X
Confirm by pressing aon the steering
wheel.
X Press :or9 to select the Head-up
Head-up
display
display submenu.
X Press ato confirm.
X Select Display content
Display content with: or
9.
X Press ato confirm.
A graphic selection list appears.
X Press :or9 to select the desired
display.
X Press the abutton to confirm the selec-
tion.
Further information on navigation can be
found in the separate Audio 20 or COMAND
Online operating instructions.
Further information about Traffic Sign Assist
(Y page 274).
Setting the position
You can adjust the position of the head-up
display on the windscreen. You can compen-
sate for height differences if the seat posi-
tions are changed, for example.
X Switch on the head-up display
(Y page 316).
X Press òon the steering wheel to open
the menu list.
X Press :or9 on the steering wheel
to select the Settings
Settings menu.
X Confirm by pressing aon the steering
wheel.
X Use : or9 to select the Head-up
Head-up
display
display submenu.
X Press ato confirm.
X Using :or9, select the Position Position
function.
X Press ato save the setting.
X Press :or9 to adjust the position
to a level from Level +5
Level +5toLevel -5
Level -5.
X Press aor% to save the setting.
Using the Memory function, you can save and call up the set position of the head-up display
as a single memory preset (Y page 134).Adjusting the brightness
The brightness of the head-up display is auto-
matically adjusted to the surrounding light
conditions. You can also individually adjust
the brightness of the head-up display.
X Switch on the head-up display
(Y page 316).
X Press òon the steering wheel to open
the menu list.
X Press :or9 on the steering wheel
to select the Settings
Settings menu.
X Confirm by pressing aon the steering
wheel.
X Use : or9 to select the Head-up
Head-up
display display submenu.
X Press ato confirm.
X Using :or9, select the Bright‐
Bright‐
ness
ness function.
X Press the abutton to save the setting.
X Press :or9 to adjust the bright-
ness to a level from Level +5
Level +5(bright) to
Level -5
Level -5 (dark).
X Press the aor% button to save the
setting.
Light submenu Switching the Intelligent Light System
on/off
X Press òon the steering wheel to open
the menu list.
X Press :or9 on the steering wheel
to select the Settings Settingsmenu.
X Confirm by pressing aon the steering
wheel.
X Press :or9 to select the Lights Lights
submenu.
X Press ato confirm.
X Using :or9, select the Intelli‐ Intelli‐
gent Light System
gent Light System function.
If the Intelligent Light System Intelligent Light System func-
tion has been switched on, the cone of light Menus and submenus
331On-board computer and displays Z
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions !
N
The yellow ABS warning lamp is lit while the engine is running.
PLUG-IN HYBRID vehicles: the yellow ABS warning lamp is shown in the READY
driving status.
ABS (Anti-lock Braking System) has been deactivated due to a fault. Therefore BAS (Brake Assist System), BAS PLUS with Cross-Traffic Assist, COLLISION
PREVENTION ASSIST PLUS, ESP ®
(Electronic Stability Program), PRE‑SAFE ®
,
PRE‑SAFE ®
PLUS, PRE‑SAFE ®
Brake, the HOLD function, Hill Start Assist,
ESP ®
trailer stabilisation, Crosswind Assist, adaptive brake lights, STEER
CONTROL, Active Lane Keeping Assist and Active Blind Spot Assist are also
deactivated.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions
listed above. The wheels could therefore lock if you brake hard, for example.
The steerability and braking characteristics may be severely affected. The
braking distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Consult a qualified specialist workshop immediately.
If the ABS control unit is faulty, there is also a possibility that other systems,
such as the navigation system or the automatic transmission, will be unavail- able. Warning and indicator lamps in the instrument cluster
379On-board computer and displays Z
