BRAKE ASSISTED SYSTEM/ESP

Asked by eleria Mar 05, 2014 at 02:57 AM about the 1999 Mercedes-Benz M-Class ML 320 4MATIC

Question type: Maintenance & Repair

Whwn on drive, the brake automatically engages and sometimes difficult to accelerate. after a while the BAS/ESP light comes on and the drive will be smooth till another stop.
My auto repair person suspected and replaced the weel sensors but problem persist.
What could be the proplem

1 Answer
2,365

Ted answered 10 years ago

It sounds like it wheel speed sensor related. There could be an issue with the wiring from the sensor to the ESP control unit (especially the left rear WSS)

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