Brake Light Switch Failure May Cause ESP/BAS Warning Lights on Mercedes-Benz CLK430

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

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Average mileage: 133,041 (101,000–160,000)
5 model years affected: 1999, 2000, 2001, 2002, more2003
12 people reported this problem
4 people shared problem details
bas esp warning visit work shop
Replaced stop light switch three times in a month problem was fixed for a few days each time. No brake lights again fourth time in a month changed switch still no brake lights. What else could it be?
The issue occured as I was trying to remove an aftermarket sound system from the dash and had to start the car and put it in gear to clear the shifter, then I shut the car off in gear with my foot on the brake. Then the code popped up! ODB2 apparently won't clear it and I'm locked out of my trunk so I can't disconnect my battery either, bad car week :-\
replaced stoplight switch
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