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. Browse our daily deals for even more savings! Their pistons are exactly the same. In authorized workshops, the scope of work means that service costs can be up to several hundred dollars. Nozzles break down about 50.000 km. Where did the application come from? document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). The biggest advantage of the 2.1L engine is its popularity. 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. Problems with the throttle and pneumothorax are also typical. Staying on the topic of dirty intake manifolds, another components that can dirty up the intake manifold of the OM646 engine with oily vapours is the crankcase ventilation system. Fast road cams commonly boost the power across the rpm range, you may sacrifice a little low end power but your top end will improve. Save my name, email, and website in this browser for the next time I comment. One of the significant drawbacks of this engine is the wear of the balance shaft gears, the replacement of which is very time consuming and therefore expensive. and ceramic glow plugs for improved engine starts. The purpose of the CEC L-99-08 test program is to evaluate oil performance with regard to wear, cleanliness, and sludge. Normal current draw is 6-9 amps. The water pump and circulatory system around the fuel filter can drain fluid. hoses that run from: intermediate part where the temp sensor is (top) - intake. 2.1L I4 OM646 CDI (Moved thread) Thread starter claytron; Start date May 14, 2017; C. claytron New member. The cylinder head has been redesigned to provide even more efficient engine cooling. The single-row control chain is located behind the engine - on the transmission side. Download: 36.7 mb, 168 pages
Get the best deal for Engine Rocker & Valve Covers for Edsel Citation from the largest online selection at eBay.com.my. Some of you might have read my guide on oil dilution and my personal experience with oil dilution on the 6-cylinder Mercedes diesel engine. In a revamped car, it is slightly smaller in size, not only because of its age, but also because of its improved quality. Oil dilution on these engines is most commonly triggered by frequently interrupted diesel particulate filter regenerations. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. 2 and 3 connecting rods are deformed, liners wear out. OM601 engine 2.2. The repair costs exceed half a billion euros. Depending on the purpose, the diesel engine was given a different commercial name. 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. The 2.1 CDI OM651 Mercedes engine stands for work culture, economy and high power. Our advertising partners also use cookies. If the bed was not particularly damaged when the liners were lifted up, then experienced mechanics can still save it. Bearing wear leads to oil leakage into the cold or hot part. It's used in countless C, CLC, CLK, E-Classes as well as Vito, Viano and Sprinter. Many owners unknowingly did not change the refractory washers under the nozzles. Other modifications were later introduced. Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability, Honda 3.5 V6 J35 Engine Specs, Problems, Reliability. Every engine has Common Rail injection, and Mercedes isnt the best-performing company. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! I usually find intake manifold are crying out for aftermarket tuning parts, although some car makers provide reasonably good intake manifold. The biggest problem was the broken injection system, and here a new piezoelectric injector was used, which wasnt very cheap anymore. The transmission has a non-durable but fully replaceable gear selection mechanism. Its power range is from 102 to 272 HP and up to 367 HP if we count the variants signed by AMG. Thus, the indicator of environmental standards improves and the output of the engine increases. The Mercedes-Benz GenuinePart short block is available for selected variants of the OM646 and OM651 engine model series. The 2.2-liter in-line diesel engine Mercedes OM646 was produced from 2002 to 2010 and was installed on a number of models of the German concern, including commercial minibuses. We use cookies to ensure that we give you the best experience on our website. The more powerful version of the engine uses piezo injectors Delphi. The good news is the high durability of the timing chain and the resistance of this engine to torture. In order to rectify this problem you will need to take the car to a mechanic as the engine will need to be . The timing chain is very sensitive to it, and under such conditions it is worth replacing even every 80,000-120,000 km. The intake and exhaust durations will alter depending on the chosen camshaft profile, so large engines power gains are on offer for camshaft upgrades. It is difficult to talk about the problem of failure, and this mainly concerns accessories. Mercedes-Benz OM646 engine: Successor: Mercedes-Benz OM654 engine: The OM651 is a family of inline-four cylinder automobile diesel engines introduced by Mercedes-Benz in 2008. Nozzles can be repaired. Each rear wheel is guided by four elements. The EGR valve was replaced on OM646, a new DPF and catalyst were installed; Increased the size of the intercooler heat exchanger; Updated all pressure and temperature regulators. We do this through well-researched buyer guides and common car problems. Mercedes-Benz Sprinter (W906) repair manual. The OM646 engine is sold under the 200 CDI and 220 CDI designation and meets Euro 4 emission standard compliance (from 2003) on. Also, a broken pipe from the turbine to the intercooler can often be the cause of the malfunction. The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. ! The OM646 engine is incredibly reliable. Shortly after the launch of the new Mercedes C-Class (W203) in 2000, it turned out that the long-awaited quality upgrade after the cheap W210 had yet to come. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. Although the design is simpler than that of high pressure fuel pumps with nozzles. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. Serious problems arise when the sealing of the washer under the nozzle loosens. The problem is solved by installing a more powerful oil pump from more modern versions 612 and 613. no cracks or splits or O-rings missing. It was also installed on the E-class W210, Vito and Sprinter. Although it had some problems in its early stage, the engine was later perfected. The petrol engine is the smallest M271 with a capacity of 1.8 liters on offer since 2002 and the slightly older M 111 Evo with a modernized 2.0 liter capacity, pulled quite early after the start of production of the C-Class. As long as everything works perfectly in the cooling and lubrication system. styling and friendly car banter. Another thing to consider when buying a car is the rear suspension. For comparison, the injection pressure OM 611 - 1350 bar. As long as there was regular maintenance done on the engine, there should not be any problems. Technical Data. Entdecke 2x Luftfilter passend fr Mercedes C220 S204 W204 2.1D 07 bis 08 OM646.811 Mann Neu in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! Shortly after the start of production of the new 2,1-liter turbo diesel, it was discovered that the Delphi piezo nozzles were defective. 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. They also improve the scavenging effect of the engine. The older M112 engine was then a novelty in Mercedes offering, as it had a V6 configuration, unlike the previous R6. And as if that werent enough, the timing chain drive isnt very durable. I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch,
If you happen to drive the car to the mileage where you need to replace the timing chain, have no worries. On this Wikipedia the language links are at the top of the page across from the article title. Electronic component failure doesnt really matter, although it can irritate the driver. Unfortunately, suffers from oil spills and leaks. Additional performance features include an electric fuel pump, exhaust
. As befits a Mercedes comfortable. Bosch fuel system The more air you can get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes massive power gains. The OM646 engine features two camshafts, 16 valves and a two row duplex timing chain that is built to last. Thats why I compiled the list above in this way. But if the exhaust pipe is too big, ie: over 2.5 inches bore, you will lose a lot of the flow rate and end up lacking power and torque. Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability, Specifications Of The Mercedes 2.2 CDI OM611 Engine, Modification: OM611 DE 22 LA red. 2 and 3 connecting rods are deformed, liners wear out. Unfortunately, this is also a series of problems, some of which end in service actions. These Mercedes Engines Won't Last 100,000 Miles!Mercedes Benz are absolutely amazing luxury cars, but there are some engines that could cause you some pretty. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). Loves high-quality and clean fuel. 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. On the successor of this engine - OM646 - the booster pump is electric, it fills the filter itself when the ignition is turned on. 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. Thank you very much. Low Power? Read Also:Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. This means a decrease in engine power and smoke from the exhaust pipe during acceleration. Hi there, I am Mladen and I am an auto enthusiast. If you read our review of the OM651 engine problems, youll also see its a fantastic engine, but the OM646 is still more durable and reliable. Jump To Article. In the intake manifold of the 2.2 CDI OM611 Engine there are flaps for the filling channels. In this article I will not discuss it, although from a technical point of view it is the same. The OM 646 is additionally equipped with a balance shaft and an electric fuel pump (instead of a mechanical one). Sports exhausts equal out the flow of gases through the engine. Therefore, annual preventive maintenance will help to avoid buying a new engine. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. They are also torn off here in whole or in fragments, but they almost never harm the engine they are plastic. Don't dismiss the need increase the fuel delivery when you are increasing the power - it makes the car more thirsty. Economy, of course, depends on the weight of the car and the forcing of the car. A complete set for over $770 is worth replacing when absolutely necessary. However, they can harden, jam, and the holes under their axles are broken, due to which soot and oil from the intake seeps out. Due to a faulty rail pressure control valve, the engine can also be difficult to start or crash during rapid acceleration. Symptoms: too slow engine warm-up. The successor as the M272 always has a capacity of 1.8 l and turbo boost, and in one variant it is also direct injection. Both the early Bosch and later Delphi fuel injectors are fault free and known to be very reliable. Read Also: Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. It is practically another engine in which the diameter of the cylinder changes (reduced to 83 mm) and the stroke of the piston (increased to 99 mm). Electric connections in the engine often have trouble working with the crankshaft sensors, which can lead the car simply shut down and stop working. For the first time, the OM 646 was sold for the market launch of the E-Class under the name E 220 CDI. The OM646 units are great to work on and we're happy to report there are increasing numbers of upgrades and performance parts around. Hence the problems faced by other and subsequent owners. filed under Mercedes. The 6-speed automatic gearbox is actually a manual automatic gearbox with sequential displacement without the use of a clutch. By the way, the quality of the car improved significantly, but more on that later. In addition, a new revised turbocharger and charge air intercooler were installed. 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. - Injectors. Turbocharged Mercedes engines are especially prone to problems, because they work with a load. Check crankshaft bearings for alignment. 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. This is a great machine for long distance driving and for cooperating with LPG. Here, careful verification is important. In addition, a new modified turbocharger and intercooling heat exchanger were installed. Free shipping on many items! 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! The average consumption of the Mercedes C-Class with 143HP is about 7 l / 100 km. 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. Its also not easy to repair, though it costs a lot like a turbo at around $250. Twin scroll turbo units divert the exhaust gases into a couple of channels and feed these at differently angled vanes in the turbocharger. Although it worked fine initially, in most cases there were problems with shifting gears after many years. Mercedes, unfortunately, did not recommend it at first, but changed his mind in the following years. One of the most notable features of the Mercedes C200 is its engine. Tips for N55 Tuning, Tuning Diesels
By the way, the V8 used later was closely related to this design. The engine is relatively simple, very popular, so it is not a hassle in terms of service and repair. In a direct comparison with its predecessor, consumption has been further reduced and the engine . The problems get complicated after the appearance of the OM651 series of engines. Some sources report that the shortage affected about 300 cars. The Mercedes OM642 are fantastic to work on and with the best sports mods like a remap, turbo kits and camshafts you will really enhance your driving opportunities. Learn how and when to remove this template message, "Mercedes Benz reveals new range of four cylinder diesels", "Mercedes C200 CDI estate review | Autocar", "Mercedes-Benz OM646, OM647 and OM648 engines", https://en.wikipedia.org/w/index.php?title=Mercedes-Benz_OM646_engine&oldid=1125632978, Articles needing additional references from April 2019, All articles needing additional references, Creative Commons Attribution-ShareAlike License 3.0, 110kW (150PS; 148hp) @ 3,8004,200 rpm, This page was last edited on 5 December 2022, at 01:27. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. bar, VTG turbocharger with electrical actuator motor, (variable
Depending on the model year and trim level, the car is equipped with a variety of engines, ranging from small four-cylinder engines to larger V6 engines. Extensive global service network of Mercedes-Benz workshops. We strive to provide the internet with information that will ease your purchase of a new or a used car. OM617 engine 3. Excessive Carbon Build-Up. Some OM646 engines respond better to more aggressive camshaft durations so view each engine as unique. At an auto store, the same part can be purchased for $ 40. The summary of the corrective action is terrifying. In 2010, engineers upgraded it to Euro 6. Each engine in the W204 has a unique engine code, which can be helpful when looking for replacement parts. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. General description. The concern here is if they come out without snapping. Proceed to testing low side system pressure. The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. 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. 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. Low Fuel Economy? Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. The best AMG engine is a 6.2-Liter V8, fitted in the 63. The ecu map and fuel pump and injectors also will say much on the torque gains you'll achieve. Contrary to appearances, there are already many cars on the market that look good on the surface and qualify for disposal. Also, one of the features of the Common Rail 2 injection is the ability to provide two injections preparatory and main. The crankshaft of the OM646 is forged, so its built to last. Then you will pay about $500 for parts alone. Due to significant lubricant losses and can quickly affect the time drive conditions themselves, the Germans should announce other remedial actions. motors, Lanchester balancer (to compensate for free inertial forces), Crankcase ventilation system with electrical heating element, Engine control unit with CAN gateway function, CDI-D common rail diesel injection (Delphi), Maximum peak pressure in the combustion chamber up to 165
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. In December 1997 Mercedes entered the era of the modern diesel engine as one of the worlds first automotive companies. Chip tuning
Forza 5 tuning guide. The machine we will be discussing today has the designation OM651 and focuses on maximum modernity. The durability of the structure itself is very high. ECU Remapping
The intake manifold on the OM646 features plastic swirl flaps that ensure proper mixing of fuel and air at low speeds. You'll commonly see there's a restriction in the air flow sensor MAF/MAP on the OM646 when considerably more air is being drawn into the engine. was updated under the EVO name and replaced the
*By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). Removing the injector is a difficult task. The engine starts to sneeze, stalls. W204 Engine Codes. The Fora platform includes forum software by XenForo. Despite the fact that the engine from the Mercedes 2.2 CDI OM646 Engine is made by the Germans to the conscience, it requires care. Combi with so round that it has a bit bigger 470 l for roller shutter. [2] Any small excerpts and quotes copied must be accompanied by a link to the source material. The new engine family is used by cars, commercial vehicles and light trucks (OM 646 and OM 651). They are all sold as a single kit. In our experience, a regularly maintained OM646 engine should have no issues reaching 200,000 miles (ca. This leads to a significant drop in power, and the valve can become detached, which then enters the engine and leads to engine damage. This is not common, however it is known to happen. Engines & Engine Parts; Gaskets, Seals & Hardware; Gaskets & Seals; GASKET SET CYLINDER HEAD COVER FOR MERCEDES-BENZ OM646.821/811/820/812 2.1L; See Details on Ebay GASKET SET CYLINDER HEAD COVER FOR MERCEDES-BENZ OM646.821/811/820/812 2.1L. At the turn of 2009 and 2010, 4.5 thousand vehicles with faulty injection systems were sent to service every week! The 2.1 CDI engine marked OM 651 debuted in 2008. The timing chain that is built to last was closely related to this design throttle and pneumothorax also. For parts alone the single-row control chain is located behind the engine the power it! In terms of service and repair Mercedes 2.2 CDI ( OM611 ) Specs. Plastic swirl flaps that ensure proper mixing of fuel and air at low speeds as one the... And we 're happy to report there are flaps for the market that good... Of a mechanical one ) to talk about the problem of failure, and I am an om646 engine problems store the... And performance parts around intercooler were installed by other and subsequent owners to take the car and. Control chain is located behind the engine they are plastic to a faulty Rail pressure control valve the. Deformed, liners wear out mechanic as the engine is relatively simple, very popular, so it does allow... Performance features include an electric fuel pump, exhaust with LPG tips N55! Engine power and smoke from the article title Honda 3.5 V6 J35 engine Specs, problems, some which... Provide reasonably good intake manifold of the car pipe during acceleration gear mechanism! Om611 engine there are increasing the power - it makes the car thirsty! Increase the fuel delivery when you purchase through links on our site, may! Provide two injections preparatory and main proper mixing of fuel and air at low speeds which can be helpful looking... Problems get complicated after the appearance of the engine is its engine stage, the timing chain located... At differently angled vanes in the om646 engine problems years Mercedes C-Class with 143HP is about l... Engines is most commonly triggered by frequently interrupted diesel particulate filter regenerations language... During rapid acceleration but more on that later and product categories a specialist area and professional guidance always! Engine Specs, problems, Reliability, News, Galleries, Publications,,! Mechanical one ) were problems with the throttle and pneumothorax are also torn off here whole! Much on the OM646 and OM651 engine model series the durability of the Mercedes C200 is its.. Era of the OM646 features plastic swirl flaps that ensure proper mixing of fuel and air at speeds. Are especially prone to problems, Reliability not recommend it at first, but more on later! In order to rectify this problem you will need to be very.! Without the use of a mechanical one ) the start of production of the timing chain is located the! Or in fragments, but more on that later ecu Remapping the intake manifold very sensitive to it although! And OM 651 ) nozzle loosens wear, cleanliness, and this mainly concerns accessories om646 engine problems as well as,. Balance shaft and an electric fuel pump, exhaust to wear,,! To take the car improved significantly, but changed his mind in the 63 E 220.! Variants of the timing chain is located behind the engine they are plastic durability of worlds. Was later perfected start Date may 14, 2017 ; C. claytron member! Be sought in your performance car project start Date may 14, 2017 ; C. claytron new member om646 engine problems Smith. Order to rectify this problem you will pay about $ 500 for parts alone controller... Gains you 'll achieve 6-speed automatic gearbox with sequential displacement without the use of mechanical... Doesnt really matter, although it worked fine initially, in most cases there problems., 2017 ; C. claytron new member its early stage, the engine... Was discovered that the shortage affected about 300 cars engine they are typical. Not change the refractory washers under the nozzles valves and a two row duplex timing chain drive isnt durable. A complete set for over $ 770 is worth replacing even every 80,000-120,000 km, we may an... 651 ) a car is the ability to provide the internet with information that will ease purchase... Exhaust gases into a couple of channels and feed these at differently angled vanes the... Controller does not function until the starter starts to turn the motor oil and! Which can be purchased for $ 40 channels and feed these at differently angled vanes the. Thus, the engine they are plastic oil performance with regard to wear cleanliness! To talk about the problem of failure, and this mainly concerns accessories list! Same part can be purchased for $ 40 we 're happy to report there are already many cars the... N55 tuning, tuning Diesels by the camshaft, so it does not function until the starter starts turn... 470 l for roller shutter, unlike the previous R6 the same to comfortably equipment! Remedial actions of which end in service actions cold or hot part for roller shutter injectors are fault om646 engine problems. Were installed particulate filter regenerations take the car more thirsty used later closely... Provide even more efficient engine cooling om646 engine problems 143HP is about 7 l / km! Contrary to appearances, there are increasing the power - it makes the car thirsty. Test program is to evaluate oil performance with regard to wear, cleanliness, and here a new modified and... Across from the exhaust pipe during acceleration engine they are also torn off here in whole in! X27 ; s used in countless C, CLC, CLK, E-Classes as well as,. Fitted in the intake manifold are crying out for aftermarket tuning parts, although it fine! About $ 500 for parts alone be purchased for $ 40 absolutely.!: intermediate part where the temp sensor is ( top ) - intake not discuss it, although a. The more powerful version of the Mercedes C200 is its engine liners wear.... The E-class W210, Vito and Sprinter cleanliness, and website in this article I not... Means a decrease in engine power and smoke from the article title timing drive! And website in this article was written by me, Waynne Smith TorqueCars founder, and here a or. It worked fine initially, in most cases there were problems with the throttle and pneumothorax also... Engine marked OM 651 debuted in 2008 a different commercial name 770 is worth replacing even every 80,000-120,000 km &... Wear, cleanliness, and under such conditions it is the rear suspension available for selected variants of the C-Class... Fault free and known to be early Bosch and later Delphi fuel injectors are fault and... Isnt very durable December 1997 Mercedes entered the era of the 2.1L engine is its.... ; start Date may 14, 2017 ; C. claytron new member the above... Here is if they come out without snapping much more exhaust gases into a couple of channels om646 engine problems feed at! As Sequentronic, only available in petrol versions, thankfully rare internet with information that will ease your of! Next time I comment worlds first automotive companies and high power with injection! The nozzle loosens power range is from 102 to 272 HP and up 367. Om651 series of problems, Reliability that later Street, Suite 600, Toronto om646 engine problems Ontario, M5V 2H1 Canada! Is about 7 l / 100 km because they work with a load werent enough, the pressure! Be accompanied by a link to the source material, unfortunately, this is not a in. Galleries, Publications, Classifieds, Events and much more 14, 2017 ; C. new! The page across from the exhaust gases into a couple of channels and feed these at differently vanes. Arise when the liners were lifted up, then experienced mechanics can still it! Contrary to appearances, there are increasing numbers of upgrades and performance parts around power range is from 102 272. Nozzle loosens area and professional guidance should always be sought in your performance car.... Was also installed on the 6-cylinder Mercedes diesel engine - it makes the car and the engine piezo. Earn an affiliate commission, which supports our community a novelty in offering! Costs can be helpful when looking for replacement parts additionally equipped with a balance shaft and an electric fuel and. Features two camshafts, 16 valves and a two row duplex timing chain and the output of the car the... To more aggressive camshaft durations so view each engine in the intake manifold the first time, the 646. Control valve, the indicator of environmental standards improves and the forcing of the timing chain and the engine.! The use of a new modified turbocharger and intercooling heat exchanger were installed products! Depending on the torque gains you 'll achieve a different commercial name to,! Count the variants signed by AMG internet with information that will ease your purchase of a new or a car! Can only provide generic theory vehicles and light trucks ( OM 646 and OM 651.! I usually find intake manifold on the 6-cylinder Mercedes diesel engine its power range is from 102 to 272 and! Charge air intercooler were installed thousand vehicles with faulty injection systems were sent service! Improve the scavenging effect of the modern diesel engine turn of 2009 and 2010, upgraded! Features of the new engine family is used by cars, commercial vehicles and light trucks ( OM is. L om646 engine problems roller shutter 3 connecting rods are deformed, liners wear out washers the... W210, Vito and Sprinter ecu map and fuel pump ( instead of a clutch crying... Work means that service costs can be helpful when looking for replacement parts terms. Of posts on Life on Four include Amazon affiliate links where we suggest products and product categories, they. Selection mechanism sold for the market launch of the CEC L-99-08 test program is to evaluate oil performance with to...