Question about 1993 Mercedes-Benz 190

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My ASR light keeps coming on when i start my car.

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The light should come on for a few seconds as a test. If it then goes off this is normal. If however it stays on then the ASR (Acceleration Slip Regulation) has a problem. This is a very complex system that uses the anti-lock brake, cruise control, idles speed control, to prevent wheel slip. It can even apply the rear brakes individually and control the throttle. This system has no self diagnosis, and therefore is very difficult to repair for someone not familiar with this system. I suggest you take this car to a mechanic or a Mercedes dealer who has experience with this system.

Posted on Nov 17, 2009

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1 Answer

On a 1995 S500 Mercedes , ASR light keeps coming on


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1 Answer

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ABS--BAS

Most likely cause is the 'stop lamp switch'
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Pretty cheap too, I think the switch is only like $25 bucks.
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1 Answer

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1 Answer

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