Mercedes-Benz 280 C, Owner'S Manual

Page: 278 / 337

Problem Possible cause/consequence Suggested solutions
You cannot lock or unlock the
vehicle using the key. The key is faulty.
E
Lock ( e page 280) or unlock ( e page 279) the vehicle using
the emergency key element.
E
Have the key checked at a qualified specialist workshop.
The battery check lamp on the
key does not light up when
tested. The key batteries are dis-
charged.
E
Change the batteries (
e
page 283).
You have lost a key.
E
Have the key cancelled at a Mercedes-Benz Service Centre.
E
Report the loss immediately to the vehicle insurers.
E
If necessary, have the manual locks changed too.
You have lost the emergency
key element.
E
Report the loss immediately to the vehicle insurers.
E
If necessary, have the manual locks changed too.
The key cannot be turned in the
ignition lock. The on-board voltage is too low.
E
Switch off non-essential consumers, e.g. the seat heating* or
interior lighting, and try to turn the key again.
If this does not work:
E
Check the starter battery and recharge it if necessary
(
e
page 302).
or
E
Jump-start the vehicle (
e
page 303).
or
E
Consult a qualified specialist workshop.
Practical advice
Troubleshooting
276
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