Page 251 of 457

V
V
ehicles wit
ehicles wit h
hTr
Tra1c
a1c Sign Assist:
Sign Assist: detected instruc-
tions and tra1c signs (/ page 214).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 infor-
mation into the driver's /eld of vision abo vethe
cockpit, forex ample:
R The vehicle speed
R Information from the navigation system
R Information from the driving systems and driv-
ing saf ety sy stems
R Some warning messages
Depending on theve hicle's equipment, di.erent
content can be shown in theth re e areas of the
head-up displ ay (/page 248). Displa
Displa y cont
y content
ent 1
Navigation instructions
2 Current speed
3 Detected instructions and tra1c signs
4 Set speed in the driving system (e.g. cruise
control)
Syst
Syst em limits
em limits
The visibility of the displa yswill be a.ected bythe
fo llowing conditions:
R Seat position
R Image position setting
R Light conditions R
Wetro ad sur face
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 deactivating and reactivating the head-up
displa y. Se
Se
tting t
tting t he head-up displa
he head-up displa y using t
y using the on-board
he on-board
com
com put
puter
er On-board co
mputer:
4 HEAD-UP DISPLAY
The following head-up display settings or displa ys
can be selected or shown:
R Position
R Brightness
R Messages
R Assis tance status
R Telephone
R Audio
R LINGU ATRO NIC 248
248
Instrument displ
ayand on-board computer
Page 402 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
399
399
Page 403 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. 400
400
Display message
s andwarning/indicator lamps