Mercedes-Benz-W212-instrukcja-obslugi

Driving 153
Problems with the engine
Problem
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
RThere is a malfunction in the engine electronics.
RThere is a malfunction in the fuel supply.
X Turn the SmartKey back to position 0 in the ignition lock before
the next attempt to start with the SmartKey.
X Before the next starting attempt with KEYLESS-GO: shut all open
vehicle doors so that the signals from the SmartKey may be
better received.
or
X Pull the Start/Stop button out of the ignition.
X Use the SmartKey to start the engine, (Y page 151) as external
radio signals cause KEYLESS-GO to malfunction. Avoid
excessively long and frequent attempts to start the engine as
these will drain the battery.
If the engine does not start after several attempts:
X Consult a qualified specialist workshop.
The on-board voltage is too low because the starter 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.
Driving and parking
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.
Z