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Old 10-13-2003, 11:40 PM
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Join Date: Sep 2001
Location: scottsdale, AZ
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Question BAS ESP Malfunction on 1992 ML 430

Sso I read the manual about the BAS abd the ESP warning light coming on. My ML 430 has about 57,000 miles on it. When i pulled out of the gas station, all of a sudden on dry cement, my front left wheel locked up! Nice experience! I rolled back, and it freed up, but locked up again. the warning light usually goes out when driving, but sometimes stays on a while. Got any ideas? thanks for your help! mike
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Old 10-14-2003, 08:08 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
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Bet the ML430 is a 1999 or later, you need to have traction computer scanned with MB scan tool & then see what codes are causing the light to stay on.
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Old 10-14-2003, 08:35 AM
it leaks, its german
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$10.00 says its either a brake light switch or a membrane travel sensor. (and in rare occassions a booster switch)

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Old 10-14-2003, 10:17 PM
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Join Date: Mar 2001
Location: Evansville WI
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Sounds pretty weird to me, almost like the ESP control unit (which receives all the wheel speed signals) thinks that the left front wheel is spinning faster than the other 3 and applying the brakes? It's the only thing that makes sense, or maybe a bad valve in the ESP hydraulic unit.

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