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
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unattended in the
vehicle, e ...
Please bear the following in mind
At the onset of winter, have your vehicle
winterproofed at a qualified specialist
workshop, e.g. at an authorized Mercedes-
Benz Center.
Observe the notes in the "Changing a wheel"
...
Important safety notes
WARNING
Follow recommended tire inflation pressures.
Do not underinflate tires. Underinflated tires
wear excessively and/or unevenly, adversely
affect handling and fuel economy, and are
mo ...
