
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 (→ page 389)
R Tyre pressure table (→ page 390)
R Notes on the emer gency spa rewheel
(→ page 406) 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 Wheels and tyres
399

Display messages
Possible causes/consequences and M
MSolutions
Active Brake Assist Func-
tions limited See Owner's
Manual *
Ve hicles with Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS is malfunctioning.
Ve hicles without the Driving Assistance Package: Active Brake Assi stis malfunctioning. #
Consult a qualified specialist workshop.
PRE-SAFE inoperative See
Owner's Manual *
PRE‑SAFE ®
functions are malfunctioning. #
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.
Once the cause of the problem is no longer present, 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 435

!inope
rative See Owner's Man‐
ual ....................................................... 424
÷inoperati veSee Owner's Man‐
ual ....................................................... 427
Tinoperati veSee Owner's Man‐
ual ....................................................... 428
GInoperati ve.................................. 434
bIntelli gent Light Sy stem inoper‐
ative ..................................................... 478
 Key not de tected (red displ ay
messa ge).............................................4 65
ÂKe y not de tected (white displ ay
messa ge).............................................4 64
Let fresh air into theve hicle interior!
Air conditioning malf. Visit workshop ..473
Limiter inoperative .............................. 449
Limiter passive .................................... 448
É Lowe ring .................................... 440
b Malfunction See Owner's Man‐
ual .......................................................4 78É
Malfunction See Owner's Man‐
ual .......................................................4 42
ðMaximum speed exceeded ..........4 50
N permanently active Risk of vehicle
ro lling .................................................. 468
ëOff .............................................. .447
Only select Park (P) when vehicle is
st ationary ............................................ 468
jOpe ration only possible in
transmission position N .......................471
j Operation only possible in
transmission position P .......................471
! Parking brake See Owner's
Manual ................................................ 430
Pa rking Pilot and PARKTRONIC inop‐
erative See Owner's Manual ................446
Pa rking Pilot Manoeuvring assis‐
ta nce limited See Owner's Manual ......446
 Place theke y in the mar ked
space See Owner's Manual ................. 465ÉPlease
reduce speed ...................4 42
PRE-SAFE inope rative See Owner's
Manual ................................................ 435
Ra dar sensors dirty See Owner's
Manual ................................................ 435
hRe ctify tyre pressure ................... 460
ØRe fill Ad Blue Eng. start not pos‐
sible .................................................... .457
Ø Refill Ad Blue No start in XXX mi
............................................................ .458
ØRe fill Ad Blue See Owne r’s Man‐
ual .......................................................4 56
!Re lease parking brake .................429
¸Re place air cleaner .....................458
,Re placekey See Owner's Man‐
ual ...................................................... .464
 Replace key ................................ .463
8Re servefuel le vel........................ 457
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 436 Index
507

Re
versing not poss. Consult work‐
shop ....................................................4 69
Risk of vehicle rolling Driver door
open and transmission not in P ...........468
#See Owner's Manual ................... 452
Speed limit (winter tyres) XXX mph..... 449
# Start engine See Owner's Man‐
ual ...................................................... .453
ÐSt eering malfunction Drive
carefully Visit workshop ....................... 473
Ð Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ....474
Ð Steering malfunction See Own‐
er's Manual .......................................... 472
Ð Steering malfunction Stop
immediately See Owner's Manual ........474
è Steering Pilot cur rently una vail‐
able See Owner's Manual ....................448
è Steering Pilot inoperative ............448 St
op vehicle Lea veengine running
Wa itTransmission cooling ...................469
#St opvehicle Lea veengine run‐
ning ..................................................... 453
#St opvehicle See Owner's Man‐
ual .......................................................4 53
ÉSt opvehicle Vehicle too low ........ 441
b Switch off lights .......................... 479
b Switch on headlamps ..................479
To shift out of P or N,depress brake
and start engine .................................. 468
To p up coolant See Owner ’sManual ... 450
¥To p upwasher fluid .................... .477
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ...........447
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ......................446
Tr af fic Sign Assi stinope rative ............. 447
j Trailer coupling extending… ......... 466
Tr ansmission Malfunction Stop ........... 469 !Tu
rnon the ignition torelease
th e parking brake ................................ 428
Ty re press. monitor cur rently una vail‐
able ...................................................... 461
Ty re press. monitor inoperative ...........462
Ty re press. monitor inoperative No
wheel sensors .................................... .462
Ty re pressure Check tyres ...................459
Ty re(s) ove rheated ...............................4 62
Ty re(s) ove rheated Reduce speed ........ 463
dVe hicle is operational Switch
off the ignition before exiting .............. 469
ÉVe hiclerising Please wait............ 441
É Vehicle rising ...............................4 40
hWa rning tyre defect .....................461
h Wheel sensor(s) missing .............462
Wi thout changing gear, consult work‐
shop ....................................................4 68
Dist ance control
see Dis tance Pilot DISTRONIC 508
Index

Distance Pilot DISTRONIC
.......................183
Ac tivating ............................................ 186
Ac tivation conditions ........................... 186
Ac tive Emergency Stop Assist .............1 92
Ac tive Lane Change Assi st................... 191
Calling up a speed .............................. .186
Deactivating ........................................ 186
Fu nction .............................................. 183
Le ver ................................................... 186
Selecting ............................................. 186
Setting a speed ................................... 186
St oring a speed ................................... 186
Sy stem limits ....................................... 183
Distance recorder .................................. .239
DISTRO NIC
see Dis tance Pilot DISTRONIC
Door Additional door lock .............................. 62
Locking (emer gency key) ...................... .67
Opening (from inside) ............................62
Un locking (emer gency key) .................... 67
Un locking (from inside) ........................ .62
Door see Locking/unlocking Door cont
rol panel .................................... .14
Drive Away Assist .................................... 216
Drive position Selecting ............................................ .152
Drive prog ram display ............................. 14 8
Drive prog rams
see DYNA MIC SELECT
Driving light see Automatic driving lights
Driving saf ety sy stem ............................ .169
ABS (Anti-lock Braking Sy stem) ........... 17 0
Ac tive Brake Assi st.............................. 175
Ad aptive brake lights .......................... .180
BA S (Brake Assi stSystem) .................. 17 0
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 174
ESP ®
(Electronic Stability Prog ram)
Crosswind Assist .................................. 174
ESP ®
(Electronic Stability Prog ram)
trailer stabilisation .............................. .174
Overview ............................................. 16 9
Ra dar sensors ...................................... 16 9
Re sponsibility ...................................... 16 9ST
EER CONTROL ................................. 175
Driving saf ety sy stem
see ESP ®
(Elect ronic Stability Prog ram)
Driving sy stem
DY NA MIC BODY CONTROL .................. 194
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Lane Keeping Assist
see AIR BODY CONTROL
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Dis tance Pilot DISTRONIC
see Driving sa fety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Parking Pilot
see Remo teParking Pilot
see Reversing camera
see Speed Limit Pilot
see Steering Pilot
see Traf fic Sign Assi st Index
509