Display messages Possible causes/consequences and
M Solutions
÷
inoperative See
Owner'
sManual G
Risk of accident
ESP ®
,B AS ,PRE-SAFE ®
,t he HOLD function ,hill start assist and
ESP ®
trailer stabilisation are no tavailabled ue toamalfunction.
The adaptive brake lights, BAS PLUS and PRE-SAFE ®
Brake may
alsoh ave failed.
In addition, the äandå warning lamp slight up in the
instrument cluster.
ATTENTION ASSIST is deactivated.
The brake system continues to function normally, but without the
functions listed above.
X Drive on carefully.
X Visi taq ualified specialist workshop. T!
÷ G
Risk of accident
EBD( electronic brake forc edistribution), ABS, ESP ®
,B AS ,PRE-
SAFE ®
,t he HOLD function ,hill start assist and ESP ®
trailer stabi-
lisatio nare not available due to amalfunction.
The adaptive brake lights, BAS PLUS and PRE-SAFE ®
Brake may
alsoh ave failed.
In addition, the ä,åand! warning lamp slight up in
the instrument cluster and awarning tone sounds.
ATTENTION ASSIST is deactivated.
The brake system continues to function normally, but without the
functions listed above. The wheels coul dtherefore lock if you
brake hard ,for example.
X Drive on carefully.
X Visi taq ualified specialist workshop immediately. J
Releas
eparking brake You are drivin
gwith the parkin gbrake applied. Awarning tone also
sounds.
X Release th eparking brake. 234
Display messagesOn-boar
dcomputer and displays
Display messages Possible causes/consequences and
M Solutions
J
Brake immediately Am
alfunction has occurred while th eHOLDf unction or DIS-
TRONIC PLU Sisactive.
or
Vehicles wit hmanual transmission: wit hthe HOLD function acti-
vated, you hav eeither:
R opened th edriver's doo rand released the sea tbelt or
R switched off the engin eor
R opened the bonnet
At one may also sound at regular intervals. The toneb ecomes
louder if you attempt to lock the vehicle.
You cannot start the engine.
X Paying attention to the traffic situation, immediately depress the
brake pedal firmly and hold until the display message disap-
pears.
X Prevent the vehicle from rolling away before you leave it
(Y page 301).
You can restart the engine. J
Check brake fluid
level G
Risk of accident
There is insufficient brake fluid in the brake fluid reservoir. In addi-
tion, the red Jwarning lamp in the instrument cluster lights
up and awarning tone sounds.
X Pullo ver and stop the vehicl esafel yass oon as possible,p aying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Apply the parking brake.
X Consult aqualified specialist workshop.
X Do not top up the brake fluid. This does not correct the error. #
Check brake wear The brake pads/linings have reache
dtheir wearl imit.
X Visit aqualified specialist workshop. PRE-SAFE
inoperative See
Owner's Man. G
Risk of injury
Important function sofPRE-SAFE ®
have failed .All other occupant
safet ysystems, e.g. airbags, remain available.
X Visit aqualified specialist workshop immediately. Display messages
235On-board computer and displays Z
Display messages Possible causes/consequences and
M Solutions
ý G
Risk of injury
If th esymbol appears in th emultifunction display, aseat belt
tongue has not been clipped intoar ear seat belt buckle.
X If necessary, ask the occupants in the rear to fasten their seat
belts.
For further information on the status indicator for the rear seat
belts: (Y page 49). Child seat in
wrong position
See Owner's Manual G
Risk of injury
Vehicles with automatic child seat recognition on the front-
passenger seat: the child seat is positioned incorrectly.
X Fit the child seat in the correct position. G
Risk of injury
Vehicles with automatic child seat recognition on the front-
passenger seat: the automatic child seat recognition sensor is
faulty.
X Visit aqualified specialist workshop. 6
Restraint
sys. mal‐
functio
nConsult workshop G
Risk of injury
There is amalfunction in the SRS (Supplemental Restraint Sys-
tem). The 6warning lamp also lights up in the instrument clus-
ter.
X Visit aqualified specialist workshop. 6
Front
left malfunc‐
tion Consult work‐
shop or
Front right malfunction
Consult workshop G
Risk of injury
SRS has malfunctioned at the fron tonthe left or right. The 6
warning lamp also lights up in the instrument cluster.
X Visit aqualified specialist workshop. Display messages
237On-boardcomputer and displays Z
Display messages Possible causes/consequences and
M Solutions
6
Rea
rl eftm alfunc‐ tio
nC onsul twork‐ shop or
Rea rr ight malfunction Con‐
sul
tw orkshop G
Risk of injury
SRS has malfunctioned at th erear on th eleftorr ight.The 6
warnin glamp also lights up in th einstrument cluster.
X Visi taqualified specialist workshop. 6
Left
windowbag mal‐
function Consult
workshop or
Right windowba
gmalfunc‐ tion Consult work‐
shop G
Risk of injury
There is amalfunction in the left-han dand/or right-han dwindow-
bag. The 6warnin glamp also light supinthe instrumen tclus-
ter.
X Visit aqualified specialist workshop. Lights
i Display messages about LEDs:
This display message will only appear if all LEDs have failed. Displa
ymessages Possibl
ecauses/consequences and M Solutions
b
Lef
tc ornering light or
Right cor‐ nering light The left or right-hand cornering light is faulty.
X
Chec kwhether you are permitted to change the bulb yourself
(Y page 121).
or
X Visit aqualified specialist workshop. b
Left dipped beam
or
Right dipped beam The left or right-hand dipped-beamh
eadlamp is faulty.
X Check whether you are permitted to change the bulb yourself
(Y page 121).
or
X Visit aqualified specialist workshop. b
Trailer left tail
lamp or
Trailer right tail lamp The left or right-hand trailer tail lamp is faulty.
X
Check whether you are permitted to change the bulb yourself.
or
X Visit aqualified specialist workshop. 238
Display messagesOn-boar
dcomputer and displays
Warning and indicator lamps in the instrument cluster
Seat belt
Problem Possible causes/consequencesa
ndM Solutions
7
Only for certain coun-
tries: the red sea
tbelt
warning lamp lights up
for six seconds after
the engin estarts. The seat belt warning lamp reminds the driver and fron
tpassenger
to fasten their seat belts.
X Faste nyour seat belt (Y page 46). 7
Only for certain coun-
tries: the red seat belt
warning lamp lights up
after the engine starts.
In addition,
awarning
tones ounds for up to
six seconds. G
Risk of injury
The driver's seat belt is not fastened.
X Fasten your seat belt (Y page 46).
The warning tonec eases. 7
The red seat belt warn-
ing lamp lights up after
the engine starts, as
soon as the driver's or
the front-passenger
door is closed.
G
Risk of injury
The driver or front passenger has not fastened their seat belt.
X Fasten your seat belt (Y page 46).
The warning lamp goes out. G
Risk of injury
There are object sonthe front-passenger seat.
X Remove the object sfrom the front-passenger seat and stow
them in asecure place.
The warning lamp goes out. Warning and indicator lampsint
he instrument cluster
255On-board computer and displays Z
Problem Possible causes/consequences and
M Solutions
7
The red seat belt warn-
ing lamp flashes and an
intermittenta
udible
warning sounds. G
Ris
kofi njury
The driver or fron tpassenger has no tfastened their seat belt .At
the same time, yo uaredriving faste rthan 25 km/h or have briefly
driven faster than 25 km/h.
X Fasten your seat belt (Y page 46).
The warning lamp goes out and the intermittent warning tone
ceases. G
Risk of injury
There are objectsont he front-passenger seat. At the same time,
you are driving faster than 25 km/h or have briefly driven faster
than 25 km/h.
X Remove the objectsf rom the front-passenger seat and stow
them in asecure place.
The warning lamp goes out and the intermittent warning tone
ceases. 256
Warning and indicator lampsint
he instrument clusterOn-board computer and displays
Safety systems
Problem Possible causes/consequences and
M Solutions
J
The red brake system
warning lamp comes on
while the engine is run-
ning.
Awarning tone
also sounds. G
Risk of accident
There is insufficient brake fluid in the fluid reservoir.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Apply the parking brake.
X Consult aqualified specialist workshop immediately.
X Observe the additional display messages in the multifunction
display.
Do not top up the brake fluid. This does not correctt he error.!
The yellow ABS warning
lamp is lit while the
engine is running.
G
Risk of accident
ABS (Anti-lock Brake System) has been deactivated due to afault.
For this reason, BAS (Brake Assist), BAS PLUS, ESP ®
(Electronic
Stability Program), PRE-SAFE ®
,P RE-SAFE ®
Brake ,the HOLD func-
tion, hill start assist, the adaptive brake lights and ESP ®
trailer
stabilisation are also deactivated, for example.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
ATTENTIONA SSIST is deactivated.
X Observe the additional displaym essages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop. !
The yellow ABS warning
lamp is lit while the
engine is running. A
warning tone also
sounds.
G
Risk of accident
EBD (electronic brake force distribution) is faulty. Therefore, ABS,
BAS,B AS PLUS, ESP ®
,P RE-SAFE ®
,P RE-SAFE ®
Brake, the HOLD
function, hill start assist, the adaptive brake lights and ESP ®
trailer
stabilisation, for example, are not available either.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
ATTENTIONA SSIST is deactivated.
X Observe the additional displaym essages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop. Warning and indicator lampsint
he instrument cluster
257On-board computer and displays Z
Problem Possible causes/consequences and
M Solutions
Jäå!
The red brake warning
lamp, the yellowE
SP®
and ESP ®
OFF warning
lamps and the yellow
ABS warning lamp are
lit while the engine is
running. G
Risk of accident
ABS and ESP ®
are malfunctioning. Therefore, BAS,B AS PLUS,
EBD,P RE-SAFE ®
,P RE-SAFE ®
Brake, the HOLD function, hill start
assist, the adaptive brake lights and ESP ®
trailer stabilisation, for
example, are not available either due to amalfunction.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
ATTENTION ASSIST is deactivated.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop. ä
The yellowE
SP®
warn-
ing lamp flashes while
the vehicle is in motion. G
Risk of accident
ESP ®
or traction control has intervened because there is arisk of
skidding or at least one wheel has started to spin.
Cruise control or DISTRONIC PLUS is deactivated.
X Only depress the accelerator pedal as far as necessary when
pulling away.
X Release the accelerator pedal while the vehicle is in motion.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
For exceptions: (Y page 64).å
The yellow ESP
®
OFF
warning lamp is lit while
the engine is running. G
Risk of accident
ESP ®
and ESP ®
trailer stabilisation are deactivated. ESP ®
will not
stabilise the vehicle if it starts to skid or if awheel starts to spin.
X Reactivate ESP ®
.
Exceptions: (Y page 64).
X Adapt your driving style to suit the road and weather conditions.
If ESP ®
cannot be activated:
X Have ESP ®
checked at aqualified specialist workshop. 258
Warning and indicator lampsint
he instrument clusterOn-board computer and displays