奔驰A级W169 2010-2012刹车灯开关 0015452009 原装位安装

Mercedes-Benz A-Class W169 (2010-2012) brake light switch, OEM number 0015452009, mounted above the brake pedal bracket, directly controlling brake lights and sending brake signals to the ECU affecting cruise control and transmission logic. Easy installation; 15-30 minutes; no special tools required for OEM replacement. If brake lights stay on or do not light, cruise control cannot be set, instrument panel shows “Brake light fault,” or shifting has jerks, this indicates worn switch contacts and should be replaced.