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  #1  
Old 01-06-2000, 11:48 PM
GP GP is offline
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Join Date: Mar 1999
Location: Palmdale, CA, U.S.
Posts: 27
Hello,

My 300E has 159K miles, the engine runs strong, but I'm curious on the rough idling and shaking after the engine cranks up.

Starting the car is no problem (only needs 1 sec to start the engine), the rough idling/shaking/hesitation last approx. 5-7 sec. After that the idle smooths out as if the engine wasn't running.

I've found out to prevent the problem during start ups is to apply a little gas, do you recommend this?

I've also noticed this same problem in my uncle's 89 and 90 190E 2.6..

Is there a way to get rid of this problem?

So, if anyone out there can assist Thanks!!!

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  #2  
Old 01-07-2000, 02:21 AM
JMike
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This used to happen to my 1990 190E 2.6. The problem disappeared after I had the valve seals replaced. My guess is that the "shuddering" was caused by oil left in the cylinder that it needed to burn. Benzmac can probably confirm this.
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  #3  
Old 01-07-2000, 09:44 PM
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
This does happen often as well as the injection nozzles can bleed down. Both are known for this type of problem.

------------------
Benzmac:
1981 280GE SWB
1987 16V
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
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  #4  
Old 01-08-2000, 12:57 AM
GP GP is offline
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Join Date: Mar 1999
Location: Palmdale, CA, U.S.
Posts: 27
Thanks for replying JMike and Benzmac!!!

So Benzmac, I can get rid of the problem by replacing the valve seals and injector nozzles?

GP
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  #5  
Old 07-03-2000, 03:46 AM
Bluelifeguard
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What if you have the injectors "cleaned"?
Will that help this problem?

Also what if you change the fuel filters?

I also have this problem... along with "cold" hard starting.

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