Mercedes-Benz CLS 2017 Operator's Manual page 130

Driving
128
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
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. 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 155).
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 0 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 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
The starter motor was exposed to a thermal load that was too high.
Allow the starter motor to cool down for approximately two minutes.
X
Try to start the engine again.
X
If the engine still does not start:
Consult a qualified specialist workshop.
X
not be switched off automatically when the vehi-
cle stops.
page 157) or DISTRONIC PLUS
Y
page 124). Avoid excessively long
Y
page 285).
Y