qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
Switching Adaptive Highbeam Assist on/
off
This
function is only available on vehicles with
the Intelligent Light System.
X Press the =
or ; button on the steer-
ing wheel to select the Settings menu.
X Press the :
or 9 button to select the
Lights submenu.
X Press a to confirm.
X Press the :
or 9 button to select the
Adapt. main beam function.
If the Adapt. main beam function has
been switched on, the cone of light and the
_ symbol in the multifunction display
are shown in orange.
X Press the a button to save the setting.
For further information about Adaptive High-
beam Assist, see ( Y page 110).
Setting the brightness of the ambient
lighting
X Press the =
or ; button on the steer-
ing wheel to select the Settings menu.
X Press the :
or 9 button to select the
Lights submenu.
X Press a to confirm.
X Press the :
or 9 button to select the
Amb. light +/- function.
You will see the selected setting.
X Press a to confirm.
X Press the :
or 9 button to adjust the
brightness to any level from Off toLevel
5 (bright).
X Press the a or %
button to save the
setting.
Activating/deactivating the surround
lighting and exterior lighting delayed
switch-off
If you have activated the Surround light‐
ing function and the light switch is set to Ã, the following functions are activated
when it is dark:
R
surround lighting: the exterior lighting
remains lit for 40 seconds after unlocking
with the key. If you start the engine, the
surround lighting is switched off and auto-
matic headlamp mode is activated
(Y page 105).
R exterior lighting delayed switch-off: the
exterior lighting remains lit for
60
seconds after the engine is switched off.
If you close all the doors and the tailgate,
the exterior lighting goes off after
15 seconds.
X Press the =
or ; button on the steer-
ing wheel to select the Settings menu.
X Press the :
or 9 button to select the
Lights submenu.
X Press a to confirm.
X Press the :
or 9 button to select the
Surround lighting function.
When the Surround lighting function is
activated, the light cone and the area
around the vehicle are displayed in orange
in the multifunction display.
X Press the a button to save the setting.
Deactivating delayed switch-off of the exte-
rior lighting temporarily:
X Before leaving the vehicle, turn the key to
position 0 in the ignition lock.
X Turn the key to position 2 in the ignition
lock.
The exterior lighting delayed switch-off is
deactivated.
Delayed switch-off of the exterior lighting is
reactivated the next time you start the
engine.
i Depending on your vehicle's equipment,
when the surround lighting and delayed
switch-off exterior lighting are on, the fol-
lowing light up:
R side lamps
R foglamps222
Menus and submenus
On-board computer and displays
Display messages Possible causes/consequences and
M SolutionsAdaptive Main-beam
Assist inoperative Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop. Adaptive Main-beam
Assist currently
unavailable See
Owner's Manual Adaptive Highbeam Assist is deactivated and temporarily inoper-
ative. Possible causes:
R
the windscreen is dirty in the camera's field of vision.
R visibility is impaired due to heavy rain, snow or fog.
X Clean the windscreen.
If the system detects that the camera is fully operational again,
the Adaptive Main-beam Assist available again message
is displayed.
Adaptive Highbeam Assist is operational again. Engine
Display messages Possible causes/consequences and
M Solutions+
Top
up coolant See
Owner's Manual The coolant level is too low.
!
Avoid
making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
X Top up the coolant, observing the warning notes before doing
so (Y page 288).
X If the coolant needs topping up more often than usual, have the
engine coolant system checked at a qualified specialist work-
shop. ? The fan motor is faulty.
X
If the coolant temperature is below 120 †, you can continue
driving to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-start traffic. Display messages
243
On-board computer and displays Z
