Vibration....
Thread Starter
Senior Member
Joined: Mar 2006
Posts: 339
Likes: 7
From: Chicago
2012 E63 AMG, 2013 E350 4matic (SOLD), 2006 C55 AMG (SOLD)
Vibration....
I took my car in for unusual vibration in P and D. The service advisor was able to feel the vibration via holding the door while it was open. However, the tech said that's not the right way to check. 
I told him I feel vibration through the steering wheel as well when the car is in D. Well, they found nothing wrong with my car after their diagnostic test. No crack in motor mounts, etc, They advise me that this is normal for AMG V8's. Anyhow, during my service visit, they loaned me a 07 C280 and didn't feel any vibration at all. Is this normal on C55? My car is 06 with only 5600 miles. Any help will be great.
I told him I feel vibration through the steering wheel as well when the car is in D. Well, they found nothing wrong with my car after their diagnostic test. No crack in motor mounts, etc, They advise me that this is normal for AMG V8's. Anyhow, during my service visit, they loaned me a 07 C280 and didn't feel any vibration at all. Is this normal on C55? My car is 06 with only 5600 miles. Any help will be great.
Last edited by silvers2k; Jan 26, 2007 at 09:45 AM.
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Joined: Apr 2004
Posts: 45
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From: Aurora, IL
C32
I took my car in for unusual vibration in P and D. The service advisor was able to feel the vibration via holding the door while it was open. However, the tech said that's not the right way to check. I told him I feel vibration via steering wheel as well when the car is in D. Well, they found nothing wrong with my car after their diagnostic test. No crack in motor mounts, etc, They advise me that this is normal for AMG V8's. Anyhow, during my service they I had a 07 C280 as a loaner and didn't feel any vibration at all. Is this normal on C55? My car is 06 with only 5600 miles. Any help will be great.
I told him I feel vibration via steering wheel as well when the car is in D. Well, they found nothing wrong with my car after their diagnostic test. No crack in motor mounts, etc, They advise me that this is normal for AMG V8's. Anyhow, during my service they I had a 07 C280 as a loaner and didn't feel any vibration at all. Is this normal on C55? My car is 06 with only 5600 miles. Any help will be great.
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Joined: May 2004
Posts: 1,093
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From: California
2014 C250 sport
I took my car in for unusual vibration in P and D. The service advisor was able to feel the vibration via holding the door while it was open. However, the tech said that's not the right way to check. I told him I feel vibration through the steering wheel as well when the car is in D. Well, they found nothing wrong with my car after their diagnostic test. No crack in motor mounts, etc, They advise me that this is normal for AMG V8's. Anyhow, during my service visit, they loaned me a 07 C280 and didn't feel any vibration at all. Is this normal on C55? My car is 06 with only 5600 miles. Any help will be great.
I told him I feel vibration through the steering wheel as well when the car is in D. Well, they found nothing wrong with my car after their diagnostic test. No crack in motor mounts, etc, They advise me that this is normal for AMG V8's. Anyhow, during my service visit, they loaned me a 07 C280 and didn't feel any vibration at all. Is this normal on C55? My car is 06 with only 5600 miles. Any help will be great.
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Joined: Jan 2007
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From: Sydney, Australia
190D 2.5 (x2), 190E 2.6, W202 C240,W202 C43 (C55), W210 E55, W212 E250CDI
AMG engine will always be a little rougher at idle than a non AMG engine due to the fact that they use larger injectors to flow more fuel at high rpms.
Basicly a non amg engine will have the injectors operating for approx 3.5-4.0ms at idle while AMG engine will generally operate for 2-2.5ms at idle.
Basicly they are operating for such a sort period that they give a slightly rougher idle, also AMG cams are a little more aggreive which doesn't help.
Ask anyone with a jap turbo engine with high flow injectors how it idles and they will tell you the same thing
Basicly a non amg engine will have the injectors operating for approx 3.5-4.0ms at idle while AMG engine will generally operate for 2-2.5ms at idle.
Basicly they are operating for such a sort period that they give a slightly rougher idle, also AMG cams are a little more aggreive which doesn't help.
Ask anyone with a jap turbo engine with high flow injectors how it idles and they will tell you the same thing
Thread Starter
Senior Member
Joined: Mar 2006
Posts: 339
Likes: 7
From: Chicago
2012 E63 AMG, 2013 E350 4matic (SOLD), 2006 C55 AMG (SOLD)
Thanks for your input guys but not only I feel the vibration in my steering wheel...I feel my car stutter off and on...like it needs a tune up.or something Also, when I checked my idle it was at 500 rpm, it seems a bit low to me.
Also, when I checked my idle it was at 500 rpm, it seems a bit low to me.
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Joined: Jan 2007
Posts: 42
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From: Gold Coast
2004 C32
My c32 does the same thing. I just noticed it the last few days but did not pay too much attention to the car before so it might have been there all along. I hope you guys are right. Anyway the vibration is nothing like my modified r32GTR 
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Member
Joined: Sep 2005
Posts: 96
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From: Palm Beach, FL
CLK, R350
rough idle
My E55 (identical motor) has the same irregular vibration, you can see the motor shake a lil when it is in park, but as of now no codes or CEL. My independent mechanic (X-MB tech)checked the motor mounts and spark plugs. He says its normal for AMG motors!
