Brake Light Switch Failure May Cause ESP/BAS Warning Lights on Mercedes-Benz SL550

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: 60,100 (59,500–60,700)
3 model years affected: 2007, 2008, 2009
6 people reported this problem
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2009 Mercedes-Benz SL550 60,700 mi,
Intermediant ESP warning light activated. STAR diagnosis pointed to the switch. Replaced brake light switch. $220 at INDY.