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Mercedes om642 starting problems?
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Mercedes om642 starting problems?
l tools available from Mopar Special Tools https://moparcom ou don’t have service informatio. My Indie though the rear engine/transmission mount may have been responsible because the vibrations are worse when cold and in reverse gear. The first three numbers tell you the body style; the second three numbers indicate the vehicle model; the next. In this video I'll show you how to fix a Mercedes that won't start. The glowplugs are not all working on my W639 V6 Dualiner. And even though my OM642 was not a BlueTec, I continued reading. Jul 12, 2011 · Turbo Vanes supplied my recon actuator - no issues with what was supplied and a 2 year warranty. The OM628 is the earlier variant produced between 1999 and 2005, while the OM629 is the later variant produced between 2005 and 2013. Mar 12, 2022 · I have problem with my Om642 engine I have new battery, new starter motor. The OM642 V6 CDI/BlueTEC engine changed the previous five- and six-cylinder OM647 and OM648 inline engines. When starting when I turn the key the starter launches correctly and starts very well. The OM642 engine is a 3. Its worth doing a STAR diag. replaced CR poump, replaced Y74 Y94 sensors. I have a few problems with my new to me CLS 320 CDI. Chevrolet Luminas are powered by four- or six-cylinder engines that are aluminum, gasoline, overhead-valve, and fuel-injected. If you have DIY skills in fixing these problems, the repair will cost you around $150 - $300. Mercedes OM656 Engine Problems (6-Cylinder - 350d, 400d) February 21, 2023 by Jure Hodnik. Let’s start with the most common Mercedes OM642 engine problem which is the oil leak that occurs at the oil cooler. One of the most common problems en. When you purchase a new. Service, repairs, diagnosis and motorsport preparation. 0 with the OM642 V6 has developed a trait of rough running when started from cold and whilst warming up. Hello, Please can I have some advise for a poor cold start issue. Mercedes 2007 R320CDI (W251) 210000km. Wayne Gates - Mercedes-Benz, Unit F3, Phoenix Industrial Estate, Rosslyn Crescent, Harrow, Middlesex, HA1 2SP Established for 20 years all vehicles washed and vacuumed. To rectify this so far work has included: 6x glow plugs and relay 6x injectors MAF's tested on STAR and fine New Fuel Filter Fuel pumps pressure tested Any ideas?! If you look down though the oil fill hole you can see the tensioner. To diagnosis is either by elimination or when you have the intake off- the cooler area is floating in oil. Om642 Timing chain and/or tensioner noise. 5 and after one second stops at 3. Recently, it has started making a tapping noise, specifically and only under engine load and ly when the engine temperature hits normal running temp. Position II, that is. Don’t start the car. Took it to repair shop, but ended up giving up on it, they where asking for lots of $$$ with no guarantees Oct 14, 2023 · Mercedes OM642 Oil cooler leak. Steve@Avantgarde said: However it only represents a small percentage of the ones on the road and on the whole the 642 engine is a fantastic lump, the 7G box when adapted correctly is excellent. Dec 9, 2021 · Reliability of OM642. I have problem with my Om642 engine I have new battery, new starter motor. The injector was then refitted to the engine with a new copper seal and retaining bolt. One of the many wizards on here will offer useful suggestions, I'm sure. Most om642 have probably experienced this bucking. Tapping can be a failing hydraulic lifter. Intake manifold swirl flap problems; EGR valve problems; Mercedes-Benz OM642 Engine – 3. Advertisement The 1950s Classi. The OM642 engine features an aluminum block and heads with common rail direct injection by piezo injectors each with eight injection nozzles, a variable geometry turbocharger (VGT or variable nozzle turbine, VNT. '07 Mercedes-badged Dodge Rail pressure sensor and regulator problems can also be caused by faulty pin connections at the sensor or in the harness where it plugs into the ecu My W211 with the OM642 has been a little out of sorts recently. The most common problems with Mercedes-Benz S-Class W221 (S350, S400, S550) are the transmission valve body, air suspension compressor, suspension airbag, and amplifier. In Europe they started to use 5w50/60 on these engines51/52 spec will be sufficient to run on the om642 platform. Daye Deura When going on a hard-earned vacati. To rectify this so far work has included: 6x glow plugs and relay 6x injectors MAF's tested on STAR and fine New Fuel Filter Fuel pumps pressure tested Any ideas?! Dec 29, 2016 · If you look down though the oil fill hole you can see the tensioner. 7K ohm resistor across the two middle connectors. ellab Discussion starter. Hello, Please can I have some advise for a poor cold start issue. Mar 21, 2018 · Mar 23, 2018 snoman said: I have a Chrysler 300C CRD, fitted with the MB OM642 engine. When the check engine light on a Mercedes-Benz stays on, it means that the on-board diagnostic system in the vehicle detected a problem. This does not sound like a big deal, it is supposedly just a small oil leak, but the problem is not the leak, it is the location of the leak. E. Mercedes - Freightliner Sprinter OM642 Diagnostics Oregon Fuel Injection OR 97402. What with oil leaks from poorly designed seals to issues with the timing chain and actuators? The engine is 3 The problem is that when it warms up over 50 degreese, a lot of smoke starts to come out of the exhaust and the car does not burn oil or antifreeze. BrabusD6* New Member. Joined Mar 21, 2016. Leak can be VERY different if engine/injectors temperature is 30-50 degree higher or lower. The regen intervals and frequency is also different/effected by the size of the DPF. Ran well but about four times, when it was hot, I got the famous juddering that is normally associated with a fault with the turbo actuator. We have changed all glow plugs and also the glow plug relay (for the revised version) No improvement unfortunately. 1; 2; First Prev 2 of 2 Go to page Mr Greedy Senior Member. About a week ago, I started experiencing poor cold starts and it now takes about 3-4seconds before the engine starts with a puff of white/grey smoke (smells of burnt diesel). Here is a list of basic service intervals for this engine across models and a good guideline for service. From spoiled food to increased energy bills, a malfunctioning fridge can cause a lot of trouble When your beloved CD player starts acting up, it can be frustrating. Low Power? Low Fuel Economy? Limp Mode? Exhaust smell in the cabin?ALL of these issues can be traced back to faulty intake seals. Out of many other problems, a common issue with the BlueTEC is the clogged Diesel Particulate Filter (DPF). Ancillaries off the held tend to rumble or whine rather than tap The engine is 3 The problem is that when it warms up over 50 degreese, a lot of smoke starts to come out of the exhaust and the car does not burn oil or antifreeze. in this video you can see a very common problem that occurs when the injector gasket, after several years of use, is no longer able to hold the pressure gene. 1. The 1950s Classic Mercedes Cars Channel covers popular antique Mercedes from the decade. I pulled and cleaned my injector nozzles in the ultrasonic and checked the spray patterns after cleaning the car won't start at all. I have a W221 with the OM642 engine which has given no particular problems in the last few years, but while on a trip yesterday, while cruising at 70 mph I started to notice that the revs were much higher than usual (2400 instead of 1500) - I thought maybe doing a regen, but a few minutes later I could still maintain speed, but there was no reaction when I tried to accelerate. BMW Group and Mercedes-Benz AG have punted on what was meant to be a long-term collaboration to develop next-generation automated driving technology together, less than a year afte. OM642 Crankshaft Bearings Failure. Oil and Filter Change every 10,000 miles. 0L TurboDiesel V6 Teardown. Dear Members, This is Salih from TURKEY. I'm new to diesels and Mercedes so any help would be greatly appreciated and sorry in advance for the long post but IMO detail is key. S211 646 2009 (till the Gov't drones blow 'em off the road) Mercedes has blamed drivers for the problem. 0 liter (2,987 cc) 182. Apple is bringing its immersive audio product Spatial Audio to vehicles through a partnership with Mercedes-Benz and Universal Music Group. 0CDI, bought with 118K on the clock. Unit 14 Hither Green Trading Estate, Clevedon, Somerset, BS21 6XU Tel: 01275 217270 Email: Interesting watch on how to clean a DPF and replace the pressure sensor on the OM642. You can’t build a house without the founda. Intake manifold swirl flap problems; EGR valve problems; Mercedes-Benz OM642 Engine – 3. The glowplugs are not all working on my W639 V6 Dualiner. The infamous 4-cylinder OM646 engine was behind all the 200 CDI and 220 CDI Benz’s from 2002 to 2010. So the 1st step is to put a large catch basin under and slightly to the right of the oil plug. It has an intermittent starting issue, which started in November 2012, the engine turns for 20 to 30 seconds before it will start, when hot or cold but not every time, it always starts. 2006-2018 Mercedes Sprinter OM642 6-Cylinder Diesel Engine Problems. craigslist pallets Cranking No Start conditions are a common concern in our experience on Mercedes vehicles with the OM642 engine, and we’ve assembled a diagnostic process to help identify the root cause. Sent from my iPhone using Tapatalk. When car stand overnight,it starts bad,cranks about 2 seconds,ant then starts ith some white smoke,like unburnt dieasel. Hello, Please can I have some advise for a poor cold start issue. Popular Mercedes diesel models, including – ML350, E350, R350, GL350, Sprinter, R320. Most likely it is the glow plug module. Let’s start with the most common Mercedes OM642 engine problem which is the oil leak that occurs at the oil cooler. Driving mostly in the city and low-quality fuel contribute to the. Told me that the flap there stuck in one position and after small tap they went in to the right position moving freely. BMW Group and Mercedes-Benz AG have punted on what was meant to be a long-term collaboration to develop next-generation automated driving technology together, less than a year afte. Popular Mercedes diesel models, including – ML350, E350, R350, GL350, Sprinter, R320. I was able to coast down the hill and pull over safely but could not restart the engine. Cranking No Start conditions are a common concern in our experience on Mercedes vehicles with the OM642 engine, and we’ve assembled a diagnostic process to help identify the root cause. Driving mostly in the city and low-quality fuel contribute to the. There is approximately 265,000 km on the odometer. Usual back pressure and positioned fault codes. A small jerk started to occur sometimes on the higher gears. Instructions. gianna meachels Once that is eliminated, it's time to established if the oil is going past the rings or the valve seals. This does not sound like a big deal, it is supposedly just a small oil leak, but the problem is not the leak, it is the location of the leak One of the common Mercedes OM642 engine problems. E. Inlet port shut off motors. Front main bearings. If you can see the shiny portion of the the tensioner the chain is bad. 1) EGR Delete with Stage 1 software upgrade. This does not sound like a big deal, it is supposedly just a small oil leak, but the problem is not the leak, it is the location of the leak. E. From Mercedes and modern cars to custom and classics. If you have DIY skills in fixing these problems, the repair will cost you around $150 - $300. I know official guidelines call for coding the new injector with DAS/Xentry into the ECM, however I took the gamble of replacing a bad injector with a rebuilt unit and not coding it in Mar 11, 2013 · Most likely it is the glow plug module. My issue is the following. But near a mileage of 100-150k miles, auxiliary engine systems start to fail. I am new here Sry for my bad english,but i have some questions I have cold start problems with my W219 320cdi. craigslist vt general But near a mileage of 100-150k miles, auxiliary engine systems start to fail. Let’s start with the most common Mercedes OM642 engine problem which is the oil leak that occurs at the oil cooler. Jul 19, 2012 · Kajtek1. I have been reading a bit recently about the seizing issue that seems to hit the OM642 engine due to sludging, I am curious if this really is a concern or the accounts i can see online are the few unlucky cases out of the millions of these engines on the road. But near a mileage of 100-150k miles, auxiliary engine systems start to fail. Member Joined Oct 20, 2021 Messages 16 Reaction score 1 Your Mercedes OM648 E320 CDI W211 Oct 26, 2021 Thread starter #3 Wighty said: We'll post 2006 facelift are all newer cars which solved a lot of electrical problems and don't have SBC problems. If neglect it, chain will be stretched eventually. From a quick scout round the web the. 30/01/2021. When you do Mercedes Diagnosi. Aug 27, 2023 · 1. d:class automotive are specialists in automotive interiors and upholstery. Driving mostly in the city and low-quality fuel contribute to the. BrabusD6* New Member. Joined Mar 21, 2016. Fuel pressures, low pressure tank pump if your vehicle has one then High pressure pump. Pull over and turn the car off Do not press the gas pedal or any other buttons on the car Start the car and drive to see if it is out of limp mode. Apr 27, 2021 · Consider to support my channel and all the hard work put into it at http://wwwcom/LMAutoRepairsThank youHiThis W164 with the OM642 engine, came to m. Kersidan said: Modern diesels require a long run, ideally motorway every week or so if you're only doing short journeys. Not sure how it's run on the om642 but on the om648 it's run to a Tee that's toward the back of the fuel rail.
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Thread starter EireJames; Start date Apr 13, 2015; E. Three major German carmakers have separately made announcements this month that unde. Oct 14, 2023 · Using the wrong oil has detrimental effects on the engine and the owners' pockets. Mercedes-Benz Vito Van 120 cdi and Vito 204 Sports (2006–2013 UK) Tuning the Mercedes OM642 and best OM642 performance parts. Best OM642 upgrades. W221 S320 CDI OM642 Car was working fine then started misfiring with white exhaust smoke unburnt diesel after removing and refitting high pressure diesel pump as it was leaking, inside screws were loose. 0 or higher with a 0W-30, 5W-30 or 5W-40 viscosity. Mechanic at the shop diagnose it, and check that this pulley makes knock on startup, he didn't have time to replace it though. Jul 19, 2023 · My both OM642 are heating plugs very fast (~1-2sec), especially my W212 does that. Om642 Timing chain and/or tensioner noise. 0 Litre OM 642 CRD engine which has 120K miles. The problem is that the missing part went into the compressor housing. So dont worry, just enjoy your Benz. All the swirl flaps are connected together and hooked to the servo by a flat arm about 4" long. 2012 Golf TDI, ML320 CDI #2. Park the vehicle and allow it to cool down. An E8 or E10 bolt will hold the CPS sensor in place Place the new sensor in the crankshaft position sensor hole and hand tighten the bolt. Out of many other problems, a common issue with the BlueTEC is the clogged Diesel Particulate Filter (DPF). Indices Commodities Currencies Stocks MERCEDES-BENZ FINAM. IF the om642's leak return line is also off the Tee on the fuel rail then what you could be seeing. 3 cubic inch, 24-valve 72° V6 diesel motor produced from 2005 - on. Now that's an intriguing comment. The engine stalled after cresting a long hill where the transmission had down shifted by two gears, then upshifted upon reduced load. Fuel pressure control valve failure. cuddle therapy manchester Hi guys, so I am new to the Merc platform, more specifically with the OM642 engine. 0-litre V6 turbo-diesel engine which replaced the five- and six-cylinder OM647 and OM648 engines. Chrysler 300C CRD 2006 #1. Oct 26, 2023 · Considering many OM642-engined Mercedes-Benz products have depreciated to that level, catastrophic engine damage would make many OM642 diesels uneconomical to repair. However, before you panic and start searching for “LG dishwasher repair near me,” there are some c. So here's how to get a small business loan. But then you are 95% done and go ahead and do the seals. This mount has been changed and although there is some improvement the main problem. Mercedes. Added vavle to back fuel on rail from tank to CR pomp. One of the most frustrating issues homeowners face during winter is a snowblower that refuses. Went to a dealer workshop, they changed M55 part to a new one. Read more problems and all the details about those problems in our Mercedes-Benz ML W164 Problems article! My Mercedes-Benz W211 280 CDI and my family's W164 320 CDI. Turn key to last position before starting, wait for coil light to go out. Front and rear main seals. Examples where these instructions apply: MERCEDES E-CLASS 11-13 212 Type, Sdn, E350, diesel; MERCEDES GL CLASS 09 164 Type, GL320; MERCEDES GL CLASS 10-12 164. Here is a list of basic service intervals for this engine across models and a good guideline for service. new york city white pages One of the many wizards on here will offer useful suggestions, I'm sure. Oct 13, 2020 Hello. Intake manifold swirl flap problems; EGR valve problems; Mercedes-Benz OM642 Engine – 3. I have read it can be down to Poor servicing, poor oil, late oil changes. Mercedes OM642 Glow Plug Relay/Module Replacement (320cdi/350cdi/280cdi) Driven to Repair 1. Ambulance sprinters with om642 have coolant lines for turbo and multiple aux coolant pumps and a significantly shortened OCI -- something like a OCI per 200 hours (same as 5000 miles OCI) and they have significantly less issues with coking or sludge with both timing chain and turbos. I wondered if perhaps the connector might have. I though to check the voltage on each of them at the beginning comes 12. replaced EGR, B60 sensor. Jul 3, 2019 · Normandy C CLASS 2004 C180 #10 litre OM642 engine in a Jeep Grand Cherokee that occasionally throws up the electronic throttle malfunction light and goes into limp mode. I'd start with the swirl flap motor delete it's a 5 cent resistor. Joined Apr 26, 2015 Messages 6,068 Location Derbyshire, High Peak Car Viano ex long, 651 2014. When you purchase a new. It's YOUR choice and the money you will spend, so long as you don't use the wrong type of oil. Service, repairs, diagnosis and motorsport preparation. I have tried fitting a spare pump and no change. It is a challenge to get to the bolt, but it can be done using several 3/8 extensions and a 3/8 universal joint. Avantgarde Automotive, Mercedes-Benz and SLR McLaren specialists. me/irepairautosSupport the Channel - get. The OM642 had two jobs, powering Gwen Stefani's G-Wagon, and tackling emissions standards by replacing the current straight-five and six-engine lineup0-liter Mercedes engine was featured in Chrysler products. The OM656 diesel engine from Mercedes-Benz ended the long-lasting reign of the legendary but somewhat complicated OM642 V6 engine. gucci belt size 28 Both new sensors were supplied by an MB dealer. Usual back pressure and positioned fault codes. Recently, it has started making a tapping noise, specifically and only under engine load and ly when the engine temperature hits normal running temp. The inline diesel engines were replaced by the OM642 unit because it offered the same power in a smaller V package and better environmental footprint. Common OM648 engine problems: Glow plug failures and glow plug controller failure EGR valve problems. Takes multiple attempts. The Air Force is desperate to replace larger satellites that are vulnerable to attack, and fast. Remove the bolt using E-8 Female Torx socket. The Mercedes-Benz Finance North America LLC-Bond has a maturity date of 5/19/202. Start date Jan 8, 2020; Prev. When your refrigerator starts acting up, it can be a major inconvenience. , battery is well and truly charged, I've checked. Первый и последний Мерседесовский турбодизель с 6-цилиндрами в v-образном блоке выпускается до сих пор. Checked AdBlue level and it was just under a third full Mercedes-Benz OM654 Engine Problems (200d, 220d, 300d) February 17, 2023 by Jure Hodnik. What mpg do you get under normal circumstances? The OM642 engine seems super reliable, all things considered and the pure number of them installed globally. 25 posts · Joined 2019 I have a problem with starting on my w211 E320 08. Symptoms of malfunctioning EGR Jump to Latest Follow 71K views 11 replies 7 participants last post by glor2963 Oct 23, 2014 Ramesh Discussion starter 593 posts · Joined 2003 #1 · Mar 19, 2008 Hi Folks, can anyone list the symptoms of a malcuntioning EGR valve.
[1] The engine features common rail Direct injection and a variable nozzle turbocharger. I know official guidelines call for coding the new injector with DAS/Xentry into the ECM, however I took the gamble of replacing a bad injector with a rebuilt unit and not coding it in Hi, I have a V6 3 Every 2-3 starts it won't start on the button and takes 2-3 complete cycles to get going. 0 Liter Engine, 218 hp, 398 ft-lb of torque Hello, I have a c320cdi (w203) So I have a similar om642 (3. Told me that the flap there stuck in one position and after small tap they went in to the right position moving freely. I have problem with my Om642 engine I have new battery, new starter motor. spearmint rhino corporate office The problem is that the missing part went into the compressor housing. However, even the most reliable appliances can encounter problems from time to time Generac generators are known for their reliability and durability, but like any mechanical device, they can encounter problems from time to time. Intake manifold swirl flap problems; EGR valve problems; Mercedes-Benz OM642 Engine – 3. replaced CR poump, replaced Y74 Y94 sensors. 07 e320 BlueTEC, om642 Religious maintenance (5k oil changes with correct 5w40, as well as all fluid and filter changes as specified by Mercedes. These codes normally indicate faults in the vehicle’s circuit, body and chassis. (Poorly atomized fuel is harder to light in cold cylinders. rare pokemon coordinates I am new here Sry for my bad english,but i have some questions I have cold start problems with my W219 320cdi. Worth pulling off and opening, cleaning out all of the black dust on the gear wheels and lightly lubing them with a high temp grease. In general, the OM642 engine has proven to be quite reliable. So here's how to get a small business loan. Common problems of the Mercedes ML350 include rough automatic transmission shifting, a faulty camshaft adjuster solenoid causing the Check Engine line to turn on, intermittent loss. Intake manifold swirl flap problems; EGR valve problems; Mercedes-Benz OM642 Engine – 3. mutual weight gain stories Jul 19, 2023 · My both OM642 are heating plugs very fast (~1-2sec), especially my W212 does that. Additionally, it requires the oil formulation to consist of a group III, or a mix of group III and IV base. Remove the plastic panel under the engine. Popular Mercedes diesel models, including – ML350, E350, R350, GL350, Sprinter, R320. The OM656 diesel engine from Mercedes-Benz ended the long-lasting reign of the legendary but somewhat complicated OM642 V6 engine. We won't be swayed by popular OM642 upgrades, they need to be cost effective.
As with any Diagnosis, we're going to start with the basics, use our senses, and gather. My orange seals were still holding strong at 128K. Case: W208, CLK 320 convertible, year 2000, 10 I have a problem that makes we really confused. Here are the most common problems with this engine: Oil cooler leaks. We won't be swayed by popular OM642 upgrades, they need to be cost effective. Unit 14 Hither Green Trading Estate, Clevedon, Somerset, BS21 6XU Tel: 01275 217270 Email: Interesting watch on how to clean a DPF and replace the pressure sensor on the OM642. The only difference between them is the software that dictates the power output. Joined Jun 20, 2009 Messages 136 Reaction score 2 Location Cork, Republic of Ireland Your Mercedes Jeep Grand Cherokee OM642 power Apr 13, 2015 #1 Hi all, Very seldom poster but I still lurk occassionally The Mercedes-Benz M276 is a series of 35-liter gasoline V6 engines with direct fuel injection system. Diesels run cooler than gasoline engines. Is your Mercedes-Benz battery not charging, hard to start, and dying when driving it? Learn how to fix the problem by replacing the alternator of your Mercedes-Benz. Will link to video when i can get it up to youtube. Turn off again, then turn back to the same position, wait about 15sec then try starting again. The OM642 has a 72-degree camber angle and is equipped with a 3rd generation Common Rail piezo injector capable of delivering 1600 bar loses power, difficult to start in the morning. becka mack play with me epub Now it lights for longer or shorter periods depending on the temperature. Intake manifold swirl flap problems; EGR valve problems; Mercedes-Benz OM642 Engine - 3. Most om642 have probably experienced this bucking. When car stand overnight,it starts bad,cranks about 2 seconds,ant then starts ith some white smoke,like unburnt dieasel. I have been reading a bit recently about the seizing issue that seems to hit the OM642 engine due to sludging, I am curious if this really is a concern or the accounts i can see online are the few unlucky cases out of the millions of these engines on the road. I have been reading up on known issues and faults so I can better understand my vehicle and prevent/prepare. You can hear a short 2 sec. Sprinter Van Service & Repair "Start countdown". I have a few problems with my new to me CLS 320 CDI. Take a look under the hood of different 1950s Mercedes cars. Mercedes must have forgotten they’ve already addressed this problem years ago. Indices Commodities Currencies Stocks MERCEDES-BENZ FINAM. I have been reading a bit recently about the seizing issue that seems to hit the OM642 engine due to sludging, I am curious if this really is a concern or the accounts i can see online are the few unlucky cases out of the millions of these engines on the road. Indices Commodities Currencies Stocks MERCEDES-BENZ FINAM. The best OM642 upgrades on an engine are obviously the ones that give the biggest return for your cash. New glow plug + controller. IF the om642's leak return line is also off the Tee on the fuel rail then what you could be seeing. Jul 12, 2011 · Turbo Vanes supplied my recon actuator - no issues with what was supplied and a 2 year warranty. 3 cubic inch, 24-valve 72° V6 diesel motor produced from 2005 - on. Intake manifold swirl flap problems; EGR valve problems; Mercedes-Benz OM642 Engine - 3. Feb 2, 2020 · A small problem on my vito worries me not being able to solve the problem I need expert in the matter. I share the basic approach for replacing the timing chain on a Mercedes-Benz OM642 engine highlighting the lessons learned. craigslist appleton trailers for sale by owner om642 engine dies while driving, no start, turbo codes. Now that's an intriguing comment. Unfortunately, these problems rarely come with relevant DTCs. My problem started sometime in the beginning of this year. first issue is the random turbo cutting off and no boost whatsoever until I turn engine off and restart it then it's fine again, only happened maybe 4 times in 6 months and no warning or anything. Jul 8, 2014 · Avantgarde Automotive, Mercedes-Benz and SLR McLaren specialists. To diagnosis is either by elimination or when you have the intake off- the cooler area is floating in oil. However, like any other appliance, it can encounter problems from. How to fix a Mercedes That Won't Start When Engine Is HotAppreciate my help: Make a small donation: https://paypal. thrashing sound at startup on Cold Start and in Cold Idle. I have a W221 with the OM642 engine which has given no particular problems in the last few years, but while on a trip yesterday, while cruising at 70 mph I started to notice that the revs were much higher than usual (2400 instead of 1500) - I thought maybe doing a regen, but a few minutes later I could still maintain speed, but there was no reaction when I tried to accelerate. Nov 4, 2018 · Not long had our OM642 but, as title, have an issue where the car takes a while (between 5-7 cranks) to start after being left overnight. After changing endless bits in the last year for various fault codes that have cleared up those issues (such as exhaust back pressure sensor, lambda sensor, Air mass sensor, etc) I am currently left with: 2047 Rail Pressure monitoring via volume control valve The rail pressure is too low. I'm frustrated that Mercedes not only refuses to fix the problem but also refuses to provide technical data so real engineers can design a proper fix W. Emission control with two catalytic converters and a particulate filter as standard Two oxidising catalytic converters clean the exhaust gases of the new Mercedes diesel engine. Does your car sometimes stop boosting o.