The Mercedes-Benz GenuinePart short block is available for selected variants of the OM646 and OM651 engine model series. From the start, the 2.1 CDI OM651 diesel met Euro 5 emission standards. Definitely get the auto box, subject to Mr E's Valeo / glycol warning. Ping us if you have anything cool to share on latest cars or on how to make older cars more efficient, or just want to say hi! Ignoring the issues with the OM651 CDIs more powerful 2.1 CDI diesel version injection system doesnt close the list of shortcomings of the Mercedes engine. The OM646 engine is sold under the 200 CDI and 220 CDI designation and features an electric fuel pump, exhaust gas recirculation, particulate filters,[1] and Euro 4 emission standard compliance (from 2003). 1.8-liter M271 I4 engine - M271.860, M271.861, M271.862, M271.820, M271.860. Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. In addition to the described areas, it is worth paying attention to the drive system. The OM646 engine was chosen because it represents the current state-of-the-art diesel engine technology. 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. The item is your responsibility until it reaches us. Clean your DPF There is also a coupe-style body called the Sportcoupe. Look after it, and it's a good engine capable of many hundreds of thousands of miles. Intake carry the air from the filter and allow it to be pulled into the engine cylinders with fuel for the squish phase. Be sure to keep up with our latest YouTube content and subscribe. If an engine is turbocharged, upgrades are going to net you a larger power gain and most turbocharged engines are built using more solid components. Doing both things is a sure way to experience oil dilution. Mercedes dealers have the . Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. Fun fact: One of the team members behind Lifeonfour.co still runs this engine in his 2008 W204 C-Class with 0 issues at 169,000 miles (ca. In authorized workshops, the scope of work means that service costs can be up to several hundred dollars. Its also not easy to repair, though it costs a lot like a turbo at around $250. Fast road cams are one of the most significant mechanical changes, but they must be installed by someone who knows what they're doing and they are not always easy to source but you might find a local firm to regrind a stock camshaft. Plastic painting tips for car interior and exterior.Read more Tuning the 150bhp Diesel Astra Sport HatchRead more MPG calculator UK miles per Gallon calculate MPGRead more / UK Modifying & Tuning / Car Mods Goodbye, 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. The repair will be difficult and will cost money. As befits a Mercedes comfortable. In vehicles with a soot particle filter (originally not used, appeared on some models from 2003, and later began to be used in large quantities), if the car is used only in the city, there are problems with filter regeneration and oil dilution with oil . Entdecken Sie KATALYSATOR MERCEDES C-KLASSE MK3 (W204) 2007-2014 2148 OM646.811 DPF Kat in der groen Auswahl bei eBay. W204 Engine Codes. It features a reduced compression ratio of 17.5:1, a new turbocharger, Track day insurance cover During 9 years of production, OM651s 2.1 CDI engine was installed on the following models: Although in 2008 the modern Mercedes engine seemed to be the pinnacle of technical possibilities, the first black clouds began gathering overhead just months after the premiere. Nozzles can be repaired. Here we review and look at OM642 tuning and point out the best mods that work. Forcing air into the OM646 engine is the main goal to any performance tuning project. Repair costs around $ 135. It also has the same problem with oil leakage as the M111. We see many tuners spending a loads of money on turbo upgrades on the OM646 only to experience the engine block go up in smoke just after it's completed. We strive to provide the internet with information that will ease your purchase of a new or a used car. Modification: OM611 DE 22 LA red. However, if the con rod damage is ignored or if the car is driven with exceeded maximum load, it isnt uncommon that the crankshaft develops micro cracks. 2 and 3 connecting rods are deformed, liners wear out. There is enough space in the cabin for four adults and the sedans luggage compartment has a modest 455 liters of storage space. Glow plugs will need changing now and then. In addition, a new revised turbocharger and charge air intercooler were installed. However, leaks are not the only problem with the time chain. Where is the number. Less risky in the petrol version than in the W204 successor. Our advertising partners also use cookies. Therefore, Common Rail equipment becomes a problem. 321,869 km) or more. Privacy Policy: We do not store or collect personally identifiable information. If you happen to drive the car to the mileage where you need to replace the timing chain, have no worries. The intake and exhaust durations will alter depending on the chosen camshaft profile, so large engines power gains are on offer for camshaft upgrades. The Mercedes OM646 are good project engines and with a few sensible performance enhancements like a remap, turbo kits and camshafts you will certainly maximize your driving fun. If you would like to know more, or just get some friendly advice on Tuning your OM646 engine please join us in our car forums where you can discuss OM646 tuning options in more detail with our OM646 owners. To keep us running PLEASE Donate here. The OM 646 is additionally equipped with a balance shaft and an electric fuel pump (instead of a mechanical one). On the successor of this engine - OM646 - the booster pump is electric, it fills the filter itself when the ignition is turned on. Also, the cylinder head camshaft drive often wears out. I advise what to choose and what to pay attention to. Motorsport and race cams, boost the top end band but as a result the car will not idle smoothly and low end power nearly always suffers. The OM646 is a turbocharged inline-four engine produced between 2002 and 2010 by Mercedes-Benz. Issues by Complectations or Trim Levels 3.1. Mercedes, unfortunately, did not recommend it at first, but changed his mind in the following years. Also, a broken pipe from the turbine to the intercooler can often be the cause of the malfunction. Another weak area is the intake system. The OM651 is the latest engine fitted to cars badged as 200/220cdi (the latest <W212> E Class), but these have a few more issues compared to the OM646, such as injector issues . Some OM646 engines respond better to more aggressive camshaft durations so view each engine as unique. The single-row control chain is located behind the engine - on the transmission side. Its the engine that gives the car the most fun to drive, but its also potentially the biggest risk with expensive repairs. 2 and 3 connecting rods are deformed, liners wear out. The turbine and floating flywheel rarely manage to cover 150000 km. The average consumption of the Mercedes C-Class with 143HP is about 7 l / 100 km. The OM651 engine was a completely new design that was pre-assembled at Mercedes-Benz's Untertrkheim-Stuttgart plant and completed at MDC Power . Unfortunately, this is also a series of problems, some of which end in . turbocharged inline-four cylinder motor produced between 2002 and 2010. In our experience, a regularly maintained OM646 engine should have no issues reaching 200,000 miles (ca. mercedes m276 engine pdfred gomphrena globosa magical properties 27 februari, 2023 . In comparison, the new Delphi injector costs $ 450. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. In summary, all gasoline engines can be recommended. Your feedback and comments are used to keep this page up to date, and help improve the accuracy of these OM646 tuning guides which get regular updates and revisions. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. The OM611 and OM646 engines are 4 cylinders with a displacement of 2.1 liters, although there is also a 2.2 liter variant, but not on this model. A blocked DPF can cause the turbocharger to fail for many reasons and below we list the three most common causes of a turbo failure following a blocked diesel particulate filter: Increased Exhaust Gas Temperatures (EGT's) Increased Back Pressure. This sometimes lasts several, and sometimes several thousand kilometers. Mercedes engineers worked quite a bit on engine accessories and launched a generation with the designation OM646. It features a reduced compression ratio of 17.5:1, a new turbocharger, and ceramic glow plugs for improved engine starts.[3]. When not working, a power drop occurs. Removing them does not have a considerable impact on the engines behaviour. All this happens after a run of 400,000 kilometers, or in extreme conditions with much less mileage. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. To remove the unit you must first remove the engine covers. In addition, there are 4 flaps in the intake system that control their length and rotation, which makes it possible to remove the EGR valve, but is also an area that can interfere in the event of dirt. Low pressure could be caused by a clogged fuel filter, clogged tank strainer, a pinched pressure line, or a worn out electric fuel pump. 3. Plenty of these engines made it to 200,000 miles (ca. Mechanics agree that Mercedes engines are very durable, and that is also often confirmed by users. As these cars reach high mileage, they can start leaking or causing other problems which results in uneven idling, twitching at startup and more. Download: 36.7 mb, 168 pages The part that deteriorates with time is the membrane of the crankcase ventilation system. Every version of this engine, including the most powerful one with 170 horsepower, is considered extremely reliable when maintained properly. Sorry, in order to post a comment, you must be logged in. So, after the Fiats 1.9 JTD, which we already disassembled, this engine became the second owner of the Bosch Common Rail fuel system. Particularly the chain tensioner. The OM611 engine does not have a high work culture, but is distinguished by acceptable economy and high durability. If the bed was not particularly damaged when the liners were lifted up, then experienced mechanics can still save it. Specifications Of The Mercedes 2.2 CDI OM611 Engine. Other modifications were later introduced. Induction Kits Thank you very much. Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability, 2.0L MultiJet/Ecotec/CDTI/TiD4/Kryotec Engine Specs, Review, History, Kia Hyundai 1.4 MPi (G4FA) Gamma Engine Specs, Review, History. The main differences are the injection pump control (fully electronic on the OM646), the increased fuel injection pressure and the appearance of the balancing shaft. Here are some of the engine codes for the W204: 1.6-liter M274 I4 engine - M274.910, M274.920. Read Also: Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. I4 engine - M274.910, M274.920 experience, a broken pipe from the turbine to the mileage where you to. Is enough space in the W204: 1.6-liter M274 I4 engine - the... 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