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 345)
R Tyre pressure table (→ page 346)
R Notes on the emer gency spa rewheel
(→ page 362) 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
355
Display messages
Possible causes/consequences and M
MSolutions
# Check brake pad wear *T
he brake pads ha vereached thewe ar limit. #
Consult a qualified specialist workshop.
G Inoperative *A
t least one of the main functions of the Mercedes me connect sy stem is 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 country driving wi thout other 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. 392
Display messages and warning/indicator lamps
Display messages
Possible causes/consequences and M
MSolutions
*T heradar sensor sy stem is malfunctioning. Possible causes:
R soiling of the sensors
R heavy rain
R extended country driving wi thout 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.
Active Brake Assist Func-
tions currently limited See
Owner's Manual *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance pa ckage: Active Brake Assi stistemp orarily una vailable.
The ambient conditions are outside the sy stem borders . #
Drive on.
As soon as the ambient conditions are within the sy stem borders, the sy stem will become available again. #
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine. Display messages and
warning/indicator lamps 393
5
Engine oil le vel cannot be
measured ............................................ .414
4 Engine oil le velRe duce oil le vel.. 412
4 Engine oil le velSt op vehicle
Switch engine off ................................. 412
4 Engine oil pressure Stop
Switch off engine ................................. 413
6 Front left malfunction Consult
wo rkshop (e xample)............................ 396
Fr ont-passenger airbag disabled See
Owner's Manual ..................................3 97
Fr ont-passenger airbag enabled See
Owner's Manual ..................................3 98
! inoperative See Owner's Man‐
ual ....................................................... 382
÷ inoperative See Owner's Man‐
ual ....................................................... 385
T inoperative See Owner's Man‐
ual ....................................................... 386
G Inoperati ve................................. 392 b
Intelligent Light Sy stem inoper‐
ative ....................................................4 35
ÂKe y not de tected (red displ ay
messa ge).............................................4 22
 Key not de tected (white dis‐
pl ay messa ge).....................................4 22
bLeft dipped beam (e xamp le) ........ 435
6Left windowbag malfunction
Consult workshop (e xample).............. .396
Let fresh air into theve hicle interior!
Air conditioning malf. Visit workshop .. 430
Limiter inoperative .............................. 406
Limiter passive .................................... 405
¢ Lowe ring .................................... 399
b Malfunction See Owner's Man‐
ual ....................................................... 436
ðMaximum speed exceeded ..........4 06
N permanently active Risk of vehicle
ro lling .................................................. 426
ë Off.............................................. 404 Only select
Park (P) when vehicle is
st ationary ............................................ 426
j Operation on ly possible in
tr ansmission position N .......................429
j Operation only possible in
transmission position P ....................... 429
! Parking brake See Owner's
Manual ................................................ 388
 Place theke y in the mar ked
space See Owner's Manual ................. 423
PRE-SAFE impulse side inoperative
See Owner's Manual ........................... 394
PRE-SAFE inoperative See Owner's
Manual ................................................ 394
Ra dar sensors dirty See Owner's
Manual ................................................ 392
_Re ar left seat backrest not
loc ked (e xamp le)................................ .434
h Rectify tyre pressure ...................41 8466
Index
Ø
Refill Ad Blue Eng. start not
possible .............................................. .415
Ø Refill Ad Blue No start in XXX
km ...................................................... .415
Ø Refill Ad Blue See Owne r’s
Manual .................................................4 15
! Release parking brake ................ 387
¸ Replace air cleaner .....................414
, Replace key See Owner's Man‐
ual ...................................................... .421
 Replace key ................................ 421
8 Reser vefuel le vel........................ 414
6 Restra int sys. malfunction Con‐
sult workshop ...................................... 395
Re versing not poss. Consult work‐
shop ....................................................4 27
Risk of vehicle rolling Driver door
open and transmission not in P ...........425
# See Owner's Manual .................. 408
Speed limit (winter tyres) XXX km/h ... 406#St
art engine See Owner's Man‐
ual ...................................................... .408
Ð Steering malfunction Drive
carefully Visit workshop ....................... 431
Ð Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 432
Ð Steering malfunction See Own‐
er's Manual ......................................... 430
Ð Steering malfunction Stop
immediately See Owner's Manual ........ 431
St op vehicle Lea veengine running
Wa itTransmission cooling ...................427
# Stop vehicle Lea veengine run‐
ning ...................................................... 411
# Stop vehicle See Owner's Man‐
ual .......................................................4 09
É Stop vehicle Vehicle too low .......4 00
b Switch off lights ......................... 436
b Switch on headla mps................. 436 To
shift out of P or N,depress brake
and start engine .................................. 425
To p up coolant See Owner ’sManual ... 407
¥ Top up washer fluid .................... 434
j Trailer coupling extending… ........ 423
Tr ansmission Malfunction Stop ........... 427
! Turn on the ignition torelease
th e parking brake ................................ 386
Ty re press. monitor cur rently una vail‐
able ...................................................... 419
Ty re press. monitor inoperative ...........420
Ty re press. monitor inoperative No
wheel sensors .................................... .420
Ty re pressure Check tyres ....................417
Ty re(s) ove rheated ...............................4 20
Ty re(s) ove rheated Reduce speed ........ 421
d Vehicle is operational Switch
off the ignition before exiting .............. 426
É Vehicle rising Please wait.......... .400
É Vehicle rising .............................. 399 Index
467
h
Warning tyre defect ....................419
h Wheel sensor(s) missing ............ 420
Wi thout changing gear, consult work‐
shop ....................................................4 26
Display on the windscreen
see Head-up display
Distance control see Active Dis tance Assi stDISTRONIC
Di stance recorder
see Trip dis tance
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door lock ...............................71
Locking (emergency key) ...................... .76
Opening (from the inside) ......................71
Un locking (emer gency key) .................... 76
Un locking (from the inside) .................... 71
Door cont rol panel .................................... .16
Drive Away Assist .................................... 236
Drive position Selecting .............................................. 173Drive prog
ram display ............................. 17 0
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat
Driving lights see Automatic driving lights
Driving saf ety sy stem ............................ .190
ABS (Anti-lock Braking Sy stem) ........... 191
Ac tive Brake Assi st.............................. 19 6
Ad aptive brake lights .......................... .201
BA S (Brake Assi stSystem) ...................1 91
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 19 6
ESP ®
(Electronic Stability Prog ram)
Crosswind Assist ................................. 19 5
ESP ®
(Electronic Stability Prog ram)
trailer stabilisation .............................. .195
Overview .............................................. 191
Ra dar sensors ...................................... 19 0
Re sponsibility ...................................... 19 0
ST EER CONTROL ................................. 19 6
Driving sy stem
DY NA MIC BODY CONTROL .................. 213Driving sy
stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Lane Keeping Assist
see Active Parking Assist
see Active Steering Assist
see AIR BODY CONTROL
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise contro l:
see Driving saf ety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Remo teParking Assist
see Reversing camera
Driving tips Driving abroad (changing the lights) ....1 27
Gene ral driving tips ............................ .164
Ru nning-in no tes ..................................1 64
Dr ows iness de tection
see ATTENTION ASSIST
DY NA MIC BODY CONT ROL
Suspension .......................................... 213468
Index