Om642 tapping noise During the idle the car is shaking and it lost power. To check this, the quantity control valve can be disconnected and the noise should go away. 52 oil. they are frequently implicated in "knocking" noises from the suspension but it's hard to see how they age without simply failing. Aug 6, 2016 · Recently, it has started making a tapping noise, specifically and only under engine load and ly when the engine temperature hits normal running temp. Possibly slightly worse hot than cold but hard to tell. 8K views 2 replies 2 participants last post by Fuzzynuts Jan 3, 2025 Fuzzynuts Discussion starter Mar 20, 2016 · If the ticking/tapping noise appeared straight after the oil change then its likely a crankshaft bearing pre-failure symptom. loud enough that I turned it off in a panic. Jun 3, 2019 · MB had a problem with early production of the OM642 with big end bearing issues (knocking) and it was very audible from the the front wheelarch so it’s interesting that you captured the sound from that very position which leads me to think that’s what the problem is, MB accepted that there was a problem at the time and repaired under warranty. 830 engine, i have had a light tapping noise for around 6 months now and recently dpf issues and intermittent smoking after idle Today i got a code saying its trying to Regen the dpf too often so cleared the code and took it for a run to regen and blow it Apr 9, 2024 · JCV Thread Sep 10, 2024 320 cdi noise om642 tapping ticking Replies: 2 Forum: ENGINE, DRIVETRAIN, FUEL & EXHAUST M Knocking under load in the E220 CDI W211 often stems from crankshaft bearing wear or imbalance. 6. This video is of engine running with accessory belt removed. When car stand overnight,it starts bad,cranks about 2 seconds,ant then starts ith some white smoke,like unburnt dieasel. check out diesel cetane enhancers/additives, they do work and will allow better diagnosis of your problem. cylinder 1/6 glow plug Hi,in this video we´ll fix a worn out inner tie rod on my Mercedes ML320 CDI 2007. A "knocking" noise from a Mercedes Benz engine while it is running is serious cause for Feb 22, 2020 · Engine makes intermittent knocking noise, ticking/crackling Engine makes intermittent knocking noise, ticking/crackling mercedes-benz-worldzz. Ignoring these noises can lead to catastrophic engine failure, so it’s crucial to diagnose the problem early. Had the chain and tensioner done Oct 19, 2023 · I just went to start it after sitting overnight and it fired up with a loud knocking noise seemingly coming from the top driver's side. 0 V6 diesel cold engine ticking knocking noise Gediminas Rapkevicius 82 subscribers 38 Oct 1, 2021 · Hello, chaps, This comes under "irritation", rather than "problem": 2009 E-Class with 94,000 miles - I'm getting a knocking sound from the steering column when executing low-speed manoeuvres. Pulse-like crackling noise occurs at irregular intervals - compare with attachment. Oil pump was failing. A quick blip of the throttle and it goes away. I’ve searched the various forums and suggestions include a leaking injector or timing chain or a bearing, such fun on a car worth £5k or thereabouts. 138,000 miles, new turbo, new oil cooler om642 I want to buy a jeep cherokee with om642 or om612 engine. , Rather like a quick smell of a nice Jura single malt. Dec 29, 2020 · Hi,in this video we´ll diagnose a worn out inner tierod on my Mercedes ML320 CDI 2007. 4. centre or right? The OM642 is a six-cylinder diesel engine developed by Mercedes-Benz, manufactured from 2005 to 2021 in Berlin and Untertürkheim. As a starter for 10 I’m going to do an engine flush Feb 17, 2025 · Explore common problems with the Mercedes-Benz OM642 engine, including symptoms, consequences, and maintenance tips. I suspected it may Jun 8, 2024 · Hi, my W164 ml350cdi has started making a tapping noise from the engine. Test done to isolate tapping noise (if no noise is detected the tapping comes from the first main bearing) Oct 2, 2017 · I have a 2010 c350 cdi with 0m642. If the noise lasts for more than a minute and completely disappears or dimishes after the engine is warm, the most likely cause is an exhaust manifold leak. It only does it for the moment that the Oct 19, 2012 · I have a noise at idle that sounds kind of like a very fast drumming on a hollow can, it gets very pronounced when first starting and will go away with the slightest increase in rpms. We have an ongoing fault with our E320 CDI which is making an intermittent knocking noise when pulling away from rest and sometimes from mild acceleration from 20 to 30 mph. After that starts and re-starts fine with no nnoise. Chrysler say it is the front main bearing, and not a Noticeable noise coming from the Drivers Top Front Side of Engine while revving the engine around 1500 rpm. Only happens when engine is cold mainly when left overnigh Any ideas With regard to #1: This is a normal operating noise from the high-pressure fuel pump which occurs when it is fuel quantity regulating mode. After this maintenance, it happened again, but I changed the oil and it still did not fix itself. It stops as soon as you lift off or the revs drop. It appears my fully serviced e320 is having a very weird issue I've never seen before. I noticed on my Mercedes 320 CDI that a metallic noise appears from the fro Strange knocking from engine, looking for solution Apr 16, 2024 · This definitely does not sound well. Seems to be more pronounced after turning left or right or going over bumps Nov 7, 2010 · Hi everyone I had my car serviced at a Mercedes specialist recently, and since then it's developed a loud noise which sounds like the tappets. Aug 31, 2022 · Isolating concerning engine noises after installation of a well used/poorly maintained engine. There was no check engine light, and the engine runs well with no apparent power loss despite the sound. Car has done 150k miles. Jun 21, 2022 · Hi all, I checked out an OM642 engine last week as a possible replacement for my engine in my 2007 sprinter. Levels of zinc over 1000ppm will protect your timIng chains. It was fixed when I changed the oil. It sounds louder when im close to another car or wall. K Feb 22, 2025 · Hi all, raised this previously but noticed where problem is about. This is not common on the CDI engine but is not an unknown topic in the M-B forums. *There has been an annoying tapping from the engine, heard in the cabin, above a loud CD, from new. Oct 13, 2020 · Hello. After turn off the engine there is some noise (like sound of hot iron is cooling) coming from underneath of the car i think it is exhaust and it never been before. Tried: I Replaced the Timing Chain Tensioner, and still the noise was present. It only does it when the engine is cold and has been sitting never when warm Jul 7, 2019 · Have had a whistling sound for the 4 years and a half that i owned a w211 220 cdi and had no problems during that period. Start by verifying oil quality and level, then perform a compression test. Does this slight knocking sound like injector knock? Or worn lifters maybe? Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. On and off noise in the engine compartment, more intense at the back of the engine (~ Cyl May 16, 2022 · Here is a video of the engine I checked out today. Addressing bearing wear early prevents severe engine damage. And see your pressure oil, can be a bad oil pump, maybe the pressure is not enough and dont lubricate proper the lifters. g. 0 Turbo Diesel OM642 engine. The current owner Mar 14, 2025 · JCV Thread Sep 10, 2024 320 cdi noise om642 tapping ticking Replies: 2 Forum: ENGINE, DRIVETRAIN, FUEL & EXHAUST E Jul 18, 2019 · Here is a video about the sound of the engine Even before the injectors have been replaced, we went a few kilometers with the car, at the beginning the knocking was less loud, but then when the engine warmed up it became worse and the engine stopped, and didn't start again. Feb 8, 2023 · This sound is lifter noise tapping, replace the engine oil and put a Liqui Molly lifter additive , it will reduce the noise. After 1 hour of waiting it started again. Only lasts a second or so, is this the dreaded cam chain wear issue, the car has 150,000 miles on Jul 18, 2019 · Even before the injectors have been replaced, we went a few kilometers with the car, at the beginning the knocking was less loud, but then when the engine warmed up it became worse and the engine stopped, and didn't start again. It checked out fine except my mechanic "thought" he heard some noise on the cold start. Due to the lack of an oil pressure switch there's no other warning. Remove oil filler cap and see if noise changes ,if so then its top end problem and not crankshaft bigends Oct 15, 2025 · GL Class (X164) - Om642 sound - Hello everyone, a noise started in my vehicle after the maintenance. The phenomena was never clearly reported on Sprinter, but then most of owners, who had engine failure don't fully inspect broken engine. Jun 5, 2015 · I would suggest that you use something like a cetane fuel additive to quiten the diesel knocking that you have there first, I'm not sure a dodgy front bearing will knock or tap as gently as your noise. OM642 R320 CDI 3. The general rule of thumb May 29, 2011 · Ive noticed a tapping noise coming from the engine, sounds a lot like a hydrolic tappet going. Mercedes OM642 Engine Problems The OM642 has a number Dec 27, 2023 · Had the same sort of symptoms on a Friend's 2012 with same OM642, on about 250k. Had this exact same situation on my dad's W211 2006 E280 CDI and after some research it appeared the likely cause of the noise was the crankshaft bearing issue. Aug 25, 2017 · Ticking will come from the valve cover . Jun 3, 2019 · Would be useful if someone put photo of this Black Death so people can see what they are looking for , It's pretty easy to see, you'll see a dark/black mess around the offending injector/s. OM642 MERCEDES ENGINE TICKING NOISE (SOLVED) BAD INJECTOR GASKET ON JEEP GRAND CHEROKEE WH WK CRD AFPHOTOLAB 1K subscribers 282 Mar 20, 2025 · Explore common Mercedes Benz OM642 engine problems, their causes, owner experiences, and important recall information. Firstly, as I am new here I would like to say hello. Car had alignment done yesterday and technician said everything is tight and no issues with alignment. Engine mounting at fault. Some info here on their properties. Im pretty sure my CLS has this engine I can rest easy tonight bar the worry of the recent car jackings :bannana: World record for Mercedes-Benz new V6 turbodiesel OM642 (in E320 CDI) - 100,000 miles at an average speed of 224. The single tapping noise comes in at approx 1500 rpm and rises with engine speed up to about 2300 rpm and can be heard very clearly with the window down but only when driving. When I purchased it, the van was running very weakly and did have a knocking noise. Tapping sounds can range from a minor annoyance to a serious warning sign. I thought it was the air box vibrating but listening closer it seems like it is coming from the vacuum pump Jun 26, 2021 · 2010 Sprinter; diesel 3. any advice? - YouTube About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How Aug 8, 2022 · can someone help me to understand this noise on 350d OM642 engine? The sound is very obvious after 20th second in this video. 0 V6 engine OM642, 97,000 miles - noise in cylinder, telling me to get new engine We would like to show you a description here but the site won’t allow us. I have noticed recently, that when my engine is put under hard load when warm, I get a very loud clicking/tapping that I could describe as tappet failure sound. I replaced the injector today fitted a Aug 4, 2018 · [2008 ml320 cdi] I have noticed when I first start up the engine there is a different sounding noise for about 2 seconds. 5. I think you need to research what can happen when you have coolant contamination ANALYSIS This type of noise is usually caused by malfunctioning valve lifters or an exhaust manifold leak. It has never made this noise This instructional time-lapse video shows you how to replace your Mercedes-Benz ML320/ML350 CDI 3. Let’s break down the potential culprits behind that Jun 9, 2014 · Hi, Can anyone supply me with a GOOD diagram for setting the timing up on the 3. If the noise only lasts for a few seconds, the most likely cause is a valve lifter malfunction. Jun 11, 2016 · Hi guys. 2013 mercedes gl350 bt timing chain noise at cold start. The most obvious time is when im moving off from traffic lights and put my foot down. The engine was first deployed in the Mercedes C-Class W203, and later in almost all other Daimler models in the higher price ranges, in some transporters, as well as in models from the brands Chrysler and Jeep. May 10, 2024 · It is normal for the original/genuine MB/Denso A/C compressor of the OM642 engine to make a bit of rattling noise when the A/C is off, especially in warmer temperatures. Less than 3000 miles and a new set of injectors required on my W212. I suspected it may Mercedes E350 CDI om642 knocking sound. Anybody else experienced injector problems on the Blue Efficiency 350 CDI? Jan 19, 2018 · I also used the stethoscope to listen for the diesel knocking sound I'm hearing, and the sound definitely sounded like it was coming from the pump! (That's when I made the determination to change the pump). Oct 18, 2020 · Hello Friends, i have a problem; When my CLS 350 cdi is starting/cranking from cold i can hear a loud tapping sound from the engine lasts 3-4 seconds until the car start. May 30, 2020 · Hi. I've attached two videos below, mainly to show the It is essential to compare the noise of the complaint vehicle with the example sound file attached! Noise is irregular. 000km, DPF equipped. As the revs get higher, the noise becomes faster so this leads me to believe its the tappets. I have pulled #1 injector and taken to our well thought of Bosch repair shop, Delco Diesel, and it tested fine. | By VAN ZYL Auto Services Like Comment Share 2 · March 29, 2017 · Follow w219 om642 tapping noise Ive noticed a tapping noise coming from the engine, sounds a lot like a hydrolic tappet going. 0 CDI and so needs replacing. I changed my oil a few days ago (05w/40) and all was going well when I noticed a strange noise on start up yesterday. Can you record another video with the hood open? I had a similar sound when the v-belt started disintegrating and knocking the hell out of the AC pipes and chasis walls--> cheap fix Does the knocking sound stop when the engine is warm? Mercedes-Benz OM642 knocking noise under accelaration. Nov 11, 2014 · 2010 ml 300 cdi 70,000mls Om642 v6 190 Hi all I have an annoying ticking tappet on my car its coming from the passenger side (uk) and appears to be from the rocker box cam cover area The ticking is perfectly rhythmic , ticks every cycle and is more prominent when cold i,m sure paranoia is Learn about common engine problems, why it occurs, and how to fix it. then I restarted and the noise remained but the engine seemed to be running ok. . 696 May 11, 2015 · Increase idle and tapping speeds up and gradually fades into other regular engine noise. Jan 10, 2019 · Hi Was just checking the engine mounts on my W212 with OM642 (which need replacing I think) and it reminded me that I sometimes hear a strange noise after revving my car in neutral (and probably not in neutral - but I can't hear it then!). I vaguely recollect there's Mar 7, 2021 · Once the tapping starts, is the tapping also speed dependent e. Regular Mercedes-Benz OM642 knocking noise under accelaration. I dont know if it is normal or something is wrong, but it gives an annoying whistling sound into cabin, especially in low speeds when pressing on gas pedal. com -Do not try this at home - Apr 29, 2009 · My car is at the dealers at the moment having a *new main engine bearing installed, four new wheels and new little black triangles in the rear door windows which were showing rust blisters, all after only 10,000 miles and 7 months from new. Check for low oil pressure, worn main or rod bearings, and inspect the crankshaft pulley for damage. The engine sounds In the video presented here, I disconnected and reconnected the injector related to Cylinder1 several times from the tester. Engine starts knocking noise during jerky. It almost sounds like a vibrating plastic engine cover, but it's quite loud. An oil pressure test revealed low pressure, suspect the pressure relief valve innthe pump was failing. After consulting with several workshops i was told that some turbos are noisier. Apr 27, 2019 · 1) Is a heavy 15w40 oil a good idea for this OM642 engine or should I go with the manufacturer recommended 5w30? 2) Can high levels of zinc cause problems with hydraulic lifters in modern diesel engines like the OM642? 5or 15-40 would be the best to protect your engine. If your car has developed engine knocking after DPF plugging or Dec 13, 2020 · I've been troubleshooting this problem for about 2 weeks now. Apr 18, 2017 · It was running & it was knocking! That knocking was of course gasoline in the fuel! Just needed a nose job to determine the problem by smelling the fuel in the tank. It's sounds like it's got an issue with the fuel / oil pump or injector - I've also been told that it could be a tappet. 0lt OM642 engine (c320CDI 2009) Wis is less that helpful, but i'm not an expert with it so maybe there is more somewhere else!?! Thanks all! :cool: W221,w204, sprinter engine, om642, 350CDI, 90. Video #1 Test done to isolate tapping noise (if no noise is detected the tapping comes from the first main bearing) Jul 28, 2025 · Common Causes of Engine Tapping Noises If your engine is making a tapping noise, it’s time to roll up your sleeves and get to the bottom of it. I did a little investigation with a stethescope and was sure the tapping was coming from number 1 injector. Suspicious noise that appears i Apr 5, 2020 · The metallic noise in diffuse in the engine compartment, more intense at the back of the engine (~ Cylinder no 3 and 6, under the turbo)- noticeable at 00:40 in the attached video: Jan 10, 2021 · JCV Thread Sep 10, 2024 320 cdi noise om642 tapping ticking Replies: 2 Forum: ENGINE, DRIVETRAIN, FUEL & EXHAUST M Nov 10, 2010 · It currently holds the world endurance record. The same sound i have heard even in other w211 and even other vehicles with the OM642 engine. 0 V6 diesel engine ticking knocking noise? Gediminas Rapkevicius 81 subscribers Subscribed Feb 19, 2025 · Explore common Mercedes-Benz OM642 engine problems, their symptoms, and potential consequences for informed ownership. Of course a lot cheaper than an engine and it is running just like it should today with a new fuel and some remediation. Sometimes it is barely audible and other times pretty loud. May 4, 2025 · Discover the specifications, common problems, and reliability of the Engine Mercedes OM642 V6 in this comprehensive guide. Dec 16, 2020 · Hi, I am looking for some advice as I need to replace my om642 engine as it has developed a knocking noise. which aspects should be taken into account when revising? should I look at those two engines? which commonly have problems? Nov 4, 2017 · I took a few photos of the build and will be putting all of them to this thread later on, however now I have a questionwhen started the engine makes a ticking/knocking noise that I know shouldn't be there, any ideas what that might be??? Video links: Warm engine Apr 21, 2025 · Discover the common causes of tapping noise in car engines and how to diagnose and address these issues effectively. Had no performance issues with the w211. Knocking will come from the engine block . Car run and drive without any issues and straight. Any one had this before and is able to advise of the issue. Will the om642 engine out of a 2007 w211 / c219 be a direct replacement? Any help on this would be much appreciated. It happens only when the column moves in the VERTICAL plane, as you work the wheel at low speeds Feb 15, 2024 · OM642 have long topic on SUV/sedan forum, where several of them seized at low mileage, due inadequate oil turned into gelatin. A knocking is caused when there is play between the shocks bushing and washers, ]- [ caused when the top nut is insufficiently torqued. Sep 22, 2015 · D Mercedes mechanic croydon/purley surrey Anyone know of a good mechanic in this area. This is also a 2007 OM642, with approximately 60k miles on it. ? Problem occurs after engine is warmed up and temp is upto 70 Oct 22, 2024 · Say Goodbye to Plastic: Upgrading OM642 Swirl Rods Sprinter NCV3 w/ OM642 2007-2018, Sprinter Van October 22, 2024 NCV3, OM642 May 17, 2025 · Explore the OM642 engine's specs, common problems, maintenance tips, and reliability insights to keep your Mercedes diesel running smoothly. does it tap quicker at 70mph vs 60mph? And if you had to guess what area it was coming from, would it be front, middle, rear of car, left,. It runs fine and is quiet at normal power levels, but at higher rpm and throttle settings the noise starts. No idea, 97k FSH no Sep 21, 2025 · Discover the Mercedes OM642 engine's specs, reliability, common issues like DPF and turbo faults, plus expert tips for maintenance and repairs. Should I change the sprockets at the same time? Thanks Sep 12, 2010 · Hi all. The noise was caused by the rockers and lifters Dec 8, 2008 · Our ML350 is making a ticking noise at times on idle and it goes away once you pass 1500rpm. I replaced the injector today fitted a john2k84 Thread May 29, 2011 noise om642 tapping w219 Replies: 16 Forum OM642 R320 CDI 3. I took it back to the specialist who agreed it was the May 30, 2019 · Hi Guys 2012 C250cdi estate with the OM651 currently on 116K miles with full service history Noticed when cold (outside temp 10C or lower) the engine makes a tappet noise for 5-10 seconds when started from cold. I noticed on my Mercedes 320 CDI that a metallic noise appears from the Feb 29, 2016 · JCV Thread Sep 10, 2024 320 cdi noise om642 tapping ticking Replies: 2 Forum: Engine, Drivetrain, Fuel and Exhaust G It is essential to compare the noise of the complaint vehicle with the example sound file attached! Noise is irregular. I am new here :) Sry for my bad english,but i have some questions :) I have cold start problems with my W219 320cdi. Ive noticed a strange ticking / tapping sound under my car and it seems like its near the transmission. Sometimes it smokes heavily grayish diesel smoke. Jun 4, 2010 · Hi, my W164 ml350cdi has started making a tapping noise from the engine. Had recent oil and filter change using approved MB229. The same thing happened in the previous maintenance. Warned me that he had 2 customers recently with timing chain failures (at 140K) resulting in ruined Nov 26, 2021 · 3. But when glow plug indicator disapears and I wait 10 Apr 19, 2023 · the strut top mounts. The owner showed me the codes which did read that 1. I dont hear Oct 15, 2020 · I recently purchased an 08 Dodge sprinter with the OM642 motor. Aftermarket A/C compressors make a slightly different noise and the noise can be heard from inside of the van. I would appreciate it if Sep 10, 2024 · GL 320CDI OM642 Weird Ticking Sound JCV Sep 10, 2024 320 cdi noise om642 tapping ticking J Oct 17, 2023 · OM642 - Inconsistent noise. No loud banging just rattling noise from metal to metal from my front driver’s Apr 3, 2007 · My garage says the timing chain is sometimes noisy on start up on my 2006 V6 3. When engine revs up and keep it 2500rpm it comes down itself sounds like the engine is choking. 0 V6 diesel engine ticking knocking noise? Buvljak Bubanj Potok Beograd - od Igle do Lokomotive, cene i obilazak, prvi deo #beograd OM642 R320 CDI 3. 823 km/h / 139. Apr 1, 2021 · Just bought the car a few days ago, anyone knows why the noise come from? Om642 Timing chain and/or tensioner noise. You should start your diagnosis with 2007 Mercedes Gl320 CDI 3. Noise would come and go, more noticeable at idle and low revs. 2574/2576 (Fuel injector 1/3 circuit minimum actuation not attained 2. Just based on my research it sounds like either a stretched timing chain or a bad tensioner. Do you have any tips Aug 7, 2005 · The OM642 V6 in our Vito has started making a noise under hard acceleration that sounds like induction roar. I don't think you have anything to worry about. 0 V6 turbo diesel for sale. Turbocharger issues can also amplify noise under boost. knocking noise from engine so sold as spares or repairs project. 20 pulses (ticking) which represent justifiable complaints can be heard in the attachment. blogspot. Jump to Latest 1. Dec 29, 2016 · Are there known chronic problems with the OM 642 BlueTec? I was considering a 2011 ML350 with 113K miles. fliwfi lum yjexc dhthrcd ascjbo ubfvzjix plsxe idcb inaqmsqg gwx lsbr lqi consg pdb twovrsh