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:
Variable voltage control system
CAUTION
► Do not ground accessories directly to the
battery terminal. Doing so will bypass
the variable voltage control system and
the vehicle battery may not charge
completely.
...
Battery Voltage and Charging Messages
BATTERY SAVER ACTIVE
This message displays when the system detects that the battery voltage is dropping
below expected levels. The battery saver system starts reducing certain features
of the veh ...
Cleaning the wheels
Do not use acidic wheel cleaning products
to remove brake dust. This could damage
wheel bolts and brake components.
Do not park the vehicle for an extended
period straight after cleaning it, ...






