Mercedes-Benz 2005 E -Class Wagon Operator's Manual page 113

Controls in detail
Locking and unlocking
!
If you can no longer lock or unlock the
vehicle with the SmartKey with
KEYLESS-GO, then the batteries of the
SmartKey are discharged, or the
SmartKey is malfunctioning or the vehi-
cle battery is drained.
Check the batteries of the
SmartKey with KEYLESS-GO
( page 112) and replace them if
necessary ( page 408).
Use the mechanical key to unlock
the driver's door ( page 404) as
required.
Have the vehicle batteries and their
connections checked.
Use the mechanical key to lock the
doors ( page 405).
If the SmartKey with KEYLESS-GO is
malfunctioning, contact an authorized
Mercedes-Benz Center.
112
Checking the batteries
Press button ‹ or Œ.
Battery check lamp 5 comes on brief-
ly to indicate that the SmartKey batter-
ies are in order.
!
If battery check lamp 5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries ( page 408).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
i
If the batteries are checked within sig-
nal range of the vehicle, pressing the
button ‹ or Œ will lock or unlock
the vehicle accordingly.
Unlocking and opening the tailgate
A minimum height clearance of 6.76 ft
(2.06 m) is required to open the tailgate.
The handle is located in the rear license
plate recess.
You can unlock and open the tailgate sep-
arately.
Pull on the handle.
or
Press and hold button Š until the
tailgate unlocks and opens.