Mercedes-Benz 280 C, Owner'S Manual

Page: 281 / 337

Trailer towing*
Problem Possible cause/consequence Suggested solutions
The ball coupling cannot be
locked.
The key cannot be removed
from the ball coupling.
G
Risk of accident
The ball coupling is dirty.
The trailer tow hitch is dam-
aged.
E
Remove the ball coupling and clean it. If the ball coupling still
cannot be locked, remove the ball coupling. It must no longer
be used to tow a trailer, as safe operation is not guaranteed.
E
Have the entire trailer tow hitch checked at a qualified special-
ist workshop.
Parking up the vehicle
Problem Possible cause/consequence Suggested solutions
The vehicle is to be left parked
up for longer than six weeks.
E
Visit a qualified specialist workshop and seek advice.
E
Disconnect the battery ( e page 301).
Locking/unlocking in an emergency
Unlocking the vehicle
If you cannot lock or unlock the vehicle us-
ing the key, use the emergency key ele-
ment to unlock the driver's door.
If you unlock the vehicle with the emer-
gency key element, the anti-theft alarm
system* will be triggered (
e
page 71) as
soon as the driver's door is opened.
There are several ways of turning off the
alarm:
E
Press the
k
or
j
button on the
key.
or
E
Insert the key into the ignition lock.
If you unlock the vehicle using the emer-
gency key element, the fuel filler flap will
not be unlocked automatically.
E
Insert the key into the ignition lock.
The fuel filler flap is unlocked.
Practical advice
Locking/unlocking in an emergency
279
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