Mercedes-Benz GL-Class: Switching the seat heating on/off
Adjusting the four-way lumbarsupport
You can adjust the contour of the driver's seat
backrests individually to provide optimum
support for your back.
1 To raise the backrest contour
2 To soften the backrest contour
3 To lower the ...
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 lamp ...
See also:
Tire pressure loss warning system(Canada only)
Important safety notes
While the vehicle is in motion, the tire
pressure loss warning system monitors the
set tire pressure using the rotational speed of
the wheels. This enables the system to det ...
Tpms operation
The TPMS monitors the pressure of the tires via sensors located in each wheel
and a receiver located within the vehicle. Communication between sensor and receiver
is via Radio Frequency (RF) signa ...
Locking and unlocking centrally
The SmartKey centrally locks/unlocks:
• the doors
• the tailgate
• the fuel filler flap
1 Locks the vehicle
2 Opens/closes the tailgate
3 Unlocks the vehicle
When unlocking, the turn ...






