Mercedes-Benz E-Class Sedan Operator's Manual page 59

To deactivate: press the & button on the
#
SmartKey twice in rapid succession.
The battery check lamp of the SmartKey
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 stowage compartment of the cen‐
ter console ( page 131), the SmartKey
→
functions are automatically activated.
Inserting/removing the mechanical key
To remove: press release knob 1.
#
Mechanical key 2 is pushed out slightly.
Pull out mechanical key 2
#
the intermediate position.
% You can use the intermediate position of
mechanical key 2 to attach the SmartKey
to a key ring.
Press release knob 1 again and fully
#
remove mechanical key 2.
To insert: press release knob 1.
#
Insert mechanical key 2 to the intermediate
#
position or fully until it engages.
Replacing the SmartKey battery
& DANGER Serious damage to health
caused by swallowing batteries
Batteries contain toxic and corrosive sub‐
stances. Swallowing batteries may cause
serious damage to health.
There is a risk of fatal injury.
Keep batteries out of the reach of chil‐
#
dren.
until it engages in
If batteries are swallowed, seek medical
#
attention immediately.
+
ENVIRONMENTAL NOTE Environmental
damage caused by improper disposal of
batteries
illegal to dispose of them with the household
rubbish.
#
environmentally responsible manner.
Take discharged batteries to a qualified
specialist workshop or to a collection
point for used batteries.
Opening and closing
Batteries contain pollutants. It is
Dispose of batteries in an
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