Sy
stem limits
The HOL Dfunction is onl yintende dtoprovide
assis tance when driving and is no tasufficient
means of safeguarding thev ehicle agains trolling
aw ay when stationar y.
R The incline mus tnotbe greater than 30%.
Ac tivating/deactivatin gthe HOL Dfunction
Requ irements:
R The vehicle is stationar y.
R The engine is running or it ha sbeena utomati‐
cally switched of fbythe EC Ostart/s topf unc‐
tion.
R The driver is seated and belted.
R The electric parking brak eisreleased.
R Vehicles with automatic transmission: the
selector le verisinp osition005B,005Eor005C.
R ActiveD ista nce Assi stDISTRONI Cisdeacti va‐
te d.
Ac tivatin gthe HOL Dfunction &
WARNING Risk of an accident du etothe
HOLD function being acti vatedw heny ou
lea vethev ehicle
If yo ul eave thev ehicle while onl ythe HOLD
function is braking thev ehicle, thev ehicle
can rollaw ay inthef ollowing situations:
R Ifth er eisam alfunction in thes ystemor
in thep ower suppl y.
R Ifth eH OLD function is deactivated by
depressing thea ccelera torp eda lorb rake
pedal, e.g. byavehicle occupant. #
Alwaysd eactivat ethe HOLD function
and secur ethe vehicle agains trolling
aw ay befor eleaving thev ehicle. *
NO
TEDama gefrom auto matic braking When
ActiveB rake Assi st,A ctiv eDista nce
Assi stDISTRONI Corthe HOLD function are
activated, thev ehicle brakes autonomously in
cer tains ituations.
To avo id damag etothevehicle, deactivate
th ese sy stems in thef ollowing or similars it‐
uations: #
During towing #
Inac arwa sh #
Mak esuret hat thea ctivation conditions are
met. #
Depress theb rake pedal until the00D9 dis‐
pla yappear sinthe multifunction displa y.
The HOLD function is activated. Youc an
re lease theb rake pedal.
% If depressing
theb rake pedal thef irst time
does no tactivate theH OLD function, wait
brief lyand then tr yagain.
Deactivating the HOLD function
The HOLD function is deactivated in thef ollowing
situations: #
Vehicles with automatic transmission:
depress thea ccelerator pedal when thea uto‐
matic transmission is in position 005Bor005E. #
Depress theb rake pedal again wit hsufficient
pressu reuntil the00D9 displa yinthe multi‐
function displa ygoes out. #
Activat eActiv eDista nce Assi stDISTRONIC.
% Ve
hicles with automatic transmission: the
automatic transmissio nofyourvehicle shifts
to 005D afte rs ome time. This relie vest he load
on thes ervice brake.
When theH OLD function is activated, thea uto‐
matic transmission automaticall yshifts to005D in
th ef ollowing situations:
R The driver lea vest he driver's seat.
R The driver's door is opened.
R The engine is switched of fwithout theE CO
st art/ stop function. Re
ar vie wcamer awithrear-vie wmirro rd is‐
play Fu
nction of ther ear vie wcamer awith inside
re arvie wmirro rd isplay
The rear vie wcamer aisc onnec tedtot hevehi‐
cle's inside rearvie wmirro r.When youe ngage
re ve rseg ear ther ear vie wcamera's image
appear sinthe lef tareaoft he inside rearview
mir ror.It is therefor epossible tosee what is
behind thev ehicle when backing up.
The rear vie wcamer awithi nside rearvie wmirror
displa yisonlyana id. It is no tasubstitut efor you
paying attention tothes urroundings. Youa re
alw aysr esponsibl efor saf emaneu vering and
pa rking. Mak esuret hat ther ea reno persons,
animals or object setc. in them aneuvering area
while maneuvering and parking in parking
spaces.
The rear vie wcamer awithi nside rearvie wmirror
displa ymaysho wad isto rted vie wofo bstacles,
sho wthem incor rectly or no tatall.Itc annot Driving and pa
rking 15 5
Re
moving/installin gthe star terb attery Ve
hicles with rear wheel drive: removing the
st ar terb attery #
Disconnect thes tarter batter y(/ pag e205). #
Remo vebreather hose 1withthe connector
brac ketfromt he connection on thed egassing
co ver. #
Pull out and remo vescr ews 2of brac ket3
up wa rds. #
Slide thes tarter batter yfromi ts anchorag ein
th ed irection of tr avel. #
Foldtheb arsoft hestar terb atter yupwards
and remo vethes tarter batter yfromt he bat‐
te ry box.
Ve hicles with rear wheel drive: installin gthe
st ar terb attery #
Whe nreconnecting thes tarter batter y,
obser vethes afet ym easures and pr otection
no tes( /pag e202). #
Inser tthe star terb atter yintot he batter ybox. #
Fold down theb arsoft hestar terb atter y. #
Slide thes tarter batter yintoi ts anchorag ein
th eo pposit edirection tothed irection of
tra vel. #
Inser tbrack et 3 . #
Tighten scr ews2on brac ket3whic hholds
th eb atter yinp lace. #
Attach breather hose 1withthe connector
brac kettot he connection of thed egassing
co ver. #
Reconnect thes tarter batter y(/pag e205).
Mercedes-Benz recommends that youh ave the
st ar terb atter yreplaced at aqualified specialist
wo rkshop, e.g. an authorized Mercedes-Benz
Center.
If yo uw ant toreplace thes tarter batter yyourself,
obser vethef ollowing no tes:
R Alwaysr eplace adefectiv estarter battery
wit has tarter batter ywhichm eets thes pe‐
cific requirements of thev ehicle.
R Carryover de tach able parts suc hasthevent
hose, elbo wfittin gort erminal co verfromt he
st ar terb atter ytober eplaced.
R Mak esuret hat thev ent hose is alw aysc on‐
nected toits original openin gonthe battery
side.
Ins tallth ee xisting or newly supplied stop
plugs.
Otherwise, gases or batter yacid could
escape.
R Mak esuret hat thed etachable parts ar econ‐
nec tedint he same wayasb efore. 206
Breakdown assi stance
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Adjus tthe tir epressur eifn ecessar y. #
Stop in accordance wit hthe tra ffic conditions. #
Chec kthe tir epressur e(/pag e217)a nd thet ires.
0077 Please Correct Tire Pres-
sure *T
he pressur einatleastone tir eistoo lo wort he pressures of the
individual tires deviat etoo muc hfrome acho ther. #
Chec kthe tir epressure, and add air if necessar y. #
When thet irep ressur ehas been se tcorrectl y,re-sta rt thet ire
pressur emonitor (/ page223).
Tire Pressure Monitor
Inoperative *T
he tir epressur emonitor is malfunctioning. #
Visit aq ualified specialis tworks hop. Key
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00AF
Don't Forget Your Key *T
his messag eremind syou no ttoleave your SmartK eyinthev ehi‐
cle. #
Take theS martK eywit hyou when youg etout of thev ehicle.
00AF
Place the Key in the
Marked Space See Oper-
ator's Manual *S
martK eydetection is malfunctioning. #
Chang ethe SmartK ey's position in thev ehicle. #
Startt he vehicle wit hthe SmartK eyinthem arke ds pace
(/ page110).
00AF Ke yN ot Detected (red
displ aymessage) *T
he SmartK eyis no tdetected and ma ynolonger be in thev ehicle.
The SmartK eyis no longer in thev ehicle and yous wit ch thee ngine
off:
R Youc an no lon gers tart thee ngine.
R Youc anno tloc kt he vehicle centra lly. #
Ensu rethat theS martK eyis in thev ehicle.
If th eS martK eydetection function has amalfunction du etoa
stro ngradio signal source, proceed as follo ws: #
Stop thev ehicle immediately in accordance wit hthe traf ficc on‐
ditions. #
Place theS martK eyinthem arke ds pace fors tartin gw itht he
Sma rtKe y(/pag e110).
00AF Key Not Detected (white
displa ymessa ge) *T
he SmartK eyis cur rently no tdetected. #
Chang ethe SmartK ey's position in thev ehicle. #
Ifth eS martK eyisstill no tdetected, star tt he engine wit hthe
Sma rtKe yint he mar keds pace (/ page110). Displ
aymessa gesa nd warning and indicator lamps 277
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
003B
Inoperative Battery Low *T
he on-boar delectrical sy stem voltag eist oo lo w.
The stationar yheater has swit ched off. #
Driv eane xtende ddista nc eu ntil theb atter yhas been suf fi‐
ciently charge da gain.
00CC
Steering Malfunction
Increased Physical Effort
See Operator's Manual *T
hesteering po werassi stanc eism alfunctioning. &
WARNING Risk of an accident du etoaltered steering char‐
acteristics
If th ep owe rassi stanc eoft hesteering fails partiall yorcom‐
ple tely,y ou will need touse mor eforce tosteer. #
If saf esteering is possible, driv eoncarefully. #
Visit or consult aqualified specialis tworks hop immedi‐
atel y. #
If saf esteering is possible, driv eoncarefully. #
Visit or consult aqualified specialis tworks hop immediately.
00CC
Steering Malfunction
Stop Immediately See
Operator's Manual *T
hesteering is malfunctioning. Steerability is heavily impaired. &
WARNING Risk of accident if steering capability is impaired
If th es teering does no tfunction as intended, thev ehicle's oper‐
ating saf etyisj eopardized. #
Pull overand stop thev ehicle safely as soon as possible,
paying attention toroad and traf ficc onditions. Do no tcon‐
tinue driving under an ycircums tances. #
Consult aqualified specialis tworks hop. #
Stop thev ehicle immediately in accordance wit hthe traf ficc on‐
ditions. Do no tcontinu edriving. #
Consul taqualified specialis tworks hop.
Shift to 'P' or 'N' to Start
Engine *
Yo uh ave attem pted tostar tt he engine in transmission position 005B
or 005E. #
Shif tthe transmission toposition 005Dor005C.
To Engage Transmiss.
Position RFirst Depress
the Brake *
Yo uh ave attem pted toshif tfromp osition 005Bor005C toposition 005E. #
Depress theb rake pedal. #
Shif tthe transmission toposition 005E.
Air Conditioning Malfunc-
tion See Operator's Man-
ual *T
he function of thec limat econt rols ystemist emporarily restricted.
The quantity of air and flow of fresh air ar econt rolled automaticall y. #
Have thec limat econt rols ystemc heckedataq ualified specialist
wo rkshop.
Auxiliary Battery Mal-
function *T
he auxiliary batteryfor thet ransmission is no longer being
ch arge d. #
Visit aq ualified specialis tworks hop. #
Until then, alw ayss hiftthe transmission toposition 005Dmanually
befor eyou switc hoffthee ngine. Displa
ymessages and warning and indicator lamps 279
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Befor eleaving thev ehicle, apply thep arking brake.
Reversing Not Possible
Servic eRequired *T
he transmission is malfunctioning. It is no longer possible toselect
re ve rseg ear. #
Visit aq ualified specialis tworks hop.
Transmission Malfunc-
tion Stop *T
he transmission is malfunctioning. The transmission automatically
shifts toposition 005C. #
Stop thev ehicle immediately in accordance wit hthe traf ficc on‐
ditions. #
Shif tthe transmission toposition 005D. #
Consult aqualified specialis tworks hop.
0072
Vehicle Operational
Switch the Ignition Off
Before Exiting *Y
ou ar eabout toexitth ev ehicle when it is in aready-to-driv estate. #
When youe xit thev ehicle, switc hoffthei gnition and take the
ke yw ithy ou. #
Ifyo udon otexitth ev ehicle, switc hoffthee lectrical consum‐
ers, e.g. thes eat heating. Otherwise, the1 2‑V batter ymaydis‐
ch arge and it will be possible tostar tt he vehicle onl ywitht he
aid of asecond batter y(starting assista nce).
Service Require dDoNot
Shift Gears Visit Dealer *T
he transmission is malfunctioning. The transmission position can
no longer be changed. #
Ifth et ransmission is in position 005B,visitaqualified specialist
wo rkshop, without changing thet ransmission position. #
Fora llot her transmission positions, par kthe vehicle in asafe
location. #
Infor maq ualified specialis tworks hop or breakdown service.
Only Shift to 'P' when
Vehicle is Stationary *
The transmission can onl ybeshiftedtop osition 005Difth ev ehicle is
at as tandstill.
NP ermanently Active
Risk of Rollin gAway *W
hile thev ehicle is rolling or driving ,the transmission wasshifted
to position 005C. #
Tostop, depress theb rake pedal and, when thev ehicle is at a
st andstill ,shif tthe transmission toposition 005D. #
Tocontinu eyour journe y,shif tthe transmission toposition 005B
or 005E.
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 veattem pted toshif ttoa differe nt transmissio nposition from
position 005D. #
Depress theb rake pedal. 280
Displa ymessages and warning and indicator lamps
Digita
lspe edome ter............................. 173
Dimming thei nsid erearvi ewmirror .... 98
DIREC TSELECT lever ............................ 12 2
Engaging driv eposit ion. ................... 12 3
Engaging neutral ............................... 12 2
Engaging pa rkposition automati‐
call y................................................. .123
Engaging reve rseg ear ...................... 12 2
Fu nctio n........................................... 12 2
Selecting pa rkposition .....................1 23
Dire ction indicator
see Indicator
Displa y(care) ........................................ 197
Displa y(on-boa rdcompu ter) ............... 171
Displa ymessage .................................. 262
Callin gup( on-boar dcompu ter) ........ 262
No tes. .............................................. 262
Displa ymessages
00AC ............................................... 271
00B2 ---mph................................. .268
003D 12VB atter ySee Operator's
Manual .............................................2 73
0099 Additiv eSystemF ault Emer‐
ge ncy Op.: XXX mphS ee Opera‐
to r's Manual .................................... .275
0099 Additiv eSystemF ault See
Operator' sManual ............................ 275
0099 Additiv eSystemF ault Starts
until Emerg. Op. :XXX See Opera‐
to r's Manual .................................... .275
Û ATTENTION ASSIS TInopera‐
tive ................................................... 270
Û ATTENTION ASSIS T:Take a
Break! ............................................... 271
0049 AutoLam pFunction Inope ra‐
tive ................................................... 282
004D CheckBrake Fluid Le vel.......... 265
00AC CheckCoolant Le velS ee
Opera tor's Manual ............................ 274
00B2 CheckEngineO ilAt Next
Re fueling .......................................... 272
00B2 CheckEngineO il Le vel(Add
1L iter) .............................................. 272
003A CheckFuel Filter ..................... 2710049
CheckLeftL ow Beam (e xam‐
ple) .................................................. .282
0077 CheckTires ............................. 276
00B2 CheckWashe rFluid ................. 278
00AC Coolan tToo Ho tStopV ehicle
Tu rn Engine Off ................................. 273
00CE Currentl yU navailable Cam‐
er aD irty .......................................... .269
0025 Currently Un available See
Operator' sManual ............................ 267
00E5 Currentl yU navailable See
Opera tor's Manual ............................ 267
00AF Don't Forget Your Key ............ .277
00B3 Engine Oi lLeve lCann otBe
Measured ......................................... 271
00B2 Engine Oi lLeve lLow Stop
Ve hicle Turn Engine Off .................... 272
00B2 Engine Oi lPressur eStop
Switc hOffEngine ............................. 271
00B2 Engine Oi lReduce Oil Le vel.....2 72
0075 Front Lef tMalfunction
Service Required (e xample).............. 263
00D4 Fuel Le velL ow ........................ .271
0024 Incline TooS teep See Opera‐
to r's Manual ..................................... 264
003B Inoperativ eBatter yLow .......... 279
003B Inoperativ eRefuel Vehicle .......2 78
0025 Inoperativ eSee Operator's
Manual .............................................2 67
00E5 Inoperativ eSee Operator's
Manual .............................................2 66
007A Inoperativ eSee Operator's
Manual ............................................. 266
003B Inoperativ eSee Operator ’s
Manual ............................................. 278
00AF KeyN otDe tected (red dis‐
pl ay messa ge).................................. 277
00AF KeyN otDe tected (whit edis‐
pl ay messa ge).................................. 277
0075 LeftSide Cur tain Airbag Mal‐
function Service Required (e xam‐
ple) .................................................. .263 Index
297
0049
Malfunction See Operator ’s
Manual ............................................. 282
ð Maximum Speed Exceeded ..... 268
00AF Obtain aNew Key .................... 278
00B2 Off...........................................2 68
00D9 Off.......................................... .269
0024 Parking Brak eInoperative .......2 64
0024 Parking Brak eSee Opera tor's
Manual ............................................. 264
00AF Place theK eyintheM arked
Space See Ope rator's Manual ..........277
0077 Please Cor rect Tire Pressure ...277
00E2 Refill Ad ditiv eEmer gency
Op.: XXX mphS ee Operator's Man‐
ual ....................................................2 75
00E2 Refill Ad ditiv eSee Operator's
Manual .............................................. 274
00E2 Refill Ad ditiv eStartsu ntil
Emerg. Op. :XXX See Operator's
Manual ............................................ .275
009E Replace Air Filter .....................2 71
00AF Replace KeyB atte ry ................ 278
003D See Ope rator's Manual ............273
0075 SRS Malfunction Service
Re quired .......................................... .263
00CC Steering Malfunction
Incre ased Ph ysical Ef fort See
Ope rator's Manual ............................ 279
00CC Steering Malfunction Stop
Immediatel ySee Operator's Man‐
ual ....................................................2 79
g Step No tExtended Se eOper‐
ator' sManualorS tepN otExte n‐
de dM alfunction ............................... 281
003D Stop Vehicle Lea veEngine
Ru nning ............................................ 272
003D Stop Vehicle See Operator's
Manual ............................................. 273
0049 SwitchOffLights ..................... 282
0049 SwitchOnH eadlamps ............. 282
0077 Tire Press. Sen. Missing ..........276
0072 Vehicle Operational Switch
th eI gnition Of fBefor eExiting ..........2 80 x
Vehicle Trac kerh as been
activated. De tails: see manual or
associated mobile app. or Vehi‐
cle locating activated –see manual
or mobile app. ..................................2 81
0077 Warning Tire Malfunction .........276
Ac tiveB rake Assi stFunctions Cur‐
re ntl yL imited See Ope rator's Man‐
ual .................................................... 265
Ac tiveB rake Assi stFunctions Limi‐
te dS ee Operator's Manual .............. 265
Ac tiveD ista nce Assi stCur rently
Un available See Operator' sManual
.......................................................... 268
Ac tiveD ista nce Assi stInoperative ... 268
Ac tiveD ista nce Assi stNo wA vaila‐
ble .................................................... 269
Ac tiveL aneK eeping Assis tCamera
Vi ew Restricted See Ope rator's
Manual ............................................. 270
Ac tiveL aneK eeping Assis tCur‐
re ntl yU navailable See Opera tor's
Manual ............................................. 270
Ac tiveL aneK eeping Assis tInoper‐
ative .................................................2 70
Ad aptiv eHighbeam Assis tCamera
Vi ew Restricted See Ope rator's
Manual ............................................. 281
Ad aptiv eHighbeam Assis tCur‐
re ntl yU navailable See Opera tor's
Manual ............................................. 281
Ad aptiv eHighbeam Assis tIno pera‐
tive .................................................. .282
Air Conditioning Malfunction See
Operator's Manual ............................279
App lyBrak etoS hiftfrom' P' ............ 280
Au xilia ryBatter yMalfunction ...........279
Blind Spo tAssistCur rently
Un available See Operator' sManual
.......................................................... 270
Blind Spo tAssistInoperative ............ 269
Blind Spo tAssis tTrailer NotM oni‐
to red ................................................ 269 298
Index
Chec
kBrake Pads See Operator's
Manual .............................................2 65
Cruise Control Inoperative ...............268
Curr ently Un available Radar Sen‐
sor sD irty .........................................2 69
Driver's Door Open &Transmission
No tinPR isk ofVehicle Rolling
Aw ay ................................................ 280
NP ermanentl yActiv eRiskofR oll‐
ing Away ........................................... 280
Only Shif tto'P' when Vehicle is
St ationary ........................................ 280
Ra dar Sensor sDirty See Opera‐
to r's Manual .................................... .265
Re generation No tPossible ................2 74
Re versing No tPossible Service
Re quired .......................................... .280
Service Required Do No tShift
Gear sVisit Dealer ........................... .280
Shif tto' P' or 'N' toStartE ngine ...... 279
SOS NO TREADY .............................. 266
Ti re Press. Monitor Cur rently
Un available ...................................... .276
Ti re Pressur eMonitor Inoperative ....277
Ti re Pressur eMonitor Inoperative
No Wheel Sensors ............................2 76
To Engag eTransmiss .Position R
Fir stDep ress theB rake .................... 279
Tr ansmission Malfunction Stop ........ 280
Displa yrang e(trip menu) .................... 173
Displa ytotal di stance (trip menu) ......173
Distance cont rol
see ActiveD ista nce Assi stDISTRONIC
Di stance recorder
see Trip dis tance
DI STRO NIC
see ActiveD ista nce Assi stDISTRONIC
Door Locking (emergency key) .................... 50
Un lockin g(emer gency key) ................ 50
Door cont rolp anel ................................ .16
DO T,Tire Identification Number
(TIN) ....................................................... 227
Drinkin gand driving ............................. 111Driv
eAwayA ssist .................................1 59
Driver's seat see Seats
Driving and drinking .............................111
Drivin gcharacteristics (unusual) ........215
Drivin ginstructions
Fo reign trip (information) .................. 11 3
Drivin glight
see Automatic driving lights
Drivin gnotes
Brak esubject toload ........................ 11 4
Braking ............................................. 11 4
Breaking-i nnotes .............................. 111
Downhil lgradien t.............................. 11 4
Drinking and driving .......................... 111
Gene rald rivin gtips .......................... .111
Ne wb rake discs and brak epads/
linings ............................................... 11 4
Pa rking brak e................................... .114
Re stricted braking ef fect (salt-trea‐
te dr oads) .........................................1 14
Tr anspor tbyrail ................................ 11 4
We troad sur faces ............................ .114
Drivin gSafet yS ystem
AB S(Anti-loc kBrakin gS ystem) ........ 14 6
ASR (acceleration ski dcontrol )........ 147
BA S(Brak eAssistSystem) ............... 14 6
EBD (electroni cbrake forc ed istri‐
bution) ..............................................1 48
ESP ®
Crosswind Assis t..................... 14 8
ESP ®
traile rstabilizatio n................. .148
Overvie w.......................................... 14 6
Ra dar sensor s................................. .145
Re sponsibility ................................... 14 5
Drivin gsafet ys ystem
see ActiveB rake Assi st
see ESP ®
(Electronic Stabilit yProgram)
Driving sy stem
see Activating/deactivating the
HOLD function
see ActiveD ista nce Assi stDISTRONIC
see ActiveL aneK eeping Assist
see ATTENTION ASSIST
see Blind Spo tAssist
see Cruise control
see HOLD function
see Lane Keeping Assist
Driving tips Driving abroad (symmetrical low
beam) .................................................84
Driving in winter ................................ 11 5
Driving off-roa d................................. 11 6 Index
299