If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked
automatically.
To unlock the fuel filler flap: insert the
X
SmartKey into the ignition lock.
Removing the mechanical key
Push release catch : in the direction of
X
the arrow and at the same time remove
mechanical key ; from the SmartKey.
For further information about:
unlocking the driver's door (
R
unlocking the trunk (
R
locking the vehicle (
R
Inserting the mechanical key
Push mechanical key ; completely into
X
the SmartKey until it engages and release
catch : is back in its basic position.
Push mechanical key ; completely into
the SmartKey until it engages and the
release catch is back in its basic position.
page 90)
Y
page 96)
Y
page 90)
Y
SmartKey battery
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.
Mercedes-Benz recommends that you have
the batteries replaced at a qualified specialist
workshop.
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/Hazard-
ousWaste/Perchlorate/index.cfm.
Checking the battery
Press the & or % button.
X
The battery is working properly if battery
check lamp : lights up briefly.
The battery is discharged if battery check
lamp : does not light up briefly.
Change the battery (
X
If the SmartKey battery is checked within the
signal reception range of the vehicle, pressing
the & or % button:
locks or
R
unlocks the vehicle
R
SmartKey
page 86).
Y
Z
85