Mercedes-Benz C-Class Saloon Owner's Manual page 82

80
Opening and closing
To unlock the vehicle: touch the inner sur‐
#
face of the door handle.
To lock the vehicle: touch sensor surface
#
1 or 2.
Problems with KEYLESS-GO
Problem
You can no longer lock or unlock the
vehicle using KEYLESS-GO.
Convenience closing: touch recessed sen‐
#
sor surface 2 until the closing procedure is
complete.
Possible causes/consequences and
Possible causes:
KEYLESS-GO has been deactivated .
R
The key battery is weak or discharged.
R
There is interference from a powerful radio signal source.
R
The key is faulty.
R
Activate KEYLESS-GO ( page 74).
→
#
Check the battery using the battery check lamp and replace if necessary (
#
Use the emergency key to unlock or lock the vehicle (
#
Have the vehicle and key checked at a qualified specialist workshop.
#
% Further information on convenience closing
( page 90).
→
If you open the boot lid from outside it is auto‐
matically unlocked.
M M Solutions
page 75).
→
page 75).
→