asr/bas fault light 1999 c180 - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 06-17-2010, 03:08 PM Thread Starter
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Unhappy asr/bas fault light 1999 c180

can anyone help me here, i have a c180 1999 with fault light on for asr/bas and abs it comes and goes but lately its on, also when it is on the automatic central locking when driving does not activate, you can lock the doors using the central lock button on dash.

battery voltage looks ok.

I had a guy try to put diagnostic on but said no power at connector for diagnostic?
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post #2 of 3 (permalink) Old 06-17-2010, 04:44 PM
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Vehicle: 99 E430, 01 E430 Sport, 00 SL500
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It may be a broken "brake light switch" that many people had. On my 99 E430, the brake light switch got 4 pins. Your car's brake light switch got 6 pins that may explain why the central lock does not work. Cruise control should not work either when ABS... warning light is on. The switch is located above the brake pedal, you need to remove the cover to get to it. Go to the forum for your car model, search for "brake light switch" to find fixing details.
Dealer may charge $200 for part and labor. If you got the time, order the switch from (~$15) then replace it yourself.
Credit should go to the member who posted the fix for the problem. He/she saved the MB world millions of bucks.
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post #3 of 3 (permalink) Old 06-19-2010, 01:50 PM Thread Starter
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thanks for that reply will get my mechanic to check it out.
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