Driving safety systems overview

In this section, you will find information about the following driving safety systems:
• ABS (Anti-lock Braking System)
• BAS (Brake Assist System)
• BAS PLUS (Brake Assist System Plus*)
• ESP® (Electronic Stability Program)
• EBD (Electronic Brake force Distribution)
• ADAPTIVE BRAKE
• PRE-SAFE® Brake

    See also:

    Speedometer with segments
    The segments in the speedometer indicate which speed range is available. Cruise control (Y page 167) activated: The segments light up from the stored speed to the maximum speed. DISTRONIC PLUS ...

    Problems with the SmartKey
    Problem Possible causes/consequences and Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged. - ...

    Switching on/off
    The three blue indicator lamps in the buttons indicate the ventilation level you have selected. If the battery voltage is too low, the seat ventilation may switch off. Make sure that the S ...