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

Warning and indicator lamps in the instrument cluster
268
Engine
Problem
;
The yellow Check
Engine warning lamp
lights up while the
engine is running.
;
The yellow Check
Engine warning lamp
lights up while the
ignition is switched on.
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 (for vehicles with gasoline engines)
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, 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 you are in.
Vehicles with a diesel engine: the fuel tank has been run
completely dry and the engine will not start (
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.
Y page 166).