Mercedes-Benz S-Class, Operator'S Manual

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driver's door, only the driver's door and fuel
filler flap are unlocked.
Deactivating the SmartKey functions
Vehicles with KEYLESS-GO: Deactivate the
SmartKey functions to protect your vehicle from
unauthorized access. This can be useful when
you park your vehicle on busy streets or in park‐
ing spaces not in plain view, for example. You
must reactivate the key functions to use KEY‐
LESS-GO again.
If you do not use the vehicle or a SmartKey for
an extended period of time, you can reduce the
energy consumption of the respective SmartKey.
To do so, deactivate the SmartKey functions.
#
To deactivate: press the s button on the
SmartKey twice in quick succession.
The SmartKey indicator lamp flashes twice
briefly and lights up once.
#
To activate: press any button on the Smart‐
Key.
% When the vehicle is started with the Smart‐
Key in the marked space of the center con‐
sole, the SmartKey functions are automati‐
cally activated (
/
page 188).
Removing/inserting the emergency key
Removing the emergency key
#
Press release button 1 .
Emergency key 2 is pushed out slightly.
#
Fully remove emergency key 2 .
Inserting the emergency key
#
Insert emergency key 2 at marking 3 until
it engages.
% You can use emergency key 2 to attach the
SmartKey to a key ring.
Replacing the SmartKey battery
& DANGER Risk of fatal injuries due to
swallowing batteries
Batteries contain toxic and corrosive sub‐
stances. Swallowing batteries may cause
Opening and closing 77