C55 Engine Noise
12-25-2005, 02:37 PM
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'07 E63; 05 C55 gone; '02 C32 gone;1996 SL320;1978 280CE Gone
C55 Engine Noise
On startup my engine makes the typical whining noise. However, more disturbing is the tappet noise that continues for about 3 minutes until the engine warms up. It has been fairly cold here, and I did not notice it when the weather was warm. Anyone else have this problem, and what did you find out from the dealer?
12-25-2005, 02:54 PM
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Altima
me 2
Originally Posted by dsC32
On startup my engine makes the typical whining noise. However, more disturbing is the tappet noise that continues for about 3 minutes until the engine warms up. It has been fairly cold here, and I did not notice it when the weather was warm. Anyone else have this problem, and what did you find out from the dealer?
I've got the *exact* same issue on my C32. I'm too cheap to take it to the dealer. Let me know if you find out what it is.
12-25-2005, 03:08 PM
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My car will not make the tappet noise on idle but if I start driving about 2500 rpm it is very apparent until the engine is warm. I just try to make the car shift earlier until warm. I think it is normal for our cars as other people have said the same thing. 
12-25-2005, 03:10 PM
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Originally Posted by dsC32
On startup my engine makes the typical whining noise. However, more disturbing is the tappet noise that continues for about 3 minutes until the engine warms up. It has been fairly cold here, and I did not notice it when the weather was warm. Anyone else have this problem, and what did you find out from the dealer?
12-27-2005, 11:09 AM
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2018 GLC300 4Matic; 2005 C55; 2003 360 Modena
Originally Posted by C434ME
It is the emissions air pump for cold start up. Usually last for several minutes until the engine warms up.
12-27-2005, 06:26 PM
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'07 E63; 05 C55 gone; '02 C32 gone;1996 SL320;1978 280CE Gone
Originally Posted by coolcarlskiC43
They all tend to do this noise. What weight oil are you using ?
The oil is changed regularly by the dealer. It is Mobil 1; - presumably 10W40? I will discuss it with the dealer and have them look into it. If I get any specific information I will report.
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12-29-2005, 05:51 PM
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2018 GLC300 4Matic; 2005 C55; 2003 360 Modena
If you get a reasonable explanation from your dealer - PLEASE let us know. I've been searching for an accurate explanation for the whining noise, and no one seems to know the answer. The noise is embarrasing for an AMG V8.
12-29-2005, 06:31 PM
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C55 SILVER / ASH
Originally Posted by kjb55
If you get a reasonable explanation from your dealer - PLEASE let us know. I've been searching for an accurate explanation for the whining noise, and no one seems to know the answer. The noise is embarrasing for an AMG V8.
AGREEEED! A 60k car sounding like that is pathetic. Oh well it sounds great when warmed up.
