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#1
06-21-2007, 02:19 PM
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1994 SL600 weird engine revving issue
I have a weird thing going on with an SL600 (my father's). It acts and drives normally, but when the brake is applied the engine starts revving out of control. So much so that it seriously fights the brakes.
 When it is shifted into Neutral, it settles back down and acts normally afterwards when put back into Drive. It has only happened a few times (not in succession), but since it only happens once the brake is applied it poses a significant safety hazard.Any ideas? I was thinking it would be sensor related, but I don't know too much about the SLs and I might be overlooking something obvious.
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The stable, er, 1 horse  :1987 190D 2.5 Turbo (running well, and bloody-well better since it's the only car I have now) 
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#2
06-22-2007, 01:04 PM
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Wierd! I'm thinking wire harness issues. If you're not aware of this, insulation used on MB's 92-95 can degrade and cause all sorts of problems. These cars are drive-by-wire, meaning that the Electronic Throttle Actuator, or in your case, Actuators (2 in a V12), are electric. Shorts in the wiring could cause wierd things to happen. You should have the car scanned for any stored fault codes. Also check the wiring wherever you can gain access to it. I'm including a couple links for you to read...
http://v12uberalles.com/throttle_actuator_rewire.htm
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1995 S600, 1 of 618 (sold) "Speed is just a question of money...how fast you wanna go?" LONG LIVE THE W140! Visit my Web Page at www.v12uberalles.com
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