Yo
uc an ha vethef ollowing status information for
AT TENTION ASSIS Tdispla yedint he Assis tance
menu of theo n-boar dcomputer:
R The journe ylengt hsince thel astb reak
R The attention le veld etermined byATTENTION
ASSIS T:
- The fuller theb ar is, theh igher thed etec‐
te da ttention le velis
- The bar em pties as attentivenes sdecrea‐
ses
If AT TENTION ASSIS Tcann otcalculat ethe atten‐
tion le vela nd canno tissue awarning ,the Atten-
tion Level messageappears.
If AT TENTION ASSIS Tisdeactivated, the00D7
symbol appear sinthe assis tance graphi cinthe
instrument display whenthee ngine is running.
AT TENTION ASSIS Tisactivated automatically
when thee ngine is re-sta rted. The las tselected
sensitivity le velremain sstore d.
Sy stem limitations
AT TENTION ASSIS Tisactiveint he37 mph
(60 km/h) to124m ph (200 km/h )spee drange.
Th ef unctionality of ATTENTION ASSIS Tisrestric‐
te d, and warnings ma ybedelayedorn otoccur at
all, in thef ollowing situations:
R The journe ylasts less than appr oximately
30 minutes
R The road condition is poor (une venr oad sur‐
fa ce or po tholes)
R The vehicle is subjected toas tron gc rosswind
R Youh ave asporty drivin gstyle (hig hcorner‐
ing speeds or high ratesofa cceleration)
R The time is se tincor rectly
R Youc hang elane sand vary your spee dfre‐
qu ently in activ edriving situations
The ATTENTION ASSIS Tdrow sines sora lertness
assessment is dele teda nd restar tedw hen con‐
tinuin gthe journe yinthefollowing situations:
R Ifyo us wit ch offt he engine
R Ifyo uu nfas teny our seat belt and open the
driver's door (e.g. chang edrive rs or take a
break) Setting
ATTENTION ASSI ST
On-boar dcomputer:
4 Settings 5
DriveAssist
5 Attention Assist (Attention Assist)
Setting options
The following settings ar eavailable:
R Standard
R Sensitive
R Off #
Select asetting. Blin
dSpotA ssist Fu
nction of Blind Spo tAssis twith exitwa rn‐
ing
Blind Spo tAssis tuses tw olateral, rear-facing
ra dar sensor stomonitor thea read irectl ynextto
and on thes ide behind thev ehicle.
% US
Ao nly:
This device has been appr ovedbyt he FCC as
a" Vehicular Radar Sy stem". The radar sensor
is intended foru se in an automotiv eradar
sy stem onl y.Re mo val,ta mp ering, or altering
of thed evice will void an ywarranties, and is
no tp ermit tedbyt he FCC. Do no ttamper
with, alter or use in an ynon-appr ovedw ay.
An yu nauthorize dmodificatio ntothis device
could void theu ser ’sauthority tooperat ethe
equipment. &
WARNING Risk of accident despit eBlind
Spo tAssist
Blind Spo tAssis treacts neither tostationary
object snortovehicles approaching and over‐
ta king youatag reatly di fferent speed.
As aresult, Blind Spo tAssis tcanno twarn
driver sinthese situations. #
Alwaysp aycareful attention tothet raf‐
fi cs ituation and maintai nasafed is‐
ta nce at thes ide of thev ehicle. Blind Spo
tAssis tiso nlyana id. It ma yfail to
de tect some vehicles and is no substitut efor
attentiv edriving. Alw ayse nsur ethat ther eiss uf‐
fi cient dis tance tothes ide foro ther road users
and obs tacles.
If av ehicle is de tected ab oves peeds of appr ox‐
imatel y7.5mp h(12 km/h) and this vehicle sub‐
sequentl yenter sthe monitoring rang ed irec tly
next toyour vehicle, thew arning lam pinthe out‐
side mir rorlights up red. Driving and parking
147
R
The dis tance tothev ehicle in front is too
small, and therefor ethe lane markings cannot
be de tected.
R The lane markings chang equickl y,e.g. lanes
branc hoff,c ross one ano ther or mer ge.
R The road is very nar row and winding.
Ac tivating/deactivatin gLaneK eeping Assist
and Activ eL aneK eeping Assist
On-boar dcomputer:
4 Settings 5
DriveAssist #
Dependin gonvehicle equipment, select Akt.
Spurhalte-Assistent (ActiveLane Keeping
Assist) or Spurhalte-Assistent (LaneKeeping
Assist).
The driving sy stem is activated or deactiva‐
te d, depending on its pr evious status. Wo
rkmode AD
R(wo rkings peed control) Fu
nction of ADR (working speed control)
When activated, ADRa utomaticallyincreases the
engine speed toap rese ts peed or aspeed you
ha ve set.
% Af
terac oldstart, thei dle speed of the
engine is increased automaticall y.Ifth ep re‐
se tw orking speed is lo werthan the
inc reased idle speed ,the working speed is
onl yreached once thee ngine has comple ted
th ew arm-up phase.
It is only possible toactivat eADR withthe
ve hicle stationar yand thep arking brake
applied.
On vehicles wit hautomatic transmission, the
selector le verm ustbeinp osition005D.
Ac tivating/deactivatin gADR #
Toactivate: whilethee ngine is running,
press switch 1.
The Working Speed Governo rActive messa ge
appear sinthe multifunction displa y. #
Todeactivate: whilethee ngine is running,
press switch 2.
ADR goe soutautomatical lyin thef ollowing situa‐
tions:
R Your elease thep arking brake.
R Youd epress theb rake pedal.
R The vehicle mo ves.
R The control unit de tects am alfunction.
Ad justin gADR #
Engag epowe rtake-o ffor acti vate ADR. #
Toincrease: press switch 1. #
Toreduce: press switch 2. Tr
aile roperation Note
sont owing atrailer &
WARNING Risk of accident‑ and injur yif
th el oad is exceeded
If yo ue xceed thep ermitted load when using
th er ack, ther acks ystemm aydisconnect
from thev ehicle and endanger other road
users. #
Alwaysc ompl ywitht he permitted load
when using ther ack. Driving and pa
rking 151
Drivin
gtips
If th et railer sw ays, remember thef ollowing
points:
R Do no taccelerat eunder an ycircums tances.
R Do no tcounter steer.
R If necessar y,appl ythe brakes.
% Yo
uc an pr eventthet railer from sw aying and
rock ingbyretrofitting stabilizer bar sortrailer
st abilit yprograms. Youc an obtain fur ther
information from an authorized Mercedes-
Benz Center.
R Maintain alarge rd ista nce than when driving
without atrailer.
R Avoid braking abruptl y.If possible, brak egen‐
tl yf irst of al lsot hatthet railer closes up
behind your vehicle. Then, increase theb rak‐
ing forc er apidl y.
R The values given fors tart-o ff gradeability
re fertos ea level. When driving in moun tain‐
ous areas, no tethat engine output, and there‐
fo re start-of fgradeability ,will dec rease with
inc reasin galtitude. Coupling/uncoupling
atrailer Coupling
atrailer
* NO
TEDama getothev ehicle batter ydue
to full discharge Charging
thet railer batter yusing thep ower
supply of thet railer can damag ethe vehicle
batter y. #
Do no tuse thev ehicle's po wersupply
to charge thet railer batter y. #
Shif tthe selector le vertop osition 005D. #
Appl ythe vehicle's parking brake. #
Close all thed oors. #
Position thet railer on alevel sur face behind
th ev ehicle.
% The ball head height
changes depending on
th ev ehicle's load. In this case, use atrailer
wit hah eight-adjus table trailer dr awbar. #
Couple up thet railer. #
Establish all electrical and other connections
to thet railer. #
Remo veobject sordevices whic hpreve nt the
traile rfromr olling, e.g. wheel choc ks. #
Release thet railer's parking brake.
% The
vehicle harness has acable connection
to theb rake light indicator lamp.
Obser vethem aximum permissible trailer dimen‐
sions (widt hand length).
Mos tUSs tatesa nd all Canadian pr ovinces pre‐
scribe thef ollowing points, and youa reurge ntly
re commended tocomply wi th these:
R Safetyc hains between thet ow ing vehicle and
th et railer .The chains should be routed in a
criss-cross pat tern unde rthe trailer dr awbar.
The ym ustbec onnected tothet railer tow
hitc hand no ttothe bumper or tothev ehicle
axle.
Lea vesuf ficient sla ckinthec hains. This
allo wsfore vens harp cornering.
R Aseparat ebrake system is requ ired forc er‐
ta in trailers.
R Asafet yf eatur eisrequired forb rake dt railers.
De term ine thes pecific requ irements acco rd‐
ing tother ele vant la ws.
If th et railer becomes de tach ed from thet ow‐
ing vehicle, thes afet yf eatur etrigger sthe
trailer brakes and can thus reduce thed anger.
Un coupling atrailer &
WARNING Risk of being crushed and
becoming trapped whe nuncoupling a
trailer
Whe nuncoupling atrail er wi than engaged
ine rtia-activated brake, your han dmay
become trapped between thev ehicle and the
traile rdrawbar. #
Do no tuncouple trailer swithan
engaged overrun brake. Do no
tuncouple atrailer wit hanoverrun brak ein
as tate ofove rrun. Otherwise, ther ebound of the
ove rrunb rake can damag eyour vehicle. #
Shif tthe selector le vertop osition 005D. #
Appl ythe vehicle's parking brake. #
Close all thed oors. #
Appl ythe trailer's parking brake. #
Secur ethe trailer agains trolling away wit ha
wheel choc kors imilar object. #
Remo vethet railer cables and saf etyc hains. #
Uncouple thet railer. 15 4
Driving and pa rking
Information abou
ttow ing atrailer Operatin
gatrailer is subject toman ystatutory
re gulations suc hasspeedrestrictions.
Man ystatesa lso requ ireana uxiliaryseparate
functional brakin gsystem when towing aweight
th at exc eeds acertain limit .For your saf ety, it is
re commended touse aseparat efunctional brak‐
ing sy stem on an ytowe dvehicle.
Mak esuret hat your trailer combinatio nmeets
local regulations. This no tonlya pplies to your
plac eofr esidence, but also to your destination.
In fo rm atio nont his can be obtained from the
police and local authorities.
Compl ywitht he following when driving wit ha
trailer:
R Practice cornering, stopping and backing up
in at raffic-free location. In this wa y,yo uw ill
ga in driving experience and become accus‐
to med tothen ew handling characteristics.
R Befor edriving, checkt he following:
- that thet railer towh itch and ball coupling
ar es ecure
- that thes afet ys wit ch forb rake dt railer sis
functioning cor rectly
- that thes afet yc hains ar esecur eand
undamaged
- that thee lectrical connection saresecure
- that thel ights ar efunctioning cor rectly
- thew heels ford ama geand cor rect tire
pressur e(/ page 202)
R Adjus tthe outside mir rors so that youh ave a
clea rviewoft herear sectio nofthe trailer.
R Ifth et railer is equipped wit hanindividual
braking sy stem, checkb efor eeachj ourney
whe ther theb rake sa refunctioning cor rectl y.
R Ifth et railer has electronicall ycont rolled
brakes, pull away carefully wi th thevehicle/
trailer combination .Brake manually using the
brak econtroller and checkw hether the
brakes ar efunctioning cor rectl y.
R Secu rethel oad on thet railer in line wit hthe
re qu irements and rules forl oad-securing
me thods.
R When driving wit hatrailer ,chec katr egular
inter vals that thel oad is secur eand that the
light sand brakes ar efunctioning cor rectl y.
R Bea rinm indthat theh andling characteristics
ar em oreu nstable when towing atrailer than when drivin
gwithout atrailer .Avoid sudden
st eering mo vements.
R The vehicle/trailer combination is heavier,
accelerates mor eslowl y,has areduced
climbing ability and an increased braking dis‐
ta nce. It is mor esusceptible toside winds
and requ ires careful steering.
R If possible, do no tbrake suddenl y,but rath er
moderately at firs tsot hatthet railer can acti‐
va te its brakes. Then inc rease thep ressur eon
th eb rake pedal.
R Ifth ea utomatic transmission shifts between
ge arsonu phill or downhill gradients, restrict
th es hiftrange. Select shif trang e4,3,2or1.
Al ow ergear and reduced speed decrease the
ri sk of engine damage.
R When driving on adownhill gradient, shif ttoa
lo we rgear touse thee ngine' sbraking ef fect.
Av oid cons tant braking, as this could cause
th ev ehicle brakes and possibly also the
traile rbrake stoo verheat.
R Ifth ec oolant temp eratur eincreases signifi‐
cant lywhen thea ir-conditionin gsystemis
switched on, switc hthe air-conditioning sys‐
te mo ff.
Coolant heat can also be dissipated by
switching thea irflow and thet emperatur eof
th eh eater or air conditioning tothem aximum
le ve l. Open thew indo wsif necessar y.
R When overtaking ,pay particular attention to
th ei ncreased overtakin gdista nce of your
ve hicle/trailer combination.
Due tothel engt hofy ourvehicle/trailer com‐
bination youw illrequ ireal onger stre tchof
ro ad befor eswit ching bac ktothe original
lane. Pe
rm issible trailer loads and trailer dr awbar
nose weights We
ight information &
WARNING Risk of accident du eto
unbraked trailer wit hexcessivel yhigh
gross weight
If yo ut ow atrailer without aseparat efunc‐
tional brakin gsystema ndagross trailer
we ight (G TW)ofm oret han 1635 lbs (750 kg),
th en thev ehicle brak esystemm ayove rheat.
This increases theb raking dis tance and the
brak esystem ma yevenf ail. Driving and parking
15 5
Overvie
wofInstrument Display &
WARNING Risk of accident du etoan
instrumen tdispla ymalfunction
If th eI nstrument Displa yhasfailed or mal‐
functioned, youm aynotrecognize function
re strictions applying tosaf etyr ele vant sys‐
te ms.
The operating saf etyofy ourvehicle ma ybe
impaired. #
Driv eonc arefull y. #
Have thev ehicle checkedi mmediately
at aq ualified specialis tworks hop. If
yo ur vehicle's operational saf etyisi mpaired,
par kthe vehicle in asafel ocation immediatel y.
Infor maq ualified specialis tworks hop.
Instrument Display Example: Instrument Displa
ywithc olor display
1 Speedome ter
2 Multifunction display
3 Tach ome ter
4 Coolan ttemperatur edisplay
5 Fuel le vela nd tank cap position displ ay
In normal driving mode, coolant temp eratur edis‐
play 4is permitted torise tother ed marking. Example: Instrument Displa
ywithb lacka nd white
display
1 Speedome ter
2 Indicator lamps display
3 Tach ome ter
4 Multifunction display
* NO
TEEngine damag eduetoexc essively
high engine speeds The engine will be damaged if
youd rive with
th ee ngine in theo verrev ving range. #
Do no tdrive with th eengine in theo ver‐
re vving range. Whe
nthe redm arking in tach ome ter3 is
re ached (o verspeed range) ,the fuel supply will be
inter rupte dino rder toprotect thee ngine. &
WARNING Danger of bu rnsw hen open‐
ing theh ood
If yo uo pen theh ood when thee ngine has
ove rheated or during afireint he engine com‐
partment, youc oul dc om eintoc ontact wi th
ho tg ases or other escaping operating fluids. #
Befor eopening theh ood, allo wthe
engine tocool down. #
Inthee vent of afireint he engine com‐
partment, keep theh ood closed and call
th ef ires ervice. 15 8
Instrument Displa yand on-boar dcomputer
Setting
thei nstrument lighting #
Turn brightness control knob 1upwards or
down wards.
The lighting on theI nstrument Displa yand
th ec ont role lements in thev ehicle interior is
set.
% In
vehicles without brightness contro lknob
1 ,the instrument lighting can be se tviathe
on-boar dcomputer (/ page163). Menus and submenus
Callin
gupf unction sont he servic emenu On-boar
dcomputer:
4 Service #
Selec tand con firm ther equired function.
The following function sareavailable on the
Service menu:
R Messages:m essagememo ry (/ pag e247)
R DEF:D isplayst he DEF rang ea nd le vel
( / pag e128)
R Tires:
- Che ckst he tir epressur ewitht he tire
pressur emonitoring sy stem
(/ page209)
- Restarts thet irep ressur emonitoring sys‐
te m( /pag e210)
R ASSYST PLUS:c alls upthes ervice due date
(/ page173)
R Engine Oil Level :measures engine oil le vel
R Long-term consumption Calling up
thea ssistant display On-boar
dcomputer:
4 Assistance #
Selec tthe desired displa yand confirm.
The following displa ysarea vailable on thea ssis‐
ta nt displ ay:
R Assi stant display
R Attention le vel(/ pag e146) #
Switc hbetwe en thed ispla ysand con firm the
selected displa y. Instrument Displa
ywithc olor display
The following status displa ysarea vailable on the
assis tant displ ay:
R 00D7 :ATTENTION ASSIS Tswitched off
R Displa ysoftheA ctiv eDista nce Assi st
DISTRONI C(/pag e142) Instrument Displa
ywithb lack and whit edisplay
The following status displa ysarea vailable on the
assis tant displ ay:
R Lane markings dotted: Lane Keeping Assist
switched off Instrument Displa
yand on-boar dcomputer 161
R
Lane markings solid and thin: Lane Keeping
Assis tswitched on, no tready toissue warn‐
ings
R Lane markings solid and thick: Lane Keeping
Assis tready toissue warnings Calling up displa
yson thet ripm enu On-boar
dcomputer:
4 Trip #
Selec tthe desired displa yand confirm.
The following displa ysarea vailable on thet rip
menu:
R Standar ddisplay
R Rangea nd cur rent fue lconsu mption
Wi th cer tain engines arecuperation displa yis
also shown. If only asmall amount of fue lis
lef tint he fuel tank ,av ehicle being refueled
appear sins tead of thea ppr oximat erange.
R ECOd ispl ay ( /pag e113 )
R Trip computer:
- FromS tart
- FromR eset
R Digital speedom eter Instrument Displa
ywithc olor display
St andar ddispla y(example)
1 Trip dis tance
2 Totald ista nce Instrument Displa
ywithb lacka nd whit edisplay
St andar ddispla y(example)
1 Trip dis tance
2 Totald ista nce Instrument Displa
ywithc olo rdisplay
Tr ip computer (e xamp le)
1 Distance co vered( from start/ from reset)
2 Driving time (from start/from reset)
3 Averag espeed (from start/from reset)
4 Averag efuel consum ption (from start/from
re set) Instrument Displa
ywithb lacka nd whit edisplay
Tr ip computer (e xamp le)
1 Distance co vered( from start/from reset)
2 Driving time (from start/from reset)
3 Averag espeed (from start/from reset)
4 Averag efuel consum ption (from start/from
re set) 16 2
Instrument Displa yand on-boar dcomputer
Note
sonl oading guidelines &
DANG ER Risk of poisonin gfrome xhau st
ga ses
Combustion engines emit poisonous exhaust
ga ses, suc hascarbon monoxide. Exhaust
ga ses can enter thev ehicle interior if the
re ar-en ddoor is open when thee ngine is run‐
ning ,especially if thev ehicle is in motion. #
Alwayss witc hoffthee ngine before
opening ther ear-end door. #
Neverd rive wit hthe rear-en ddoor
open. &
WARNING Risk of inju ryfrom unsecu red
object sinthevehicle
When objects ar eunsecured or inadequately
secured, they can slip, tip overorbet hrown
about, striking vehicle occupants.
This also appliest o:
R Luggag eorl oads
R Seats whic hhave been remo veda nd are
being transpor tedint hevehicle in an
ex ceptiona lcase
The reisar isk of injur y,particular lyin the
eve nt of braking maneuver sorabrupt
ch anges in direction. #
Alwayss towo bjectsins uchaw aythat
th ey canno tbetossed about. #
Befor etrave ling, secur eobjects, lug‐
ga ge or load topreve ntthem slipping or
tipping over. #
When aseat is remo ved, keep it prefera‐
bly outside thev ehicle. &
WARNING Risk of inju rydue toobjects
being stowedincor rectly
If yo udon otadequatel ystowo bjectsint he
ve hicle interior ,the yc ould sli porbet ossed
around and thereb ystrik evehicle occupants.
In addition, cup holders, open stowage
spaces and mobile phon ebrack etsc annot
al wa ys restra in theo bject stheyc ontai nint he
eve nt of an accident.
The reisar isk of injur y,particular lyin the
eve nt of sudden braking or asudde nchange
in direction. #
Alwayss towo bjectsins uchaw aythat
th ey canno tbetossed about in these or
similar situations. #
Alwaysm akes uret hat objects do not
project from stowages paces, parcel
nets or stowagen ets. #
Close thel oc kable stow ages paces
befor estarti ngajou rney. #
Stow and secur eobject sthat ar eheavy,
hard, poin ted, sharp-edged, fragile or
to ol arge inthec argo compartment. &
WARNING Risk of bu rning from thet ail‐
pipe or tailpipe trim
The tailpipe and tailpipe trim can become
ve ry hot. If youc om eintoc ontact wi th these
car parts, youc oul db urny ourself. #
Alwaysbep articularly careful when in
th ev icinit yoft hetailpipe and tailpipe
trims and supervise children very
closely whe ninthis area. #
Befor eanycon tact, allo wthe car parts
to cool down. If
yo ua reusin gar oofrack ,p lease no tethem axi‐
mum roof load and them aximum load capacity of
th er oof rack.
Yo uw illfind information abou tthe maximum roof
load in the" Tech nical data" chap tera nd informa‐
tion abou troof rack sint he "Car rier sy stems"
section .
Camera-based driving sy stems and thes ensor
functions of thei nside rearvie wmirro rm aybe
impaire difyou ar etranspo rting aload on the
ro of and it pr otru des mor ethan 16in (40 cm)
ove rthe edg eoftheroof. Therefore, mak esure
th at thel oad does no toverhang bymor ethan
16 in (40 cm).
The handlin gcharacteristics of your vehicle are
dependent on thel oad distribution. Therefore,
please obser vethef ollowing no tesw hen loading:
R when transporting aload, ne vere xceed the
permissible gross mass or theg ross axle
we ight rating fort he vehicle (including occu‐
pants). The values ar especified on thev ehi‐
cle identification plat eonthe B-pillar.
R thel oad mus tnotprotru de abo vetheu pper
edg eoft he seat backrests.
R if possible, alw ayst ranspor tthe load in the
cargo compa rtment. 16 6
Transporting