Help, car vibrates at a stop…
#1
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Mercedes CL55
Help, car vibrates at a stop…
So Ive been noticing that when I'm at a stop light, the car vibrates now.. When I put it in neutral, the vibration goes away. Anyone know what this can be?
Last edited by JPhamily; 12-20-2014 at 09:31 PM.
#5
Motor mounts for sure
If it is on your 55 get ready to enjoy taking it without lube. They have to raise up the engine and I think move the fenders outward and disconnect the radiator to get the engine up far enough to replace the mounts. If you don't change them your neck on the radiator will break for sure. I know my 04 did. Attend to it ASAP
Last edited by 2014CL600; 12-20-2014 at 11:30 PM.
#6
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If engine mounts are bad, then you feel a vibration in the wheel at idle.
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E63 Biturbo, UPD Cold Air induction kit, UPD performance crank pulley and UPD adjustable rear suspension with ride height adjustment.
CL55 UPD Cold Air Boost kit, UPD 3000 stall converter, UPD 77mm SC clutched pulley and beltwrap kit, Custom long tubes, UPD crank pulley , UPD suspension kit, UPD SC pulley, Aux. HE, Trunk tank w/rule 2000 pump, Mezeire pump, UPD 5pc idler set, Aluminum rotor hats.
www.ultimatepd.com
instagram @ultimate_pd
facebook.com/ultimatepd
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#8
MBWorld Fanatic!
That it's not the transmission a?
I'll tell you what it is it's that round plastic ball that's black that everybody says doesn't vibrate but it does and that's what makes all the noise or vibration at idle and there is a new part....
Pulsation dampener ty
I'll tell you what it is it's that round plastic ball that's black that everybody says doesn't vibrate but it does and that's what makes all the noise or vibration at idle and there is a new part....
Pulsation dampener ty
Last edited by AMG 17GT; 12-23-2014 at 09:13 PM.
#13
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Mercedes CL55
I actually replaced both my motor and transmission mounts a year ago unless they went bad again?... The thing is, why does the vibration go away when I put the car in neutral ?
#14
Have them checked again. They are known for going bad on your car. To much torque. You can actually open your hood, put one foot on the gas and one on the brake (while in drive) and push the pedal and see if it lifts, and when you take it off fast see if it pops down. Then do it in reverse and see. If it makes a noise they are bad. I had to have mine replaced twice in a year but they did it for me under warranty. Be careful because the if the rad is original it will break the neck on the radiator. I know that as well, mine broke because of the mounts. The car vibrated in gear and not in neutral.
#17
Wouldn't the pulsation dampener make a noise? They usually hum if they are bad. Yours was quiet but bad? How would they be able to tell without it making noise? Just curious.
#19
Yes, that is what I thought. If it isn't making noise more than likely it isn't bad and the issue isn't the dampener. Now, that isn't to say it couldn't be. My thought would be to spend the 100.00 at the dealer to tell him exactly what it is. We can only speculate but the official word would be the dealer. Then take it to a reputable place to have it fixed for 1/2 the money.