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 ...

ETS/4ETS (Electronic Traction System)
WARNING Observe "Important safety notes". Traction control is part of ESP®. Traction control brakes the drive wheels individually if they spin. This enables you to pull away and acc ...

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 col ...