Mercedes-Benz S-Class Operator's Manual page 101

Insert the mechanical key as far as it will go
X
into opening : in the protective cap.
Pull and hold the door handle.
X
Pull the protective cap on the mechanical
X
key as straight as possible away from the
vehicle until it releases.
Release the door handle.
X
Insert the mechanical key into the lock of
X
the driver's door as far as it will go.
Turn the mechanical key counter-clockwise
X
as far as it will go to position 1.
The locking knob pops up and the door
unlocks.
Turn the mechanical key back and remove
X
it.
Insert the mechanical key into the Smart-
X
Key ( page 93).
Y
Carefully press the protective cap onto the
X
lock cylinder until it engages and is seated
firmly. Do not pull the door handle when
doing so.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered. Switch off the alarm
( page 86).
Y
Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the
SmartKey or KEYLESS-GO, use the mechani-
cal key.
Open the driver's door.
X
Close the front-passenger door, the rear
X
doors and the trunk lid.
Press the locking button (
X
Check whether the locking knobs on the
X
front-passenger door and the rear doors
are still visible. Press down the locking
knobs by hand, if necessary.
Close the driver's door.
X
Take the mechanical key out of the Smart-
X
Key ( page 93).
Y
Insert the mechanical key as far as it will go
X
into opening : in the protective cap.
Pull and hold the door handle.
X
Pull the protective cap on the mechanical
X
key as straight as possible away from the
vehicle until it releases.
Release the door handle.
X
Doors
99
page 97).
Y
Z