See also:

Servicing the brakes
If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning messag ...

PRE-SAFE® Brake
PRE-SAFE® Brake is only available in vehicles with DISTRONIC PLUS. Observe the "Important safety notes" section. PRE-SAFE® Brake can help you to minimize the risk of a frontal colli ...

Before changing a fuse
Park the vehicle and apply the parking brake. Switch off all electrical consumers. Remove the SmartKey from the ignition lock. The fuses are located in various fuse boxes: fuse box on th ...