Mercedes-Benz SLC 300 2019 Operator's Manual page 70

SmartKey
68
To restore the factory settings: press and
X
hold down the % and & buttons
simultaneously for approximately six sec-
onds until the battery check lamp
( page 69) flashes twice.
Y
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 (
Removing the mechanical key
Push release catch : in the direction of the
X
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 the
X
SmartKey until it engages and release
catch : is back in its basic position.
page 64).
Y
page 73)
Y
page 74)
Y
page 73)
Y
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.