Mercedes-Benz A-Class Operator's Manual page 66

64
Opening and closing
Problems with KEYLESS-GO
Problem
You can no longer lock or unlock the
vehicle using KEYLESS-GO.
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 for an extended period.
% Further information on convenience closing
( page 70).
→
If you open the tailgate from outside it is auto‐
matically unlocked.
Possible causes/consequences and
Possible causes are:
KEYLESS-GO has been deactivated .
R
The SmartKey battery is weak or discharged.
R
There is interference from a powerful radio signal source.
R
M M Solutions