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:
Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL® engine coolant. The
coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000
mi), whichever occurs first.
The fo ...
Sliding sunroof
Important safety notes
WARNING
When opening or closing the sliding sunroof,
make sure that there is no danger of anyone
being harmed by the opening/closing
procedure.
The sliding sun ...
Engine Heater
The engine coolant heater can provide easier starting and better fuel economy
during engine warm-up in cold weather conditions at or below −18°C (0°F). Vehicles
with an engine heater should ...






