2016 MERCEDES-BENZ GLA sensor

The SmartKey centrally locks/unlocks: R
the doors R
the tailgate R
the fuel filler flap
The turn signals flash once when unlocking
and three times when locking.
When the locator lighting is activated in Audio
20/COMAND, it also lights up when it is dark
after the vehicle is unlocked with the remote
control (see the separate operating instruc-
tions).
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
signal can be activated and deactivated using
the on-board computer ( Y
page 230).X
To open the tailgate automatically from
outside the vehicle: press and hold button
T until the tailgate opens ( Y
page 87).
Vehicles with KEYLESS-GO or KEYLESS-
GO start function: X
To close the tailgate automatically from
outside the vehicle: if the key is located in
the immediate vicinity of the vehicle, press
the T button on the key ( Y
page 87).
When the tailgate closes you can then
release the button.
KEYLESS-GO
General notes
Bear in mind that the engine can be started by
any of the vehicle occupants if there is a
SmartKey in the vehicle.
Locking and unlocking
You can start, lock or unlock the vehicle using
KEYLESS-GO. To do this, you only need carry
the SmartKey with you. You can combine the
functions of KEYLESS-GO with those of a con-
ventional SmartKey. Unlock the vehicle by
using KEYLESS-GO, for instance, and lock it
using the 7 button on the SmartKey. The driver's door and the door at which the
handle is used, must both be closed. The
SmartKey must be outside the vehicle. When
locking or unlocking with KEYLESS-GO, the
distance between the SmartKey and the cor-
responding door handle must not be greater
than 3 ft (1 m).
A check which periodically establishes a radio
connection between the vehicle and the
SmartKey determines whether a valid Smart-
Key is in the vehicle. This occurs, for example: R
when starting the engine R
whilst driving R
when the external door handles are
touched R
during convenience closing
X
To unlock the vehicle: touch the inner
surface of the door handle. X
To lock the vehicle: touch sensor sur-
face C or D .
Make sure that you do not touch the inner
surface of the door handle. X
Convenience closing feature: touch
recessed sensor surface D for an exten-
ded period.
Further information on the convenience
closing feature ( Y
page 92).SmartKey 77
Opening and closing Z

X
To unlock the tailgate: pull tailgate han-
dle C .
Deactivating and activating If you do not intend to use the vehicle for a
longer period of time, you can deactivate KEY-
LESS-GO. The SmartKey will then use very lit-
tle power, thereby conserving battery power.
For the purposes of activation/deactivation,
the vehicle must not be nearby. X
To deactivate: press the 7 button on
the SmartKey twice in rapid succession.
The battery check lamp of the SmartKey
flashes twice briefly and lights up once,
then KEYLESS-GO is deactivated
( Y
page 80). X
To activate: press any button on the
SmartKey.
or X
Insert the SmartKey into the ignition lock.
KEYLESS-GO and all of its associated fea-
tures are available again.
KEYLESS-GO start function
General notes
Bear in mind that the engine can be started by
any of the vehicle occupants if there is a
SmartKey in the vehicle. Changing the settings of the locking
system You can change the settings of the locking
system. This means that only the driver's door
and the fuel filler flap are unlocked when the
vehicle is unlocked. This is useful if you fre-
quently travel on your own. X
To change the setting: press and hold the
6 and 7 buttons simultaneously for
approximately six seconds until the battery
indicator lamp flashes twice ( Y
page 80).
If the setting of the locking system is changed
within the signal range of the vehicle, press-
ing the 7 or 6 button: R
locks or R
unlocks the vehicle
The SmartKey now functions as follows: X
To unlock: press the 6 button once.X
To unlock centrally: press the 6 but-
ton twice. X
To lock centrally: press the 7 button.
The KEYLESS-GO function is changed as fol-
lows: X
To unlock the driver's door: touch the
inner surface of the door handle on the
driver's door. X
To unlock centrally: touch the inner sur-
face of the door handle on the front-
passenger door or the rear door. X
To lock centrally: touch the outer sensor
surface on one of the door handles. X
To restore the factory settings: press
and hold the 6 and 7 buttons simul-
taneously for app roximately six seconds
u
ntil the battery check lamp flashes twice
( Y
page 80).78
SmartKey
Opening and closing

Convenience closing feature
Important safety notes
G WARNING
When the convenience closing feature is oper-
ating, parts of the body could become trapped
in the closing area of the side window and the
sliding sunroof. There is a risk of injury.
Observe the complete closing procedure
when the convenience closing feature is oper-
ating. Make sure that no body parts are in
close proximity during the closing procedure.
Vehicles with KEYLESS-GO, the KEYLESS-
GO start function, Exclusive Package or
AMG Exclusive Package: at the same time
you can: R
lock the vehicle R
close the side windows R
close the panorama roof with power tilt/
sliding panel
On vehicles with a panorama roof with power
tilt/sliding panel, you can then close the
roller sunblind.
i Notes on the automatic reversing feature
for: R
the side window ( Y
page 90)R
the panorama roof with power tilt/slid-
ing panel ( Y
page 95)R
the roller sunblind ( Y
page 97)
Using the SmartKey X
Vehicles with Exclusive Package or
AMG Exclusive Package but without
KEYLESS-GO and the KEYLESS-GO start
function: for the following operations,
point the tip of the SmartKey at the door
handle on the driver's door. The SmartKey
must be close to the driver's door handle.
i Vehicles with KEYLESS-GO or the KEY-
LESS-GO start function: the SmartKey
must be in close proximity to the vehicle. X
Press and hold the 7 button until the
side windows and the panorama roof with
power tilt/sliding panel are fully closed. X
Make sure that all the side windows and the
panorama roof with power tilt/sliding
panel are closed.
On vehicles with a panorama roof with power
tilt/sliding panel: X
Press and hold the 7 button again until
the roller sunblind of the panorama roof
with power tilt/sliding panel closes. X
To interrupt convenience closing:
release the 7 button.
Using KEYLESS-GO The driver's door and the door at which the
handle is used, must both be closed. The
SmartKey must be outside the vehicle. The
gap between the SmartKey and the corre-
sponding door handle should not be greater
than 3 ft (1 m).
X
Touch recessed sensor surface C on the
door handle until the side windows and the
panorama roof with power tilt/sliding
panel are fully closed.
i Make sure you only touch recessed sen-
sor surface C . X
Make sure that all the side windows are
closed. X
Make sure that all the side windows and the
panorama roof with power tilt/sliding
panel are closed.92
Side windows
Opening and closing

On vehicles with a panorama roof with power
tilt/sliding panel: X
Touch recessed sensor surface C on the
door handle again until the roller sunblind
of the panorama sliding sunroof closes. X
To interrupt convenience closing:
release recessed sensor surface C on the
door handle.
Resetting the side windows If a side window can no longer be closed fully,
you must reset it. X
Close all the doors. X
Turn the SmartKey to position 1 or 2 in the
ignition lock ( Y
page 149).X
Pull the corresponding switch on the door
control panel until the side window is com-
pletely closed ( Y
page 91).X
Hold the switch for an additional second.
If the side window opens again slightly: X
Immediately pull the corresponding switch
on the door control panel until the side win-
dow is completely closed ( Y
page 91).X
Hold the switch for an additional second. X
If the respective side window remains
closed after the button is released, then it
has been set correctly. If this is not the
case, repeat the steps above again. Side windows 93
Opening and closing Z

X
Turn the SmartKey to position 1 or 2 in the
ignition lock ( Y
page 149).X
Press or pull the W switch in the corre-
sponding direction.
If you press/pull the W switch beyond the
point of resistance, automatic operation is
started in the corresponding direction. You
can stop automatic operation by pressing/
pulling the switch again.
After opening the sliding sunroof, the roller
sunblind closes slightly automatically. This
reduces drafts in the vehicle interior.
If the sliding sunroof is raised at the rear, it
lowers slightly automatically at higher
speeds. The noise level in the vehicle interior
is reduced as a result.
At low speeds it raises again automatically.
You can also temporarily deactivate auto-
matic lowering. To do so, press the W
switch. The sliding sunroof raises again auto-
matically.
You can continue to operate the sliding sun-
roof after switching off the engine or remov-
ing the SmartKey from the ignition lock. This
function remains active for five minutes or
until you open a front door.
The sliding sunroof cannot be opened if a roof
carrier is installed. In order to allow ventila-
tion of the vehicle interior, you can raise the
sliding sunroof.
If contact is made with a roof carrier approved
by Mercedes-Benz, the sliding sunroof lowers
slightly but remains raised at the rear.
Rain-closing feature
The rain-closing feature is only available for
vehicles with a rain sensor.
When the SmartKey is in position 0 in the
ignition lock or is removed, the sliding sunroof
closes automatically: R
if it starts to rain. R
at extreme outside temperatures. R
after six hours. R
if there is a malfunction in the power sup-
ply.
The panorama roof with power tilt/sliding
panel remains raised at the rear in order to
allow ventilation of the vehicle interior.
If the panorama roof with power tilt/sliding
panel is obstructed while being closed by the
rain-closing feature, it opens again slightly.
The rain-closing feature is then deactivated.
The panorama roof with power tilt/sliding
panel does not close if: R
it is raised at the rear. R
it is blocked. R
no rain is falling on the area of the wind-
shield being monitored by the rain sensor.
If the vehicle is under a bridge or in a car-
port, for example, the field of the sensor
may be covered.
Operating the roller sunblind for the
panorama roof with power tilt/sliding
panel
Important safety notes
G WARNING
Parts of the body could become trapped
between the roller sunblind and frame or slid-
ing sunroof during automatic opening or clos-
ing. There is a risk of injury.
When opening or closing, make sure that no
body parts are in the sweep of the roller sun-
blind.
If somebody becomes trapped: R
release the switch immediately, or R
during automatic operation, push the
switch briefly in any direction
The opening or closing procedure will be stop-
ped.
The roller sunblind shields the vehicle interior
from sunlight. The roller sunblind can only be
opened and closed when the panorama roof
with power tilt/sliding panel is closed.96
Panorama roof with power tilt/sliding panel
Opening and closing

The rear-view mirror and the exterior mirror
on the driver's side automatically go into anti-
glare mode if: R
the ignition is switched on and R
incident light from headlamps strikes the
sensor in the rear-view mirror
The mirrors do not go into anti-glare mode if
reverse gear is engaged or the interior lighting
is switched on.
Parking position for the exterior mir-
ror on the front-passenger side
General notes The "Parking position of the exterior mirror on
the front-passenger side" function is only
available if the vehicle is equipped with the
"Mirrors package".
Setting and storing the parking position You can position the front-passenger side
exterior mirror in such a way that you can see
the rear wheel on that side as soon as you
engage reverse gear. You can store this posi-
tion.
Using reverse gear
C
Button for the driver's side exterior mirrorD
Button for the front-passenger side exte-
rior mirror

Useful information
i This Operator's Manual describes all
models and all standard and optional equip-
ment of your vehicle available at the time of
publication of the Operator's Manual.
Country-specific differences are possible.
Please note that your vehicle may not be
equipped with all features described. This
also applies to safety-related systems and
functions.
i Read the information on qualified special-
ist workshops ( Y
page 25).
Exterior lighting
General notesFor reasons of safety, Mercedes-Benz recom-
mends that you drive with the lights switched
on even during the daytime. In some coun-
tries, operation of the headlamps varies due
to legal requirements and self-imposed obli-
gations.
Setting the exterior lighting
Setting options
Exterior lighting can be set using the: R
light switch R
combination switch ( Y
page 118)R
on-board computer ( Y
page 230) Light switch Operation
G c
Left-hand standing lampsH d
Right-hand standing lampsI `
Parking lamps, license plate and
instrument cluster lightingJ X
Automatic headlamp mode, control-
led by the light sensorK X
Low-beam/high-beam headlamps

matically depending on the brightness of
the ambient light. R
With the engine running: if you have acti-
vated the daytime running lamps function
via the on-board computer, the daytime
running lamps or the parking lamps and the
low-beam headlamps are switched on or off
automatically depending on the brightness
of the ambient light. X
To switch on the automatic headlamp
mode: turn the light switch to the X
position.
G WARNING
When the light switch is set to X , the low-
beam headlamps may not be switched on
automatically if there is fog, snow or other
causes of poor visibility due to the weather
conditions such as spray. There is a risk of an
accident.
In such situations, turn the light switch to
X .
The automatic headlamp feature is only an
aid. The driver is responsible for the vehicle's
lighting at all times.
Canada only:
The daytime running lamps improve the visi-
bility of your vehicle during the day. The day-
time running lamps function is required by law
in Canada. It cannot therefore be deactivated.
When the engine is running and the vehicle is
stationary: if you move the selector lever from
a drive position to P , the daytime running
lamps/low-beam headlamps go out after
three minutes.
When the engine is running, the vehicle is
stationary and in bright ambient light: if you
turn the light switch to the ` position, the
daytime running lamps and parking lamps
turn on.
If the engine is running and you turn the light
switch to the X position, the manual set-
tings take precedence over the daytime run-
ning lamps.
USA only: The daytime running lamps improve the visi-
bility of your vehicle during the day. To do this,
the daytime running lamps function must be
switched on using the on-board computer
( Y
page 230).
If the engine is running and you turn the light
switch to the ` or X position, the man-
ual settings take precedence over the day-
time running lamps.
Low-beam headlamps
Even if the light sensor does not detect that it
is dark, the parking lamps and low-beam
headlamps switch on when the ignition is
switched on and the light switch is set to the
X position. This is a pa rticularly useful
fu nction in the event of rain and fog. X
To switch on the low-beam headlamps:
turn the SmartKey in the ignition lock to
position 2 or start the engine. X
Turn the light switch to X .
The green X indicator lamp in the instru-
ment cluster lights up.
Front fog lamps
In conditions where visibility is poor due to
fog, snow or rain, the fog lamps improve vis-
ibility as well as making it easier for other road
users to see you. They can be operated
together with the parking lamps or together
with the parking lamps and low-beam head-
lamps. X
To switch on the fog lamps: turn the key
in the ignition lock to position 2 or start the
engine. X
Turn the light switch to X or X .X
Press the Z button.
The green Z indicator lamp in the instru-
ment cluster lights up. X
To switch off the fog lamps: press the
Z button.
The green Z indicator lamp in the instru-
ment cluster goes out. Exterior lighting 117
Lights and windshield wipers Z