Fogged Up - Mercedes-Benz Sprinter Operator's Manual

Problem
The key cannot be
turned in the ignition
lock.
The key cannot be
turned in the ignition
lock.
Headlamps and turn signals
G
Warning
The operating safety of your vehicle could be jeopardized if maintenance work is carried out
incorrectly. As a result, you could lose control of the vehicle and cause an accident. In addition,
the safety systems may no longer be able to protect you or others as they are designed to do.
Always have maintenance work carried out at a qualified specialist workshop. The qualified
specialist workshop must have the necessary specialist knowledge and tools to carry out the
work required. We recommend visiting an authorized Sprinter Dealer. In particular, work relevant
to safety or on safety-related systems must be carried out at a qualified specialist workshop.
Problem
The headlamps are
fogged up on the inside.
The headlamps are
fogged up on the inside.
Windshield wipers
G
Warning
The operating safety of your vehicle could be jeopardized if maintenance work is carried out
incorrectly. As a result, you could lose control of the vehicle and cause an accident. In addition,
the safety systems may no longer be able to protect you or others as they are designed to do.
Possible causes/consequences and M Solutions
The vehicle voltage is too low.
X
Switch off all non-essential consumers, e.g. the seat heating,
interior lighting, and try to turn the key again.
If this does not work:
X
Check and, if necessary, replace the starter battery.
or
X
Jump-start the vehicle.
or
X
Consult a qualified specialist workshop.
The steering lock has jammed mechanically.
X
Remove the key and insert it again into the ignition lock. Turn
the steering wheel from side to side while doing so.
Possible causes/consequences and M Solutions
Air humidity is very high.
X
Drive with the headlamps switched on.
The headlamps are clear after a short distance.
The headlamp housing is not sealed and moisture has been able
to enter.
X
Have the headlamps checked at a qualified specialist workshop.
Troubleshooting
219
Z