Mercedes-Benz E CLASS 2020 Operator's Manual page 74

72 Opening and closing
Problems with KEYLESS-GO
Problem
You can no longer lock or unlock the
vehicle using KEYLESS-GO.
Activating/deactivating the automatic lock‐
ing feature
The vehicle is locked automatically when the
ignition is switched on and the wheels are turn‐
ing faster than walking pace.
Possible causes/consequences and
Possible causes are:
The key functions have been deactivated (
R
The SmartKey battery is discharged or nearly discharged.
R
There is interference from a powerful radio signal source.
R
The SmartKey is faulty.
R
Activate the SmartKey functions (
#
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 SmartKey checked at a qualified specialist workshop.
#
M M Solutions
page 66).
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page 66).
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page 67).
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page 67).
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