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 ...
