600sel
07-16-2006, 10:03 AM
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600sel
I have a 1992 600SEL with 70k miles. When driving in 90 and 100 degree temps, the car feels like it's running on 4 cylinders, only when the outside temp gets down to around 87 degrees the car comes back to life. Any help on this matter would be great.
07-16-2006, 04:13 PM
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One with 4 wheels
Originally Posted by HLG600
You should look into an oil designed to withstand extreme heat temperatures. Bring that motor back to life. 
07-16-2006, 04:46 PM
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Mobile I Synthetic is great, but I don't think it was around 15 yrs ago, and probably some other oil was used. 601db, when was your last oil change? Do you remember what type was used?
07-17-2006, 12:58 AM
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Thanks for the repleys everyone. I just bought the car 2,000 miles ago. It had 68,000 miles on it and the guy had the oil changed at the time I bought it. I do not know what type of oil he used? I almost have to step all the way down on the gas just to get the car going around 50mph on a real hot day. When it's cold it runs great. Do you think it might be a bad temp gauge? I have not replaced any sparkplug wires or any thing else on the car.
07-17-2006, 12:12 PM
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1997 S600 Sedan
Oil has no bearing on your problem, unless there is no oil in the car...
I think it might be old distributor caps and rotors. I know your exact symptom has been solved by others with new distributor caps and rotors. Here's an example:
http://www.benzworld.org/forums/w140...istributor+cap
Here's a thread throwing all suggestions at the problem. In the end it was bad ignition coils:
http://www.benzworld.org/forums/w140...istributor+cap
This guy's problem was a gunked up EGR valve:
http://www.benzworld.org/forums/w140...ight=egr+valve
And, finally, how are your engine compartment wiring harnesses?
Your problem could be any of a number of things. You've just got to begin somewhere and start eliminating the possibilities one-by-one.
Brett
I think it might be old distributor caps and rotors. I know your exact symptom has been solved by others with new distributor caps and rotors. Here's an example:
http://www.benzworld.org/forums/w140...istributor+cap
Here's a thread throwing all suggestions at the problem. In the end it was bad ignition coils:
http://www.benzworld.org/forums/w140...istributor+cap
This guy's problem was a gunked up EGR valve:
http://www.benzworld.org/forums/w140...ight=egr+valve
And, finally, how are your engine compartment wiring harnesses?
Your problem could be any of a number of things. You've just got to begin somewhere and start eliminating the possibilities one-by-one.
Brett
Last edited by brett san diego; 07-17-2006 at 12:16 PM.
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07-17-2006, 02:42 PM
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Originally Posted by 601db
Thanks for the repleys everyone. I just bought the car 2,000 miles ago. It had 68,000 miles on it and the guy had the oil changed at the time I bought it. I do not know what type of oil he used? I almost have to step all the way down on the gas just to get the car going around 50mph on a real hot day. When it's cold it runs great. Do you think it might be a bad temp gauge? I have not replaced any sparkplug wires or any thing else on the car.
