Mercedes-Benz GLC Owner's Manual page 304

Problems with PLUG-IN HYBRID operation
Internal combustion engine
Problem
You cannot start the
internal combustion
engine. The multifunc-
tion display shows no
display messages. The
READY indicator in the
multifunction display is
off.
You wish to pull away,
but the ECO start/stop
function does not start
the internal combus-
tion engine. The READY
indicator in the multi-
function display is off.
Recuperative Brake System
Problem
Braking resistance is
reduced and brake
pedal travel is longer
than usual.
Possible causes/consequences and M M Solutions
For example, self-diagnosis is not yet complete or the hybrid drive
system is malfunctioning.
Switch off the ignition and turn it back on.
X
Try to start the internal combustion engine again.
X
If the internal combustion engine still does not start:
Consult a qualified specialist workshop.
X
The ECO start/stop function has failed. The warning and indicator
lamps in the instrument cluster light up.
Shift the transmission to P.
X
Switch off the ignition and turn it back on.
X
Start the engine.
X
The hybrid drive system is malfunctioning.
Consult a qualified specialist workshop.
X
Possible causes/consequences and M M Solutions
G Risk of accident
The Recuperative Brake System is malfunctioning.
Observe the additional display messages in the multifunction
X
display ( page 335).
Y
Observe the information regarding indicator and warning lamps
X
in the instrument cluster (
PLUG‑IN HYBRID operation
page 377) .
Y
301
Z