2017 MERCEDES-BENZ SLC child lock

cle from rolling away by applying the parking
brake. X
Appl yt he electri cp ar king brake.X
Shif tt he transmission to position P
( Y
page 123).X
With the SmartKey: turn the SmartKey to
position 0 in the ignition lock and remove it.
The immobilizer is activated. X
With KEYLESS-GO: press the KEYLESS-GO
Start/Stop button ( Y
page 115).
The engine stop sa nd al lt he indicator lamps in
the instrument cluster go out.
Whe nt he driver' sd oo risc losed, this corre-
sponds to SmartKey position 1 .W he nt he
driver' sd oo riso pen, this corresponds to
SmartKey position 0 ( Y
page 115).
The engine can be switched off while the vehicle
is in motio nb yp ressing and holding the Start/
Stop button for abou tt hree seconds. Thi sf unc-
tion operate si ndependently of the ECO start/
stop automatic engine switch-off function.
Electric parkin gb rake
General notes
G WARNING
If yo ul ea ve childre nu nsupervised in the vehi-
cle ,t hey could set it in motio nb y, for example:R
release the parking brake. R
shift the automatic transmission ou toft he
parking position P .R
star tt he engine.
In addition, they may operate vehicle equip-
ment and become trapped .T here is ar is ko f
an accident and injury.
Whe nl ea ving the vehicle ,a lway st ake the
SmartKey with yo ua nd lock the vehicle .N ever
leave childre nu nsupervised in the vehicle. The function of the electri cp ar king brake is
dependent on the on-board voltage .Ift he on-
board voltage is low or there is am alfunction in
the system, it may not be possible to appl yt he
released parking brake. X
If this is the case ,o nly park the vehicle on
level ground and secure it to prevent it rolling
away. X
Shif tt he automatic transmission to position
P .
It may not be possible to release an applied
parking brake if the on-board voltage is low or
there is am alfunction in the system. Contact a
qualified specialist workshop.
The electri cp ar king brake performs af unction
test at regula ri nterval sw hile the engine is
switched off. The sounds that can be heard while
this is occurring are normal.
Applyin gorr eleasin gm anually
X
To engage: push handle C .
Whe nt he electri cp ar king brake is engaged,
the I (USA only )o r $ (Canada only)
red indicator lamp lights up in the instrument
cluster.
The electri cp ar king brake can also be applied
whe nt he SmartKey is removed. X
To release: pull handle C .
The red I (USA only )o r $ (Canada
only )i ndicator lamp in the instrument cluster
goe so ut .
The electri cp ar king brake can only be released: R
if the SmartKey is in position 1 in the ignition
lock ( Y
page 115) or R
if the ignition wa ss witched on using the
Start/Stop button132
Parking
Drivin ga nd parking

X
Press the Y or e button on the steering
wheel to select the Sett. menu.X
Press the d or c button to select the
Vehicle submenu.X
Press v to confirm.X
Press the d or c button to select the
Automatic Door Lock function.
When the Automatic Door Lock function is
activated, the multifunction display shows the
left-hand vehicle door in orange. X
Press the v button to save the setting.
For further information on the automatic locking
feature, see ( Y
page 69).
Activating/deactivating the acoustic
locking verification signal If you switch on the Acoustic Lock function, an
acoustic signal sounds when you lock the vehi-
cle. X
Press the Y or e button on the steering
wheel to select the Sett. menu.X
Press the d or c button to select the
Vehicle submenu.X
Press v to confirm.X
Press the d or c button to select the
Acoustic Lock function.
If the Acoustic Lock function is activated,
the 7 symbol in the multifunction display
lights up orange. X
Press the v button to save the setting.
Convenience
Activating/deactivating the EASY-
ENTRY/EXI Tf eature
G WARNING
When the EASY-ENTRY/EXIT feature adjusts
the steerin gw heel, you and other vehicle
occupant s–p articularly children –c ould
become trapped. There is ar isk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the steering
wheel. If somebody becomes trapped: R
press one of the memory function position
buttons, or R
move the switch for steerin gw heel adjust-
ment in the opposite direction to that in
which the steerin gw heel is moving.
The adjustmen tp rocess is stopped. X
Press the Y or e button on the steering
wheel to select the Sett. menu.X
Press the d or c button to select the
Convenience submenu. X
Press v to confirm. X
Using d or c ,s elect the Easy Entry/
Exit function.
If the Easy Entry/Exit function is activated,
the multifunction display shows the steering
wheel in orange. X
Press the v button to save the setting.
Further information on the EASY-ENTRY/EXIT
feature ( Y
page 87).
Switching the belt adjustment on/off X
Press the Y or e button on the steering
wheel to select the Sett. menu.X
Press the d or c button to select the
Convenience submenu. X
Press v to confirm. X
Press the d or c button to select the
Belt Adjustment function.
When the Belt Adjustment function is acti-
vated, the seat belt is displayed in orange in
the multifunction display. X
Press the v button to save the setting.
For further information on belt adjustment, see
( Y
page 41).
Switching the fold-in mirrors when lock-
ing feature on/off
This function is only availabl ew hen the vehicle is
equipped with the electrical fold-in function.
This function is only availabl einC anada.
When you activat et he Auto. Mirror Folding
function, the exterior mirrors are folded in when
the vehicle is locked.
If you have switched on the Auto. Mirror
Folding function and you fold in the exterior
mirrors using the button on the door
( Y
page 89), they will not fold out automatically.174
Menus and submenus
On-board computer and displays

The vehicle will then use very little energy, thus
conserving battery power.
If the power supply has been interrupted, e.g. if
you reconnect the battery, you will have to: R
reset the function for automatically folding
the exterior mirrors in/out by folding the mir-
rors out once ( Y
page 89)R
set the clock (see the Digital Operator's Man-
ual)
On vehicles with am ultimedia system, the
time is set automatically.
Charging the battery
G WARNING
During charging and jump-starting, explosive
gases can escape from the battery. There is a
risk of an explosion.
Particularly avoid fire, open flames, creating
sparks and smoking. Ensure there is sufficient
ventilation while charging and jump-starting.
Do not lean over ab attery.
G WARNING
Battery acid is caustic. There is ar isk of injury.
Avoid contact with skin, eyes or clothing. Do
not inhale any battery gases. Do not lean over
the battery. Keep children away from batter-
ies. Wash away battery acid immediately with
plenty of clean water and seek medical atten-
tion.
G WARNING
Ad ischarged battery can freeze at tempera-
tures below freezin gp oint. When jump-start-
ing the vehicle or charging the battery, gases
can escape from the battery. There is ar isk of
an explosion.
Allow the frozen battery to thaw out before
charging it or jump-starting.
! Only use battery chargers with am aximum
charging voltage of 14.8 V.
! Only charge the battery using the jump-
starting connection point.
The jump-starting connection point is in the
engine compartment. If the indicator/warning lamps do not light up at
low temperatures, it is very likely that the dis-
charged battery has frozen. In this case, you
may neither charge the battery nor jump-start
the vehicle. The service life of at hawed-out bat-
tery may be shorter .T he starting characteristics
can be impaired, particularly at low tempera-
tures. Have the thawed-out battery checked at a
qualified specialist workshop.
Read the battery charger's operating instruc-
tions before charging the battery. X
Open the hood. X
Connec tt he battery charger to the positive
terminal and ground point in the same order
as when connectin gt he donor battery in the
jump-starting procedure ( Y
page 249).248
Battery (vehicle)
Breakdown assistance