Mercedes-Benz GL-Class: Problems with fuel and the fuel tank

Fuel filler flap emergency release
WARNING
Avoid contact with the vehicle walls as they
may contain sharp edges. Otherwise, you
could injure yourself while releasing the fuel
filler flap.
The emergency release is locat ...
DEF
Important notes on use
To function properly, BlueTEC exhaust gas
aftertreatment must be operated with the
reducing agent DEF. Adding DEF is one of the
tasks performed during maintenance. Under
no ...
See also:
Using Cruise Control on Hills
How well the cruise control works on hills depends on the vehicle speed, the
load, and the steepness of the hills. When going up steep hills, pressing the accelerator
pedal may be necessary to maint ...
Child safety rear door lock
Child safety rear door locks help prevent
doors from being opened accidentally,
especially when small children are in the
vehicle.
When the levers are in the lock position
1 , the rear door ...
Tow mode switch
TOW MODE should be used when pulling a
heavy trailer or hauling a heavy load.
Driving the vehicle in TOW MODE with no
trailer/load or light trailer/light load will
not cause any damage. Howe ...






