Mercedes-Benz S-Class Coupe 2018, Operator'S Manual

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If you open the trunk lid from outside, the trunk
lid is automatically 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:
R
The SmartKey battery is discharged or nearly discharged.
R
There is interference from a powerful radio signal source.
R
The SmartKey is defective.
#
Check the battery using the battery check lamp and replace if necessary .
#
Use the mechanical key to lock or unlock the vehicle .
#
Have the vehicle and SmartKey checked at a qualified specialist workshop.
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.
Opening and closing 63