C-Class (W202) 1995-2000: C 200 CDI, C 220 CDI, C 270 CDI, C 180, C 200 K,C 230 K, C 220, C230, C 280

idle problem

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Old Apr 11, 2003 | 12:01 PM
  #1  
davinci's Avatar
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Joined: Mar 2003
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From: baltimore,md
c220
idle problem

I have a 95 c220 that refuses to idle correctly. It feels like a slight miss, sometimes it almost stales out. The miss seems present up to about 2500-3000 rpms, then smoothes out. Is their any common problems I should look for before going to the dealer to have it repaired?
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Old Apr 11, 2003 | 12:39 PM
  #2  
DougandhisC280's Avatar
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Joined: Oct 2002
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From: Birmingham, Alabama
2008 SLK-280
Sounds like your mass airflow meter is going out.
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Old Apr 11, 2003 | 01:54 PM
  #3  
MBKid's Avatar
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Joined: Mar 2002
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From: Salem, Massachusetts
96 Mercedes C36
Are there any indicator lamps on? Check engine light? Misfires as recorded by the computer so you could check with an MB dealer to see the codes. It could be an ignition coil, ignition wire, or yes the common faulty MAS.
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Old Apr 11, 2003 | 03:37 PM
  #4  
davinci's Avatar
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From: baltimore,md
c220
Yes, the check engine light is on.
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Old Apr 14, 2003 | 03:39 AM
  #5  
zaqwert7's Avatar
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Joined: Apr 2003
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From: New Jersey
w202 97 C230
I had same problem

I almost had same problem and now it is fixed well.

At first, I had some idle on my engine and my check engine light was on. And few days later, I could not start my car at all. So I brought it to my mechanic (Local Mercedes specialist) and he told me the Air Mass meter was damaged. My car also needed to get new spark plugs and air filter. I spent about $600 (I bought my own AMM) to fix everything and Now my car is running like new!.

or you may buy the air mass meter from the internet and install yourself. Air mass meter is located between air filter housing and engine. But you'd better get some diagnosis first.

below is the link where i bought my part.
http://www.benzpartstore.com/Mercede..._C_230_15.html

Air Mass Meter
B3130-70629
Bosch list $462.00 Price $268.94

Last edited by zaqwert7; Apr 14, 2003 at 03:45 AM.
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