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
Ve
hicles with Blind Spo tAssis t:driver scan
also be warned of an ycrossing traf ficw henb ack‐
in gupo ut ofaparkin gspace. If avehicle is
de tected, thew arning lam pinthe outside mir ror
on ther ele vant sid elights up red. If it de tects a
critica lsituation, awarning tone also sounds.
Ve hicles with Blind Spo tAssis tand Parking
Assis tPARKTRONIC: driverscan also be warned
of an ycrossing traf ficw henb ackin gupo ut of a
parkin gspace. If acritical situation is de tected, a
wa rning symbol appear sonthe camera imag eof
th em ultimedia sy stem. If thed rive rd oes not
re spond tothew arning ,the vehicle's brakes can
be applieda utomatically.In this case, awarning
to ne sounds.
The Rear Cross Traf ficA lertfunction is acti ve
unde rthe following conditions:
R BlindSpotA ssis tisa ctivated.
R Reverseg ear is engaged or thev ehicle is
backing up at walkin gpace.
R Ifth em aneuvering assis tance function is acti‐
va tedint he multimedia sy stem.
The Rear Cross Traf ficA lertfunction is una vaila‐
ble when driving wit hatrailer. Lane
Keeping Assis tand Activ eL aneK eeping
Assist Fu
nctions of Lane Keeping Assist Lane
Keeping Assis tmonitor sthe area in front of
yo ur vehicle wit hmultifunction camera 1.It
ser vestop rotect youa gains tunin tentionally le av‐
ing your lane .You ma yalso be warned by a
vibrating messa gefrom thes teering wheel and by
th es tatus symbo lflashing in thei nstrument dis‐
pla y. The
warning is issued when thef ollowing condi‐
tions ar emetat thes ame time:
R Lane Keeping Assis tdetects lane markings.
R Afront wheel passe soverthe lane markings.
Yo uc an activat eand deactivat ethe Lane Keeping
Assis twarning.
If yo uf ail toadap tyour driving style, Lane Keep‐
ing Assis tcan neither reduce ther isk of accident
nor override thel aw sofp hysics. It canno ttake
int oa ccount road, weather or traf ficc onditions.
Lane Keeping Assis tisonlyana id and is not
intended tokeep thev ehicle in thel ane without
th ed rive r's cooperation. Youa re re sponsible for
th ed ista nce tothev ehicle in front, forv ehicle
speed, braking in good time and fors taying in
yo ur lane.
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ther eisp oor visibilit y,e.g. due toinsuf ficient
illumination of ther oad, high lyvariable shade
conditions, or due torain, sno w,fogorh eavy
spr ay.
R Glar efromo ncomin gtraf fic, direct sunligh tor
re flections.
R Ther eisd irtont he windshield in thev icinity
of them ultifunction camer aorthe camera is
fo gged up, damaged or obscured.
R No or se veral, unclear lane markings ar epres‐
ent foro ne lane, e.g. in aconstruction area.
R The lane markings ar eworn, dar korcovered.
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. Drivin
gand parking 14 9
Re
setting values on theo n-boa rdcompu ter
trip menu On-board computer:
4 Trip
% The spelling of
thed ispla yedm ain menu may
dif fer. Therefore, pa yattention tothem enu
ove rviewf orthei nstrument display
(/ page159).
Yo uc an rese tthe values of thef ollowing func‐
tions:
R Trip Odometer:
- Reset Trip Odometer?
R Trip computer:
- FromS tart
- FromR eset
R ECOd isplay #
Selec tthe function that is tobe rese ta nd
confir mthis selection. #
Confir mtheReset Values? promptwith Yes. Calling up settings on
theo n-boa rdcompu ter On-boar
dcomputer:
4 Settings
The following ent ries can be se tonthe Settings
menu:
R DriveAssist
- Switching ESP(ESP) on and off
- Switching Akt. Spurhalte-Assistent (Active
Lane Keeping Assist) on and off
- Switching Spurhalte-Assistent (Lane
Ke eping Assist) on and off
- Switching Aktiver Brems-Assistent (Active
Brak eAssist) on and off
- Switching Totwinkel-Assistent (Blind Spot
Assist) on and off
- Switching Attention Assist (Attention
Assist) on and off
R Light
- Switching Tagfahrlicht (Daytimerunning
lights )ona nd off
- Switching Leuchtzeitinnen (Illumination
pe riod inside) on and off
- Switching Leuchtzeit außen (Illumination
period outside) on and off -
Switching Auffindbeleuchtung (Locator
lighting) on and off
- Setting Instrument lighting
R Vehicle
- Setting Winterreifen-Limit (Winter tires
limit)
- Switching Akust.Schließen (Acoustic
locking) on and off
- Switching Autom. Verriegelung (Autom.
locking) on and off
- Switching Ruhezustand (Standby) on and
off
- Switching Regensensor (Rainsensor) on
and off
R Setting Heating
R Displa yand Operation
- Selecting Sprache (Language)
- Setting Uhrzeit
- Setting Datum
- Setting Einheiten
- Switching pe rmanent Display DE VLevel
on and off
- Operation: Swit chAkust. Bedienrückmeld.
(Acou stic operational feedback) on and
of fa nd set Touch-Control-Empfindl.
(Touch-Cont rols ensitivity)
R Factory Settings:R estoring settings #
Select an entr yand confir mthe selection. #
Mak ethe necessar ychanges. Instrument Displa
yand on-boar dcomputer 16 3
#
Nevertouc hthe danger zone sur round‐
ing movin gcomponent parts ,e.g.t he
ro tatio na reaoft hefan. #
Remo vejewe lrya nd watches. #
Keep items of clo thing and hair away
from moving parts. &
WARNING Risk of bu rnsf romh otcom‐
ponent parts in thee ngine compartment
Cer tainc omponents in thee ngine compart‐
ment can be very hot, e.g. thee ngine, the
ra diator and parts of thee xhau stsystem. #
Allo wthe engine tocool down and only
to uc hc omponent parts desc ribed in the
fo llowing. If
yo uh ave tocar ryout an yworkint he engine
compartment, touc ho nlyt he following compo‐
nents:
R Hood
R Engine oil filler openin gcap
R Washer fluid reser voir cap
R Coolant expansion reser voir cap #
Open theh ood (/ page180). #
Remo vedirtfromw ater drain valve 2 of air
intak ebox1 . Draining
thef uel filter &
WARNING Danger of fire and explosion
due tofuel
Fu els ar ehighly flammable. #
It is essential toavoid fire ,o pen flames,
smokin gand creating spar ks. #
Befor efilling up, switc hoffthee ngine,
and, if applicable, thea uxiliar yheating. &
WARNING Risk offire and explosion due
to fuel
Fu els ar ehighly flammable. Ther eisarisk of
fi re and explosion due tocontact wi thhot
component parts. #
Allo wthe engine and thee xhau stsys‐
te mtoc ool down. *
NO
TEEngine damag eduetodela yed
drainag eofthe fuel filter Ve
hicles with adiese lengine: delayed
drainag eofthe fuel filter can lead toengine
damage.
If the 003A indicator lam plights up, drain the
fuel filter immediately. +
ENVIRONMENTAL
NOTEEnvironmental
pollution du etodisposal in anon-envi‐
ro nmental ly-friendly manner #
Dispose of thew ater/fuel mixtur einan
environmentally-friendly manner. Mo
torO M642 #
Park thev ehicle in asafel ocation and secure
it agains trolling away. #
Switc hoffthea uxiliar yheating
(/ page100). #
Switc hoffthee ngine. #
Open theh ood (/ page180). Maintenance and care
187
Re
ar axle tir epressures on vehicles with rear wheel driv eand Super Single tires
Max. rear axle load 7055 lbs (3200 kg)Ti
re s/disc wheel Vehicl eload Max.rear axle load
7055 lbs (3200 kg)
225/75R16C 121/120R (122L) Fullyl aden
690 kPa(6.9b ar/100 psi) 3)
285/65R16C 131R Fully laden 460 kPa(4.6b ar/6 7psi) Max
.rear axl eload 7716 lbs (3500 kg) Ti
re s/disc wheel Vehicl eload Max.rear axle load
77 16 lbs (3500 kg)
225/75R16C 121/120R (122L) Fullyl aden
690 kPa(6.9b ar/100 psi) 3)
285/65R16C 131R Fully laden 520 kPa(5.2b ar/7 5psi) 3)
Va lid touse foras horttime as aspar ew heel
on ther ear axle foram aximu mdista nce of
62 miles (100 km) and amaximum speed of
34 mph(55 km/h).
Be sur etoalso obse rvet he following fur ther rela‐
te ds ubjects:
R Notesont irep ressur e(/pag e211 )
R Tire and Loadin gInforma tionp lacard
(/ page217 )
R Maximum tirep ressur e(/ page 222) Ti
re pressur emonitor Fu
nction of tir epressur emonitor on single
tires &
DANG ER Risk of acciden tdue toincor‐
re ct tir epressure
Ever ytire, including thes par e(if pr ovided),
should be checkedw hen cold at leas toncea
mont hand inflated tothep ressur erecom‐
mended bythev ehicle manufacturer (see Tire
and Loadin gInforma tionp lacar dont he B-pil‐
lar on thed rive r’ss ide or thet irep ressure
label on thei nside of thef uel filler flap of your
ve hicle). If your vehicle has tires of adiffe re nt
size than thes ize indicated on theT irea nd
Loading In form atio nplacar dort he tirepres‐
sur etable, youn eedtod etermine thep roper
tir ep ressur efor those tires.
As an added saf etyf eature, your vehicle has
been equipped wit hatirep ressur emonitor‐ ing sy
stem (TPMS) that illuminates alow tire
pressur eindicator lam pwhen one or mor eof
yo ur tires ar esignificantl yunde rinfla ted.
Ac cording ly,ift he lo wtirep ressur eindicator
lam plights up, yous houl dstopa nd check
yo ur tires as soon as possible, and inflate
th em tothep roper pressure. Driving on asig‐
nificant lyunde rinfla tedt irec auses thet ireto
ove rheat and can lead totiref ailure. Underin‐
fl atio nalso inc reases fuel consum ption and
re duces tir etread life, and ma yaffect the
ve hicle's handling and braking ability .Please
no te that theT PMS is no tasubstitut efor
proper tir emaintenance, and it is thed rive r's
re sponsibility tomaintain cor rect tir epres‐
sure, evenifu nderinflation ha snotreached
th el eve ltot rigger illumination of theT PMS
lo wt irep ressur eindicator lamp.
Yo ur vehicle has also been equipped wit ha
TPMS malfunction indicator toindicat ewhen
th es ystemisn otoperating properly .The
TPMS malfunction indicator is combined with
th el ow tirep ressur eindicator lamp. When
th es ystemd etects amalfunction, thei ndica‐
to rlam pw illf lash fora pproxima tely am inute
and then remain continuously illumina ted.
This sequence will continue upon subsequent
ve hicle start-ups as lon gasthe malfunction
ex ists.
When them alfunction indicator is illuminated,
th es ystemm aynotbea bletodetect or sig‐
nal lo wtirep ressu reas intended. TPMS mal‐
function smayoccur forav ariety of reasons,
includin gthe ins tallation of incompatible Wheels and tires
215
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
The load condition of thed iesel particulat efilter is over50%a nd
th em essag estilla ppear sonthe instrument clus ter. #
Visit aq ualified specialis tworks hop. DEF (Diesel Exhaus
tFluid) Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00E2
Refill Additive See Opera-
tor's Manual *
In addition, they ellow 00E2 DEFindicator lam plight supont he
instrument clus tera nd aw arning tone sounds.
The DEF supply ha sfallen belo wthe firs tw arning thre shold. #
Addatl east2.5gal(9. 5l)ofD EF (/pag e129).
The 00E2 DEF indica torlamp onl ydisappea rswhen thev ehicle
is stationar y,at thel ates tafter 20 seconds, as soon as you
switc hont he ignition or star tt he engine af tert opping up.
00E2
Refill Additive Starts
until Emerg. Op.: XXX
See Operator's Manual *I
na ddit ion, they ello wD EFindicator lam plight supa ndaw arning
to ne sounds.
The DEF supply ha sfallen belo wthe reser vemar k.
Af tert he messag eappear sfor thef irst time ,the remaining DEF sup‐
ply willl astfor appr oxima tely 12 00 mile s(19 00 km) .The engine can
th en onl ybestarted ano ther 16 times. The numbe rofremaining
engine starts XX(16to1)iss hown inthem essag eevery time the
engine is star ted. #
Addatl east2.5gal(9. 5l)ofD EF (/pag e129). The 00E2DEF
indica torlamp onl ydisappea rswhen thev ehicle is stationar y,at
th el ates tafter 20 seconds, as soon as yous wit ch on thei gni‐
tion or star tt he engine af tert opping up.
00E2
Refill Additive Emer-
gency Op.: XXX mph See
Operator's Manual *
In addition, they ello wD EFindicator lamp 00E2lightsupont he
instrument clus tera nd aw arning tone sounds.
If the Refill Additiv eEmergency Op.: XXX mph See Operator's Man-
ual displa ymessag eisshown, youc an only driv ethe vehicle at a
maximum speed of 5mph (8 km/h). #
Addatl east2.5gal(9. 5l)ofD EF (/pag e129).
The DEF indica torlamp 00E2 only disappea rswhen thev ehicle
is stationar y,at thel ates tafter 20 seconds, as soon as you
switc hont he ignition or star tt he engine af terr efilling.
0099
Additive System Fault
See Operator's Manual *
In addition, they ellow 00B9CheckEngine warning lam ponthe
instrument clus terl ights up and awarning tone sounds.
The DEF reducing agent is con taminated, diluted or is no tcompliant
wit hISO 222 41 . #
Have theD EFsuppl ytank cleaned an drefilled at aqualified spe‐
cialis tworks hop as soon as possible.
0099 Additive System Fault
Starts until Emerg. Op.: *
In addition, they ellow 00B9CheckEngine warning lam ponthe
instrument clus terl ights up and awarning tone sounds.
The DEF reducing agent is con taminated, diluted or is no tcompliant
wit hISO 222 41 . 266
Displa ymessages and warning and indicator lamps
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Driver's Door Open &
Transmission Not in P
Risk of Vehicle Rolling
Away *T
he driver's door is no tfull yc losed and thet ransmission is in posi‐
tion 005E,005Cor005B. #
When parking thev ehicle, shif tthe transmission toposition 005D.
Apply Brak etoShift
from 'P' *Y
ou ha vetrie dtos hifttoa differe nt transmissio nposition from posi‐
tion 005D. #
Press theb rake pedal. Vehicle locatin
ghas
been activated. Details:
see manual or associ-
ated mobile app. or
vehicle locatin gactiva-
ted –see manual or
mobile app. *T
hevehicle features activated services from Mercedes PRO.
Locatin gthe vehicle ma ybepossible as par tofMercedes PR Ocon‐
nect. #
Chec kthe status of thea ctivated services at http://
mercedes.pro. #
Ask thev ehicle owner fort he de tails. Step Not Extended See
Operator's Manual
or
ste pn ot extended mal-
function *T
he electrical step is not, or onl ypartially ,extended. #
Ensu rether eiss ufficient clea rance fort he electrical step. #
Open or close thes liding door again. #
Ifth ee lectrical step does no tcomple tely ex tend again, slide it in
manually (emergency release) (/ page52). #
Infor mpassen gers that thes tepism issing befor etheye xit the
ve hicle. Step Not Retracted See
Operator's Manualor
step not retracted mal-
function
*T
he electrical step is not, or onl ypartially ,retra cted. #
Ensu rether eiss ufficient clea rance fort he electrical step. #
Open or close thes liding door again. #
Ifth ee lectrical step does no tcomple tely retract again, slid eitin
manually (emergency release) (/ page52). Lights
Displa
ymessa ges
Possible causes/consequences and 0050 0050Solutions
Adaptive Highbeam
Assist Camera View
Restricted See Opera-
tor's Manual *
The camer aviewisr educed. Possible causes:
R Dirtont he windshield in thec amera's field of vision
R Heavy precipitation or fog
Driving sy stems and driving saf etys ystems ma ybem alfunctioning
or temp orarily una vailable.
When thec auses ha vebeen eliminated, thed riving sy stems and
driving saf etys ystems ar eavailable again.
If th ed ispla ymessag edoes no tgoout: #
Stop in asafel ocation. #
Clean thew indshield. 272
Displaymessa gesa nd warning and indicator lamps
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Adaptive Highbeam
Assist Currently Unavail-
able See Operator's Man-
ual *A
daptiv eHighbeam Assis tistemporarily una vailable.
The sy stem limits ha vebeen reached (/ page81). #
Continue driving.
Whe nthe causes ha vebeen eliminated, thes ystemw ill be avail‐
able again. The displa ymessage AdaptiveHighbeam Assist Now
Available appears.
Adaptiv eHighbeam
Assist Inoperative *A
daptiv eHighbeam Assis tismalfunctioning. #
Visit aq ualified specialis tworks hop.
0049
Switch On Headlamps *Y
ou ar edriving without alow beam. #
Turn thel ight switc htoposition 0058.
or #
Turn thel ight switc htothe0058 position.
0049
Switch Off Lights *Y
ou ar eleaving thev ehicle and thel ight is still switched on. #
Turn thel ight switc htoposition 0058.
0049
Auto Lamp Function
Inoperative *T
he light sensor is malfunctioning. #
Visit aq ualified specialis tworks hop.
0049
Malfunction See Opera-
tor’s Manual *T
heexterior lighting is malfunctioning. #
Visit aq ualified specialis tworks hop.
Ve hicles with traile rhitch:af use mayhaveb lown. #
Stop in accordance wit hthe tra ffic conditions. #
Chec kthe fuses, and replace them if necessary(/ page206).
0049
Check Left Low
Beam (exa mp le) *T
he bulb in question is faulty. #
Visit aq ualified specialis tworks hop.
or #
Chec kwhether changing theb ulb is permitted. Indicator and
warning lamps Overvie
wofwarningand indicator lamps When
thei gnition is switched on, man ysystems
per form aself-test. Som ewarning and indicator
lamps ma yswitc honorf lashtemp oraril yduring
th is time. This behavior is no cause fora larm.
These warning and indicator lamps onl ysignal a
malfunction if they light up or flash, onc ethe
engine has been star tedort hevehicle is in oper‐
ation. Wa
rning and indicator lamps:
0058 Lo
wb eam (/ page79)
0060 Pa
rking light (/ page79)
0057 High beam (/
page80)
003E003D Tu
rn signal (/ page80)
005E Re
ar fogl ight (/ page79)
00E9 Saf
etyb elt no tfas tened
(/ page279)
0027 and
004D USA: Brakes (red) (/
page274 ) Displ
aymessa gesa nd warning and indicator lamps 273