Removing the emergency key element
X
Push release catch
:
in the direction of the
arrow and, at the same time, remove emer-
gency key element
;
from the key.
Further information about:
R
unlocking the driver's door (
Y
page 92)
R
unlocking the luggage compartment
(
Y
page 97)
R
locking the vehicle (
Y
page 93)
Inserting the emergency key element
X
Push emergency key element
;
completely
into the key until it engages and release
catch
:
is back in its basic position.
Battery of the key
Important safety notes
G
WARNING
Batteries contain toxic and corrosive substan-
ces. 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 collected sep-
arately and disposed of in an
environmentally 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 batter-
ies.
Mercedes-Benz recommends that you have the
batteries replaced at a qualified specialist work-
shop.
Checking the battery
X
Press the
&
or
%
button.
The battery is OK if battery check lamp
:
lights up briefly.
The battery is discharged if battery check
lamp
:
does not light up briefly.
X
Replace the battery (
Y
page 87).
If the key battery is checked within the signal
reception range of the vehicle, pressing the
&
or
%
button:
R
locks or
R
unlocks the vehicle
i
You can obtain a battery from any qualified
specialist workshop.
Replacing the battery
You require a CR 2025 3 V cell battery.
X
Take the emergency key element out of the
key (
Y
page 87).
Key
87
Ope
ni
ng
and
cl
os
in
g
Z