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:
Starting the engine
1. Apply the parking brake.
2. Move the selector lever to the P (Park)
or N (Neutral) position. (P is recommended.).
The starter is designed not to operate
unless the selector lever is in eith ...
Resetting values
► Press the
button on the
steering wheel to select the trip
computer menu.
► Press the
button to select the
function that you wish to reset.
► Press and hold the R reset butt ...
Mechanical key
General notes
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system ...






