Check Engine; Warning Lamp; Reserve Fuel - Mercedes-Benz 2011 GLK-Class Operator's Manual

Warning and indicator lamps in the instrument cluster
200
For your safety, we strongly recommend that you contact an authorized Mercedes-Benz Center
immediately to have the system checked. Otherwise the SRS may not be activated when needed
in an accident, which could result in serious or fatal injury, or it might deploy unexpectedly and
unnecessarily which could also result in injury.
Engine
Problem
;
The yellow Check
Engine warning lamp
lights up while the
engine is running.
8
The yellow reserve fuel
warning lamp flashes
while the engine is
running.
8
The yellow reserve fuel
warning lamp lights up
while the engine is
running.
Possible causes/consequences and M Solutions
There may be a malfunction, for example:
in the engine management
R
in the fuel injection system
R
in the exhaust system
R
in the ignition system
R
the fuel system
R
The emission limit values may have been exceeded and the engine
may be breaking in emergency mode.
X
Have the vehicle checked as soon as possible at a qualified
specialist workshop.
i In some states/provinces, you are required by law to visit a
qualified specialist workshop as soon as the Check Engine
warning lamp lights up. If necessary, check whether this is the
case in the state/province you are in.
The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X
Check that the fuel filler cap is correctly closed.
X
If the fuel filler cap is not correctly closed: close the fuel filler
cap.
X
If the fuel filler cap is closed: visit a qualified specialist
workshop.
The amount of fuel in the tank has dropped into the reserve range.
X
Refuel at the nearest gas station.