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:
Preparing the vehicle
Your vehicle may be equipped with a
"Minispare" emergency spare wheel or
MOExtended tires (tires with run-flat
properties).
Vehicle preparation is not necessary on
vehicles with MOEx ...
Making adjustments in 5 mph (Canada:10 km/h) increments
► Briefly press the cruise control lever
beyond the pressure point, up 1 for a
higher speed or down 2 for a lower speed.
The last speed stored is increased or
reduced. ...
What to Use
WARNING
Adding only plain water or some other liquid to the cooling system can be dangerous.
Plain water and other liquids, can boil before the proper coolant mixture will.
The coolant warning ...







