Mercedes-Benz R350 R400 Steering Wheel Multifunction Button A1648700558 A1648700658 Direct Fit

When volume, phone, or menu button on your car’s steering wheel is slow to respond, unresponsive, or misbehaves, the steering wheel control switch interior contacts have worn out and need replacement. It controls audio, Bluetooth hands-free, and instrument cluster menus; replacement keeps hands on the wheel for safe operation. OEM A1648700558 and A1648700658, fits Mercedes-Benz R-Class models R350 and R400. Installation: disconnect battery negative to avoid airbag warning, ensure button ribbon connector aligns with slot and is pressed firmly to seat.