Mercedes-Benz 2009 C-Class Operator's Manual page 324

Practical hints
Vehicle status messages in the multifunction display
Display messages
Key Detected
I
In Vehicle
Remove "START"
I
Button
And Insert Key
Obtain
I
A New Key
Key Does Not
I
Belong to Vehicle
322
Possible cause/consequence
A SmartKey with KEYLESS-GO left in the
vehicle was recognized while trying to lock
the vehicle from the outside.
The KEYLESS-GO system is
malfunctioning.
The SmartKey with KEYLESS-GO must be
replaced.
The SmartKey or SmartKey with KEYLESS-
GO in the starter switch does not belong
to the vehicle.
Possible solution
X
Take the SmartKey out of the vehicle.
X
Remove KEYLESS-GO button from the starter
switch ( Y page 85).
X
Operate the vehicle with the SmartKey in the
starter switch.
X
Contact an authorized Mercedes-Benz Center
as soon as possible.
X
Remove the SmartKey from the starter switch.