service MERCEDES-BENZ METRIS 2021 MY21 Operator's Manual

Problems with
thee lectric sliding door Problem
Possible causes/consequences and 0050 0050Solutions
The electric sliding door
is loc kedinp lace. Unf
avorable operating conditions ,e.g. frost, ice or heavy soiling, may
obstruct thes liding door. #
Press and hold thes liding door button until thes liding door has
opened or closed.
The sliding door mo vesw ithi ncreased forc e. Obser vethat in such
circum stances, theb lockage detection is les ssensitive. Tostop the
mo vement, release thes liding door button. #
Remo vethec ause of theb lockage atthee arlies topportunit y. Ta
ilgate Opening and closing
thet ailgate &
DANG ER Risk of exhaus tgas poisoning
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Exhaust
ga ses can enter thev ehicle interior if thet ail‐
gate is open when thee ngine is running,
especially if thev ehicle is in motion. #
Alwayss witc hoffthee ngine before
opening thet ailgate. #
Neverd rive wit hthe tailgat eopen. *
NO
TEDama getothet ailgat ecaused by
obs tacles ab ovethev ehicle The
tailgat eswings rear wa rdsa nd upwards
when it is opened. #
Mak esuret hat ther eiss ufficient space
behind and ab ovethet ailgate. %
Yo
uw illfind de tails of thet ailgat eopening
dimension sunder "Technical data"
(/ page232). #
Toopen: push button 1ontheh andle and
ra ise thet ailgate. #
Toclose: pullthet ailgat efirml ydownwards
by loop 2and close it from outside.
Opening thet ailgat einane mergency
If th eb atter yvoltag eisloworthev oltag esupply
is inter rupte d,thet ailgat ecanno tbeo pened.
In an emer gency ,you can open thet ailgat eusing
th er elease catc hfor service purposes. #
Pryo ffthec over on thel owe rpartoft hetail‐
ga te wit has uitable tool, e.g. thes crew driver
from thev ehicle tool kit. Opening and closing
51

When
replacing abulb, youc oul db urny our‐
self on these componen tparts. #
Allowthe component parts tocool
down befor ereplacing theb ulbs. When
youa re re placing thel ight bulb, obser ve
th ef ollowing:
R Do no tuse an ylight bulb that has been drop‐
ped or has scratches on its glass tube .Other‐
wise, thel ight bulb ma yexplode.
R Theb ulb ma yexplod eifitish otor if you
to uch, drop or sc ratchi t.
R Stains on theg lass tube will reduce the
service lif eofthe light bulb. Do no ttouc hthe
gl ass tube wit hyour bar ehands. If necessar y,
clea nthe glass tube wit halcohol or spirits
while it is col dstate and wipe it down wit ha
lint-f reec loth.
R Protect light bulbs from humidity and do not
bring them int ocontact wit hliquids.
R Befor echanging theb ulbs, switc hoffthe
ve hicle's lighting sy stem. This will pr event a
sho rtcircuit.
R Use bulbs only in enclosed la mpsthat ha ve
been designed fort hem.
R Use onl yspar ebulbs of thes ame type and
wit hthe cor rect voltage.
Alw ayse nsur ethe bulbs ar efirml ysecured.
Ha ve thef ollowing light bulbs changed at aquali‐
fi ed specialis tworks hop only:
R Bulbs in thel icense plat elamp
R Front fogl amp
R Side mar kerlamps
Bulb sand lamps ar emajor elements in vehicle
saf ety. Therefore, ensur ethat they area lways
wo rking. Ha vetheh eadlam psetting checkedr eg‐
ular ly.
If th en ew light bulb also does no tlight up, con‐
sult aqualified specialis tworks hop. Re
placing fron tlight bulbs (vehicles with hal‐
ogen headlamps) Overvie
woffront light sou rcet ypes 1
Side additional tur nsignal lamp: WY 5W
2 Turn signal light :PY21W
3 Lowb eam: H7 55 W
4 Front fogl amp: H1 155W
5 High beam/s tanding/parking la mps/
daytime running la mps: H1 555W /15W
6 Side mar kerligh t:LED
Re placing light sou rces in theh eadlamp
Re quirements:
R The lightin gsystemiss witched off.
R The appropriat efront wheel is turned
in wa rds.
R Lowb eam: your equir eaH755Wl ight bulb.
R Turn signal light: your equir eaPY21Wl ight
bulb.
R High beam/standing/parking lamps/
daytim
erunnin glamps: your equir ea
H1 555W /15Wl ight bulb.
Installing/removing thec ove rint he front
whee larch Light and vision
81

&
WARNING Risk of accident and inju ry
from operating mobil ecommunications
equipment
If yo uo perat emobile communication equip‐
men twhen driving, youw ill be distracted
from thet raffic situation .Thisc ould also
cause youtol ose control of thev ehicle.
The probability of aserious or evenfatal acci‐
dent inc reases greatl yifyou operat emobile
communication equipment when driving. #
Only operat emobile communication
equipment when thev ehicle is station‐
ar y. Fo
ry our owns afet y, alwa ys obser vethef ollowing
points when operating mobile communications
equipment:
R Obser vethel egal requ irements fort he coun‐
tr yinw hichyou ar edriving.
R While driving, on lyoperat emobile communi‐
cations equipment when thet raffic conditions
permit it. Youm ayotherwise be distracted
from thet raffic condition sand cause an acci‐
dent, inju ring yourself and others.
* NO
TEDama getothed rive trai nand
engin ewhen pulling away #
Do no twarmupt he engine while the
ve hicle is stationar y.Pull away immedi‐
atel y. #
Avoid high engine speeds and driving at
full thro ttle unti lthe engine has reached
its operatin gtemperature. Exhaus
temission monitoring
Specific engine sy stems ar edesigned tokeep
poisonous components of exhaus tgases within
legal limits.
These sy stems onl yworko ptimally if they are
main tained exactly accordin gtomanufacturer's
specifications. It is fort his reason that all work
on thee ngine should onl ybeperform ed byquali‐
fi ed and authorized Mercedes-Benz Commercial
Va nC entert echnicians.
Under no circums tances shoul dengine settings
be changed. In addition ,all specific main tenance
wo rkmus tbep erform ed at regular inter vals and
in complianc ewitht he service regulations of the
dealer named in thei mp rint. Refe rtot he Mainte‐
nance Bookle tfor de tails. Note
sont he limit speed &
WARNING Risk of inju rythro ugh exceed‐
ing thes pecified tir eload-bearing capa‐
city or thep ermissible speed rating
Exceeding thes pecified tir eload rating or the
permissible speed rating ma ylea dtot ire
dama geand tothet ires bur sting. #
Therefore, onl yuse tir etypes and sizes
appr ovedfor your vehicle model. #
Obser vethet irel oad rating and speed
ra ting requ ired fory our vehicle. As
thed rive r,yo um ustfind out about them axi‐
mum permissible speed fort he tires (tir eand tire
pressure). Obser vethel egal requirements for
tires fort he countr yinwhichyou ar estayi ng.
Yo uc an permanently limit thes peed of your vehi‐
cle.
Mercedes-Benzr ecommendsaqualified special‐
is tw orks hop forp rogramming thel imit speed.
No tethat youc anno texceed aprogrammed limit
speed when overtaking.
On downhill gradients ,the limit speed ma ybe
exc eeded. Appl ythe brakes if necessar y.
Displ aymessages indica tethat youa reapproach‐
ing thel imit speed.
Information about driving abroad
Service
An extensiv eMercedes-Benz service is also avail‐
able abroad. Ne vertheless, please remember that
services or spar eparts ma ynotbe available
immediatel y.The releva nt wo rkshop directories
ar ea vailable from aMercedes-Ben zCommercial
Va nC enter.
Fu el
In some countries, onl yfuels wit hanincreased
sulfur con tent ar eavailable.
Uns uitable fuel can caus eengine damage. Yo u
can find fur ther information under "Fuel"
(/ page228).
Information about transpor tbyrail
Tr ansportin gyour vehicle byrail ma ybes ubject
to cer tain restrictions or requires pecial meas‐
ures tobe take nins omecountrie sdue tovarying
tunnel height sand loading standards.
Yo uc an obtain information about this from a
Mercedes-Benz Commercial VanC enter. Driving and pa
rking 99

Information on brakes
&
WARNING Risk of accident du etothe
brak esystem overheating
If yo ul eave your foot on theb rake pedal
when driving, theb rake system ma yoverheat.
This increases theb raking dis tance and the
brak esystemm ayeve nfail. #
Neveru se theb rake pedal as afootrest. #
Do no tdepress theb rake pedal and the
accelerator pedal at thes ame time
while driving. *
NO
TEWearing out theb rake linings by
continuously dep ressing theb rake pedal #
Do no tdepress theb rake pedal continu‐
ously whils tdriving. #
Touse theb raking ef fect of thee ngine,
shif ttoa lowe rgear in good time. Downhillg
radients
On long and steep downhill gradients yous hould
obse rvet he following instructions:
R invehicles wit hanautomatic transmission,
shif tdow ntos hiftranges 2or 1in good time
so that thee ngine is running at amediu mto
high engine speed (/ page106).
% Chang
ethe shif trang eing oodt ime when
cruise control is acti vated. Obser vethed riv‐
ing tips (/ page98).
Yo ut hereb ymakeu se of theb raking ef fect of the
engine and do no thave tobrak easo ften tomain‐
tai nt he speed. This relie vest he load on the
service brak eand pr events theb rake sf romo ver‐
heating and wearing tooq uickl y.
Heavy and light loads
If th eb rake sh ave been subjected toah eavy
load, do no tstopt he vehicle immediatel y.Drive
on foras hortwhile. The brakes cool down more
qu ickl yint he air flow.
If th eb rake sh ave been used onl ymoderately,
yo us houl doccasionall ytesttheir ef fectiveness.
To do this, brak emoref irml yfromah igherspeed
whil epaying attention tothet raffic conditions.
Th eb rake sw illg ripb ette rasar esult.
We troad sur faces
If yo uh ave been driving foral ong time in heavy
ra in without braking, ther em aybe adelayed
re sponse when youf irst apply theb rake s. This ma
yalso occur af terd riving thro ugh acarwa sh
or deep water.Yo um ustd epress theb rake pedal
mor efirml y.Maintai nagreater di stanc etot he
ve hicle in front.
While paying attention tothet raffic conditions,
yo us houl dbrake thev ehicle firm lyafte rd riving
on aw etroad sur face or thro ugh acarwa sh. This
heats theb rake discs so that they drym ore
qu ickl y,whic hprotects them agains tcorrosion.
Limited braking ef fect on salt-trea tedr oads:
R alayer of salt on theb rake discs or brakepads
can increase braking dis tances considerab ly,
or braking ma yhappen on onl yone side
R maintain an especiall ylarg esafed ista nce to
th ev ehicle in front
To remo vethel ayer of salt:
R appl ythe brakes from time totime ,paying
attention totraf ficc onditions
R carefully dep ress theb rake pedal at thee nd
of ajourne yand af tert he star tofan ewjour‐
ney
Checking theb rake pa dt hickness
In addition tomonitoring using theb rake pad wear
sensor ,regularly monitor and checka ll of the
brakepads byper form ing avisual inspection to
look form aterial wear on thep ads.
If yo ua reunabl etoc heckthe brakepad wear on
th ei nside of thew heels, remo vethew heels if
yo up ossess ther equired skills, or visit aqualified
specialis tworks hop.
If th eb rake pad material thickness is less than
0. 12 in (3 mm), ha vetheb rake pads checkeda nd
re placed at aqualified specialis tworks hop, if
necessar y.
Do no tsolely rely on theb rake pad wear sensor.
It is also strongly re commended that youh ave
th eb rake pads checkedataq ualified specialist
wo rkshop, no tonly at everyservice displa yedby
th em aintenanc einter vald ispla y,but also prior to
long journe ysand when everthe wheels are
re mo ved.
Chec kthe brakepads in thef ollowing cases:
R Ateve ryservice according tothem ainte‐
nanc einter val
R Befor elong journe ys
R Ateve rytirec hange
R Regular visual inspection fory our owns afety 100
Driving and pa rking

Ne
wb rake discs and brakepads
Ne wb rakepads and brak ediscso nly reac ht heir
optimal braking ef fect af teraf ewhundred miles
(a fewh undred kilome ters).
Unti lthen, compensat efor ther educed braking
ef fect by applying greater pressur etothe brake
pedal. Fors afet yr easons, Mercedes-Benz recom‐
mends that youo nlyh aveb rake pads and brake
discs whic hareappr ovedbyM ercedes-Benz
ins talled on your vehicle.
Other brak ediscs or brakepads ma ycompromise
th es afet yofy ourvehicle.
Alw aysr eplace all brak ediscs and brakepads on
an axle at thes ame time. Alw aysi ns tall new
brakepads when replacing brak ediscs.
Pa rking brake &
WARNING Risk of skidding or an acci‐
dent bybraking wit hthe parking brake
If yo uh ave tobrak eyour vehicle wit hthe
parking brake, theb raking dis tance is consid‐
erab lylonger and thew heels ma yloc k. There
is an increased risk of skidding and/or acci‐
dent. #
Only brak ethe vehicle wit hthe parking
brak eift he service brak ehasfailed. #
Inthis case, do no tappl ythe parking
brak ewitht oo muc hforce. #
Ifth ew heels loc k,immediately release
th ep arking brak easmuchasr equired
fo rt he wheels totur na gain. Whe
ndriving on wetroads or dirt-co vereds urfa‐
ces, road salt or dir tmayget intot he parking
brake. This causes cor rosion and areduction of
braking forc e.
In order topreve ntthis, driv ewitht he parking
brak elightl yapplied from time totime.
Whe ndoing so, driv efor ad ista nce of appr ox‐
imatel y300 ftat am aximum speed of 13mph
(20 km/h).
The brak elights do no tlight up when youb rake
th ev ehicle wit hthe parking brake.
Information about driving on wetroads
Note sonh ydroplaning
Hydroplanin gcan occur on ther oad sur face
ab ove acertain wate rleve l. Obser
vethef ollowing no tesint heevent of heavy
ra infall or condition sinwhichh ydroplaning may
occu r:
R Reduce your speed
R Avoid tir eruts
R Avoid sudden steering mo vements
R Brak ecarefully
Note sonc rossing watero nthe roads
Wa tere ntering thev ehicle can damag ethe drive
sy stem, thee lectrical sy stem and thet ransmis‐
sion.
If yo uh ave todriv ethrough water,obser vethe
fo llowing no tes:
R The wate rleve lofs tandin gwater ma ynotbe
abo vethel owe redgeoft he front bumper.
R Youm aydriv enof astert han walkin gpace.
R Vehicles driving in front or approaching from
th eo pposit edirection can creat ewaves,
whic hcan cause them aximum permissible
wate rleve ltobee xceeded.
Af terp assing thro ugh wate r,th eb rake sh avea
re duced braking ef fect. Brak ethe vehicle care‐
fully ,taking in toaccount thet raffic situation,
unti lthe full braking ef fect is restored.
Information about driving in winter
Ve hicles wit hautomatic transmissions ma yroll in
neutra lposition 005Cforo nly ashor ttime. Allowing
th ew heels torollfo rl onger ,e.g. when towing,
causes transmission damage.
If th ev ehicle thre atens toskid, or canno tbestop‐
ped when tr aveling at alow speed, youc an stabi‐
lize thev ehicle using thef ollowing measures:
R Shif tthe automatic transmission toneutral
position 005C.
R Trytom aintain control of thev ehicle using
cor rectiv esteering.
Driv eparticularly carefull yonslipperyroads.
Av oid sudden acceleration, steering and braking
maneuvers.
Ha ve your vehicle winterized at aqualified spe‐
cialis tworks hop in good time at theo nse tofw in‐
te r.
Obser vethen otes on sno wchains
(/ page205).
Re gular lych eckt he vehicle and remo vesno wor
ice when tr aveling in wintr yconditions. Driving and parking
101

go
tint ot he sy stem. Clean theb rake sa fter driv‐
ing off-road. If yout hen notice areduced braking
ef fect or hea rscraping noises, ha vetheb rake
sy stem checkedi mmediately at aqualified spe‐
cialis tworks hop. Adjus tyour driving styletot he
ch anged brakin gcharacteristics.
Driving off-road or on construction sites increa‐
ses thep ossibility of vehicle damag ewhichm ay
in tur nlead tothef ailur eofc ertain major assem‐
blies and sy stems. Adapty our driving styletot he
off-road driving conditions. Driv ecarefull y.Ha ve
an yv ehicle damag erecti fied at aqualified spe‐
cialis tworks hop as soon as possible.
When driving on rough cross-countr yterrain, do
no ts hif tthe transmission toneutral and do not
disengag ethe clutch. Youc oul dlose control
when attem pting tobrak ethe vehicle wit hthe
service brake. If your vehicle canno tmanag ean
uphill incline, driv ebackd owninr everseg ear.
When loading your vehicle foro ff-road driving or
on aconstruction site, keep thev ehicle's center
of gr avity as lo waspossible.
Checklis tbefor eoff-road driving
R Engine: checkt he oil le vela nd add oil if nec‐
essar y(/pag e179). Befor edriving up or
down extreme incline sorslopes,fill th eo ilto
th em aximum le vel.
% If
yo ud rive up or down extreme incline sor
slopes, the00B2 symbol ma yappear in the
multifunction displa y.The engine operating
saf etyisn otput at risk if youh ave filled the
engine oil tothem aximum le velb efor ethe
journe y.
R Vehicl etool kit: checkt hat thej ackisw ork‐
ing (/ page201).
R Mak esuret hat alug wrench, awooden
underla yfor thej ack, ar obus ttow ro pe, a
fo lding spade and awheel choc k( depending
on equipment) ar ecarried in thev ehicle
(/ page201).
R Tire sa nd wheels: checkt he tir etread dep th
( / pag e204) and thet irep ressure
(/ page209).
Ru les foro ff-road driving
Alw aysbea wareoftheg round clearance of the
ve hicle and avoid obs tacles suc hasdeept ire
ru ts. Obs
tacles can damag ethe following parts of the
ve hicle, fore xamp le:
R Suspension
R Driv etra in
R Fuel and suppl ytanks
Therefore, alw aysd rive slowl ywhen off-road. If
yo um ustd rive over obs tacles ,have thec o-driver
instruct you.
% Mercedes-Ben
zrecommends that youa ddi‐
tionall ycarry as hovela nd areco very rope
wit has hackle in thev ehicle.
R Mak esuret hat loadsa nd items of luggage
ar es ecurel ystore dorl ashed down
(/ page166).
R Befor edriving off-road, stop thev ehicle and
engag ealowgear.
R Ifth es urface requ ires, temp orarily deactivate
ESP ®
when pulling away ( / pag e111).
R Onlydrive off-road wit hthe engine running
and agear engaged.
R Driv eslowl yand smo othly .Itm ayoftenbe
necessa ryto driv eatw alkingpace.
R Avoid spinning thed rive nw heels.
R Alwayse nsur ethat thew heels remain in con‐
ta ct wi th theground.
R Exercise theu tmos tcaution when driving
across unfamiliar ,unpre dictable terrain. As a
precaution ,get out of thev ehicle totake a
look at ther out etobet akenfirs t.
R Lookoutforo bstacles (e.g .roc ks,h oles, tree
st umps and tir eruts).
R Avoid edges wher ethe sur face could crumble
or brea kaway.
Checklis tafter driving off- road
Driving overrough terrain place sgreater
demands on your vehicle than normal road opera‐
tion. Chec kyour vehicle af terd riving on rough
te rrain. This allo wsyoutod etect damage
prom ptly an dreduce ther isk of an accident for
yo urself and other road users. Clean your vehicle
th oroughl ybefor edriving on public roads.
If yo uf ind dama getothev ehicle af tero ff-road
driving, ha vethev ehicle checkedataq ualified
specialis tworks hop immediatel y. Driving and pa
rking 103

Obser
vethef ollowing points af terd riving off-
ro ad, on con stru ction sites and befor edriving on
publi croads:
R Activat eESP®
(/ page 111 ).
R Clean thee xterio rlighting, particularly the
headlamp sand tail lamps, and checkt hem
fo rd ama ge.
R Clean thef ront and rear licens eplates.
R Clean thew indshield, windo wsand outside
mir rors.
R Clean thes teps, entra nces and grab handles.
Thi sincreases thes afet yofy ourfoot ing.
R Clean thew heels and tires, wheel wells and
th eu nderbody of thev ehicle wit hawater jet.
Thi sincrease sroad adhesion ,especiall yon
we troadw ays.
R Chec kthe wheels and tires and wheel wells
fo rt rapped fore ign object sand remo vethem.
Tr apped fore ign object scan damag ethe
wheels and tires or ma ybeflung out from the
ve hicle when continuing thej ourne y.
R Chec kthe underbody fort rapped branches or
ot her parts of plants and remo vethem.
R Clean theb rake discs, brakepads and axle
joints, particularly af tero peration in sand,
mud, grit and gr avel,wate rors imilarly dirty
conditions.
R Chec kthe entir efloor assembly ,the tires,
wheels, bodywor kstructure, brakes, steering,
suspension and exhaus tsystemf or an ydam‐
age.
R Chec kthe service brak efor operating saf ety,
e.g. car ryout abrake test.
R Ifyo un otices tron gv ibra tions af terd riving
off-road, checkt he wheels and driv etra in for
fo re ign object sagain. Remo veanyforeign
object swhichc an lead toimbalances and
th us caus evibrations .Intheeve nt of damage
to thew heels and thed rive train, visit aquali‐
fi ed specialis tworks hop immediately.
Note sond riving in mountainous areas
When driving in mountainous areas, no tethat
engine output, and therefor estart-o ff gradeabil‐
ity ,w ill dec rease wit hincreasin geleva tion.
Obser vethen otes on braking on downhill gradi‐
ents (/ page100).
The maximu mpermissible trailer loads ar evalid
fo rj ourne ysat ele vations up to1,10 0y ds
(1,000 m) abo vesea le velw ithg radient supto
12 %( / pag e233). Au
tomatic transmission DIREC
TSELECT lever Fu
nction of theD IRECT SELECT le ver &
WARNING Risk of accident and injury
du etoc hildren lef tunat tende dint he
ve hicle
If ch ildren ar eleftu nsupervised in thev ehi‐
cle, they could, in pa rticular:
R Open doors, thereb yendangering other
persons or road users.
R Getout and be stru ck byoncomin gtraf‐
fi c.
R Ope rate ve hicle equipment and become
trapped, fore xamp le.
In addition ,the children could also se tthe
ve hicle in motion, fore xamp leby:
R Releasing thep arking brake.
R Changing thet ransmission position.
R Startin gthe vehicle. #
Neverlea ve children unat tende dint he
ve hicle. #
When leaving thev ehicle, alw ayst ake
th eS martK eywit hyou and loc kthe
ve hicle. #
Keep thev ehicle SmartK eyout of reach
of children. &
WARNING Risk of accident du etoincor‐
re ct gearshifting
If th ee ngine speed is higher than thei dle
speed and youe ngag ethe transmission posi‐
tion 005Bor005E,t hevehicle ma yaccelerate
sharply. #
Ifyo ue ngag ethe transmission position
005B or005E when thev ehicle is at astand‐
st ill, alw aysd epress theb rake pedal
fi rm lyand do no taccelerat eatthe
same time. *
NO
TETransmission damag eduetoshift‐
ing at high engine speed or when the
ve hicle is rolling Yo
uc an damag ethe automatic transmission
if yo us hiftfrom 005Bto005E ,from 005Eto005B or
directl yto005Dwhen thee ngine speed is too
high or thev ehicle is rolling. 104
Driving and pa rking

Manual parking brake
Applying or
releasing thep arking brake &
WARNING Risk of skidding or an acci‐
dent bybraking wit hthe parking brake
If yo uh ave tobrak eyour vehicle wit hthe
parking brake, theb raking dis tance is consid‐
erab lylonger and thew heels ma yloc k. There
is an increased risk of skidding and/or acci‐
dent. #
Only brak ethe vehicle wit hthe parking
brak eift he service brak ehasfailed. #
Inthis case, do no tappl ythe parking
brak ewitht oo muc hforce. #
Ifth ew heels loc k,immediately release
th ep arking brak easmuchasr equired
fo rt he wheels totur na gain. &
WARNING Risk offire and an acciden tif
th ep arking brak eisnotreleased
If th ep arking brak eisnotfull yreleased when
driving, thef ollowing situations can occur:
R The parking brak ecan overheat and cause
af ire
R The parking brak ecan lose its holding
function #
Comple tely release thep arking brake
befor edriving off. The brak
elights do no tlight up when youb rake
th ev ehicle wit hthe parking brake. #
Toappl ythe parking brake: depress parking
brak epedal 2firm ly.
The red0049 (onlyUSA)or0024(only Can‐
ada) indicator lam pinthe instrument clus ter
light supift he engine is running .Ifthevehicle
is in motion, awarning tone sounds. #
Torelease thep arking brake: depressthe
brak epedal and keep it depressed. #
Pull release handle 1.
The parkin gbrake isreleased abruptl y.The
red 0049 (onlyUSA)or0024(onl yCanada)
indicator lam pinthe instrument clus terg oes
out.
Pe rforming emer gency braking with thep ark‐
in gb rake If, in
exceptional cases, thes ervice brak efails,
yo uc an use thep arking brak etoperform emer‐
ge ncy braking. #
Pull release handle 1and slowl ydepress
parkin gbrake pedal 2. Pa
rking thev ehicle forane xtended period Pa
rking thev ehicle forl on gerthan four
we eks #
Connect thes tarter batter ytoatrick le
ch arge rv iaaj ump-s tart connection
(/ page 191).
or #
Disconnect all batteries (/ page194).
Pa rking thev ehicle forl on gerthan si xweeks #
Contact aqualified specialis tworks hop and
seek advice.
The vehicle can otherwise suf ferd ama geas a
re sult of lac kofuse. Driving and driving saf
etys ystems Note
sond riving sy stems and your responsi‐
bility Yo
ur vehicle is equipped wit hdriving sy stems
whic hassis tyou in driving, parking and maneu‐
ve ring thev ehicle. The driving sy stems ar eonly
aids. These cann otreplace your attention tothe
sur rounding sand do no trelease youf romy our
re sponsibility under road traf ficl aw .The driver is
re sponsible fort he dis tance tothev ehicle in
front, forv ehicle speed, braking in good time and
fo rs tayi ng in lane. Alw aysp ayattention tothe Driving and pa
rking 109

Yo
uc an find fur ther operating information in
"Overvie wand operation of theo n-boar dcom‐
puter" (/ page138).
Depending on thev ehicle equipment, youc an call
up thef ollowing menus:
R Trip menu (/ page145)
R Navi menu (navigation instructions)
(/ page146)
R Audio menu (/ page147)
R Telephone menu (/page147)
R DriveAssist menu (/page 144)
R Service menu (/ page 144)
R Settings menu (/ page 148) Menu
sand submenu s(vehicles without
st eering wheel but tons) Calling up
thed istance menu Use
theb uttons on thei nstrument clus ter. #
Todispl aythed istance: press and hold the
È button until thed ispla yshows theo dome‐
te rf or thet ripd ista nce and thet otal dis‐
ta nce. #
Torese tthe trip distance: press and hold
the 0078 button until thet ripd ista nce is reset
to 0.0. Tr
ip computer menu Use
theb uttons on thei nstrument clus ter. #
Todispl ay:press theÈbutton toselect the
trip compu terd ispla y.
The values displa yedr elat etot hose meas‐
ured since thet ripc omputer waslastreset.
The following values will be displa yed:
R Distance
R Leng thof journey
R Averag efuel consum ption
R Averag espeed #
Torese tv alues: press and hol dthe 0078 but‐
to nu ntilallva lues ar ereset.
The trip computer will automatically be rese tif
th ev alue exceed s9999 hou rsor 99,999 mi
(99,999 km). Cur
rent fuel consum ption menu Cur
rent fue lconsu mptionm enu (e xamp le)
1 Recuperation display
2 Current fuel consum ption #
Press theÈbutton toselect thef uel con‐
sum ption bar displa y.
Re cuperation display 1showswhe ther and, if
so, ho wmuchk inetic energy is being transformed
int oe lectric cur rent whil stthev ehicle is coasting.
The recuperated energy is then stored in the
st ar terb atter y.Re cuperation display 1is
dependent on thee ngine ins talled and is there‐
fo re nota vailable in all vehicles. Coolant
temperatur emenu &
WARNING Risk of bu rnsw hen opening
th eh ood
If yo uo pen theh ood when thee ngine has
ove rheated or when ther eisaf ireint he
engine compartment, thef ollowing situations
ma yoccur:
R Youc oul dc om eintoc ontact wi thhot
ga ses.
R Youc oul dc om eintoc ontact wi thother
hot, escaping operating fluids. #
Befor eopening theh ood, allo wthe
ove rheated engine tocool down. #
Inthee vent of afireint he engine com‐
partment, keep theh ood closed and call
th ef ires ervice. Use
theb uttons on thei nstrument clus ter. #
Press theÈbutton toselect thec oolant
te mp eratur ebar display 00AC.
During normal driving and if thec oolant le vel
is cor rect, thed ispla yisp ermitted torise to
th el etter H. 14 2
Instrument clus tera nd on-boar dcomputer

R
Cruise control
R Servic einter vals
Setting thet imea nd da te #
Press the0078button toselect thet ime and
dat edispla y. #
Use the0074or0075 button tosetthe hour sand
press 0078toconfirm. #
Use the0074or0075 button tosetthe minutes
and press 0078toconfirm. #
Use the0074or0075 button tosetthe da yand
press 0078toconfirm. #
Use the0074or0075 button tosetthe mont hand
press 0078toconfirm. #
Use the0074or0075 button tosetthe year and
press 0078toconfirm.
The displa yshows the Settings menu again. Menus and submenus (vehicles with
steer‐
ing-wheel but tons) Service menu
Overview
#
Use the0059 or0065 button toselect the
Service menu.
Depending on thee quipment, youh avet he fol‐
lowing option sinthe Service menu:
R Calling up displa ymessages in them essage
memor y(/pag e235).
R Checking thet irep ressur eelectronicall yor
re startin gthe tir epressur emonitoring sy stem
(/ page209).
R Calling up thes ervice due dat e(ASS YST
PLUS) (/ page175) Assistanc
emenu #
Use the0059 or0065 button toselect the
DriveAssist menu. Depending on
thev ehicle's equipment, youh ave
th ef ollowing options on theDriveAssist menu:
R Displaying thes tatus overview
R Showing thea ssis tant displ ay forActiv eBrake
Assi st (/ pag e113)orA ctiv eDista nce Assi st
DISTRONI C(/pa ge120).
R Swit ching ESP ®
on/of f(/pag e111,112 ).
R Switching ActiveB rake Assi ston/off
(/ page115).
R Setting thes ensitivity of ATTENTION ASSIST
(/ page128)
R Switchin gBlindS potA ssis ton/off
(/ page129)
R Setting thes ensitivity of Lane Keeping Assist
(/ page130)
St atus overview St
atus overview( example)
1 BlindSpotA ssis tswitched on and active
2 Rear wind owwiper swit ched on
3 ATTENTION ASSIS Tswitched on
4 Distance warning function of ActiveB rake
Assi stswitched on
5 Lane Keeping Assis tswitched on and ready
fo ru se #
Use the0064 or0063 button toselect the
ove rview. #
Press the0076 button.
The status overviews hows onlythe symbols
of thed riving sy stems or driving saf etys ys‐
te ms that ha vebeen switched on.
The symbols forB lind Spo tAssis tand Lane
Ke eping Assis tmayvary depending on the
sy stem status:
R Ifth es ymbol forB lind Spo tAssist 1
does no tshowa nyradar waves between
th et wo vehicles, Blind Spo tAssis thas
been switched on but is no tready foru se. 14 4
Instrument clus tera nd on-boar dcomputer