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:
Headrest (2nd row center seat) (if so equipped)
Removal and attachment
To remove the headrest, push and hold the
lock knob 1 and pull the headrest up.
If the headrest is removed, store it in a
secure place. Reinstall the headrest when
th ...
Gasoline
Fuel grade
You should only refuel with unleaded
premium-grade gasoline as this avoids
damaging the catalytic converter.
If engine running problems are apparent,
have the cause checked immedia ...
Additional Factors Affecting System Operation
Safety belts help keep the passenger in position on the seat during vehicle maneuvers
and braking, which helps the passenger sensing system maintain the passenger airbag
status. See “Safety Beltsâ ...







