Page 250 of 353
Display messages Possible causes/consequences and
M Solutions
Parkin
gGuidance cancelled Parking Guidance has been deactivated because:
R
thev ehicl eiss kidding.
R thes ensor sare dirty.
R am alfunction has occurred.
Aw arning tone also sounds.
X Reactivat eParking Guidance late r(Y page 189).
If the parkin gspace symbol does not appear in the multifunction
display at speeds below 30 km/h:
X Clean the sensors (Y page 290).
X Restart the engine.
If the parkin gspace symbol still does not appear in the multifunc-
tion display at speeds below 30 km/h:
X Visit aqualified specialist workshop. Parkin
gGuidance has been deactivated because you are no longer
following the recommended path.
X Park again and, while doing so, observe the display messages
in the multifunction display. Parkin
gGuidance finished The vehicle is parked.
Awarning tone also sounds.
The display message disappears automatically. DISTRONIC PLUS
off DISTRONI
CPLUSh as been deactivate d(Ypage 171). If it was
deactivate dautomatically, awarning tone also sounds. DISTRONIC PLUS
available again DISTRONI
CPLUSiso perational againa fter having been tempo-
rarily unavailable .You can now reactivat eDISTRONIC PLUS
(Y page 171). Display messages
247On-board computer and displays Z
Page 251 of 353
Display messages Possible causes/consequences and
M Solutions
DISTRONIC PLUS
currently unavail‐
abl
eS ee Owner's Manual DISTRONIC PLU
Sisdeactivated and is temporarily inoperative if:
R the DISTRONIC PLUS cover in the radiator grille is dirty.
R the sensors in the bumpers are dirty.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
R its function is impaired due to heavy rain or snow.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
Aw arning tone also sounds.
DISTRONI CPLUSiso perational againa nd the display message
disappears if:
R the dirt (e.g. slush) drops away whil ethe vehicl eisinmotion.
R the system detects tha tthe sensors are fully available again.
R the system is within the operating temperature range.
If the displaym essage continues to be displayed:
X Cleant he DISTRONIC PLUS cover in the radiator grille
(Y page 290).
X Cleant he bumpers (Y page 290).
X Restart the engine. DISTRONIC PLUS
inoperative DISTRONIC PLUS is faulty. BAS PLUS and PRE-SAFE
®
Brake may
also have failed.
Aw arning tone also sounds.
X Visi taq ualified specialist workshop. DISTRONIC PLUS
suspended You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X
Take your foot off the accelerator pedal. DISTRONIC PLUS
--- km/h An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation condition sfor DISTRONIC PLUS
(Y page 171). DISTRONIC PLUS and
SPEEDTRONIC
inoperative DISTRONIC PLUS and SPEEDTRONIC are faulty.
Awarning tone
also sounds.
X Visit aqualified specialist workshop. Cruise control and
SPEEDTRONIC
inoperative Cruise contro
land SPEEDTRONIC are malfunctioning.
Aw arning tone also sounds.
X Visi taq ualified specialist workshop. 248
Display messagesOn-boar
dcomputer and displays
Page 252 of 353
Display messages Possible causes/consequences and
M Solutions
Cruise control
--- km/h Ac
onditi on foractivatin gcruise control has no tbeen met.
You hav etried to store aspeed below 30 km/h, for example.
X If condition spermit ,drive faster than 30 km/ hand stor ethe
speed.
X Check the activation condition sfor cruise control
(Y page 169). 120 km/h
Maximu
mspeed exceeded Only for certain countries: the maximum speed has been excee-
ded.
In addition, the multifunction display shows
120 km/h .
X Driv eslower. Tyres
Display messages Possible causes/consequences and
M Solutions
Tyre pressure
Check tyres G
Risk of accident
The tyre pressure loss warning system has detected asignificant
loss in pressure.
Aw arning tone also sounds.
X Stop th evehicle without making any sudde nsteering or braking
manoeuvres .Pay attentio ntothe traffic conditions as you do
so.
X Check the tyres and, if necessary, change the wheel
(Y page 323).
X Check the tyre pressures and, if necessary, set to the correct
tyre pressure.
X Restart the tyre pressure loss warning system when the tyre
pressure is correc t(Ypage 322). Check tyre pres‐
sures
then restar
tRun Flat Indicator The tyre pressure loss warning system generated
adisplay mes-
sage and has not been restarted since.
X Set the correct tyre pressure in all four tyres.
X Restart the tyre pressure loss warning system (Y page 322).Run Flat Indicator
inoperative The tyre pressure loss warning system is faulty.
X
Visit aqualified specialist workshop. Display messages
249On-boardcomputer and displays Z
Page 253 of 353
Vehicle
Display messages Possible causes/consequences and
M Solutions
To start engine,
shift to either P
or N Yo
uh avea ttempte dtostart the engine with the transmission in
position Ror D.
X Shift the transmission to position Por N. P
Select Par
k(P) Yo
uh aves witched off the engine with the Start/Sto pbutton and
opene dthe driver' sdoor.
Yo uw anted to lock the vehicle.
Aw arning tone also sounds.
or
You have switched off th eenginew itht he Start/Sto pbutto nand
opene dthe driver's door with the transmission in position N.
X Shift the transmission to position P. While the HOLD functio
norDISTRONIC PLUS is active, you have:
R opened the driver's door and released the seat belt or
R switched off the engine or
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 Shift the transmission to position P.
You can restart the engine. N The boot lid is open.
X
Close the boot lid. M G
Risk of accident
The bonnet is open. Awarning tone also sounds.
X Pull ove rand stop the vehicl esafelyass oonasp ossible,p aying
attention to road and traffic conditions.
X Apply the parking brake.
X Close the bonnet.
If the active bonnet (pedestrian protection) has been triggered:
X Reset the bonnet (Y page 280).
X Close the bonnet. Active bonnet
malfunction See
Owner's Manual The active bonnet (pedestrian protection) is not active due to a
malfunction.
X
Visit aqualified specialist workshop. 250
Display messagesOn-board computer and displays
Page 254 of 353
Display messages Possible causes/consequences and
M Solutions
C At leas
tone door is open. Awarning tone also sounds.
X Close all doors. _
Rea
rl efts eat backrest not locked
or
Rea rr ight seat backrest not locked G
Ris
kofi njury
The backres tinthe rear is not engaged on the left-hand and/or
right-hand side. Awarning tone also sounds.
X Push th ebackres tback until it engages. _
Front lef
tseat backrest not locked
or
Front right sea
tb ackrest not locked The driver'
sorfront-pa ssenger seat backres tisnot engaged. A
warning tone also sounds.
X Push the backrest back until it engages. j
Check trailer
hitch lock G
Risk of accident
The trailer tow hitch is not correctly engaged.
Aw arning tone also sounds.
X Stop th evehicle immediately, payin gattentio ntoroad and traf-
fic conditions, and switch off the engine.
X Apply the parking brake.
X Allow the trailer tow hitch ball coupling to engage in the end
position (Y page 206). J
Close boot separa‐
tor The boot separator is open.
X
Close the boot separator (Y page 92).D
Power
steering mal‐
function See Own‐
er's Manual G
Risk of accident
The power steerin gassistance is faulty.
You will need to use more force to steer.
Aw arning tone also sounds.
X Chec kwhether you are able to apply the extraf orce required.
X If you are able to steer safely: carefully drive on toaqualified
specialist workshop.
X If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop. Display messages
251On-board computer and displays Z
Page 257 of 353
Display messages Possible causes/consequences and
M Solutions
The KEYLESS-GO ke
yisnot detecte dwhile the engin eisrunning
because ther eisinterference from astrong source of radio waves.
Aw arning tone also sounds.
X Pull ove rand stop the vehicl esafelyass oonasp ossible,p aying
attention to road and traffic conditions.
X Apply the parking brake.
X Operate the vehicle with the key in the ignition lock if necessary. +
Key not detected
(White displaym
es-
sage) The KEYLESS-GO key cannot be detected at present.
X
Change the location of the key with the KEYLESS-GO functions
in the vehicle.
If the KEYLESS-GO key is still not detected:
X Change the location of the key with the KEYLESS-GO functions
in the vehicle.
X Operate the vehicle with the key in the ignition lock if necessary. +
Key still in vehi‐
cle The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle. +
Remove starting
button, then
insert key KEYLESS-GO is temporarily malfunctioning or is defective.
Awarn-
ing tone also sounds.
X Inser tthe keyintot he ignition loc kand tur nittot hedesired
position.
X Visi taq ualified specialist workshop. +
Close doors to
lock vehicle At least one door is open.
Awarning tone also sounds.
X Close all door sand loc kthe vehicle again. 254
Display messagesOn-board computer and displays
Page 258 of 353
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
Page 259 of 353
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
