Switching on/off
The steering-wheel heating heats the leather areas of the steering wheel

•► Make sure that the SmartKey is in position 2 in the ignition lock.
•► To switch on/off: turn the lever in the direction of arrow 1 or 2.
Indicator lamp 3 lights up or goes out.
The steering wheel heating may switch off temporarily if:
- the temperature of the vehicle interior is
above 86 °F (30
°C).
- the temperature of the steering wheel is
above 95 °F (35
°C).
Indicator lamp 3 remains on.
Vehicles without KEYLESS-GO: when you remove the SmartKey from the ignition lock, the steering wheel heating is deactivated.
Vehicles with KEYLESS-GO: when you switch off the ignition and open the driver's door, the steering wheel heating is deactivated.
See also:
DEF
Important safety notes
For BlueTEC vehicles only.
DEF is a non-flammable, non-toxic, colorless,
odorless and water-soluble fluid.
Only use DEF that complies with
ISO 22241. Do not add any ...
Activating RACE START
•► Depress the brake pedal with your left foot,
and keep it depressed.
•► Turn the drive program selector clockwise until the RS lamp lights up.
The multifunction display shows the RAC ...
Notes for 4MATIC vehicles
Vehicles with 4MATIC must not be towed
with either the front or the rear axle raised,
as doing so will damage the transmission.
If the vehicle has transmission damage or
damage to the front or ...
