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.

Driver's and front-passenger seat

Rear seats
The system automatically switches down from level 3 to level 2 after about eight minutes (driver's seat and front-passenger seat) or five minutes (rear seats).
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:
Important safety notes
WARNING
Gasoline and diesel fuels are highly flammable
and poisonous. They burn violently and can
cause serious injury.
Never allow sparks, flames or smoking
materials near gasoline or diesel ...
DISTRONIC PLUS displays in the
speedometer
When you switch on DISTRONIC PLUS,
triangle 2 shows the stored speed.
For design reasons, the speed displayed
in the speedometer may differ slightly from
the speed set for DISTRONIC PLUS.
I ...
Problems with the engine
Problem
Possible causes/consequences and - Solutions
The engine does not
start. The starter motor
can be heard.
- There is a malfunction in the engine electronics.
...
