The KEYLESS-GO function is changed as fol-
lows:
X
To unlock the driver's door: touch the
inner surface of the door handle on the driv-
er's door.
X
To unlock centrally: touch the inner sur-
face of the driver or front-passenger door
handle.
X
To lock centrally: touch the outer sensor
surface on one of the door handles.
X
To restore the factory settings: press and
hold down the
%
and
&
buttons
simultaneously for approximately six sec-
onds until the battery check lamp
(
Y
page 77) flashes twice.
Mechanical key
General notes
If the vehicle can no longer be locked or
unlocked with the SmartKey or with KEYLESS-
GO, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door or the trunk lid, the
anti-theft alarm system will be triggered.
Switch off the alarm (
Y
page 72).
Removing the mechanical key
X
Push release catch
:
in the direction of the
arrow and at the same time remove
mechanical key
;
from the SmartKey.
For further information about:
R
unlocking the driver's door (
Y
page 81)
R
unlocking the trunk (
Y
page 86)
R
locking the vehicle (
Y
page 81)
Inserting the mechanical key
X
Push mechanical key
;
completely into the
SmartKey until it engages and release
catch
:
is back in its basic position.
SmartKey battery
Important safety notes
G
WARNING
Batteries contain toxic and corrosive sub-
stances. If batteries are swallowed, it can
result in severe health problems. There is a
risk of fatal injury.
Keep batteries out of the reach of children.
If a battery is swallowed, seek medical
attention immediately.
H
Environmental note
Batteries contain pollutants.
It is illegal to dispose of
them with the household
rubbish. They must be col-
lected separately and dis-
posed of in an environmen-
tally responsible recycling
system.
Dispose of batteries in an
environmentally responsible
manner. Take discharged
batteries to a qualified spe-
cialist workshop or to a col-
lection point for used bat-
teries.
The SmartKey batteries contain perchlorate
material, which may require special handling
and regard for the environment. National
guidelines must be observed during disposal.
In California, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/index.cfm.
Mercedes-Benz recommends that you have
the batteries replaced at a qualified specialist
workshop.
76
SmartKey
Opening
and
clo
sing
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