Switching on/off
The three red indicator lamps in the button indicate the heating level you have selected.
If the battery voltage is too low, the seat
heating may switch off.
One or more of the indicator lamps in the seat heating button are flashing.

Driver's and front-passenger seat

Rear seats
The system automatically switches down from level 3 to level 2 after approximately five minutes.
The system automatically switches down from level 2 to level 1 after approximately ten minutes.
The system automatically switches off approximately 20 minutes after it is set to level 1.
► Make sure that the SmartKey is in
position
2 in the ignition lock.
► To switch on: press button 1 repeatedly
until the desired heating level is set.
► To switch off: press button 1 repeatedly
until all the indicator lamps go out.
See also:
Tips for driving with DISTRONIC
The following contains descriptions of certain
road and traffic conditions in which you must
be particularly attentive. In such situations,
brake if necessary. DISTRONIC is then
deactivated.
WARN ...
Activating/deactivating the radar
sensor system
The following systems are switched off when
the radar sensor system is deactivated:
• DISTRONIC PLUS
• BAS PLUS
• PRE-SAFE® Brake
• Blind Spot Assist
• Active Blind Spot Assist
USA on ...
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 ...
