Driving and parking, Driving – Mercedes-Benz G-Class 2015 User Manual
Page 140

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 SmartKey back to position 0 in the ignition lock before
attempting to start the engine again.
X
Try to start the engine again (
Y
page 134). Avoid excessively
long and frequent attempts to start the engine, as this
(
Y
page 133) 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 yel-
low reserve fuel warn-
ing lamp is lit and the
needle of 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 296).
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.
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.
138
Driving
Driving
and
parking