Page 95 of 302

tube when cold with alcohol or spirit and rub it
off with a lint-free cloth.
Protect bulbs from moisture during operation.
Do not allow bulbs to come into contact with
liquids.
Xenon bulbs
Bulbs and lamps are an important aspect of
vehicle safety. You must therefore make sure
that these function correctly at all times. Have
the headlamp setting checked regularly.
LED modules
You can replace neither Xenon bulbs nor LED
bulbs. Have LED modules replaced at a qualified
specialist workshop.
Bulbs and lamps are an important aspect of
vehicle safety. You must therefore make sure
that these function correctly at all times. Have
the headlamp setting checked regularly.
Before changing bulbs
Have the following bulbs replaced at a qualified
specialist workshop:
RAdditional turn signals in the exterior mirrors
RHigh-mounted brake lamp
RHigh-beam/low-beam headlamps (Xenon
bulbs)
RDaytime running lamps
RParking lamps/standing lamps
RLicense plate lamp
iIndividual segments of the license plate
lamp LEDs may fail without a display message
appearing in the multifunction di splay
. Regu-
larly check the license plate lamp. If neces-
sary, visit a qualified specialist workshop.
You can replace the following bulbs:
RTurn signal lamp (front)
RBrake/tail lamp
RTurn signal lamp (rear)
RTail lamps/standing lamps
RBackup Light
RRear fog lamp
RSide marker lamps
Other bulbs
There are bulbs other than the Xenon bulbs that you cannot replace yourself. Only replace the
bulbs listed (
Ypage 93). Have the bulbs that
you cannot replace yourself replaced at a quali-
fied specialist workshop.
If you require assistance replacing bulbs, con-
sult a qualified specialist workshop. Do not touch the glass tube of new bulbs with
your bare hands. Even minor contamination can
burn into the glass surface and reduce the ser-
vice life of the bulbs. Always use a lint-free cloth
or only touch the base of the bulb when instal-
ling.
Only use bulbs of the correct type.
If the new bulb still does not light up, consult a
qualified specialist workshop.
Bulbs and lamps are an important aspect of
vehicle safety. You must therefore make sure
that these
function co
rrectly at all times. Have
the headlamp setting checked regularly.
Overview: changing bulbs/bulb types
Front bulbs
You can replace the following bulbs. The bulb
type can be found in the legend.
:Turn signal lamp: 1156 NA
;Side marker lamp: T 4 W
Rear bulbs
You can replace the following bulbs. The bulb
type can be found in the legend.
Replacing bulbs93
Lights and windshield wiper s
Z
Page 192 of 302

Display messagesPossible causes/consequences andMSolutions
b
CheckTrailerBrakeLamp
The trailer brak elamp is defective.
XChec kwhether you are permitte dto replace th ebulb yourself .
or
XVisit aqualified specialist workshop .
b
Check RearLef tTurnSignalor
Check Rea rRight
Tur nSignal
The rear left-han dor rear right-hand tur nsignal is defective.
XChec kwhether you are permitte dto replace th ebulb yourself
(Ypage 93) .
or
XVisit aqualified specialist workshop .
b
Check Front LeftTurnSignalor
Check Front Right
Tur nSignal
The fron tleft-han dor fron tright-hand tur nsignal is defective.
XChec kwhether you are permitte dto replace th ebulb yourself
(Ypage 93) .
or
XVisit aqualified specialist workshop .
b
Check LeftMirrorTur nSignalor
Check Right Mirror
Tur nSignal
The tur nsignal in th eleft-han dor right-hand exterio rmirror is defec -
tive.
XVisit aqualified specialist workshop .
b
Check Center BrakeLamp
The high-mounte dbrak elamp is faulty.
XVisit aqualified specialist workshop .
b
Check LeftBrakeLam porCheck RightBrake Lam p
The leftor right-hand brak elamp is defective.
XReplac eth ebulb (Ypage 92) .
b
Check Lef tHig hBeamorCheck RightHig hBea m
The lef tor right-hand high beam is defective.
XVisit aqualified specialist workshop .
b
LicensePlate Lam p
There isashort circuit in th eLE Dlamps. The LEDs hav ebeen switched
off .
XVisit aqualified specialist workshop .
b
RearFog Lam p
The rear fog lamp is defective.
XCheckwhether you are permitte dto replace th ebulb yourself
(Ypage 93) .
or
XVisit aqualified specialist workshop .
190Display messages
On-board computer and displays
Page 204 of 302

Display messagesPossible causes/consequences andMSolutions
D
Power Steering Mal‐function. See Oper‐ator's Manual
The powersteering is malfunctioning .
A warning tone also sounds.
GWARNIN G
You will need to use mor eforce to steer .
There is aris kof an accident.
XChec kwhether you are able to apply th eextr aforce required.
XIf you ar eabl eto steer safely: carefully drive on to aqualified
specialist workshop .
XIf you areunable to steer safely: do notdrive on .Contac tth e
neares tqualified specialist workshop .
TelephoneNoServiceYour vehicl eis outside th enetwork provider' stransmitter/receiver
range.
XWait until th emobile phone operational readiness symbol appear s
in th emultifunction display.
¥
Check Washer Fluid
The washer flui dlevel in th ewasher flui dreservoir has dropped belo w
th eminimum .
XAddwasher flui d (Ypage 239).
SmartKey
Display messagesPossible causes/consequences and MSolutions
Â
KeyDoesNotBelongto Vehicl e
You haveput th ewrong SmartKey in th eignition lock.
XUse th ecorrec tSmartKey.
Â
Tak eYou rKey fro mIgnition
The SmartKey is in th eignition lock.
XRemove th eSmartKey.
Â
Obtain aNew Key
The SmartKey needs to be replaced.
XVisit aqualified specialist workshop .
Warning and indicat orlamps in the
instrume nt cluster
Overview ofwarning and indicat or
lamps
L Low-beam headlamp s (Ypage 84)
#
! Turn signal
(
Ypage 88) K
High-beam headlamp s (
Ypage 88)
R Rear fog lamp (
Ypage 86)
ü Seat belts (
Ypage 204)
$
(USA) Brake
s (
Ypage 205)
J
(Can -
ada) Brake
s(yellow) (
Ypage 205)
202Warning and indicator lamps in the instrument cluster
On-board computer and displays