- Mercedes-Benz C-Class: Why is My Car Vibrating?
Guide to diagnose trouble and recommended solutions
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Engine vibration when stopping to a halt
I just bought from Germany, November 2009 W212 E200 CGI (milage 104k kilometers). I have the same noise after driving 500km as in movie posted on first site -
The sound appear usualy when I'm throttling and stopping (usually around 1500-2000 RPM) from the turbine site. I've changed the crankshaft sensor after orange engine icon appear, but this solution helped me only for one day and this sound appear again!
Do you have any solution for this issue?

I will very grateful for your advice and help!
Last edited by misq; Dec 21, 2016 at 04:57 AM.
I just bought a 2011 C300 4Matic and it runs great except for this slight vibration I feel in D or R. It goes away in N, P or "at moving speed." While waiting at a traffic light in D, The vibration disappears once you stat moving or shift out of gear into N or P.
The other day, I had new engine and transmission mounts installed. While the vibration is much less than before, I can still tell it is there. The mounts just help mask the vibration. They are not the cause per se. My old mounts were not really bad.
Since I purchased the car, I've been combing through the threads for similar issues. It seems that those with these symptoms have all gone ahead and replaced the three mounts. While it has solved the problem for some (likely b/c they indeed needed new mounts), many 4Matic owners (not just he W204) have not had this resolved, including myself.
there are some threads that allude to the drive axle and drive shaft particular to the 4Matic. Some have had this expensive repair cure them of the problem. Another seem to have needed a new transfer case.
Anyway, I'm subscribed to this thread now and hope others will report back with their results. While there are many threads out there about this issue, many posters do not bother to follow up with what fixed the problem.
One more thing.
What I do notice, is that depending on the incline of the road that I am on (while stopped in D at a light), the vibration *seems" to diminish to noting, while other lights it is constant. I'm not sure if the wheel position may have something to do wit this.
There is also one other issue now that I think about it. When I first got the car, it had the vibrations, but it also had this steering noise and vibration as well. IF I turned the wheel as it nears the travel stops, there was a shudder-like vibration too. Now that I have new mounts, the vibration is less as mentioned, along with much less shudder in the steering wheel when turned towards stops. Like the general vibration, the steering vibration is still there but much less. The mounts are holding/masking some issue together. These two symptoms are likely related.
my c200k has vibration when stopping at red lights...some times
it started with engine check light coming on
i changed spark plugs, coils, did regular maintenance
scanner code said cyl 1 something...
changed transmission oil and filter...because sometimes it felt like downshifting was delayed too much
changed engine mounts thinking might help vibration
i still have the problem
gas aditive, injectors cleaned, everything ok
will double check if gas filter was changed
will apprecciate any comments
regards,
1. A new Mercedes axle is around a $1000 this NAPA re-man $100. Sometime you get exactly what you pay for.
2. Cardone re-mans are crap
3. Contrary to what some have posted here, a bad axle can most definitely cause vibration at a stop when the axle is under load (drive or reverse)
4. If a shop changes a part out, a new issue arises and they don't even problem solve...run far away.
Hope this is helpful to anyone dealing with this same problem.




On my Izuzu the lockup clutch only engage from 3rd gear onwards I was told.
On the Merc I would say its pretty quickly.
1-Neutral/Idle-?
2-Park/Idle-?
3-a)Drive/Idle_?
b)Drive/Slow pull away-?......C-Mode(2nd Gear) & S-Mode(1st Gear)....
c)DriveFast Pull away-?......C-Mode(2nd Gear) & S-Mode(1st Gear)....
4-With the above understood, how did Mercedes took care of,... call it the "Lock Up Clutch-Tipping point", a point where the idle revs make it want to engage/disengage in an endless loop until 1-car is taken out of Drive, put in Neutral or Park(Drivetrain disconnected), 2-Idle adjusted up or down for Drive engaged mode, 3-Or revs are changed-?
5-Coming to a stop with foot on brakes, off accellerator-?
6-My point is although there may be wear in the joints(Backlash), its not really the primary source of the problem, my opinion on this. I suspect the idle is such that the oil pressure to lockup clutch is such that it stays on its tipping point with the brakes on and certain revs in an endless pulsating loop, messing with the backlash towards all joints involved, and those with the most wear shows up as the worst behaving components. With no wear(new), this pulsating action has no where to go and is clamped down so to speak-?
Last edited by Moto_Guzzi; Jan 16, 2018 at 01:15 PM.
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Last edited by Moto_Guzzi; Jan 18, 2018 at 02:54 PM.
How do I know if the problem is caused by the engine mounts or the transmission mount?
Last edited by dol4er; Jan 19, 2018 at 06:42 PM.
How do I know if the problem is caused by the engine mounts or the transmission mount?
You can check the engine mounts by watching the motor while someone blips the throttle. The motor will rock noticeably with each blip if the mounts are bad .. Not sure how to test the tran Mount I think most people replace all three
HTH
Last edited by LandSeaAir; Apr 24, 2018 at 05:38 PM.
The same thing will happen if I'm in park and I put the car in drive but keep my foot on the brake, I would feel the vibration.
Also, if I am in park on pavement, and I turn the steering wheel I get a engine vibration, shake or what feels like strain on the engine.
Its almost like I have a weak engine
What could be the solution? a new fuel filter air filter
Update April 2018: The solution for my 2008 C300 4matic was engine mounts and transmission mount. Cost about $900 at my independent mechanic - for me well worth the night and day difference. Good luck.
I had this same goofy problem on my '05 Mazda6, 3.0L V6. Plugs were kept changed as regular maintenance. Throttle body kept clean.. No sign of vacuum leaks.. No codes... Etc, etc, etc... I had tried at least two different plugs in the car- Bosch Platinum, and NGK Iridium. Problem still existed. Changed all of my intake-to-spacer, and spacer-to-cylinder head seals while I was in there. Still existed. Also existed with OEM coils and with aftermarket performance coils. Just for the hell of it, I installed a set of the generic, Motorcraft Platinum plugs. Problem went away.... That was about 4 years ago. Problem has never come back.
Dealer recently replaced motor mounts, which seemed to 'soften' the vibration, but did not eliminate it. Car does not vibrate when driving. When I am braking and the idle drops to its lowest point 500rpm, the vibration is at its worst. Dealer has looked at this and no codes ever show up. I am wondering if the transmission mounts could be the problem? I am running out of ideas, and find this quite frustrating. Anyone on here with a similar vehicle/problem , who has actually figured out the problem? Help appreciated
.I thought I would chime in because I had this problem for quite sometime. Was first told it was a cracked control arm causing the vibration, got that fixe and did not resolve the issue. Got it diagnosed again and for my car it turned out to be the mounter mounts and transmission mounts. Got that replaced and seems to have resolved my issue but shortly after my check engine came on lol might be a Lexus guy after this is all done and sorted. Hope this helps someone










