2025-2026 Mercedes CLA 4 Door Light and visibility -> Exterior lighting User Manual
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Light and visibility -> Exterior lighting for Your Mercedes CLA 4 Door Third Generation (2025-2026)

Exterior lighting
Information about lighting systems and your
responsibility
The various lighting systems of the vehicle are
only aids. The driver of the vehicle is responsible
for correct vehicle illumination in accordance with
the prevailing light and visibility conditions, legal
requirements and trac situation.
Light switch
▌Operating the light switch
1
W Le-hand parking lights
2
X Right-hand parking lights
3
T Standing lights and license plate lamp
4
à Automatic driving lights (preferred light
switch position)
5
L Low beam / high beam
6
R Switches the rear fog light on/o.
When low beam is activated, the T indicator
lamp for the standing lights will be deactivated
and replaced by the L low-beam indicator
lamp.
#
Always park your vehicle safely using sucient
lighting, in accordance with the relevant legal
stipulations.
*
NOTE Battery discharging by operating the
parking lamps
Do not have the parking lamps switched on
over a period of several hours.
If the battery is insuciently charged, the stand-
ing lights or parking lights will be switched o
automatically to facilitate the next engine start.
The exterior lighting (except standing and parking
lights) will switch o automatically when the driv-
er's door is opened.
R
Observe the notes on locator lighting
(/ page 124).
120
Light and visibility
▌Automatic driving lights function
When the vehicle is switched on, the side lamps,
low beam and daytime running lights will be
switched on automatically depending on the ambi-
ent light.
&
WARNING Risk of accident when the low
beam is switched o in poor visibility
When the light switch is set to Ã, the low
beam may not be switched on automatically if
there is fog, snow or other causes of poor visi-
bility such as spray.
#
In such cases, turn the light switch to
L.
The automatic driving lights are only an aid. You
are responsible for the vehicle lighting.
▌Switching the rear fog light on/o
Requirements
R
The light switch is in the L or à posi-
tion.
#
Press button R.
Please observe the country-specic laws on the
use of rear fog lamps.
Operating the combination switch for the lights
1
High beam
2
Turn signal light, right
3
Headlamp ashing
4
Turn signal light, le
#
Use the combination switch to select the
desired function.
Switching on high beam
#
Turn the light switch to the L or Ã
position.
#
Push the combination switch in the direction
of arrow 1.
When high beam is activated, the indicator
lamp for low beam L will be deactivated
and replaced by the indicator lamp for high
beam K.
Switching o high beam
#
Push the combination switch in the direction
of arrow 1 or pull it in the direction of arrow
3.
Headlamp ashing
#
Pull the combination switch in the direction of
arrow
3.
Light and visibility
121
Turn signals
#
To indicate briey: push the combination
switch briey to the point of resistance in the
direction of arrow 2 or 4.
The corresponding turn signal light will ash
three times.
#
To indicate permanently: push the combina-
tion switch beyond the point of resistance in
the direction of arrow 2 or 4.
Activating/deactivating the hazard warning lights
#
Press button 1.
The hazard warning lights will switch on automati-
cally if:
R
the air bag has been deployed.
Cornering light
▌Cornering light function
The cornering light improves the illumination of
the road over a wide angle in the turning direc-
tion, enabling better visibility on tight bends, for
example. The cornering light will be activated only
when low beam is switched on.
The function will be active in the following cases:
R
At speeds below 25 mph (40 km/h) when the
turn signal light is switched on or the steering
wheel is turned
122
Light and visibility
R
At speeds between 25 mph (40 km/h) and
43 mph (70 km/h) and when the steering
wheel is turned
Active headlamps
▌Active headlamps function
R
The headlamps will follow your steering move-
ments.
R
Relevant areas will be better illuminated during
a journey.
The functions will be active when high beam is
switched on.
Adaptive Highbeam Assist
▌Adaptive Highbeam Assist function
&
WARNING Risk of accident despite Adap-
tive Highbeam Assist
Adaptive Highbeam Assist does not react to:
R
Road users without lights, e.g. pedestrians
R
Road users with poor lighting, e.g. cyclists
R
Road users whose lighting is obstructed,
e.g. by a barrier
On very rare occasions, Adaptive Highbeam
Assist may fail to recognize other road users
with their own lighting, or may recognize them
too late.
In these, or in similar situations, the automatic
high beam will not be deactivated or will be
activated despite the presence of other road
users.
#
Always observe the road and trac con-
ditions carefully and switch o the high
beam in good time.
Adaptive Highbeam Assist cannot take into
account road, weather or trac conditions.
Detection may be restricted in the following
cases:
R
In poor visibility, e.g. fog, heavy rain or snow
R
if there is dirt on the sensors or the sensors
are obscured
Adaptive Highbeam Assist is only an aid. You are
responsible for adjusting the vehicle's lighting to
the prevailing light, visibility and trac conditions.
%
Adaptive Highbeam Assist is an on-demand
feature (/ page 21).
Light and visibility
123
Adaptive Highbeam Assist automatically switches
between the following types of light:
R
Low-beam headlamps
R
High beam
At speeds greater than 19 mph (30 km/h):
R
If no other road users are detected, high beam
will switch on automatically.
High beam will switch o automatically in the fol-
lowing cases:
R
At speeds below 16 mph (25 km/h)
R
If other road users are detected
R
If street lighting is sucient
%
The system's optical sensor is located behind
the windshield near the overhead control
panel.
▌Switching Adaptive Highbeam Assist on/o
Switching on
#
Turn the light switch to the à position.
#
Switch on high beam using the combination
switch.
If Adaptive Highbeam Assist is activated,
the _ indicator lamp will light up on the
driver's display.
Switching o
#
Switch o high beam using the combination
switch.
Setting the exterior lighting switch-o delay time
Multimedia system:
4
©
5
Settings
5
Light
5
Interior/Exterior Lighting
5
External Lighting Delay
#
Set a switch-o delay time.
When the vehicle's engine is switched o, the
exterior lighting will be activated for the set
time.
Switching locator lighting on/o
Multimedia system:
4
©
5
Settings
5
Light
5
Interior/Exterior Lighting
#
Activate or deactivate Locator Lighting.
When the function is activated, the exterior light-
ing will light up for 40 seconds aer the vehicle is
unlocked or the driver's door is opened when the
vehicle is parked and not locked. When you start
the vehicle, the locator lighting is switched o and
automatic driving lights are activated.
124
Light and visibility

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