Page 417 of 565

On-board computer:
, Service .
Tyre pressure #
Swipe down wards on theTo uch Control on
th e left-hand side of thesteering wheel.
The Use current pressures as new reference
values message is shown in the multifunction
displa y. #
Press atoconfirm there start.
The Tyre press. monitor restarted message is
shown in the multifunction displa y.
Cur rent wa rning messages are dele ted and
th eh yellow warning lamp goes out.
Af teryo u ha vedriven for a few minutes, the
sy stem checks whe ther the cur rent tyre pres‐
su res are within the specified range. The cur‐
re nt tyre pressures are then accep ted as ref‐
erence values and monitored.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (→ page410) Ra
dio-type appr oval of the ty repressure
moni toring sy stem
Ra dio equipment appr oval numbers Countr
yRadio equipment appr oval
number
Abu Dhabi TRA REGISTERED NO: ER3 7156/15.
DEALER NO: DA00470 74/10
Argentina AFTIC:H1 4788
Duba iT RA
REGI STERED NO: ER3 7156/15.
DEALER NO: DA00470 74/10
European
Union Hereb
y,Schrader Electronics
Ltd., declares that this TPMS is in
compliance with the essential
re qu irements and other pr ovi‐
sions of directive 1999/5/EC.
The declaration of conformity
may be consul ted at emcteam@
schrader.co.uk Countr
yRadio equipment appr oval
number
Jordan Kingdom of Jordon Type appr oval
fo rTy re Pressure sensor.
Manufacturer: Schrader Elect ron‐
ics Ltd. Model: AG5SP4
Ty pe Appr oval Numb er:
TRC/LPD/20 15/21
Kingdom of Jo rdon Type appr oval
fo rTy re Pressure sensor.
Manufacturer: Schrader Elect ron‐
ics Ltd. Model: MFR
Ty pe Appr oval Numb er:
TRC/LPD/20 15/223
Mal aysia RCDD/04A/0 615/S(15-2095)
Morocco AGREE PAR L'ANRT MA ROC
Nume rod'agrement :MR 10216
ANRT 20 15
Date d'agrement :18/3/20 15414
Wheels and tyres
Page 423 of 565

Obser
vethefo llowing when selecting, fitting and
re placing tyres:
R Countr y-specific requirements for tyre
appro valth at define a specific tyre type for
yo ur vehicle.
Fu rthermore, the use of cer tain tyre types in
cer tain regions and areas of operation can
be highly beneficial.
R Only use tyres and wheels of the same type
(summer tyres, winter tyres, MOEx tended
tyres) and the same make.
R Only fit wheels of the same size on one axle
(left and right).
It is only permissible tofit a di fferent wheel
size in theeve nt of a flat tyre in order to
drive tothe specialist workshop.
R Only fit tyres of the cor rect size onto the
wheels.
R Do not make any modifications tothe brake
sy stem, the wheels or the tyres.
The use of shims or brake dust shields is not
permitted and may in validate theve hicle's
ge neral operating pe rmit. R
Vehicles with a tyre pressure monitoring
sy stem: Allfitted wheels mu stbe equipped
with functioning sensors forth e tyre pres‐
sure monitoring sy stem.
R Attemp eratures below 7 °C, use winter tyres
or all-season tyres mar ked M+S for all
wheels.
Wi nter tyres bearing thei snowflake
symbol in addition tothe M+S marking pro‐
vide the best possible grip in wintry road
conditions.
R For M+S tyres, only use tyres with the same
tread.
R Obser vethe maximum permissible speed for
th e M+S tyres fitted.
If th is is below theve hicle's maximum speed,
th is must be indicated in an appropriate label
in the driver's field of vision.
R Run in new tyres at moderate speeds forthe
fi rs t10 0 km.
R Replace the tyres af ter six years at the latest,
re ga rdless of wear. R
When replacing with tyres that do not
fe ature run-flat characteristics: Vehicles
with MOExtended tyres are not equipped
with a TIREFIT kit at thefa ctor y.Equip the
ve hicle with a TIREFIT kit af terre placing with
tyres that do not feature run-flat characteris‐
tics, e.g. winter tyres.
Fo r more information on wheels and tyres, con‐
ta ct a qualified specialist workshop.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (→ page410)
R Tyre pressure table (→ page411)
R Notes on the emer gency spa rewheel
(→ page 427) Note
s on inter changing wheels &
WARNING Risk of inju rythro ugh dif fer‐
ent wheel sizes
Inter changing the front and rear wheels if the
wheels or tyres ha vediffere nt dimensions 420
Wheels and tyres
Page 444 of 565

R
A maximum of 55% (antifreeze pr otection
down to-45 °C). Note
s on windscreen washer fluid Obser
vethe no tes on operating fluids
(→ page 433). &
WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Wi ndsc reen washer concentrate is highly
fl ammable. It could ignite if it comes into
con tact wi thhot engine component parts or
th eex haust sy stem. #
Make sure that no windsc reen washer
concentrate spills out next tothefiller
opening. *
NO
TEDama getotheex terior lighting
due tounsuitable windsc reen washer
fl uid Uns
uitable windsc reen washer fluids may
damage the plastic sur face of theex terior
lighting. #
Only use windscreen washer fluids
which are also suitable for use on plas‐
tic sur faces, e.g. MB SummerFit or MB
Wi nterFit. *
NO
TEBlocked spr aynozzles caused by
mixing windscreen washer fluids #
Do not mix MB SummerFit and MB Win‐
te rFit with other windscreen washer flu‐
ids. Do not use distilled or de-ionised
water asthefill
le ve l sensor may be triggered er roneously.
Re commended windscreen washer fluid:
R Abo vefreezing point: e.g. MB SummerFit
R Below freezing point: e.g. MB WinterFit
Fo rth e cor rect mixing ratio referto the informa‐
tion on the antif reeze reser voir.
Mix thewa sher fluid with the windscreen washer
fl uid all year round. Ve
hicle data Ve
hicle dimensions The heights speci
fied may vary as a result of the:
R tyres
R load
R condition of the suspension
R optional equipment Te
ch nical da ta441
Page 460 of 565
Display messages
Possible causes/consequences and M
MSolutions
PRE-SAFE impulse side
inoperative See Owner's
Manual *
Side PRE-SAFE ®
Impulse is malfunctioning or inoperative af ter having already been triggered. #
Consult a qualified specialist workshop.
Radar sensors dirty See
Owner's Manual *T
heradar sensor sy stem is malfunctioning. Possible causes:
R soiling of the sensors
R heavy rain
R extended driving on inter-urban roads without moving traf fic, e.g. in the desert
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
When the causes no longer apply, driving sy stems and driving saf ety sy stems are available again.
If th e display message does not disappear: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Clean all senso rs . #
Restart the engine. Display messages and
warning/indicator lamps 457
Page 470 of 565

Display messages
Possible causes/consequences and M
MSolutions
Active Lane Keeping Assist
Camera view restricted
See Owner's Manual *
Ve hicles without Steering Pilo t:the camera view is reduced.
Po ssible causes:
R dirt on the windscreen in the camera's field of vision
R heavy rain, snow or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
When the causes no longer appl y,driving sy stems and driving saf ety sy stems are available again.
If th e display message does not disappear: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Clean the windscreen.
Blind Spot Assist currently
unavailable See Owner's
Manual *B
lind Spot Assist is temp orarily una vailable.
The sy stem borders ha vebeen reached (→ page242). #
Drive on.
When the causes no longer appl y,the sy stem will be available again.
or #
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine. #
If necessar y,clean there ar bumper. If the bumper is extreme lydirty, the sensors in the bumper may be mal‐
functioning. Display messages and
warning/indicator lamps 467
Page 481 of 565
Display messages
Possible causes/consequences and M
MSolutions
5 Engine oil level cannot be
measured *T
he electrical connection tothe oil le vel sensor is inter rupte d or the oil le vel sensor is faulty.
The engine oil le vel has dropped tothe minimum le vel. #
Consult a qualified specialist workshop.
Ø Refill AdBlue See Owner’s
Manual *
The AdBlue ®
leve l has fallen below there ser verange. #
Refill Ad Blue ®
immediately .
Ø Refill AdBlue Eng. start not
possible *
The AdBlue ®
tank is em pty. Yo u can no lon gerst art the engine. #
Top up at least 4.0 lof Ad Blue ®
. #
Switch the ignition on.
Yo u can restart the engine af ter appro ximately one minu te.
Ø
Check AdBlue See Owner’s
Manual *
The AdBlue ®
sy stem is malfunctioning. #
Consult a qualified specialist workshop. 478
Displaymessa ges and warning/indicator lamps
Page 486 of 565

Display messages
Possible causes/consequences and M
MSolutions
h Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenly. The wheel position is displa yed. &
WARNING Risk of an accident from driving wi thaflat tyre
Flat tyres are dangerous in thefo llowing ways:
R The tyres can overheat and cause a fire.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive with a flat tyre. #
Obse rveth e no tes on flat tyres. No
tes on flat tyres (→ page 390). #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyres.
Tyre press. monitor cur-
rently unavailable *N
o signals can be recei ved from the tyre pressure sensors due tostro ngradio signal source inter fere nce. The tyre
pressure moni toring sy stem is temp orarily una vailable. #
Drive on.
The tyre pressure monitoring sy stem restarts automatically as soon as the cause has been rectified. Display messages and
warning/indicator lamps 483
Page 487 of 565

Display messages
Possible causes/consequences and M
MSolutions
h Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor of one or more wheels. The pressure of the af fected tyre is not
displ ayed. #
Have thefa ulty tyre pressure sensor replaced at a qualified specialist workshop.
Tyre press. monitor inoper-
ative No wheel sensors *T
he wheels fitted do not ha vesuitable tyre pressure sensors. The tyre pressure monitoring sy stem is deactivated. #
Fit wheels with suitable tyre pressure sensors.
Tyre press. monitor inoper-
ative *T
he tyre pressure monitoring sy stem is faulty. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure
loss in one or more of the tyres.
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. #
Consult a qualified specialist workshop.
Tyre(s) overheated *A
t least one tyre is overheated. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value, the
tyres are displa yed in yello w. #
Drive more sl owly. 484
Display messages and warning/indicator lamps