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:
Setting a speed
WARNING
Keep in mind that it may take a brief moment
until the vehicle has made the necessary
adjustments.
Increase or decrease the set vehicle speed to
a value that the prevailing ro ...
Important safety notes
In order for the battery to achieve the
maximum possible service life, it must always
be sufficiently charged.
Have the battery checked regularly at a
qualified specialist workshop, such as an ...
Special Application Services
Severe Commercial Use Vehicles Only: Lubricate chassis components every
5 000 km/ 3,000 mi.
Have underbody flushing service performed once a year.
...






