Brake Light Switch Failure May Cause ESP/BAS Warning Lights on Mercedes-Benz SLK230

Problem Description and Possible Solution

The ESP and BAS warning lights may illuminate due to a failed brake light switch. Replacement of the failed switch should correct this concern.

Problem Data
RepairPal Verified
Average mileage: 109,804 (70,000–145,000)
7 model years affected: 1998, 1999, 2000, 2001, more2002, 2003, 2004
18 people reported this problem
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BAS ESP light comes on and stays on for 10 to 20 minutes then clears. It happens every few days and sometimes stays off for longer periods. I first noticed it after a service at my mechanic and he said I should ignor it and it will go away.