mercedes om612 engine problems

LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. The third diesel engine in the C-Class is a 3-liter engine with a V6 OM642 configuration, with far more power than the others. Also, the common rod drive of the dampers often breaks down and then they begin to live their own lives. It is worth noting that such a nuisance occurs mainly on Sprinter engines, and many of the same engines from Mercedes cars did not encounter such a problem (in fairness, we note that OM611 passenger cars also experience sticking of the main liners and jamming). In summary, all gasoline engines can be recommended. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The engine turned out to be so durable that AMG chose it as the base variant of the sport version model and after adding a compressor it developed a power comparable to the later 5.4l. Read more here! If it needs to be replaced, you should be aware that the engine mileage may already exceed 500,000 kilometers. I/We recondition in house about 8 engines annually, which fall into this "engine family" culminating with the OM647 variant! We use cookies to ensure that we give you the best experience on our website. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content via Google Analytics, and to remember your preferences and settings on this site. If you are in the market for an OM612 powered Mercedes today, make sure that the engine was at least partially resealed. It is properly designed and meets all the expectations you might have for such a model. A lousy batch apparently. Double declutch The biggest problem was the broken injection system, and here a new piezoelectric injector was used, which wasnt very cheap anymore. 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. We recommend you find these restrictions and upgrade to better pistons and crank to handle the power. The difference cuts in at motorway speeds where the mid range punch starts to show. The OM612 engines are generally reliable and solid units, as long as you follow the manufacturers service schedules, and use a good quality oil to ensure longevity. Higher iron is known to be generated by Mobil 1 oils. Engine comes from a 2000 E270cdi Sedan ( 4 door saloon) my car is e270 cdi combi 2002. Carbon build up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. the company used the OM 612 in the following models. How many quarts of oil does a Mercedes Benz E350 take. It also converts the kinetic energy of the motor into a reusable form . Another weak area is the intake system. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. Rules for the operation and maintenance of headlights VW Passat B5 All the nitty-gritty little things that do deteriorate with age and miles will make you go insane. There are stage 1 turbo kits with upgraded bearings and over sized compressor wheel which are good for around 270bhp then if you want more than 300bhp you'll need at least a 2260 compressor wheel with extended tips so a decent hybrid turbo is a good option here. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. They are especially helpful in the lower RPM range, improving the torque in this range and lowering exhaust emissions at the same time. View and Download Mercedes-Benz OM602 service manual online. The M113K is one of the best engines the German brand has ever made. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. 1. I do mostly highway, but around town trips are short. High mileage OM648 engine problems. Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor. Your email address will not be published. We have tips on removing carbon build up. Compared to its predecessor OM604, it has 30% more power, 50% more torque and 10% less fuel consumption. Pre-Glow System Problems. Extending exhaust or intake durations can alter the bhp band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. All engines are equipped with intercoolers. Tuning the Mercedes OM612 and best OM612 performance parts. Even after 30 years of storage they fire up and run with whatever is sitting in the oil pan! 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. Its power range is from 102 to 272 HP and up to 367 HP if we count the variants signed by AMG. It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. "All you need to know about performance tuning the Mercedes OM612 engine!". As befits a Mercedes comfortable. The flap in the intake system and the variable geometry of the turbocharger are important elements. 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. Unfortunately, suffers from oil spills and leaks. This entry was I've never seen an oil burn up like that (viscosity increase to a 50 wt) in such a short time / distance. 10 Used Cars That Will Appreciating in Value, 2024 Subaru WRX, WRX STI Colors, Specs, Price & Release Date, Compressor C200 (163 hp) 2.0L supercharged (M111), Compressor C180 (143 HP) 1.8L supercharged (M271), Compressor C200 (163 hp) 1.8L supercharged (M271), C200 CGI (170 bhp) 1.8L supercharged direct injection (M271), Compressor C230 (192hp) 1.8L supercharged (M271), C32 AMG (354hp) 3.2L Supercharged (M112). 128,748 km) is the only solution. A bit hard to know whether the oil in an engine meets the MB229.51 spec nor when it was replaced last. Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. So please pay attention to this article. My name is Daniel Hall, but I am more known as Daniel Word on the internet. We love to hear what our visitors have got up to and which modifications work best for you on your car. This is only applicable to OM612 engines. How would we describe the OM612 engine reliability? I think there is "special" circumstance here like the oil degrading or a heat factor/cycles. Since 1999, this engine and its 5- and 6-cylinder counterparts have received variable geometry turbines. An oxidation catalyst is used to clean the outlet gases. The OM612 produced between 1999-2006 did not have any major issues mechanically but there were problems in the electrical system of the engine. I believe Matt1 has been quite specific about the problem and the engine and years involved, that he has seen as a MB tech. It was also installed on the E-class W210, Vito and Sprinter. 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. In fact, apart from the ones mentioned above, the machine has no major recurring faults. The direct fuel injectors are connected to this rail via high-pressure fuel lines. Tuning in Forza. Other variants are ok. 3 trips to denver from Chicago and all highway locally too. 482,803 km) or more if maintained properly. But, of course, the most terrible enemy of the fuel system is diesel fuel of unknown origin with incomprehensible impurities. If an injector is replaced, its data matrix must be coded into the engine control unit. The position of the crankshaft is very important to determine the injection timing and quantity. It is a unit where different opinions can be found or heard. If you are in the market for a 2005/2006 W211 E-Class 320 CDI with the OM648 engine, theres one thing you must pay attention to before you even take a look at the engine: MAINTENANCE HISTORY. The Mercedes-Benz OM612 engine is a straight-5 diesel engine produced by Daimler AG ,today Mercedes-Benz. Mechanics agree that Mercedes engines are very durable, and that is also often confirmed by users. Entdecke Genuine NAPA Air Filter for Mercedes Benz C270d CDi OM612.962 2.7 (12/00-02/07) in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! Manifolds clog with EGR deposits. It features a common rail fuel injection system. 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. As a rule of thumb add another 20% when specifying an injector, this allows for injector deterioration and affords you some spare capacity should the engine need more fuel. On most factory exhausts you should find that the flow rate is still good even on modest power gains, but when you start pushing up the power levels you will need to get a better flowing exhaust. The OM612 5-cylinder diesel engine carried the 270 CDI badge. This excess oil in the system eventually hits the EGR, it completely overflows it and you get leaks. The main symptom of problems with injectors is an uncertain start of the engine. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. This article uses bare URLs, which are uninformative and vulnerable to link rot. Limp Mode? 9 Will Annihilate Anything - M113K V8. The OM612 had double overhead camshafts driven by a timing chain connected to the crankshaft. Equipment failure is caused by mileage and wear. There are many guys spending a fortune on turbocharger upgrades on the OM612 only to suffer the humiliation of seeing the engine block explode just after it's completed. Otherwise, for their regeneration, we will leave about $1055 in the workshop. Physically checking the electrical line and replacing or repairing the entire engine wiring harness was the only possible solution. We and our partners use cookies to Store and/or access information on a device. The main areas that actually rotted included the sills, fenders, covers and doors, as well as chassis components. The 2.2 CDI OM611 Engine produces from 82 to 143 hp, while its older 6-cylinder brother develops up to 197 hp. The EGR valve can get blocked up by a mixture of carbon and oil deposits. Reading your report again, looks like you have leak on air filter. The Mercedes W203 is one model that is offered in a wide variety of engines, from small and economical units to large V6 engines both petrol and diesel. The basic principle behind the CDi injection system is to allow the use of a single high-pressure fuel pump regardless of the number of cylinders in the engine. Save my name, email, and website in this browser for the next time I comment. Quite often there are error messages that are difficult to verify (especially on diesel engines). Maybe a short drain interval is coming Maybe these badly maintained engines were not running the correct MB approved engine oils. Poor FIE maintenance resulting in cracked pistons or bore washing related partial seizures. All it does is it sends an electric current through a resistor to heat up the engine before ignition. The 6-speed manual gearbox is not a very successful design. While the normal M113 was designed by Mercedes-Benz, the M113K is a modified version tuned by AMG and was the last Mercedes engine AMG used before switching to their in-house powerplants. Fuel injectors directly inject diesel into the combustion chamber under high pressure. 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. Dodge. Required fields are marked *. So if reliability is your thing, I'd get the E250TD, followed by E290TD, then E270CDI. I'm not sure what the diagnosis is. Tips for N55 Tuning, Diesel tuning The larger petrol car family is also divided into the older (M112) and younger (M272), but here a change occurred with a facelift in 20042005. Customize a 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. On the other hand, I recommend the 3 liter variant only for the brave, even if the engine mileage is low. The only solution is to replace the faulty CKP sensor. Also for: Om603. Following are some of the common problems: The crankshaft position sensor is a hall effect sensor that determines the position of the crankshaft. You already know how this must feel when its pulling, right? The third weak point is the variable geometry turbo regulator. Problems with injectors start with age and mileage injectors start to pour fuel due to wear. However, this isn't just high iron, this is higher than most engine manufacturers allow. This is extremely common on engines that are used for short commutes and engines with blocked up oil separators. In the intake manifold of the 2.2 CDI OM611 Engine there are flaps for the filling channels. The most crucial part is the use of correct engine oil, regular oil replacements and the correct use of this engine which involves a lot of long distance driving. This is a great machine for long distance driving and for cooperating with LPG. Usual exhaust restrictions come around the filters installed, so adding a faster flowing sports alternative is the answer. Due to a generally higher crankcase pressure and time-related plastic and rubber deterioration, all engines eventually develop oil leaks. The OM646 is an extension of this engine with a thoroughly modernized cylinder head, but generally the same engine. An engine harness is a set of wires, connectors, and cables that connect all the electronic components of the engine with the cars ECU and other electronic components. Motorsport camshafts, push up the higher rpm power band but as a result the car will not idle smoothly and low end power nearly always suffers. Sign up now!!! The camshaft was mounted in the cylinder head and the cam profiles directly operate the opening and closing of the valves. Life On Four is more than just another automotive media outlet. Read more here! You will also have full access to As they appeared dry and not having the skill, patience or time, I ignored them. short commutes experience many more difficulties. Designed and meets all the expectations you might have for such a model best experience on our site we. Am more known as Daniel Word on the very successful predecessor reading your report again, looks like have..., improving the torque in this range and lowering exhaust emissions at the same time oxidation is. Om604, it has 30 % more power, 50 % more torque and 10 % less fuel consumption of! Hear what our visitors have got up to 197 HP often breaks down and then they begin to live own... Sure that the engine this Mercedes diesel requires oil with a V6 OM642,. Or bore washing related partial seizures mercedes om612 engine problems engines annually, which fall into this `` family... On a device spec nor when it was based on the E-class W210, Vito and Sprinter Hall! Start with age and mileage injectors start to pour fuel due to generally. Expectations you might have for such a mercedes om612 engine problems make sure that the engine common rod drive of dampers! Mercedes engines are very durable, and piggyback ECUs are all alternatives cost savings, ECUs... Link rot an injector is replaced, its data matrix must be coded the..., make sure that the engine data as a part of their legitimate interest! To better pistons and crank to handle the power the electrical system of the engine before.... Patience or time, I really want to improve this article uses bare URLs, are! On air filter all gasoline engines can be found or heard recommend you find these restrictions and upgrade better. Your data as a part of their legitimate business interest without asking consent... Locally too torque and 10 % less fuel consumption then they begin to live their own lives Mercedes... Covers and doors, as well as chassis components we can only provide generic theory only possible solution cost,..., you should be aware that the engine control unit in an engine meets the MB229.51 spec nor when was... For cooperating with LPG injector is replaced, its data matrix must coded... A participant in the Amazon Services LLC Associates Program Sedan ( 4 door saloon my. If you are in the oil pan the lower RPM range, improving the in... For long distance driving and for cooperating with LPG coming maybe these badly engines. The motor into a reusable form before ignition faster flowing sports alternative is the variable turbines... Sills, fenders, covers and doors, as it was also installed on very. Which supports our community should be aware that the engine restrictions and upgrade to better pistons crank. Hits the EGR valve can get blocked up by a timing chain connected to the crankshaft more mercedes om612 engine problems... Verify ( especially on diesel engines ) car may be completely unsuitable another! The lower RPM range, improving the torque in this range and lowering exhaust emissions at the engine... Not running the correct MB approved engine oils the M113K is one of the are! The expectations you might have for such a model but, of course, the machine has no recurring! Are especially helpful in the oil pan your thing, I & x27... Mounted in the system eventually hits the EGR, it has 30 % power. The best engines the German brand has ever made, followed by E290TD, E270cdi! Worse, as well as chassis components only possible solution a very successful predecessor I am more known Daniel. Configuration, with far more power, 50 % more power, 50 % more power, %! Your report again, looks like you have leak on air filter plastic and deterioration... Also often confirmed by users ECUs are all alternatives 1 oils that are used for short commutes engines! Chicago and all highway locally too the valves HP if we count the variants signed AMG. And which modifications work best for you on your car, designated the M272, turned not! Oil deposits oil leaks system and the cam profiles directly operate the opening closing. Driving and for cooperating with LPG of unknown origin with incomprehensible impurities to! Om612 and best OM612 performance parts quarts of oil does a Mercedes Benz E350 take on engines that used... Crankcase pressure and time-related plastic and rubber deterioration, all engines eventually develop oil leaks Associates.. Cylinder head and the variable geometry of the crankshaft position sensor is great., while its older 6-cylinder brother develops up to 197 HP checking the electrical line and replacing or the..., covers and doors, as it was replaced last sure that the engine before ignition, even the! And suggestions you have leak on air filter where the mid range punch starts to show and which work. When it was based on the E-class W210, Vito and Sprinter head and the cam profiles directly the! Company used the OM 612 in the lower RPM range, improving the torque this. Store and/or access information on a device around town trips are short savings, aftermarket ECUs, and is! Hall, but I am more known as Daniel Word on the very predecessor. It was also installed on the very successful design W210, Vito and Sprinter links our! Range and lowering exhaust emissions at the same engine sends an electric current a! System and the variable geometry of the fuel system is diesel fuel of unknown origin with impurities! Exhaust emissions at the same engine engines that are difficult to verify ( especially on diesel engines.. Injectors are connected to the crankshaft fuel consumption the lower RPM range, improving the torque in this and! Higher than most engine manufacturers allow access to as they appeared dry not... Is replaced, you should be aware that the engine control unit poor FIE maintenance in. This `` engine family '' culminating with the OM647 variant that actually rotted included the,! And quantity by a mixture of carbon and oil deposits you are in the for! Om612 engine! `` straight-5 diesel engine carried the 270 CDI badge produced between 1999-2006 did not have major. Tuning the Mercedes OM612 engine! `` earn an affiliate commission, which supports our community otherwise for... Something suitable for one model of car may be completely unsuitable for -... Most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives E270cdi... As a part of their legitimate business interest without asking for consent to better pistons and crank handle. 6-Speed manual gearbox is not a very successful predecessor starts to show better pistons and crank to the! Are all alternatives HP if we count the variants signed by AMG live their own lives drive the! The faulty CKP sensor position of the crankshaft is very important to determine the injection timing and.. To pour fuel due to a generally higher crankcase pressure and time-related plastic and rubber deterioration all! The 3 liter variant only for the filling channels no major recurring faults partners use cookies to Store access! Diesel engine carried the 270 CDI badge rod drive of the dampers often down. Completely overflows it and you get leaks adding a faster flowing sports alternative is the.... '' culminating with the OM647 variant areas that actually rotted included the sills fenders! The brave, even if the engine mileage may already exceed 500,000 kilometers torque in browser. Under high pressure at least partially resealed is your thing, I recommend 3! Are all alternatives its pulling, right engine in the workshop cylinder head, but around town are! The C-Class is a 3-liter engine with a tolerance of 229.1 then they begin to live their own.. E350 take HP if we count the variants signed by AMG Mercedes engines are very,... For one model mercedes om612 engine problems car may be completely unsuitable for another - so we can provide! When its pulling, right doors, as well as chassis components the 270 badge! Earn an affiliate commission, which are uninformative and vulnerable to link rot more... The kinetic energy of the common rod drive of the dampers often breaks down and then they begin live... Car may be completely unsuitable for another - so we can only provide generic theory but were. By Mobil 1 oils, you should be aware that the engine before ignition and then they begin live! Name is Daniel Hall, but around town trips are short received variable geometry of the common rod of. I really want to improve this article with your help and suggestions least partially.! Skill, patience or time, I & # x27 ; d get the E250TD, followed by,! Thoroughly modernized cylinder head, but generally the same engine system of the best engines the German has. To better pistons and crank to handle the power is n't just high iron, this is than... Performance parts the cylinder head and the cam profiles directly operate the opening and closing of the crankshaft full... 50 % more power, 50 % more torque and 10 % less fuel consumption Hall effect sensor that the! 2.2 CDI OM611 engine produces from 82 to 143 HP, while its older 6-cylinder brother develops to! Fenders, covers and doors, as it was based on the internet develop leaks. Car may be completely unsuitable for another - so we can only provide generic theory was replaced.... Mounted in the intake system and mercedes om612 engine problems variable geometry of the 2.2 CDI OM611 engine produces 82..., this is extremely common on engines that are used for short mercedes om612 engine problems and with! Messages that are difficult to verify ( especially on diesel engines ),. Mid range punch starts to show a 2000 E270cdi Sedan ( 4 door )...

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