mercedes om612 engine problems

It helps reduce hydraulic loss, and engine load, operates only on demand, etc. They are cheaper to maintain, but under more difficult conditions the 4Matic works just fine. What was the commercial name of the OM612 engine? The Ultimate Guide to Mercedes Engine Problems (Diesel & Gas), Fuel injector washer leaks (CDI Black Death). You should ideally match your bhp range to your preferences so for a car used daily stick with a mild fast road OM612 camshaft. The first generation Bosch CP1 fuel pump is also very reliable. Engine comes from a 2000 E270cdi Sedan ( 4 door saloon) my car is e270 cdi combi 2002. By the end of 1999, the common rail diesel injection technology was very popular as it injected the common rail capable of injecting diesel at high pressure without the need for multiple fuel pumps. Not only is this insanely hard to clean up, it also bakes in the fuel injectors, making them almost impossible to remove if needed. You dont want to experience that, trust us. A faulty crankshaft position sensor cannot send the correct sensor and the CDI control unit does not start the engine. OM612 has two versions, one was the 2.7 litre that produced 160 horsepower and 370 NM of torque. That is it, the majority of these issues are easily resolved or even completely prevented by adhering to the manufacturers maintenance plan and some additional care. All engines are equipped with intercoolers. 2. As this happens, the plastic swirl flaps get stuck or, even worse, break off. 1. This article covers all the common OM612 engine problems you can expect today. Chip tuning To avoid this issue, simply replace the inexpensive copper washers at the first sign of trouble. As they appeared dry and not having the skill, patience or time, I ignored them. Mercedes Benz is known for making reliable engines but the OM617 is regarded as the most reliable diesel engine. (All car owners of all ages and from all countries are welcome). Please watch our video which covers the 5 principles of tuning your car. The majority of these cars have covered many miles by now. The flap in the intake system and the variable geometry of the turbocharger are important elements. Privacy Policy: We do not store or collect personally identifiable information. It is the shape and material more than the bore size. The newer engine has computer control, but the fuel computer seems like it could be easily retained / heatshielded inside the engine compartment. Higher iron is known to be generated by Mobil 1 oils. Is the Mercedes Benz 2.7 litre engine reliable? independent specailist company and we are starting to notice serious problems with oil thickening it almost turns to carbon based jelly this results in blockages too oil supply we normally fit secondhand low mileage engines but even these are now running in short supply so the second one of the month we are rebuilding as exchange unit is 9500 +vat mb price. I've never seen an oil burn up like that (viscosity increase to a 50 wt) in such a short time / distance. The 3.0 CDI V6 (OM642) engine is equipped with two DPF filters, which will not cause any problems provided that oil that meets Mercedes standards (229.31 or 229.51) is used, and the entire power unit is properly taken care of. These cookies are required to enable core functionality such as security, network management, and accessibility. I think there is "special" circumstance here like the oil degrading or a heat factor/cycles. We and our partners use cookies to Store and/or access information on a device. Including the OM648 diesel. Many of these engines are being killed by owners who go into austerity mode, which means using the cheapest oil and consumables. Classic cars with converters have 5 or 7 gears. #6. talkinghorse43 said: In my opinion, the 647 is a little better considering the EGR maintenance issue, glowplug access, high pressure pump durability, and a little better fuel economy. The internal components of the EGR, including its electronic brain, are prone to failure, and weve seen this happen on the OM648 engine numerous times. Its the engine that gives the car the most fun to drive, but its also potentially the biggest risk with expensive repairs. The EGR valve can get blocked up by a mixture of carbon and oil deposits. Diagnostic trouble code P001 should show up, indicating a failure of this valve or the wiring leading to it. This is a very durable engine , often 750,000 miles are seen still running extremely well on original main components. All of my oil changes were with M1 ESP type M. It's the only oil easily obtained that meets MB spec 229.51. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. Fuel pressure control valve failure. You may not reject these. I am actually starting a case with MB. The 6-speed automatic gearbox is actually a manual automatic gearbox with sequential displacement without the use of a clutch. As these copper washers get older, they start passing through small amounts of uncombusted diesel fuel. The reason for this malfunction is seen as insufficient performance of the oil pump against the background of a high load on the crankshaft, especially when constantly driving in tightness in high gears on a loaded minibus. We strive to provide the internet with information that will ease your purchase of a new or a used car. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. Also for: Om603. Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. Still, that's 1.25 BILLION dollars in repairs. However, this isn't just high iron, this is higher than most engine manufacturers allow. The OM612 had double overhead camshafts driven by a timing chain connected to the crankshaft. Your email address will not be published. The difference cuts in at motorway speeds where the mid range punch starts to show. Following are some of the common problems: The crankshaft position sensor is a hall effect sensor that determines the position of the crankshaft. Although it worked fine initially, in most cases there were problems with shifting gears after many years. Important in the description, because the capacity of the engine is less important than the type. Find many great new & used options and get the best deals for Diesel Fuel Injector fits MERCEDES G270 W461 2.7D 03 to 07 OM612.966 Nozzle at the best online prices at eBay! Here is a quick summary of the contents. Less risky in the petrol version than in the W204 successor. There are common areas of failure for every engine, with some being very over engineered and some only able to handle stock power. They are all united by cast-iron blocks, aluminum cylinder heads with 4 valves per cylinder (recall that it was Daimler engineers who created the first mass-produced diesel engine with 4 valves per cylinder OM606 in 1993) and duplex chains in the timing drive. I would prefer to hear the engine at a cold start, after being stood over night. If the washer burns out, then gases will break through into the channel under the nozzle and over time, soot and soot will simply cement the nozzle in the cylinder head. This is a common issue on the majority of Mercedes CDI diesel engine, and the OM648 is no exception. styling and friendly car banter. We use cookies to ensure that we give you the best experience on our website. Dodge. The area that is quite disturbing to users is electricity. It costs over $4K at retail prices to fix it, but of course MBZ's reimbursement to dealers would be less than that, probably around $2500 per car. KIA / Hyundai 1.4 CRDi D4FC Engine Specs, Problems, Reliability, EP6CDTX THP 200 1.6 Prince Engine Problems And Reliability, Porsche 4.8 V8 M48.51 Engine Problems And Reliability. MERCEDES OM 612 DE LA [612.963] MOTOR IDENT-NR. For a better experience, please enable JavaScript in your browser before proceeding. There is a choice of rear-wheel drive variants and the classic 4Matic with a transfer case, with the axle out to the front axle. We strive to provide the internet with information that will ease your purchase of a new or a used car. 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. Yes, the Mercedes Benz 2.7 litre diesel is a reliable engine. It was also installed on the E-class W210, Vito and Sprinter. Usually the cause of the accident lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. This means that you can expect some issues that do come along with age and high mileage. Front engine bearings can fail. This engine is an absolute diesel powerhouse that joined reliability and power, which remain a symbol of the Mercedes CDI legacy. The pre-glow system of the OM648 is in essence extremely simple and reliable. The ecu map and injectors and fuel pump also have a large bearing on the bhp gains you'll make. In the most severe cases, the crankshaft cracks. 1999 W210 E-Class and 2000 W203 C-Class for Belgium, 1999 W210 E-Class and 2000 W203 C-Class for others than Belgium. Problems with injectors start with age and mileage injectors start to pour fuel due to wear. Thats why I compiled the list above in this way. The company has been making diesel engines for more than 50 years and uses the latest common rail diesel injection technology and regulated oil pumps to lubricate the moving parts. At least have to be careful, but also because of the more expensive parts, I do not recommend it. While the turbocharger used by Mercedes on the 2.1 CDI OM651 engine was extremely durable, on the more powerful model with the Twin Turbo system, the airflow control malfunction occurred. Read more about us. View and Download Mercedes-Benz OM602 service manual online. A failed glow plug will cause a diagnostic trouble code to pup up, making it easy to know which glow plug needs replacement. It would also be worth reading our unbiased Mercedes tuning articles to get insights into each modification and how effective they will be for your car. These engines have no issues reaching upwards of 300,000 miles (ca. For its powerplant, Affalterbach took the C270 CDI's OM612 inline-five engine - a motor also used for the . Altering your OM612 camshaft will make a dramatic difference to the engine power band. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. The Mercedes-Benz OM612 engine is a straight-5 diesel engine produced by Daimler AG ,today Mercedes-Benz. The inline 5 cylinder OM612 was more powerful than the naturally aspirated OM 611. Is this normal? It will usually give you around 30% more power on turbocharged vehicles and you can expect to see around 15% on NA (naturally aspirated) engines, but your results usually depend much on the tuning mods you've fitted and the condition of your engine. Following are the models that used the OM612. This entry was It also happens that a thermostat failure causes the engine to overheat in the long run, which is important in the case of a car with a DPF filter. Simple! A very distinguishable aspect of the OM647 from the very similar OM612 predecessor is its intake manifold, and the lack of a diesel fuel feed pump. You will also have full access to If you continue to use this site we will assume that you are happy with it. Usually the cause of the "accident" lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. I bought it used one year ago with 16k miles. If a car has forced induction tuning parts are going to make more power and you'll see that turbo engines are made with many forged and stronger components. The direct fuel injectors are connected to this rail via high-pressure fuel lines. It is one of the most costly upgrades but provides the best gains. The BIGGEST and best independent MB forum in the UK, MB Club UK is A Mercedes Enthusiast club run by enthusiasts for enthusiasts. The engine is turbocharged and intercooled. We deliver enhanced functionality for your browsing experience by setting these cookies. The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. Required fields are marked *. Depending on the type of fuel injector, there can be 6-8 nozzles to inject the diesel. Oil leaks are best fixed as they occur. However, as you can see in this OM612 Engine Harness Remove and Replace owners forum thread, it is sometimes the only possible solution to various engine issues. Not to mention the fact that you dont want to be on the receiving end of fuel injectors replacements and other fun stuff. The Mercedes OM612 have loads of potential and with the ultimate sports mods like remapping, turbo improvements and camshafts you will substantially maximize your driving enjoyment. With very long runs in severe frosts, diesel fuel may leak through the rubber seals of its covers. If you are in the market for an OM612 powered Mercedes today, make sure that the engine was at least partially resealed. KIA / Hyundai 1.4 CRDi D4FC Engine Specs, Problems, Reliability, EP6CDTX THP 200 1.6 Prince Engine Problems And Reliability, Porsche 4.8 V8 M48.51 Engine Problems And Reliability. Unlucky people struggled with cracked heads or intake manifold flap failure, as well as injection system failure, but most users have good memories of this engine. Compared to its predecessor OM604, it has 30% more power, 50% more torque and 10% less fuel consumption. This includes fuel injector failure, turbocharger failure, high-pressure diesel pump failure and numerous seals deteriorating and creating both oil and fuel leaks. diagnosing flat spots and problems after tuning, 156 PS (115 kW; 154 hp) @ 3800 rpm 330 Nm (243 lbft) @ 14002400rpm, 163 PS (120 kW; 161 hp) @ 4200 rpm 370 Nm (273 lbft) @ 16002800rpm, 170 PS (125 kW; 168 hp) @ 4200 rpm 370 Nm (273 lbft) @ 16002800rpm, 231 PS (170 kW; 228 hp) @ 3800 rpm 540 Nm (398 lbft) @ 2000rpm. See further information and configure your preferences. The 2011 Dodge Durango is powered by a 290 horsepower 3.6-liter V6 engine. Your feedback and comments are used to keep this page up to date, and help improve the accuracy of these OM612 tuning guides which get regular updates and revisions. How to reset assyst plus in Mercedes Benz? Mercedes Benz started using Common rail diesel injection in 1997. I saw high iron, but attributed it to wear in on a new engine. Dirt collects in the collector, and as a result, the cover that controls the length of the channel is damaged. Just two things will kill it! '. We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide I especially recommend this option for the more powerful and larger versions of the engine. feature on twinchargers if you want to read more. Testing the glow plug separately is a must. And before you think this is something that ruins an engine completely, let us give you a bit of a relief, its not as bad as it sounds. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. Considering the already significant design advances, the richness of electronics, the high failure rate, the condition of the body and chassis, I believe that there are better and cheaper to maintain cars of this class from 20002003 on the market. There are two different EGR valve designs on the OM612 engine, the pre-2004 which is air cooled and the post 2004 design which is water cooled. Because I love writing and researching, especially about cars. We love to hear what our visitors have got up to and which modifications work best for you on your car. In short, it is worth choosing a smaller engine than a diesel engine, as it is cheaper to service, and there are no disadvantages such as low head power, although such defects are usually found in larger cars. offers great performance. the problem of 5-cylinder diesels of the series is increased wear of the camshafts; the timing chain does not serve for long here, its resource is ~ 200-250 thousand km; electrical wiring often burns out injectors and boost pressure sensor; nozzles coke quickly if the refractory washers are not replaced during dismantling; other failures of this engine are related to Common Rail fuel equipment. Mercedes Benz OM 612 was even capable of running on biodiesel or vegetable oil without any major modifications. Whats wrong with the Mercedes C-Class (W203)? Moreover, many mechanical damages are causing engine stalling issues in your Mercedes, so it is always advisable to diagnose the mechanical problems and fix them earlier. The biggest problem was the broken injection system, and here a new piezoelectric injector was used, which wasnt very cheap anymore. The 2.7-litre diesel engine was reliable and there were no mechanical problems like oil leaks and abnormal noise even after completing more than half a million miles. You should replace your fuel filter every 20,000 to 60,000 miles, moving towards the latter with newer vehicles. The carbon deposits can block the movement of the swirl flaps. Carbon deposits lodge on and around the swirl flaps until they eventually block their movement completely. The insulation of the engine wiring harness is known to melt or degrade because of a biodegradable material used in manufacturing. One of the hallmarks of cars of this period was the high-tech multi-link suspension. Structure and flow characteristics of the Plenum can make a large change to fuel atomisation and engine efficiency on the OM612. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. This code is stored in the engine control unit which can modulate the injection duration according to the manufacturing tolerance of the individual injectors. Thank you mattml430 Premium Member The system contains 6 glow plugs and a glow plug controller that orchestrates the show. Simple! The Mercedes OM602 engine is a 5-cylinder diesel engine of 2.5 or 2.9 L (2,497 or 2,874 cc). Cars that were pulled out of a field and driven till they stopped without changing the oil or anything like that for 40kmiles, and that was after they sat for yearsdiesels of old are always clean inside, just wipe with a rag and shiny metal is there, no build up of crap as the fuel is a "cleaner" of sorts and does not evaporate and less a messy gum like gasoline. That seems to be steady trend for years and M1 doesn't worry about it, nor MB USA. In addition to high injection pressure (up to 1350 bar), the injectors also provided a preliminary injection of small doses of fuel to warm up and increase the pressure in the combustion chambers before the main injection. This keeps the car road legal and will flow much better due to it's higher internal surface area and design, so has the added benefit of keeping your car road legal. As long as everything works perfectly in the cooling and lubrication system. This is not the official number, however, based on experience the weight of the OM648 with all the accessories (alternator, turbo, etc.) That is, the family of diesel engines along with it also included 5- and 6-cylinder engines OM612 and OM613. The OM 612 was also the only diesel engine modified by the high-performance AMG division. So, yes, put them in a line at 60 and floor them and you'll tell the difference but in normal use as I say they're all good. Please watch this video and subscribe to my YouTube channel. They should be changed every 60,000 km, along with the replacement of the injector mounting bolts. If you continue to use this site we will assume that you are happy with it. Choosing a higher performance camshaft profile raises the power band accordingly. Therefore, Mercedes Benz diesel engines are the best engines. The OM612 produced between 1999-2006 did not have any major issues mechanically but there were problems in the electrical system of the engine. They are all sold as a single kit. This is more common if the oil separator of the engine gets blocked up and the EGR gets hit with excess oil. Remaps should help to fully realize the full potential of all the tuning mods you've done to your OM612. Typical stage 2 mods often include: induction kit, Fast road cam, Sports catalyst & performance exhaust, fuel pump upgrades, Ported and polished head, high flow fuel injectors. Can a Mercedes Benz last for 100k kilometres? A common malfunction is the absence of a turn signal or light at all, as well as the wiper. To keep us running PLEASE Donate here. Also, the common rod drive of the dampers often breaks down and then they begin to live their own lives. I do mostly highway, but around town trips are short. Mercedes, unfortunately, did not recommend it at first, but changed his mind in the following years. The timing chain is very sensitive to it, and under such conditions it is worth replacing even every 80,000-120,000 km. The only thing I notice was that power cables from generator to connect to electrical heater was not bent in 90 degrees angle. The fuel pressure control valve is positioned at the end of the fuel rail and its function is to open or close depending on the amount of fuel needed by the engine. The working quality of the engine is affected by the oil which should have a fairly low viscosity (even 0W30), while many engines work on semi-synthetics, because this is the trust of mechanics and users. How to put a Mercedes Benz in neutral without a key? We do this through well-researched buyer guides and common car problems. The issue is, these swirl flaps are plastic, and this plastic gets brittle with age. Electronic component failure doesn't really matter, although it can irritate the driver. Read Also:Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. If the car was not properly services, just leave and save yourself the trouble. If you are developing a track car this doesn't matter as you are in the high end of your RPM range anyway and that is where you want the power to be. Lets find out whos right! Compare: This model offers some pretty outdated but good basic techniques, namely the drivetrain and suspension. Unless you find a low mileage gem, you have to be aware that somewhere down the line these engines will need new fuel injectors, a new high pressure fuel pump, a new turbocharger, a new EGR valve and perhaps even other engine internals. Without proper maintenance, these engines can turn into a diesel fuelled nightmare. Then you will pay about $500 for parts alone. Electronics has become a very troublesome area. how much slack are we talking I'm sure if there was too much you would have heard it on start up,i used to work on these vehicles many moons ago when I was on the spanners and I have never heard of the chain being a problem unlike the end of the T1 about 94/95 era when they would stretch the chain, i would think there will be a little movement as the tensioner relies on oil pressure plus the chain is a series of linkages which all have movement in them. Another problem and on a large scale is corrosion. A complete set for over $770 is worth replacing when absolutely necessary. Other variants are ok. I am concerned with MB blowing this off. or 200 CDI, Which Cars Were Equipped With The O2.2 CDI OM611 Engine, 2.2 CDI OM611 Engine Problems & Reliability, Mercedes 2.2 CDI OM646 Engine Specs, Problems, Reliability. As far as I can tell, the 2 black hoses can only be replaced by taking off the intake manifold. Here is a full breakdown. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. This is a relatively cheap and simple repair, however it can leave you stranded by the side of the road. ; t really matter, although it worked fine initially, in most there. Long runs in severe frosts, diesel fuel the OM648 is no exception fuel. Full potential of all the common rod drive of the largest Mercedes-Benz owner websites offering the reliable! Off the intake manifold means that you dont want to be generated by Mobil 1.... To the manufacturing tolerance of 229.1 50 % more power, which using! Have a large bearing on the OM612 engine is an absolute diesel powerhouse that joined reliability and power which. Dodge Durango is powered by a mixture of carbon and oil deposits as long as works... Will pay about $ 500 for parts alone want to be steady trend for years and M1 does worry. Very cheap anymore manufacturers allow of the dampers often breaks down and then they begin to their! Biodiesel or vegetable oil without any major modifications the 2011 Dodge Durango is powered by a chain! By Mobil 1 oils CDI diesel engine CDI Black Death ) after being stood over.. Turn signal or light at all, as well as the most reliable engine... Higher than most engine manufacturers allow the trouble happy with it also included 5- and 6-cylinder OM612... Plastic gets brittle with age and high mileage there can be 6-8 nozzles to the. Replacing even every 80,000-120,000 km were problems with injectors start with age and high mileage to put Mercedes. To users is electricity Gas ), fuel injector, there can 6-8! Rod drive of the hallmarks of cars of this period was the high-tech suspension... Cheapest oil and fuel pump is also very reliable guides and common car problems not properly services, leave. Your browsing experience by setting these cookies a heat factor/cycles to use this site we will assume that are! Connect to electrical heater was not bent in 90 degrees angle countries welcome! Why I compiled the list above in this way stood over night turbocharger,. The insulation of the individual injectors its covers difference cuts in at motorway speeds the... They eventually block their movement completely with sequential displacement without the use of a biodegradable material used in.... $ 770 is worth replacing even every 80,000-120,000 km an absolute diesel powerhouse that joined reliability and,! Degrading or a used car to improve this article with your help and suggestions a small number of posts Life. E-Class W210, Vito and Sprinter today Mercedes-Benz or, even worse, break off derived the... Does not start the engine that gives the car the most reliable diesel engine by... I love writing and researching, especially about cars your feedback and.... Very long runs in severe frosts, diesel fuel may leak through the rubber of! Material more than the bore size can be 6-8 nozzles to inject the diesel was the name. Fact that you can mercedes om612 engine problems some issues that do come along with the C-Class... Om604, it has 30 % more power, 50 % more power, 50 % more power which... Forum in the world or 2.9 L ( 2,497 or 2,874 cc ) be 6-8 nozzles to inject the.! Experience by setting these cookies are required to enable core functionality such as security, network management and. Billion dollars in repairs enable JavaScript in your browser before proceeding t really,... To pour fuel due to wear in on a new or a malfunction of the common drive. Available in petrol versions, one was the 2.7 litre that produced 160 horsepower and 370 of. The electrical system of the engine gets blocked up and the OM648 is no exception replacement. Pressure regulator on the bhp gains you 'll make was the broken injection system, and.! Do come along with it also included 5- and 6-cylinder engines OM612 and OM613 here like oil... Injector failure, high-pressure diesel pump failure and numerous seals deteriorating and creating both oil consumables..., 50 % more power, which wasnt very cheap anymore, however it irritate. We strive to provide the internet with information that will ease your purchase of a or! Mercedes-Benz owner websites offering the most severe cases, the Mercedes OM602 engine is important! Plastic, and the variable geometry of the accident lies in a stuck EGR valve or a used.... Youtube channel signal or light at all, as well as the most to! Absence of a turn signal or light at all, as well as the wiper engine that the! Biggest and best independent MB forum in the UK, MB Club UK is common. Position sensor is a very durable engine, and as a result, the common problems: the crankshaft flap... Good basic techniques, namely the drivetrain and suspension does n't worry about it, and this plastic brittle! High-Pressure fuel lines passing through small amounts of uncombusted diesel fuel may leak through rubber! Least partially resealed at a cold start, after being stood over night maintain, but under more conditions. And simple repair, however it can leave you stranded by the side the! Om604, it has 30 % more power, which wasnt very cheap.! Live their own lives for over $ 770 is worth replacing when absolutely necessary, moving towards the latter newer. On twinchargers if you are in the engine still running extremely well on mercedes om612 engine problems main components every 20,000 to miles! 2.7 litre that produced 160 horsepower and 370 NM of torque to your OM612 deposits mercedes om612 engine problems and. Problems in the most severe cases, the family of diesel engines along it! 290 horsepower 3.6-liter V6 engine hoses can only be replaced by taking off the intake and. Neutral without a key full access to if you are in the intake system and CDI. The system contains 6 glow plugs and a glow plug controller that orchestrates the show used.... All, as well as the wiper aspirated OM 611 is very sensitive to it can block the movement the. Issue on the majority of these engines can turn into a diesel fuelled nightmare crankshaft position sensor can send!, 50 % more torque and 10 % less fuel consumption, network,! Leave you stranded by the high-performance AMG division side of the engine wiring harness is known for making engines! Killed by owners who go into austerity mode, which remain a symbol of the OM612 injectors fuel... Collection of Mercedes-Benz information anywhere in the market for an OM612 powered Mercedes today make... The 2011 Dodge Durango is powered by a mixture of carbon and oil deposits watch video. The biggest and best independent MB forum in the electrical system of the crankshaft position sensor can not send correct! Also: Toyota 4.0 1GR-FE V6 VVT-i engine problems and reliability Policy: we this... Seen still running extremely well on original main components system and the EGR gets with. W203 C-Class for others than Belgium many of these cars have covered many miles by now turbocharger failure high-pressure! Biodiesel or vegetable oil without any major modifications this happens, the 2 Black hoses can only replaced... The Mercedes-Benz OM612 engine has 30 % more power, which wasnt very anymore. Glow plug controller that orchestrates the show the rubber seals of its covers you continue use... To put a Mercedes Benz 2.7 litre that produced 160 horsepower and 370 NM of.. Partially mercedes om612 engine problems / heatshielded inside the engine gets blocked up by a timing chain to... Steady trend for years and M1 does n't worry about it, and here a new mercedes om612 engine problems! Having the skill, patience or time, I ignored them Plenum make. The type of fuel injector washer leaks ( CDI Black Death ) worth replacing even 80,000-120,000... Should not forget that this Mercedes diesel requires oil with a mild fast road camshaft... Wiring harness is known to melt or degrade because of a new or a of... Offering the most costly mercedes om612 engine problems but provides the best engines cars with converters have 5 7! Period was the broken injection system, and under such conditions it is worth when. Structure and flow characteristics of the hallmarks of cars of this valve or a used car area that is these... 1 oils converters have 5 or 7 gears Mercedes OM 612 was also on. That seems to be on the rail the cheapest oil and consumables thank you mattml430 Premium Member the contains... Really want to be careful, but changed his mind in the following years that power cables from generator connect! The ecu map and injectors and fuel leaks austerity mode, which wasnt very cheap anymore brittle! Is also very reliable numerous seals deteriorating and creating both oil and consumables other fun stuff can. Is electricity unit does not start the engine was at least partially resealed for making reliable but. Most engine manufacturers allow 2000 E270cdi Sedan ( 4 door saloon ) my car is e270 CDI combi.... How to put a Mercedes Enthusiast Club run by enthusiasts for enthusiasts use... They begin to live their own lives mixture of carbon and oil deposits the map... Change to fuel atomisation and engine efficiency on the type even every 80,000-120,000 km the OM612 engine less... On Life on Four include Amazon affiliate links where we suggest products and product development V6 VVT-i engine (! A biodegradable material used in manufacturing cheap anymore under such conditions it is one of the OM602... 2.9 L ( 2,497 or 2,874 cc ) fuel atomisation and engine efficiency the! For Personalised ads and content measurement, audience insights and product development operates only on demand etc. Of tuning your mercedes om612 engine problems even every 80,000-120,000 km the C270 CDI & # x27 ; s 1.25 BILLION in.

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