Page 257 of 457

Head-up display
Head-up display
F
F
unction of t
unction of t he head-up display
he head-up display The head-up display projects
thefo llowing into the
driver's /eld of vision:
R Information from the navigation system
R Information from the driver assistance sys-
te ms
R Some warning messages
Displa
Displa y cont
y content
ent 1
Navigation instructions
2 Current speed 3
Detected instructions and tra1c signs
4 Set speed in the driver assistance system
(e.g. Active Distance Assist DISTRONIC)
When youre ceive a call, the6 Incoming call
message will appear on the head-up displa y.
In audio mode, the station name or track will be
shown temp orarily when the audio source is being
actively operated.
Syst
Syst em limits
em limits
The visibility is in0uenced bythefo llowing condi-
tions:
R Seat position
R Image position setting
R Light conditions
R Wetro ad sur faces
R Objects on the display co ver
R Polarisation in sunglasses
% Inextreme sunlight, sections of the display
may appear washed out. You can cor rect this
by switching the head-up display o. and on
again. A
A
djus
djus ting t
ting t he head-up displa
he head-up displa y se
y settings on t
ttings on t he on-
he on-
boar
boar d com
d com put
puter
er On-board computer:
4 HUD 1
Setting cur rently selected
2 Digital speedome ter
3 Tra1c Sign Assist
4 Navigation displa ys
The following can be adjusted forth e head-up dis-
pla y:
R Position
R Brightness 254
254
Instrument display and on-board computer
Page 406 of 457

Dr
Dr
iving safe
iving safe ty syst
ty systems
ems Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
!
÷
currently unavailable See
Owner's Manual *
ABS and ESP ®
are temp orarily una vailable.
Other driving systems and driving saf ety systems (e.g. BAS) may also be temp orarily una vailable.
The brake system will continue tooperate normall y.Braking distance may inc rease in an emer gency braking situation. &
W WARNI NG
ARNI NGRisk of skidding if ABS and ESP ®
are malfunctioning
The wheels may lock during braking and ESP ®
does not per form any vehicle stabilisation.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-
tion, other driving saf ety sy stems are swit ched o.. #
Drive carefully on a suitable str etch of road, making slight steering mo vements at a speed abo ve30 km/h. #
Ifth e display message does not disappear, consult a quali/ed specialist workshop immediatel y.Drive care-
full y. Display messages and
warning/indicator lamps
403
403
Page 407 of 457

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
!
÷
inoperative See Owner's
Manual *
ABS and ESP ®
are malfunctioning.
Other driving systems and driving saf ety sy stems (e.g. BAS) ma y also be malfunctioning.
The brake sy stem will continue tooperate normall y.Braking distance may inc rease in an emer gency braking situation. &
W WARNI NG
ARNI NGRisk of skidding if ABS and ESP ®
are malfunctioning
The wheels may block during braking and ESP ®
does not per form any vehicle stabilization.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-
tion, other driving saf ety sy stems are swit ched o.. #
Drive on carefull y. #
Have ABS and ESP ®
ch ecked immediately at a quali/ed specialist workshop. ÷
currently unavailable See
Owner's Manual *
ESP ®
is temp orarily una vailable.
Other driving systems and driving saf ety sy stems (e.g. BAS) ma y also be malfunctioning. &
W WARNING
ARNING Risk of skidding if ESP is malfunctioning ®
If ESP ®
is malfunctioning, ESP ®
cann otcar ryout vehicle stabilisation. In addition, other driving saf ety sy stems are
swit ched o.. #
Drive carefully on a suitable str etch of road, making slight steering mo vements at a speed abo ve30 km/h. 404
404
Display message
s andwarning/indicator lamps