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.
See also:
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Switch on COMAND and select
video DVD
(see the separate operating instructions).
Press the
or
button on the
steering wheel to select the Audio menu.
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