Check Engine Warning Lamp - Mercedes-Benz 2013 C-Class Coupe Operator's Manual

Warning and indicator lamps in the instrument cluster
242
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 vehicle is in
motion. In addition,
the ; Check Engine
warning lamp may light
up.
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
in the fuel system
R
The emission limit values may be exceeded and the engine may
be in emergency mode.
Have the vehicle checked as soon as possible at a qualified
X
specialist workshop.
i
In some states, you must immediately visit a qualified
specialist workshop as soon as the yellow Check Engine warning
lamp lights up. This is due to the legal requirements in effect in
these states. If in doubt, check whether such legal regulations
apply in the state in which you are currently driving.
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
X
display.
Check that the fuel filler cap is correctly closed.
X
If the fuel filler cap is not correctly closed: close the fuel filler
X
cap.
If the fuel filler cap is closed: visit a qualified specialist
X
workshop.
The fuel level has dropped into the reserve range.
Refuel at the nearest gas station.
X