Mercedes-Benz GLC 2017 Operator's Manual page 135

All other models
Problems with the engine
Problem
The engine does not
start.
The engine does not
start. The starter motor
can be heard.
The engine does not
start. The starter motor
can be heard. The
reserve fuel warning
lamp is lit and the fuel
gauge display is at the
reserve level.
The engine does not
start. You cannot hear
the starter motor.
Possible causes/consequences and M Solutions
The HOLD function or DISTRONIC PLUS is activated.
Deactivate the HOLD function (
X
( page 164).
Y
Try to start the engine again (
X
There is a malfunction in the engine electronics.
R
There is a malfunction in the fuel supply.
R
Before attempting to start the engine again:
Turn the SmartKey back to position u in the ignition lock.
X
or
Press the Start/Stop button repeatedly until all indicator lamps in
X
the instrument cluster go out.
Try to start the engine again (
X
and frequent attempts to start the engine as these will drain the
battery.
If the engine does not start after several attempts:
Consult a qualified specialist workshop.
X
The fuel tank is empty.
Refuel the vehicle.
X
The on-board voltage is too low because the battery is too weak or
discharged.
Jump-start the vehicle (
X
If the engine does not start despite attempts to jump-start it:
Consult a qualified specialist workshop.
X
To deactivate: press ECO button :.
X
Indicator lamp ; goes out.
To activate: press ECO button :.
X
Indicator lamp ; lights up.
If indicator lamp ; is off, the ECO start/stop
function has been deactivated manually or as
the result of a malfunction. The engine will then
not be switched off automatically when the vehi-
cle stops.
Selecting drive program S+ deactivates the ECO
start/stop function. If you press ECO button :,
the ECO start/stop function is activated.
page 167) or DISTRONIC PLUS
Y
page 128).
Y
page 128). Avoid excessively long
Y
page 322).
Y
Driving
133
Z