Mercedes-Benz GL-Class: Engine
Display messages
(USA only)
(Canada only)
The yellow Check
Engine warning lamp
lights up while the
ignition is switched on
with the engine
running.
Possible causes/consequences and ► Solutions
There may be a malfunction, for example:
• in the engine management
• in the fuel injection system
• in the exhaust system
• in the ignition system (for vehicles with a
gasoline engine)
• in the fuel system
The emission limit values may be exceeded and the engine may
be running in emergency mode.
► Have the vehicle checked as soon as
possible at a qualified
specialist workshop.
In some states, you are required by law to immediately visit a
qualified specialist workshop as soon as the yellow Check
Engine warning lamp lights up. If in doubt, check whether such
legal regulations apply in the state/province in which you are
currently driving.
Vehicles with a diesel engine: the fuel tank has been run dry.
► Start the engine three to four times after
refueling.
If the yellow Check Engine warning lamp goes out, emergency
running mode is canceled. The vehicle need not be checked.
Display messages
The yellow reserve fuel warning lamp flashes while the vehicle is in motion.
In addition, the (USA only)/
(Canada only) yellow
Check Engine warning
lamp may light up.
Possible causes/consequences and ► Solutions
The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
► Observe the additional display messages in
the multifunction
display.
► Check that the fuel filler cap is
correctly closed.
► If the fuel filler cap is not correctly
closed: close the fuel filler
cap.
► If the fuel filler cap is closed: visit a
qualified specialist
workshop.
Display messages
The yellow reserve fuel warning lamp lights up while the engine is running.
Possible causes/consequences and ► Solutions
The fuel level has dropped into the reserve range.
► Refuel at the nearest gas station.
Safety systems
Display messages
(USA only)
(Canada only) The red brake system
warning lamp comes on
while the engine is
running. A warning tone
also sounds.
Possible causes/consequences and ►
Soluti ...
Driving systems
Display messages
The red distance
warning lamp lights up
while the vehicle is in
motion. A warning tone
also sounds.
Possible causes/consequences and ►
Solutions
Risk of accident
The ...
See also:
General notes
USA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions:
1. This device may not cause harmful
interference, and
2. this device mus ...
Off-road drive program
The off-road drive program is available
only in vehicles without the Off-Road Pro
engineering package.
The off-road drive program assists you in
driving off-road. The engine’s performance
ch ...
Battery Replacement
To change the remote control batteries:
1. Slide the rear cover back on the remote control.
2. Replace the two batteries in the compartment. Make sure they are installed
correctly using the diagram ...