Mercedes-Benz CLK-Class Owner's Manual page 340

KEYLESS GO*
Problem
You cannot lock or unlock the vehicle us-
ing the KEYLESS GO key.
Possible cause/consequence
The KEYLESS GO key batteries are dis-
charged or nearly discharged.
There is a fault in the KEYLESS GO system.
Practical advice
Troubleshooting
Suggested solutions
Lock or unlock the vehicle with the re-
mote control function on the KEYLESS
GO key. Point the tip of the key at the
driver's door from close range.
If this does not work:
Lock or unlock the vehicle using the
emergency key element ( page 341).
Check the KEYLESS GO key batteries
and change them if necessary
( page 355).
Lock or unlock the vehicle with the re-
mote control function on the KEYLESS
GO key.
Have the KEYLESS GO key checked at
a qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
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