Mercedes-Benz GL-Class: 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.
Problems with the seat heating
If one or all of the indicator lamps in the seat
heating button are flashing, the seat heating
has switched off automatically. The vehicle's
electrical system voltage is too low because
too many e ...
See also:
Underinflated tires
WARNING
Follow recommended tire inflation pressures.
Do not underinflate tires. Underinflated tires
wear excessively and/or unevenly, adversely
affect handling and fuel economy, and ar ...
Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire
when tested under controlled conditions on a specified government test course. For
example, a tire graded 150 would wea ...
Removing the detachable tow hitch
Removal of the tow hitch is the reverse of fitting.
Note: The key cannot be removed when the tow hitch has been detached. ...







