Mercedes-Benz S-Class Owner's Manual page 83

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.
Switching the automatic locking feature
on/off
The vehicle is locked automatically when the
ignition is switched on and the wheels are turn‐
ing faster than walking pace.
Convenience closing: touch recessed sen‐
#
sor surface 2 for an extended period.
% Further information on convenience closing
( page 93).
→
Possible causes/consequences and
Possible causes:
The key battery is weak or discharged.
R
There is interference from a powerful radio signal source.
R
The key is faulty.
R
Check the battery using the battery check lamp and replace if necessary (
#
Use the emergency key to lock or unlock the vehicle (
#
Have the vehicle and key checked at a qualified specialist workshop.
#
If you open the boot lid from outside, the boot lid
is automatically unlocked.
M M Solutions
page 76).
→
81
Opening and closing
page 76).
→