[R129 SL] ASR Problems

Dr. Fernando Menichini fmenichini at tiscali.it
Tue Aug 28 16:46:19 EDT 2007


sicuramente è la centralina che ocmanda il servomotore del pedale della'ccelleratore, si trova vicino alla pompa di inezione e ocnsiste in un potenziometro ceramico che si rompe e manifesta il problema che tu esponi. costa circa 500 euro. e nn c'e' modo di ripararlo.
----- Original Message -----
From: Oldbenz1 at aol.com
To: r129list at mbcoupes.com
Sent: Tuesday, August 28, 2007 9:56 PM
Subject: [R129 SL] ASR Problems


Having gratefully received and digested the advice from list members, I'm still in a quandry as what to do. Apparently this is a very complex system that is not easy to analyze or repair. I recently visited my local M-B dealer, where I am on very good terms with the service manager. I presented to him my problem (ASR light comes on after a few minutes of engine run time and then stays on until ignition is switched off). I explained that I have no transmission problem, and there is no evidence of rear wheel braking or accelerator pedal malfunction. He said-"there are many things that can cause this, but expect to pay from several hundred to more than a thousand dollars to analyze and remedy it". He suggested that it is probably an electronic device that has failed- either in the computer or the instrument cluster. Now comes the crucial question(s)- since I never drive the car in winter, nor has it ever been in sand, of what value to me is a system that regulates rear wheel spin? Can anyone on the list advise me of the following: Can this system be disabled so the light does not glare at me from the dashboard? I'm thinking of simply removing the bulb from its socket in the instrument panel. Would this cause any problems with other systems that may be interconnected? If I continue to drive the car in its present condition, could I possibly be asking for trouble by damaging something? I'd like to get into the mind of the engineer who designed this system and ask what he was thinking by adding so much complexity for so little meaningful benefit.





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