Mercedes-Benz X-Class 2017 Operating Instructions Manual page 64

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Requirements:
the key is outside of the vehicle
R
the distance between the key and the vehicle
R
is less than 80 cm
all the doors are closed
R
Problems with KEYLESS-GO
Problem
You can no longer lock or
unlock the vehicle using
KEYLESS-GO.
Locking and unlocking the driver's
door with the emergency key element
To unlock the driver's door: insert the emer-
X
gency key element fully into the driver's door
lock and turn it anti-clockwise :.
To unlock the co-driver's door and rear
X
doors: pull the door handle from the inside.
Possible causes/consequences and M M Solutions
The key battery is weak or discharged.
Check the battery using the battery indicator lamp and replace if
X
necessary (
page 57).
Y
There is interference from a powerful source of radio waves.
Use the emergency key element to lock and unlock the vehicle
X
(
page 61).
Y
The key is faulty.
Have the vehicle and the key checked at a qualified specialist work-
X
shop.
One of the doors is not closed properly.
Close the doors.
X
The ignition is switched on.
Switch off the ignition (
X
To lock the vehicle: press button : on the
X
door handle.
To unlock the vehicle: press button : on
X
the door handle.
page 94).
Y
To lock the vehicle: lock all doors except the
X
driver's door from the inside.
Insert the emergency key element fully into
X
the driver's door lock and turn it clock-
wise ;.
If the electrics and thus electrical closing func-
tion of the vehicle fail completely, it will not be
possible to lock the co-driver's door and the rear
Doors
61
Z

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