Mercedes-Benz Sprinter Operator's Manual page 145

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 gage is at
0.
The vehicle cannot be
driven at a speed
exceeding 5 mph
(8 km/h).
The yellow ; engine
diagnostic lamp and
the yellow å DEF
2
indicator lamp light
up.
The engine does not
start.
The starter motor can-
not be heard.
Only vehicles without steering-wheel buttons.
2
Possible causes/consequences and M M Solutions
There is air in the fuel system.
Turn the key back to position 0 in the ignition lock before
X
attempting to start the engine again.
Start the engine again.
X
Please bear in mind that lengthy and frequent starting attempts
will drain the battery.
If the engine does not start after several attempts:
Consult a qualified specialist workshop.
X
The fuel tank has been run dry.
Refuel the vehicle.
X
If you drive until the fuel tank is completely empty, air may get into
the fuel system. If the engine does not start after refueling, bleed
the fuel system as follows:
Turn the key to position 2 in the ignition for approximately
X
10 seconds.
Start the engine continuously for a maximum of 60 seconds.
X
If the engine does not start:
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.
X
The exhaust gas aftertreatment is faulty, an emission-relevant
malfunction has occurred or the DEF reserve has been used up.
This malfunction or defect can damage the exhaust gas after-
treatment.
Observe the messages in the display:
X
on vehicles without steering-wheel buttons (
R
on vehicles with steering-wheel buttons (
R
( page 213).
Y
The battery isolating switch is switched off.
Switch on the power supply (
X
page 202)
Y
page 213) and
Y
page 136).
Y
Driving
143
Z