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:
Summer tires
- Optionally, tires with a maximum speed of
over 149 mph (240 km/h) may have "ZR"
in the size description depending on the
manufacturer (e.g. 245/40 ZR 18).
The service specif ...
Tire size designation, load-bearing
capacity and speed rating
1. Tire width
2. Nominal aspect ratio in %
3. Tire code
4. Rim diameter
5. Load bearing index
6. Speed rating
Tire data is vehicle-specific and may
deviate from the data in th ...
Load index
In addition to the load bearing index, the load
index may also be imprinted on the sidewall
of the tire. This specifies the load bearing
capacity more precisely. ...
