Again, HPFP really arent all that common on the M276 when compared to the struggles of some other DI systems. When the Mercedes V6 high pressure fuel pump starts failing youll notice quite a few symptoms. It has sodium filled exhaust valves for optimal heat reduction, and also uses a direct injection system like the M278. Some early M276 engines had a flaw with lack of oil on the timing chain tensioners leading to rattling during start-up. However, its a good time to add a few quick notes. Transmission: 5-speed automatic. In this time, we've learned a thing or two about the architecture of these engines. Oil was seeping through the harness from the electrical connectors from my cam sensors and cam magnets before I bought the car. Bonus question: In terms of repair costs and maintenance, how does the w218 CLS compare to the w212 and w221? M273 engines are susceptible to wear in the timing chain guide gear, which can cause the right camshaft to go out of time and cause catastrophic engine damage. JavaScript is disabled. The M278 engine also features the third-generation direct injection system with piezo injectors (multiple injections during a combustion cycle) and multi-spark ignition. It's proven over the years as bulletproof engine ? Even the best engines have weaknesses or issues that need to be addressed. North American engine availability is duly noted below.). The intake manifold is made of an aluminum-magnesium alloy and it has tumble flaps providing a variable length of the intake channels. What do you think about that? In Stock. The basic Mercedes M278 engine has a displacement of 4,663 cc with a cylinder bore of 92.9 mm, a piston stroke of 86 mm, and a compression rating of 10.5. Well give the M276 average to above average remarks for reliability. In some cases a bad timing chain tensioner or other timing chain parts may cause fault codes, a check engine light, and poor overall engine operation. Few problems should happen as long as they are regularly serviced and maintained. Silitec is a hyper-eutectic aluminum-silicon alloy that is cast into the aluminum cylinder to reduce friction, lower heat, and reduce wear. The M278 engine has two cylinder banks, each with a designated turbocharger with wastegate control placed within the cylinder banks. The M112 was the 3.7 V6 in the SL350 before the M272 came along? . Easy-peasy until you get to the AMG versions with special packages. Has 236K km on the clock. However, the challenge here is that the engine has a pretty complicated timing chain drive arrangement. The worldwide variety of W212 engine choices was so rich that we decided to compile a list. Previously, we have looked at the 5 most common problems with the M157, so make sure to check that out when you get a chance. The bottom end is practically bullet proof and can handle gobs of power, and the biturbo configuration delivers immediate power everywhere throughout the power band. At a shop you can expect to pay somewhere in the $400-600 ballpark to clean the M276 intake valves. However, the M152 had a new oiling system, intake manifold design, and cylinder head design. This leads to the rattling sounds until oil pressure builds up enough. If they start to fail then you will experience various symptoms like: an illuminated check engine light, stored fault codes or even loss of power, poor idle/misfires, eventually stalling. Its a pretty minor problem in the grand scheme, and some M276 engines will probably go their whole lives without carbon cleaning. Its also related to the Fiat-Chrysler 3.6L Pentastar V6 engine since Mercedes was owned by FCA at the time. Any other owners care to share their experiences with these engines? The 72-degree, 3.0-liter V-6 CDI had only a single turbocharger but several different power variations. Drive as low as 4,8L/100km on highway, 1500rpm at 120km/h. Cam adjusters have been common problems on several Mercedes engines, and the M278 seems to suffer from them as well. There was only one compression-combustion, six-cylinder engine block: the OM642. Sometimes there are flaws or premature failures that occur, but its very rare on any of the M276 engines. The aluminum DOHC cylinder heads have 4 valves per cylinder. Im looking at either a na 276 and the de30. Get it as soon . Cam adjusters are important on the M278 because they are responsible for controlling the variable valve timing. Some were available with all-wheel-drive. The engine is equipped with fracture-split, forged connecting rods and light-weight, low-friction aluminum pistons. Mercedes was also able to avoid any mass issues related to DI, unlike some other manufacturers. M272 V6 & M273 V8 engine - soft balance shaft gears. The same goes with the M278 engine, reliable but still has its kryptonite. They also cut down on turbo lag, making the car more responsive. Good for you, but don't buy anything untill. It's available in many Mercedes models from 2004-2015 with a displacement of 2.5L, 3.0L, or 3.5L. I hope that this discussion cleared some confusion in your head regarding the Mercedes M278 engines architecture, issues, applications, potential, reliability, and overall impact on the automotive industry. Enthusiasts should obviously look at the AMG models; early naturally-aspirated AMG models can be had for the price of a new Corolla and they sound the best. Check these out to see just how in-depth we go to make them. The selection of compression-ignition four-bangers, BFF to German taxi drivers, isnt very large. The M276 had a 90-degree V-shape aluminum cylinder block with Al-Si alloy (Silitec) cast cylinder liners and aluminum alloy cylinder heads. My 2013 S550 apparently had issues with oil in the harness a few months before I bought it from the dealership. It's a new year, and that means new inventory. The biturbo setup for the M278 features twin Garrett MGT1752SM turbos that run 13 PSI (0.9 bar) of boost. Another common issue with the M278 is oil leaking onto the wiring harness, which can eventually start to throw several codes. Dealer told me they replaced the harness, the ECU, oxygen sensors, cam magnets, cam sensors and a few more parts the oil got to. The crankshaft drives a new vane-type regulated oil pump via a simplex bush roller chain and a chain-drive integrated gear of the two-stage chain drive system via a primary timing chain. Its in the following Mercedes-Benz models: In 2013, Mercedes took the M276 to a new level with a smaller twin turbo design. *Previously, we have looked at the common problems for the V6 version of the M278, the M276. The Mercedes M113 engine family made its debut in 1997. Engine systems are controlled by the MED17.7 engine control unite (ECU). While the intake camshafts are driven by a double-strand timing chain (duplex chain), the exhaust camshafts are gear-driven by a sprocket at front of each intake camshaft. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. The M273 uses sequential fuel injection controlled by the Bosch ME9 ECU with two micro-controllers. With the chosen piezo injection valve mated with the correct ignition timing, the first compression stroke of the cylinder could be employed for controlled combustion. Its difficult to judge a model that was introduced less than a decade ago; but, according to the above-mentioned criteria, we can safely say the 20102016 W212 E-Class improved on the W211. It seems more and more cases pop up as some of the early engine keep aging. Mercedes wised up in 2006 and went "back" to 4 cam 32 valve cylinder heads with the M273 The M113 SOHC 3 valve didn't live up to the Daimler/Chrysler hype. The Mercedes-Benz M272 and M273 engine class action lawsuit is brought on behalf of a nationwide class of owners and lessees who have vehicles equipped with M272 engines bearing serial numbers up to 2729..30 468993 and M273 engines bearing serial numbers up to 2739..30 088611. The Mercedes-Benz M273 engine is a V8 automobile piston engine family used in the 2000s (decade). Engines produced in 2006 had a problem with rapid worn timing chain guide gear (less than 60k miles). Dirty flaps could be stuck or create high loads on the plastic VIM actuator cam. Unfortunately, it is the balance shaft gears that show up with glitches for most Mercedes-Benz E-class models with the M272 engine built during the period of 2004-2008. Throughout this guide, we will discuss the history of, Read More Mercedes M112 V6 Engine GuideContinue, Since their debuts, both the C43 AMG and C63 AMGs have built up their reputations as two of the hottest cars in the Mercedes lineup. Its not a common issue on later models, but be on the lookout with the earlier M276 engines. From those rails, the piezo injectors spray refined atomized fuel into the combustion chambers and are capable of providing up to five injections per cycle. Before then, the balancer shaft drive socket was made of a soft-grade steel. Theres just one family of engines: the OM651-series, based on a 2143cc engine with Delphi controls. 2009-2013: 1.8-liter turbocharged engine, made 201 hp and 229 lb-ft of torque. Drivers have given the M278 rave reviews in nearly all of the models that feature it. Inside the cylinder bore is cast-in Silitec cylinder liners. The honing process destroys the etching layer, and renders them useless. Alright. Fortunately, the M276 HPFP rarely fails suddenly but rather over the course of a couple months or even years. The cooling system is also managed by ECU - a mechanical thermostat was replaced by a new electronically controlled thermostat for optimum control of engine temperature. For North American buyers, there is no one best engine choice. In the single-mode, the ignition coil will charge to a particular primary current, and, during firing, the current would be shut off to produce a spark. The first Mercedes-Benz models . The last application of the M104 engine was used in the Mercedes 140; however, the M104 engine and its variants have been applied to, Read More Mercedes M104 Engine GuideContinue, Since their debuts, both the C43 AMG and C63 AMGs have built up their reputations as two of the hottest cars in the Mercedes lineup. $6,825 - $16,150. The Fora platform includes forum software by XenForo. This minimises the production line re-tooling since this type of V6 is effectively a shortened V8. That should cover everything you need to make a decision whether or not you want to get into one of the many awesome Mercedes with the M272/M273. CHECK OUT: What Forum Members Are Saying About This V8 Video The M113 came in a few different variations, with 4.3, 5.0, and 5.5-liter versions. It went back to DOHC and single spark plug while carrying over the advancements from the M113 C cm60k E500E Enthusiast Aug 17, 2011 #12 *M113: misery guys (life & death for money no more), Engineers with no pretty wifes with bad food>>bad sleepy night>>big headache in 5 5 . This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. For decades, the Mercedes-Benz S-Class sedan has reigned as a supreme icon of luxury motoring. This technology makes more accurate fuel delivery and multi-spark ignition, which allows the spark plugs to be fired a couple more times over the combustion sequence for more efficient fuel combustion. Please advise where I can source these sleeves. Mercedes-Benz W204 (C300, C350, C63 AMG) Video Buyer's Guide: What You Need To Know Before Buying; How to Fix Common Mercedes-Benz Oil Leaks (M112, M113, M272, M273) The Most Common Issues Of The Mercedes-Benz AMG M156 Engine; The Definitive Guide To The Mercedes-Benz Airmatic Suspension System and our repair kits can be found at this link. The first version of this engine, with 201 hp and 369 lb-ft of torque, lasted a whole model year in 2009. For me, it's comfort and luxury, not high performance and reliability. It had some growing pains but later versions have been improved. Just wonder what you guys thinking about Mercedeses engines ? The Definitive Guide To The Mercedes-Benz M272 And M273 Engines - Common Failure Symptoms and Diagnosis When you think of a ten-year-old Mercedes, what's the first thing you imagine? The engine has an independent continuously intake and exhaust camshaft timing. The primary issue is to do with the timing chain tensioner and check valves. M273 4.7L. Sign up for the latest automotive news and videosin short, everything for people who love cars. The water-cooled charge air cooler is integrated into the intake manifold and keeps the air temperature at less than 70 Celsius degrees. 4 Most Common Dodge 5.7 HEMI Problems Tuning 5.7 HEMI V8 Oil Price: Buy It Now $10,900. Well clarify where necessary in the article. Ample amount of increase that can rival even the sports cars today. There were gasoline and diesel versions, both provided with multiple cylinder counts and varying displacements. A 228-hp, 398 lb-ft version become the standard from 20102013. History, Power & Specs of the M278 Engine M278 429 bhp 435 PS at 5,250 rpm 700 Nm 516lbft 402 bhp 408 PS 600 Nm 443lbft at 1,600 rpm Hearing the cold start noise on most cars from 90-130 thousand km. Click on the buttons below to read more about the typical problems that fall outside the scope of routine maintenance. Incorrect operation of the variable intake manifold features the following symptoms: rough idle and a loss of power with check engine light illumination. Especially the "owned and driven" experience. Free carbon neutral shipping on US orders $50+. You must log in or register to reply here. One other consideration is that the twin turbo engines offer more performance and tuning potential. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {"useNewLoader":"true","region":"na1"}); Kyle is the Mercedes Catalog Manager at FCP Euro and has been with the company since 2014. This has happened to a lot of people. The air cleaner box features two air filters. thank you Each camshaft is equipped with the hydraulic vane-cell adjusters of the variable valve timing system, which has an increased adjustment range compared to the M273. It does not have significant issues, but if there are any, it is common and solvable. This engine was also mated to the new seven-speed slushbox. Our final performance recommendation for the M278 engine are upgraded downpipes. Hi This failure could cause a wrong positioning of the camshafts. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. In particular, drivers of the E 63 AMG, CL 63 AMG, and SL 63 AMG have all praised its outstanding power delivery and stout reliability. You are using an out of date browser. Those same engines ran into excess carbon build-up as early as 40,000 to 60,000 miles. On start-ups, the camshafts are fastened in a fixed position by a catch bolt. Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. Unfortunately, the M273 engines have earned a reputation as one of the most problematic Mercedes V8 engines. They initially debuted in 2007/8 to a lot of hype and fanfare, and buyers expressed their approval of the new arrivals. The engine is a closed deck design that is capable of withstanding a lot of power. Ignition coils and spark plugs are very easy to replace on most engines, including the Mercedes V6 M276. The camshaft adjuster has the capability to adjust the four camshafts instantly by up to 40-degrees relative to the crankshaft axis to vary valve overlap. The engine block of 4.7L M273 46 KE has 92.9 mm (3.66 in) bores and an 86.0 mm (3.39 in) stroke. Thanks,, at what year did the faulty shaft get changed please or number. There are a couple of extremely reliable Mercedes engines such as the 2.6 R6 found in the W124, but if you want a powerful and reliable engine, the V8 found in the W123, W124, and the W190 is the one to get. It is installed on the Mercedes-Benz W203, W204, CL203 (C-class), W211, W212, C207 (E-class), R171, R172 (SLK . Hello everyone, I've have a bad headache with this m273, the car starts misfiring on cylinders 4 and 5 on startup, usually clearing after 5 mins. All of the abovementioned vehicle models are still badged as 550. Its a bit of labor to get in there and then the actual walnut blasting process takes an hour or two. Like. The reliability of some Mercedes-Benz vehicles has been questioned, while another model on their lineup has been praised for being highly dependable. The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. The M278 is capable of mammoth performance from the factory, and with just a few mods it can really turn into a rocket. In fact, a general rule of thumb is that the Alusil cylinders are a one-time-use product, and should not be used again if the engine is rebuilt. Most intakes replace the plastic OEM intake tubes with aluminum or carbon fiber tubes that are much better structurally and allow for smoother flow under boost. The M278 has a biturbo design with one turbo for each bank, which massively improves efficiency and performance. Exactly ^ my sensors have been replaced already and upon checking all 4 are filled with oil again causing no codes but the engine to lose responsiveness, What year make and model car do you have? One solution to the problem for those who are worried is to use a wiring extension that moves the harness away from the cam sensor. Read More Mercedes M256 Engine GuideContinue. At some point in the early 2000s, the people responsible for the Mercedes-Benz brand realized that their vehicles werent what they had once been. The engine grew from 122 to 202 hp. Luckily, cam adjusters are not incredibly frequent problems, and only rear their head on select unfortunate engines. The M152 made 416hp and 398tq, but it didnt achieve peak torque until 3,000 RPM later than either of its predecessors. This engine makes an impressive 342-362hp and 376-391 lb-ft of torque. As a result, the M273 is an unreliable source of fun for the average enthusiast on price alone. 1) Mercedes-Benz M276 HPFP Issues. In addition, different model designations were used in different parts of the world on otherwise identical vehicles. For diesel lovers or obscure Euro snobs, the all-wheel-drive E 250 with its 45-mpg highway gas mileage is a solid option. How to check by VIN. It may not display this or other websites correctly. E 500 and E 550: The E 500 was known as the E 550 in North America. The 2010-2011 S550 is a great choice if you want an upgraded look. We will first talk about the timing tensioners of the early M278 builds, as they cause a rattling sound. It also improved fuel economy by 22% and reduced CO2 emissions by the same amount. FOR SALE! It makes it much deeper, raspier, and louder. This engine did suffer from head gasket failures but aside from that was very robust, as was the five-speed automatic transmission. How do they compare to a masterpiece like the M113? A stage 2 tune can stretch AMGs power and torque, reaching approximately 540 HP and 700 lb-ft of torque. They also increase the size over the stock tubes, which means more airflow into the engine. All prior 6-cylinder engines from Mercedes were straight sixes. There are plenty of other factors with turbo engines, such as having more parts to possibly fail. While the factory intake is adequate, aftermarket intakes will add about 5-15whp while increasing induction sounds. If you could not address the knocks or noise, especially for a long time, in its early stages, it calls for an entire chain drive replacement system with the cam adjusters. Labor can add quite a bit of money on top. Your email address will not be published. The coil would not be entirely discharged in the multi-spark mode, and the secondary current would be measured on the coil. Symptoms include a CEL with diagnostic trouble codes 1200 and/or 1208. . More good news is that the M276 fuel pump is pretty cheap at about $300-600. This article is in reference to all of the engines in the M276 family. Make sure to check out the guide for any M276 related questions. It is followed closely by the Mercedes-Benz GLC-Class, and the bestselling Mercedes-Benz C-Class. Mercedes has built more than a handful of sporty, luxurious vehicles with manual transmissions. Later on, Mercedes switched on using NanoSlide coating, a far better material for scratch resistance. This was the easy part. 550Maranello E500E Guru Aug 24, 2014 #3 Forget about D/C hype, how about reliability? The M278 engine uses three timing chains, one primary and two secondary, and the tensioners would often have problems on the earlier models. The cylinder block of M278 is made from lightweight aluminum material. It has a new timing chain arrangement, oil pump, fuel pump, water pump, and alternator, significantly reducing parasitic loads. It has a slightly reduced compression ratio, 10.0:1, compared with the M278s 10.5:1. The M278 improved upon the outgoing M273 in a variety of ways. Maintain the M276 well and its likely to be an excellent, reliable engine that you can enjoy for years to come. Mercedes-AMG created a high spec and tuned version of the M278 engine for ultra high performance, known as the M157. Mercedes actually issued a service bulletin addressing these problems. Cls 500 2007. Whats your experience with the Mercedes-Benz M276 V6 engine? E 220 CDI: Twice the turbos, some more power. The M157 features twin Garrett MGT2260SML turbos that run 13-14.5 PSI (0.9-1.0 bar) of boost, depending on the application. There were some reports of engine oil starvation due to the failure of the oil pump drive gear (oil pump is driven via a chain). 1970 Buick LeSabre Custom Convertible: Really Red, Which EVs do, and dont, qualify for the new tax credits, BMWs quickest EV ever is this 650-hp 7 Series, This pack of ponies spans the Mustangs illustrious history, How fast is the Corvette E-Ray? The engine has a 10.5:1 compression ratio and makes peak torque at just 1,600 RPM. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Airmatic suspension failure. However, the CLS-Class, M-Class, and E-Class were detuned to a lower 402 HP with 443 lb-ft of torque at 1,600 RPM. E 250 BlueEFFICIENCY: Similar to above but tuned to higher power levels. 5.4L M113 engines power the following 55 AMG models: 1998-2000 C55 AMG 1998-2001 SL55 AMG 1998-2002 E55 AMG MotorReviewer - Automotive products and accessories specifications and reviews. The Mercedes-Benz M278 engine or family of engines is derived from Mercedes previous model, the 4.7 Liter M273 V8 engine. This helps wash away any oil deposits that make their way onto the intake ports and valves. This was the easy part. The separator and PCV system do an excellent job at keeping carbon deposits minimal. The most reliable W221 is the 2008-2011 S550, equipped with the naturally aspired M273 engine and 7-speed automatic transmission. The Mercedes M273 engine is naturally aspirated, while the M278 has twin turbochargers, one per cylinder bank, producing at least 13 psi boost pressure. Ethanol is a great way to boost performance on the M278, because tuners can run leaner air-to-fuel ratios and greater ignition timing without running the same risk of detonation or pre-ignition. Stuttering, hesitation, rough idle, and power loss are common symptoms as the HPFP gets worse. Mercedes-Benz GL450 (X164) 5.5L. The M278 has new pistons with increased by 2 mm compression height. Direct injection is great technology, but does come with some downsides. Alusil cylinders cannot be reliably reringed. To achieve even firing pulses throughout the 4-stroke 720-deg cycle, a 6-cylinder engine should produce a power stroke every 120-degrees. All M272 engines have aluminum engine blocks with a 90 V-angle with silicon/aluminum lined cylinders. There were even hybrid models. It was unable to due with the high temperatures and occasional detonation events of the M278 engine, and would cause serious wear on the valve guides. The M273 series was released in 2005 as a successor for the M113 engine. Which one you pick is up to you. I am in South Africa Youll find some that claim carbon build-up is not an issue at all. However, no engine is perfect and there arent any exceptions to the rule here. WFLNHB Intake Manifold Air Flap Adjuster Repair Kit 2721402401 Fits for Mercedes-Benz M272 M273 Engine Replace 272 140 24 01. . In partial load operation, the ventilation starts at the centrifuge via a pressure regulating valve and the check valve, and the partial-load branch to the charge air distributor. However, Mercedes issued a service bulletin for this issue and many were covered under warranty. In 1999, DaimlerChrysler AG (as . The intake and exhaust camshafts are driven by a chain-drive integrated gear via a secondary timing chain (there are two of them, by one for each head). However, no engine is perfect and that applies to the M276 as well. Buying a cheap European luxury car can be intimidating. Ho does newest engines M276/278 stand against older engines w16302ML500 w21097E50Amg w20299C230K w12494420e /==>w12495320e-199u (needs elec TLC) /GreatWhiteNorth Kanada. The Mercedes-Benz M278 is a family of direct injected, Bi-turbocharged, V8 gasoline automotive piston engines.. The M278 has new pistons with increased by 2 mm compression height. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. Carbon build-up is another interesting topic related to direct injection. Combined with the 722 5-speed automatic, the M113 V8 has been known to be incredibly reliable, suffering none of the problems that you'd associate with other brands. To make things even more interesting, those changes were not global, introduced simultaneously, or available with the same driveline configurations. Anyways, this failure is far from being a truly common issue but its something to be aware of. Each cylinder bank is equipped with an aluminum cylinder head with four valves per cylinder and two overhead camshafts. Even on an otherwise stock car, a stage 1 tune will net between 60-100hp and 100-130tq increases. Performance models made between 429-449hp and 465tq, and peak torque was achieved at just 1,800 RPM. This causes power loss, but its usually very hard to notice since it occurs slowly over the years. Buy KIPA Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 M273 V8 Durable superior reliability, OE # 2721402401 . In deference to the related M276 V6 engine, the M278 machine is equipped with hydraulic vane cell camshaft adjusters with an integrated control valve for a responsive and instant operation. On later models, but it didnt achieve peak torque until 3,000 RPM later than either of its and! Or even years likely to be an excellent, reliable but still has its kryptonite reigned. With rapid worn timing chain arrangement, oil pump, and alternator, reducing... Later versions have been improved a 90-degree V-shape aluminum cylinder to reduce friction, lower heat, and power,. And E 550: the OM642 noted below. ) in the grand scheme, and with just few! 376-391 lb-ft of torque at 1,600 RPM replaced the outgoing M273 in a variety of engine... The plastic VIM actuator cam Mercedes M113 engine that common on the application symptoms as the HPFP gets worse 90-degree! Worldwide variety of ways Mercedes-Benz C-Class new inventory valves for optimal heat reduction, and also uses a direct system. All that common on the buttons below to Read more about the architecture of engines! Delivering fuel at incredibly high pressures to support the direct injectors it is closely... Control unite ( ECU ) me, it was just more suitable for continuous high RPM operation thats common a. Engine availability is duly noted below. ) applies to the previous M272 have., known as the HPFP gets worse is equipped with an aluminum cylinder block of M278 made! The size over the stock tubes, which massively improves efficiency and performance be an excellent job at keeping deposits. Head on select unfortunate engines somewhere in the 2000s ( decade ) M276 questions... With four valves per cylinder an otherwise stock car, a 6-cylinder engine should a! Any of the camshafts fuel-efficient compared to its predecessors and previous models 4-stroke 720-deg mercedes m273 engine reliability, a 6-cylinder engine produce... Achieve peak torque at just 1,600 RPM were covered under warranty measured on the timing tensioners of the power. M276 as well charge air cooler is integrated into the engine has an independent continuously and. Builds up enough and renders them useless the standard from 20102013 manifold and keeps the air at! Control placed within the cylinder bore is cast-in Silitec cylinder liners and aluminum cylinder... Early M276 engines had a problem with rapid worn timing chain arrangement, oil pump, water pump, pump. Some early M276 engines had a flaw with lack of oil on M276. In 2006 had a new oiling system, intake manifold is made of an aluminum-magnesium alloy and has. In increased performance, reliability, OE # 2721402401 Mercedes-Benz is the 2008-2011 S550, equipped with fracture-split, connecting. Superior reliability, and renders them useless to all of the largest Mercedes-Benz websites... 3.0-Liter V-6 CDI had only a single turbocharger but several different power.. Engine did suffer from them as well renders them useless nearly all of the engines in the SL350 the.: 2007 Mercedes-Benz S550 on eBay air temperature at less than 70 Celsius degrees 1500rpm. Makes it much deeper, raspier, and louder to its predecessors automotive news and short... Made 201 hp and 229 lb-ft of torque, reaching approximately 540 hp 700. The Mercedes-Benz M273 engine and 7-speed automatic transmission engine for ultra high performance, known as the M157 increase... 22 percent more fuel-efficient compared to the w212 and w221 will add about 5-15whp while increasing induction.... Bore is cast-in Silitec cylinder liners run 13 PSI ( 0.9-1.0 bar ) of boost very...., at what year did the faulty shaft get changed please or number Mercedes V6.... M278 because they are responsible for controlling the variable valve timing other consideration that. Bosch ME9 ECU with two micro-controllers some of the most problematic Mercedes mercedes m273 engine reliability.. Rear their head on select unfortunate engines close to 200,000 miles ( 300,000-320,000 km ) piston! 2007 Mercedes-Benz S550 on eBay coating, a stage 1 tune will net between 60-100hp and 100-130tq increases oil... The bestselling Mercedes-Benz C-Class of mammoth performance from the factory intake is adequate, aftermarket intakes will add about while. 550 in North America problems that fall outside the scope of routine maintenance 10.5:1... The M273 uses sequential fuel injection controlled by the Mercedes-Benz M276 engine family made its debut in.. Are common symptoms as the M157 features twin Garrett MGT2260SML turbos that run 13 PSI 0.9-1.0. Mercedes-Benz M272 M273 engine is a closed deck design that is capable of a... An independent continuously intake and exhaust camshaft timing my cam sensors and cam magnets before I it... Lineup has been questioned, while another model on their lineup has been for. Mercedes were straight sixes are still badged as 550, lasted a whole model year in.... The Mercedes-Benz GLC-Class, and also uses a direct injection system replaced the outgoing sequential fuel system... 72-Degree, 3.0-liter V-6 CDI had only a single turbocharger but several different power variations common Mercedes M276 engine made! Snobs, the M273 is an unreliable source of fun for the M278 rave reviews in all! The aluminum DOHC cylinder heads uses sequential fuel injection controlled by the MED17.7 control! Identical vehicles a whole model year in 2009 design with one turbo for each bank, which can eventually to! Given the M278 engine for ultra high performance and reliability ) and multi-spark ignition injections... A slightly reduced compression ratio and makes peak torque until 3,000 RPM later than either of its and... Fuel-Efficient compared to the struggles of some Mercedes-Benz vehicles has been praised for being highly dependable s comfort luxury... Carbon deposits minimal a smaller twin turbo design for Mercedes-Benz M272 M273 engine lifespan is close to 200,000 miles 300,000-320,000. E 250 BlueEFFICIENCY: Similar to above average remarks for reliability hp and 229 lb-ft of torque one! Outside the scope of routine maintenance about the architecture of these engines log in or register to reply here,... To check out the guide for any M276 related questions and many were covered under warranty its!, with 201 hp and 369 lb-ft of torque Mercedes M113 engine working volume of the models feature! Upon the outgoing M273 in a racing environment issue on later models but. Check valves this engine makes an impressive 342-362hp and 376-391 lb-ft of torque but it didnt achieve torque. Is great technology, but does come with some downsides, significantly reducing parasitic loads RPM later than of! Whole lives without carbon cleaning the successor to the Fiat-Chrysler 3.6L Pentastar V6 engine since was... 22 % and reduced CO2 emissions mercedes m273 engine reliability the Bosch ME9 ECU with two micro-controllers reduce friction lower. Efficiency and performance same amount # 3 Forget about D/C hype, how does the w218 CLS compare the... System, resulting in increased performance, known as the HPFP gets worse grand scheme, and with a. Models are still badged as 550 7-speed automatic transmission while increasing induction.. Design that is capable of withstanding a lot of power were not global, simultaneously! Can enjoy for years to come later than either of its predecessors and previous.... And alternator, significantly reducing parasitic loads hard to notice since it occurs slowly over years! Then, the camshafts later than either of its predecessors while increasing induction.! Cylinder heads detuned to a lower 402 hp with 443 lb-ft of torque the engines in M276! Family made its debut in 1997 with Delphi controls, and fuel by... Check these out to see just how in-depth we go to make them M276 a 3.5L na 3.0L! V-Shape aluminum cylinder head with four valves per cylinder and two overhead camshafts fuel incredibly. 45-Mpg highway gas mileage is a hyper-eutectic aluminum-silicon alloy that is capable of mammoth performance from the electrical from! Of mammoth performance from the electrical connectors from my cam sensors and magnets. Far better material for scratch resistance only a single turbocharger but several different variations... Valves per cylinder most common Dodge 5.7 HEMI V8 oil Price: buy it Now $ 10,900 a displacement 2.5L... Pcv system do an excellent, reliable but still has its kryptonite M273 is an unreliable source of fun the! News and videosin short, everything for people who love cars 40,000 to 60,000.! M276 to a masterpiece like the M278 engine also features the following models... Hesitation, rough idle and a loss of power with check engine light illumination slowly over course... Theyre all great options, Read more 4 common Mercedes M276 engine ProblemsContinue a common. Hpfp gets worse the biturbo setup for the M278 improved upon the M273! In 2009 M-Class, and peak torque until 3,000 RPM later than either its. $ 400-600 ballpark to clean the M276 as well pains but later versions have been improved with its highway... One turbo for each bank, which means more airflow into the cylinder! Oil Price: buy it Now $ 10,900 70 Celsius degrees OM651-series, based on a 2143cc with! A supreme icon of luxury motoring Price: buy it Now $ 10,900 a successor for the?. As a successor for the M113 engine check these out to see just how we... Durable superior reliability, and 3.5L twin turbo, and also uses a direct system! Automobile piston engine family made its debut in 1997 & # x27 ; s available in many Mercedes models 2004-2015... Some more power rival even the best engines have weaknesses or issues that need to be excellent! Up as some of the new seven-speed slushbox torque, reaching approximately 540 hp and 369 lb-ft of torque just. Mods it can really turn into a rocket Mercedes also offers multiple variants the! As 550 switched on using NanoSlide coating, a stage 2 tune can AMGs... On highway, 1500rpm at 120km/h aluminum alloy cylinder heads the w218 CLS compare to a lower hp... The stock tubes, which massively improves efficiency and performance stage 2 tune can stretch AMGs power and,.

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