Mercedes-Benz 2012 B Class - Manual (Page 141)

Problems with the engine
Problem Possible causes/consequences and M Solutions
The engine does not
start. The HOLD function or DISTRONIC PLUS is activated.
X Deactivate the HOLD function ( Y page 167) or DISTRONIC
PLUS ( Y page 159).
X Try to start the engine again.
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 135). 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 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 289).
If the engine does not start despite attempts to jump-start it:
X Consult a qualified specialist workshop, e.g. an authorized
Mercedes-Benz Center.
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.
Driving
139
Driving and parking
Z