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Old 11-08-2001, 02:12 AM
David C Klasse's Avatar
David C Klasse David C Klasse is offline
CheFrac is Back!
Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
Posts: 2,355
Exclamation All M104 engine owners, Please Read

My 1995 C280 with M104 motor seems loud at idle. Now I know that this engine is inherently not the most quiet engine when idling, but I want a feel from the other members.
When in Park or Neutral, idle is much smoother, but when in Drive, and stopped in idling, it sounds like the engine is rattling. I think that I'm just over-reacting, but I'd just like some reassurance.
BTW, my engine has 104k miles on it now, and I am pretty sure the idle wasn't this loud when I got it at 68k miles. (Saw a tech once, and he said that it definitly wasn't the Timing Chain, and that the engine sounded fine.)

What do you think your M104 engine sounds like at idle?
Please provide mileage also. Thanks a bunch guys.
2006 E350 w/ 155k miles (Daily Driver)

1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)

Last edited by David C Klasse; 11-08-2001 at 03:13 AM.
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