Mercedes-Benz Sprinter Operating Instructions Manual page 139

Problems with the engine
Problem
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 is at 0.
The engine does not
start.
The starter motor cannot
be heard.
Vehicles with a petrol
engine:
The engine is not running
smoothly and is misfir-
ing.
Possible causes/consequences and M Solutions
There is air in the fuel system.
X
Turn the ignition to position 0 before attempting to start the engine
again.
X
Start the engine again.
Please bear in mind that lengthy and frequent starting attempts will
drain the battery.
If the engine does not start after several attempts:
X
Consult a qualified specialist workshop.
The fuel tank has run dry.
X
Refuel the vehicle.
Vehicles with a diesel engine: if you drive until the fuel tank is com-
pletely empty, air may get into the fuel system. If the engine does not
start after refuelling, bleed the fuel system as follows:
X
Turn the key to position 2 in the ignition for approximately
10 seconds.
X
Start the engine continuously for a maximum of 60 seconds.
If the engine does not start:
X
Wait approximately 2 minutes.
X
Restart the engine continuously for a maximum of 60 seconds.
X
If the engine still fails start, do not continue trying to start it.
X
Consult a qualified specialist workshop.
The battery main switch is switched off.
X
Switch on the power supply .
or
The on-board voltage is too low. The battery is too weak or discharged.
X
Jump-start the vehicle (
If the engine cannot be jump-started, the starter motor is faulty.
X
Consult a qualified specialist workshop.
There is a malfunction in the engine electronics or a mechanical com-
ponent of the engine management system.
X
Consult a qualified specialist workshop.
Y
page 265).
Driving
137
Z