User Manual - Page 70

For 2020 C-Class Sedan C 300.

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The vehicle is not unlocked:
R
If you have locked the vehicle using the
SmartKey.
R
If you have locked the vehicle using KEY
LESS-GO.
Locking/unlocking the vehicle with KEY
LESS-GO
Requirements
R
The SmartKey is outside the vehicle.
R
The distance between the SmartKey and the
vehicle does not exceed 3 ft (1 m).
R
The driver's door and the door at which the
door handle is used are closed.
#
To unlock the vehicle: touch the inner sur
face of the door handle.
#
To lock the vehicle: touch sensor surface
1 or 2.
#
Convenience closing: touch recessed sen
sor surface 2 until the closing procedure is
complete.
%
Further information on convenience closing
(/ page 82).
If you open the trunk lid from outside it is auto
matically unlocked.
Problems with KEYLESS-GO
Problem
Possible causes/consequences and M Solutions
You can no longer lock or unlock the
vehicle using KEYLESS-GO.
Possible causes are:
R
The SmartKey functions have been deactivated (/ page 65).
R
The SmartKey battery is discharged or nearly discharged.
70
Opening and closing
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