
If
th ev ehicle is braked sharply from speeds
abo ve50 km/h, theb rake lamps flash rapidly.
This pr ovides traf fict rave lling behin dyou wit han
eve nm oren oticeable warning.
If th ev ehicle is tra velling at speeds of mor ethan
70 km/h at theb eginnin gofthe brak eapplica‐
tion ,the hazar dwarning light sswitc hono nce
th ev ehicle is stationar y.When pulling away
again, theh azar dwarning light sswitc hoffauto‐
matically at appr oximatel y10k m/h .You can
also switc hofftheh azar dwarning light susing
th eh azar dwarning button. Cruise control and limiter
Fu
nction of cruise control
Cruise cont rola ccelerates and brakes thev ehi‐
cle automaticall yinorder tomaintain aprevi‐
ously stored speed.
If yo ua ccelerat etoovertake, fore xamp le,the
st ored speed is no tdele ted. If your emo veyour
fo ot from thea ccelerator pedal af tero vertaking,
cruise control will resume speed regulation back
to thes tore ds peed. Yo
uc an operat ecruise cont rolw itht he cruise
control le ver.
If yo uf ail toadap tyour driving style, cruise con‐
trol can neither reduce ther isk of an accident
nor override thel aws of ph ysics. It canno ttake
int oa ccount road, weather or traf ficc onditions.
Cruise control is only an aid. Youa re re sponsible
fo rt he dis tance tothev ehicle in front, forv ehi‐
cle speed, forb raking in good time and fors tay‐
ing in lane.
Sy stem limitations
Cruise control ma ybeunable tomaintain the
st ored speed on uphill gradients. The stored
speed is resumed when theg radient evens out.
Chang eintoal owergear in good time on long
and steep downhill gradients. Take particular
no te ofthis when drivin galaden vehicle. By
doing so, youw ill mak euse of theb raking ef fect
of thee ngine. This relie vest he load on theb rake
sy stem and pr events theb rake sf romo verheat‐
ing and wearing tooq uickl y. Do no
tuse cruise control in thef ollowing situa‐
tions:
R In traf fics ituations whi chrequ iref requ ent
ch anges of speed, e.g .inheavy traf fic, on
winding roads.
R On slippe ryroads. Accelerating can cause
th ed rive wheels tolose traction and the
ve hicle could then skid.
R Ifyo ua redrivin gwhen visibilit yispoor.
Fu nction of thel imiter
The limiter restricts thes peed of thev ehicle. To
re duce thes peed swiftl ytothe se tspeed, the
limiter applies theb rake sa utomatically.
Yo uc an limit thes peed as follo ws:
R Variable: fors pee dlimits, e.g. in built-up
areas.
R Perm anen t:forl ong-ter mspee drestrictions,
e.g .whend riving wi thwinter tyres fitted.
If yo uf ail toadap tyour driving style, thel imiter
can neither reduce ther isk of an accident nor
ov erride thel aw sofp hysics. It canno ttak ei nto
account road, weather or traf ficc onditions .The
limiter is only an aid. Youa re re sponsible fort he 206
Driving and parking

%
Ifyo up erform akickdown, thev ariable lim‐
iter is swit ched topassiv emode. The varia‐
ble limiter is operational again once the
speed drops belo wthe stored speed.
% Ifyo ub rake ,d eactivat eESP®
or if ESP ®
inter venes, cruise control is deacti vated. The
va riable limiter is no tdeactivated.
When yous wit ch offt he vehicle, thel ast
speed stored is cleared.
Pe rm anen tlimi ter
If th ev ehicle should ne vere xceed aspecific
speed (e.g. ford riving in winter tyr emode) ,you
can se tthis speed wit hthe permanent limiter.
Yo udot hisbylimiting thes peed toav alue
between 160k m/h and 240k m/h in them ulti‐
media sy stem (→ page209).
Shortl ybefor ethe se tspeed is reached, it
appear sinthe multifunction displa y.When you
confir mthe messag ewith%,d isplaymes‐
sages no longer appear until yous wit ch offt he
ve hicle. The speed will onl ybedisplayeda gain
onc ethe vehicle has been restar ted. The permanen
tlimiter does no tswitc htop as‐
siv em ode evendurin gkickdown and thed riven
speed remains belo wthe se tspeed.
Setting thes peed limitation forw inte rt yres
Multimedia sy stem:
, Vehicle .
î Vehicle settings .
Win-
ter tyres limit #
Select aspeed or deactivat ethe function. Ac
tiv eD ista nce Assis tDISTR ON IC Fu
nction of Activ eD ista nce Assist
DISTRO NIC
Ac tiveD ista nce Assi stDISTRONIC
R Maintains thes etspeed and accelera tesor
decelerates thev ehicle if thed istan ce from
th ev ehicle in front permits.
R Assists youinm aintainin gthe dis tance from
th ev ehicle in front and can bring your vehi‐
cle toas tandstil lifnecessar y.
R Brakes your vehicle wit hupto50%oft he
maximum possible braking po wer.If greater
decele ratio np erform ance is requ ired, avis‐ ual and acoustic
warning is given and you
mus tthen inter vene yourself.
R Vehicles with Drivin gAssistanc ePack‐
age, Activ eP arking Assis tand COMAND
Online: when driving in stop-s tart traf fic, the
driver is suppor tedbye xtended automatic
re -sta rt in traf ficj ams.
R Vehicles with Drivin gAssistanc ePack‐
age: responds tostationar yvehicles in urban
speed ranges (e xcep tb icycles, mo torcyc les
and pedestrians) if condition saresuf ficient
to enable de tection.
If yo uf ail toadap tyour driving style, Ac tiveD is‐
ta nce Assi stDISTRONI Ccan nei ther reduce the
ri sk of an accident nor override thel aws of ph ys‐
ics. It canno ttak ei ntoa ccount road, weather or
traf ficc onditions .Activ eDistan ce Assi st
DISTRONI Cisonly an aid. Youa re re sponsible
fo rt he dis tance tothev ehicle in front, forv ehi‐
cle speed, forb raking in good time and fors tay‐
ing in lane.
If all activation condition saremet, youc an acti‐
va te ActiveD ista nce Assi stDISTRONI Cdurin ga
jou rney or while stationar y.When ActiveD is‐ Driving and pa
rking 209

Note
sons nowc hains &
WARNING Risk of accident du etoincor‐
re ct sno wchain fitting
If yo uh ave fitted sno wchains tothef ront
wheels, thes nowc hains ma ydraga gainst
th ev ehicle body or chassis components.
This coul dcaus edamag etothevehicle or
th et yres. #
Neverfit sn ow ch ains on thef ront
wheels. #
Onlyfit sn ow ch ains on ther ear wheels
in pairs. *
NO
TEDama getothew heel trim from fit‐
te ds nowc hains If sno
wchains ar efitted tosteel wheels, the
wheel trims can be damaged. #
Remo vethew heel trims of steel wheels
befor efittin gsnowc hains. R
Sno wchains ar eonly pe rmissible forc ertain
wheel/tyr ecombinations .You can obtain information aboutt
his fromaMercedes-Benz
Service Cent re.
R Fors afet yr easons, onl yuse sn owchains that
ha ve been specifically appr ovedfor your
ve hicle byMercedes-Benz, or sno wchains
wit hthe same qualit ystandard.
R If sn owchains ar efitted, them aximum per‐
missible speed is 50 km/h.
R Vehicles with Activ eP arking Assis t:do
no tu se ActiveP arking Assis twhen snow
ch ains ar efitted.
R Vehicles with AIRB ODYC ONT ROL:only
driv eatr aised vehicle le velw hen snow
ch ains ar efitted.
% Youc an permanentl ylimit them aximum
ve hicle speed ford riving wit hwinter tyres
(→ pag e209).
% Youc an deactivat eESP®
to pull away
( → pag e200). This allo wsthew heels to
spin, achieving an increased driving forc e. Ty
re pressure Note
sont yrep ressure &
WARNING Risk of accident du etoinsuf‐
fi cient or excessiv etyrep ressure
Underinfla tedoro verinfla tedt yres pose the
fo llowing risks:
R The tyres ma yburst,e speciall yasthe
load and vehicle speed increase.
R The tyres ma ywear excessivel yand/or
une venly, whic hmaygreatly impair tyre
traction.
R The drivin gcharacteristics, as well as
st eering and braking, ma ybegreatly
impaired. #
Comply wit hthe recommended tyre
pressur eand checkt he tyr epressur eof
all tyres including thes par ew heel regu‐
larly:
R at leas tonce amonth
R when thel oad changes Wheels and tyres
429

The tyr
epressur etable sho ws therecommended
tyr ep ressur efor all tyres appr ovedfor this vehi‐
cle. The recommended tyr epressures apply for
cold tyres under various operating conditions,
i.e. loading and/or speed of thev ehicle.
If one or mor etyres izes precede atyrep res‐
sure, thet yrep ressur einformation following is
onl yvalid fort hose tyr esizes. If
th ep receding tyr esizes ar ecomplemented by
the + symbol, thet yrep ressur einformation
fo llowing sho wsalternativ etyrep ressures.
Thes etyrep ressures ma yimp rove your vehicle's
ri de comfort. Fuel consum ption ma ythen
increase slightly.
The load conditions "partially laden" and "fully
laden" ar edefined in thet able ford iffe re nt num‐
be rs of passenger sand amounts of luggage. The
actual number of seats ma ydiffe rf romt his.
Be sur etoalso obse rvet he following fur ther
re lated subjects:
R Notesont yrep ressur e(→pag e429) Ty
re pressur emonitoring sy stem Fu
nction of thet yrep ress urem onitoring sys‐
tem
The sy stem checks thet yrep ressur eand the
tyr etemperatur eofthe tyres fitted tothev ehicle
by means of atyrep ressu resensor.
Ne wt yrep ressur esensors, e.g. in winter tyres,
ar ea utomatically taught-in thef irst tim etheya re
driven. The tyr
epressur eand thet yret emperature
appear in them ultifunction display
(→ pag e264).
If th er eisas ubstantia lpressur elossorift he
tyr etemperatur eisexcessive, awarning will be
given:
R Viad ispla ymessages (→ page502).
R Viat he h warning lam pinthe instrument
clus ter( →pag e538).
It is thed rive r's responsibility tosetthe tyre
pressur etotherecommended cold tyr epressure
suitable fort he operating situation. Se tthe tyre
pressur efor cold tyres using atyrep ressu re
ga uge. Notethat thec orrect tyr epressur efor
th ec urrent operating situatio nmustfirst be
ta ught-in tothet yrep ressur emonitoring sys‐
te m.
In mos tcases, thet yrep ressur emonitoring sys‐
te mw illa utom atical lyupdat ethe ne wreference
va lues af tery ou ha vechanged thet yrep ressure.
Yo uc an,h owe ver,also updat ethe refere nce val‐
ues byrestartin gthe tyr epressur emonitoring
sy stem manually (→ page432). Wheels and tyres
431

Obser
vethef ollowing when selecting, fitting and
re placing tyres:
R Countr y-specific requirements fort yre
appro valthat define aspecific tyr etype for
yo ur vehicle.
Fu rthermore, theu se of cer tain tyr etypes in
cer tain regions and areas of operation can
be highl ybeneficial.
R Onlyuse tyres and wheels of thes ame type
(summer tyres, winter tyres, MOEx tended
tyres) and thes ame make.
R Onlyfit wheel softhe same size on one axle
(lef tand right).
It is onl ypermissible tofitad iffe re nt wheel
size in thee vent of aflat tyr einorder to
driv etot he specialis tworks hop.
R Onlyfit ty resoft he cor rect size ont othe
wheels.
R Do no tmakea nymodifications totheb rake
sy stem, thew heels or thet yres.
The use of shims or brak edusts hields is not
permitted and ma yinva lidat ethe vehicle's
ge neral operating pe rmit. R
Vehicles with atyrep ressur emonitoring
sy stem: allfitted wheels mu stbe equipped
wit hfunctioning sensor sfor thet yrep res‐
sur em onitoring sy stem.
R Attemp eratures belo w7°C, use winter tyres
or all-season tyres mar kedM +Sfora ll
wheels.
Wi nter tyres bearing thei snowflake
symbol in addition totheM +S marking pro‐
vide theb estp ossible grip in wintr yroad
conditions.
R ForM +S tyres, only use tyres wit hthe same
tread.
R Obser vethem aximum permissible speed for
th eM +S tyres fitted.
If th is is belo wthe vehicle's maximum speed,
th is mus tbeindicated in an appropriat elabel
in thed rive r's field of vision.
R Runinn ewtyres at moderat espeed sfor the
fi rs t1 00 km.
R Replace thet yres af ters ixyearsatt he latest,
re ga rdless of wear. R
When replacing with tyres that do not
fe atur erun-flat characteristics: vehicles
wit hM OExtended tyres ar enotequipped
wit haT IREFIT kit at thef actor y.Equi pthe
ve hicle wit haTIREFIT kit af terr eplacing with
tyres that do no tfeatur erun- flat characteris‐
tics, e.g .winter tyres.
Fo rm orei nformation on wheels and tyres, con‐
ta ct aq ualified specialis tworks hop.
Be sur etoalso obse rvet he following fur ther
re lated subjects:
R Notesont yrep ressur e(→pag e429)
R Tyre pressur etable (→ page430)
R Notesont he emer gency spa rewheel
(→ pag e446) Note
soni nterchanging wheels &
WARNING Risk of inju rythro ugh dif fer‐
ent whee lsizes
Inter changing thef ront and rear wheels if the
wheels or tyres ha vediffere nt dimensions Wheel
sand tyres 439

Displa
ymessages
Possible causes/consequences and M
MSolutions
Cruise control and Limiter
inoperative *C
ruise control and thel imiter ar emalfunctioning. #
Consult aqualified specialis tworks hop.
Limiter inoperative *T
he limiter is malfunctioning. #
Consult aqualified specialis tworks hop.
È ---km/h *T
he limiter canno tbeactivated as no tall activation conditions ha vebeen fulfilled. #
Obser vethea ctivation conditions of thel imiter .
Speed limit (winter tyres)
XXX km/h *Y
ou ha vereached thes tore dm aximum speed forw inter tyres. It is no tpossible toexc eed this speed.
ð Maximum speed exceeded *T
he maximum permissible speed has been exceeded (onl yfor cer tain countries). #
Driv emores lowl y. 492
Displa ymessages and warning/indicator lamps

6Re
stra int sys. malfunction Con‐
sult workshop ...................................... 479
Re versing no tposs. Consult work‐
shop ..................................................... 512
Rises or lo wersmax. speed 35
km/h .................................................. .485
Risk of vehicle rolling Driver door
open and transmissio nnotin P ............ 51 0
# See Owner's Manual ................... 494
Spee dlim it (winter tyres) XXX km/h ... 492
#St arte ngine See Owner' sMan‐
ual ...................................................... .494
Ð Steering malfunction Drive
carefull yVisit workshop ....................... 514
Ð Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ....51 5
Ð Steering malfunction Stop
immediatel ySee Owner's Manual ........51 5
St op vehicle Lea veengine running
Wa itTransmission cooling ....................512#
Stop vehicle Lea veengine run‐
ning ..................................................... 495
#St opvehicle See Owner's Man‐
ual .......................................................4 95
ÁSt opvehicle Vehicle tool ow ........ 484
bSwitc hofflights .......................... 520
bSwitc honheadlamps .................. 520
To shif tout of PorN,d epress brake
and star te ngine .................................. .510
To pupc oolant See Owner ’sManual ... 493
¥To pupwasherfluid ...................... 51 8
Tr af ficS ign Assi stCamer aview
re stricted See Owner's Manual ........... 489
Tr af ficS ign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 489
Tr af ficS ign Assi stinope rative ............. 489
jTr ailer coupling extending… ......... 508
Tr ansmission Malfunction Stop ............ 512
! Turn on thei gnition torelease
th ep arking brake ................................ 470Ty
re press. monitor cur rentl yu navail‐
able .................................................... .504
Ty re press. monitor inoperative ...........505
Ty re press. monitor inoperativ eNo
wheel sensors .................................... .505
Ty re pressur eChec ktyres ...................5 02
Ty re(s) ove rheated ...............................5 05
Ty re(s) ove rheated Reduce speed ........ 506
dVe hicle is operational Switch
of ft he ignition befor eexiting ............... 511
Á Vehicle rising Please wait............ 484
ÁVe hiclerising ...............................4 83
hWa rning tyr edefect .................... .504
hWheel sensor(s) missing ............. 505
Wi thout changing gear,c onsult work‐
shop ..................................................... 511
Displa yonthe windsc reen
see Head-up display
Distance control see ActiveD ista nce Assi stDISTRONIC 552
Index