Mercedes-Benz GLK 300 4MATIC 2012, Owner'S Manual

Page: 156 / 381

Problems with the engine
Problem Possible causes/consequences and M M Solutions
The engine does not
start. The starter motor
can be heard.
R
There is a malfunction in the engine electronics.
R
There is a malfunction in the fuel supply.
X
Turn the key back to position 0 in the ignition lock before
attempting to start the engine again.
or
X
Press the Start/Stop button repeatedly until all indicator lamps
in the instrument cluster go out.
X
Try to start the engine again (
Y
page 148). Avoid excessively
long and frequent attempts to start the engine, as this will drain
the battery.
If the engine does not start after several attempts:
X
Consult a qualified specialist workshop.
The engine does not
start. The starter motor
can be heard. The
reserve fuel warning
lamp is lit and the fuel
gauge display shows 0.
The fuel tank is empty.
X
Refuel the vehicle.
The engine does not
start. You cannot hear
the starter motor.
The on-board voltage is too low because the battery is too weak
or discharged.
X
Jump-start the vehicle (
Y
page 341).
If the engine does not start despite attempts to jump-start it:
X
Consult a qualified specialist workshop.
The starter motor was exposed to a thermal load that was too high.
X
Allow the starter motor to cool down for approximately two
minutes.
X
Try to start the engine again.
If the engine still does not start:
X
Consult a qualified specialist workshop.
Vehicles with a petrol
engine:
The engine is not run-
ning smoothly and is
misfiring.
There is a malfunction in the engine electronics or in a mechanical
component of the engine management system.
X
Only depress the accelerator pedal slightly.
Otherwise, non-combusted fuel may get into the catalytic con-
verter and damage it.
X
Have the cause rectified immediately at a qualified specialist
workshop.
Driving
153
Driving
and
parking
Z