Try bashing the top of the dash as the needles stick mine do it all the time 1994 c class
SOURCE: On a 1995 S500 Mercedes , ASR light keeps coming on
yes they can but unlikely-more likely a bad over voltage relay(powers up idle speed computer) or wire harness-your vehicle is probably a hfm type fuel injection they changed from lh that year. find out if it is lh check the fuses in the base module located in the passenger side of the engine compartment under a cover held in by 4mm allen head bolts-alot of times these control units have intermittent contact with there connectors. asr stands for acceleration slip regulation-both isc and asr communicate via can system to monitor throttle position- ea isc cc-idle speed cruise control and electronic actuater(throttle)-hopefully i have helped
SOURCE: my 1995 mercedes S500 idles rough, and no power.
I had a similar problem with my 1994 S420.
Before taking it to the shop check the following:
Distributor covers, Rotors and Spark Plugs. That's what my car needed. Before I did it two "specialized" MB mechanics wanted to replace the engine wiring harness ($1,000.00) and the other wanted to replace Air mass sensor, throttle valve actuator ($2,000.00) I hope that's all you need.
Testimonial: "You hit it on the head. Had same problem with my '95 S500. diagnosed as bad fuel rotors. Explained to me there is one per cylinder, and were all origi"
SOURCE: where are the fuse boxes located ofr my 2002
A 2002 S500 actually has 3 differant fuse boxes.
2 of them are located under the engine hood, they are both against the firewall in the back corners of the engine compartment. The fuse box on the drivers side of the firewall has most of the common fuses in it.
The last one is located under the rear seat. There is a access panel below the passengers side rear seat, just unclip the plastic panel from the top.
Fuse chart can be found in the rear with the spare tire tools.
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Sender unit in tank or sticking needle on dash this us a comon fault the sticking needle that is
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