Was headed down fdr highway in NYC and my accelerator got stuck!!! After a harrowing few near misses I was able to pull off the highway and slam the brakes and cut the engine. After that every time I started the car(neutral) the rpm kept goign up and up. I pumped the accelerator...tried to pull up the kickdown switch...its pops up and down but still the revs keep going up. I did some searches on the forum but need some precise advise as to what to do exactly. Any help would be greatly appreciated. To think I just spent 2K putting a new engine in. The car is on the street and I have go do something right away.


p,s How can Mercedes have a fault like this...its a disaster waiting to happen...that almost did.


1986 300e w124. 250K plus.

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***SAMI*****
1986 300E 240K
1999 Mitsubishi Spyder GS 60K

Bump.

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***SAMI*****
1986 300E 240K
1999 Mitsubishi Spyder GS 60K

Have you taken out the air filter and looked at the accelerator linkage? It is all spread out to look at and it is pretty complex. There are many pivots and ball connectors. If you try moving the various parts, you should be able to tell if the problem is in the cable (from pedal to lnkage) or in one of the linkage pivots/connectors.

When I do an oil change I always lubricate the linkage since I have the air cleaner off to reach the oil filter. I use a Valvoline synthetic oil in a spray can with tube to get the oil right into the pivots and ball connectors.

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1986 300E
1993 Volvo 940 Wagon
1984 Volvo 240 (daughter's)
1976 Dodge 1/2T pickup, gas hog

your accelerator linkage is stuck somewhere, take it all apart, check that it doesnt contact anything else and LUBE it all!

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350

Can the ball joints on this be separated and cleaned and lubed? It's such a pain and a mess to try and squirt lube into every one.

I think it would be a good idea to make sure that whoever installed the engine didn't damage anything that could've led to your unfortunate near-catastrophe.