check engine MERCEDES-BENZ SPRINTER 2020 MY20 with no MMS Operator’s Manual

Instrument Displa
y(color dis‐
play)
1 Speedome ter →
16 9
2 00E5 ESP®
→
283
3 00BA Distance warning →
289
4 00E9 Seat belt no tfas tened →
289
5 003E003D Turn signal indica‐
to rs →
85
6 Multifunction display →
283
7 0077 Tire pressur eloss warn‐
ing lamp →
283
8 00B9 CheckEngine →
290
9 0028 Preglo wand malfunction
in preglo wsystem
A Tach ome ter →
16 9
B 0049 and0024 (USA) or 0024
(Canada) parkin gbrake is
applied (red) →
283
C 0027 and004D (USA) or 004D
(Canada) brakes (red) →
283 D
003D Electrical malfunction →
290
E Coolant temp eratur eindicator
and 00AC coolant tooh ot →
290
F 0024 Electri cparkin gb rake
(yellow) →
283
G 0075 Restra int sy stem →
31
H 0057 High beam →
85
I 0058 Lowb eam →
84
J 0060 Parking lights →
84
K Fuel le velindicator and 00D4
fuel reser vewit hfuel filler cap
location indicator →
290
L Fo
glight →
84
M 005E Rear fogl ight →
84
N 004D Brakes (yell ow) →
283
O 0025 ABS malfunction →
283
P 00BB ESP®
deactivated →
283 8
Atag lanc e–Instru ment clus ter

Instrument Displa
y(bla ckand
whit edisplay) wit hsteering
wheel buttons
1 Speedome ter →
16 9
2 00E5 ESP®
→
283
3 00BA Distance warning →
289
4 00E9 Seat belt no tfas tened →
289
5 003E003D Turn signal indica‐
to rs →
85
6 Displ ayofwa rning and indica‐
to rlamps
003E Atleas tone door is not
comple tely closed
0077 Tire pressur eloss →
283
00CC Powe r-assis teds teering
malfunction →
289
003D Electrical malfunction →
290
0053 SOS/emergency cal lsys‐
te m( Mercedes-Benz emer‐
ge ncy cal lsyst em)
00D4 ActiveB rake Assi stdeac‐
tivated →
15 0
00D7 ATTENTION ASSIS Tdeac‐
tivated →
157
e OFF Lane Keeping Assist
inactive →
16 2
00CE Highbea mAssist →
86 e
(White) Lane Keeping
Assis tactiv eand ready toissue
wa rnings / e(Red) Lane
Ke eping Assis tissues warning →
16 2
7 00B9 CheckEngine →
290
8 0028 Preglo wand malfunction
in preglo wsystem
9 Tach ome ter
A 0049 and0024 (USA) or 0024
(Canada) parkin gbrake is
applied (red) →
283
B 0027 and004D (USA) or 004D
(Canada) brakes (red) →
283
C 00D4 Reser vefuel →
290
D DEF supply low →
13 6
E 002E LOWR ANGE active →
12 6
F 0024 Electric pa rking brake
(yellow) →
283
G Multifunction display →
283
H 0075 Restra int sy stem →
31
I 0057 High beam →
85
J 0058 Lowb eam →
84
K 0060 Parking lights →
84
L Fo
glight →
84
M 005E Rear fogl ight →
84 At
ag lanc e–I nstrument clus ter9

Driving
Swit
ching on po wersuppl yori gnitionw ith
the start/s topb utton &
WARNING Risk of accident and inju ry
due tochildren lef tunat tende dint he
ve hicle
If ch ildren ar eleftu nat tende dint hevehicle,
th ey could:
R Ope ndoors,t hereb 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 ek eywit hyou and loc kthe vehicle. #
Keep thev ehicle keyo ut of reac hof
ch ildren. &
DANG ER Risk of deat hcause dby
ex haus tgases
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Inhaling
th ese exhaus tgases is hazardou stohealth
and leads topoisoning. #
Neverlea ve thee ngine or ,ifpresent,
th ea uxiliar yheating running in an
enclose dspace wi thout suf ficient venti‐
lation. &
WARNING Risk offire due toflammable
material in thee ngine compartmen tor
th ee xhau stsystem
Flammable materials brought in byeither ani‐
mals or environmen talinfluences ma yignit eif
th ey come int ocontact wi thhotp arts of the
engine or exhaus tsystem. #
Therefore, checkr egularly that ther ea re
no flammable materials in thee ngine
compartmen torontheexhaus tsystem. Re
quirements:
R The keyisind etection rang eoft he antenna
(/ page46) and thek eybat tery is no tdis‐
ch arge d. #
Toswitc hont he powersuppl y:press but‐
ton 1once.
Yo uc an no wactivat ethe windshield wipers,
fo re xamp le.
The po wersupp lyis switched of fagain when one
of thef ollowing condition sismet:
R The driver's door is open.
R Youp ress button 1twice. #
Toswitc hont he ignition: press button1
twice.
The indicator lamps appear in thei nstrument
clus ter.
The ignition is switched of fagain when one of the
fo llowing condition sismet:
R Youdon otstar tt he vehicle within
15 minutes.
R Youp ress button 1once. Drivin
gand parking 109

#
Remo vekey 1from your keyr ing. #
Inser tkey 1 intot he slot.
The vehicle is star teda fter ab rief time. #
Leavethek eyinser tedd uring thee ntir ejour‐
ne y. #
Ifyo up ullkey 1out of thes lot, thee ngine
continues torun. #
Have key 1checkedataq ualified specialist
wo rkshop.
If th ev ehicle doe snotstar t: #
Leavekey 1inthes lot. #
Depress theb rake pedal. #
Startt he vehicle wit hthe start/ stop button.
% Yo
uc an also swit chon thep ower suppl yor
th ei gnition wit hthe start/ stop button. Breaking-in no
tes Pr
otect thee ngine during thef irst 1,000 miles
(1,500 km) by:
R Driving at varying road and engine speeds.
R Shifting tothen extg ear up when or before
th et achome tern eedle is 00C3ofthew aytothe
re da rea.
R Avoiding stre ss on thev ehicle suc hasdriving
at full thro ttle.
R Notshifting manuall ytoalowergear to
brake.
R After1 ,000 miles (1,50 0km),gradually
increasing thee ngine speed and accelera te
th ev ehicle up tofull speed.
R Vehicles with automatic transmission: not
depressing thea ccelera torp eda lbeyo ndthe
pressur epoint (kickdown). This also applies if
thee ngine or parts of thed riv‐
et ra in ha vebeen replaced.
Also obser vethef ollowing breaking-in no tes:
R The sensor softhe ESP ®
driving saf etys ystem
adjus tautomaticall ywhile acertain dis tance
is being driven af tert he vehicle has been
delivered or af terr epairs. Full sy stem ef fec‐
tivenes sisnotreached until thee nd of this
te ach-in process.
R Newore xchanged brakepads, brak ediscs
and tires onl yprovide optimal braking and
bonding af ters eve ralh undred kilom eters.
Un tilthen, compensat efor ther educed brak‐
ing ef fect by applying greater pressur etothe
brak epedal. Driving tips
Note
sond riving &
WARNING Risk of accident du eto
object sinthe driver's foot we ll
Object sinthe driver's foot we ll ma yimp ede
pedal tr avel or bloc kadepressed pedal.
This jeopardizes theo perating and road
saf etyoft hevehicle. #
Stow all object sinthevehicle securely
so that they canno tget intot he driver's
fo ot we ll. #
Ensur efloor mats and carpets cannot
slip and pr ovide suf ficient room fort he
pedals. #
Do no tlay multiple floor mats or carpets
on topofo ne ano ther. &
WARNING Risk of accident du eto
unsuitable foot we ar
Operatio nofthe pedals ma yberestricted due
to unsuitable foot we ar suc has:
R Shoes wit hplatform soles
R Shoes wit hhigh heels
R Slippers #
When driving alw aysw ear suitable
shoes in order tobe able tooperat ethe
pedals safel y. Driving and pa
rking 111

Uns
uitable fuel can caus eengine damage. In for‐
mation abou tfuel can be found in the" Fuel" sec‐
tion (/ page248).
In fo rm atio nabout 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 any
authorized Mercedes-Benz Center.
Note sonb rakes &
WARNING Risk of skidding and of an
accident du etoshifting down on slippery
ro ad sur faces
If yo us hiftd ow nons lipperyroad sur faces to
inc rease thee ngine braking ef fect, thed rive
wheels ma ylose traction. #
Do no tshif td ow nons lipperyroad sur‐
fa ces toinc rease thee ngine braking
ef fect. &
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. Downhill
gradients
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 (/ page124).
% Cha
nget he shif trang eing oodt ime when
cruise control is acti vated. Obser vethed riv‐
ing tips (/ page111).
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 brake‐
pads can increase braking dis tances consid‐
erably ,orbraking ma yhappen on only one
side
R Maintai nanespecially larg 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 depress 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 ,regular lymonitor and checka ll of the
brakepads byper form ing avisual inspection to
look forp ad material wear.
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. 11 4
Driving and pa rking

It is also
strongly recommended 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 ever thew heels are
re mo ved.
Ne wb rake discs and brakepads
Ne wb rakepads and brak ediscso nly reac ht heir
optimal braking ef fect af tera pproxima tely
10 0m iles( 10 0k ilome 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. Ve
hicles with amanual parking brake
When driving 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
Hydroplaning &
WARNING Risk of aquaplaning because
tir et read istool ow
Depending on thed epth ofthew ater on the
ro adw ay,a qu aplaning can occur despit esuffi‐
cient tir etread dep thand lo wspeed. #
Avoid tir eruts an dbrake carefully. The
refore ,inh eavy rain or other conditions in
whic hhydroplaning can occu r,driv easf ollows:
R Reduce your speed
R Avoid tir eruts
R Brak ecarefully
Drivin gonflooded roads
Bear in mind that vehicles tr aveling in front or in
th eo pposit edirection creat ewaves. This may
cause them aximum permissible dep thofwater
to be exc eeded. These no tesm ustbeo bserved
unde rall circum stances. Otherwise, youc an
damag ethe engine, electrics and transmission.
If yo uh ave todriv eons tret ch es of road on which
wate rhas collected, please bearinm indthef ol‐
lowing:
R The wate rleve lofs tandin gwater ma ynotbe
abo vethel owe redgeoft he front bumper.
R Youm aydriv enof astert han walkin gpace.
Obser vethen otes on ford ing while off- road for
all-wheel driv evehicles (/ page116).
Infor matio nabout drivin ginwinter &
DANG ER Risk of fata linjur ydue topoi‐
sonous exhaus tgases
If th et ailpipe is bloc kedors ufficient ventila‐
tion is no tpossible ,poisonous exhaus tgases
suc hasc arbon monoxide ma yenter thev ehi‐
cle. This is thec ase when thev ehicle
becomes stuc kins now, fore xamp le. #
Keep thet ailpipe and thea reaa round
th ev ehicle free from sno wwhen the
engine or thes tationar yheater ar erun‐
ning. #
Open awindo wont he side of thev ehi‐
cle facing away from thew ind toensure
an adequat esupply of fresh air. Driving and parking
11 5

*
NO
TEDama getothev ehicle af terd riving
off-road When driving off-road or on unpa
veds urfa‐
ces, fore ign bodies suc hasstones and
branches could become trapped on thev ehi‐
cle underside, on wheels and tires, causing
damag etothevehicle.
Fo reign bodies could cause thef ollowing
damage:
R Damag ethe suspension, thef uel tank or
th eb rake system.
R Disturb theb alance and cause vibrations. #
Regular lyremo veanyt rapped fore ign
bodies, e.g. stones and branches. #
Afterd riving off-road, checkc arefully
whe ther ther eisa nydamag etothe
ve hicle. #
Ifth er eisd amage, ha vethev ehicle
ch eckedataq ualified specialis twork‐
shop. When driving off-road or on unpa
veds urfaces,
ch eckt he vehicle underside, wheels and tires
re gularly at regular inter vals. In particular,
re mo veanyt rapped fore ign bodies, suc has
st ones and branches.
Obser vethef ollowing no tesr egarding fore ign
bodies of this kind:
R Theym aydamag ethe suspension, thef uel
ta nk or theb rake system.
R Theym aydisturb theb alance and cause
vibrations.
R Theym aybe flung out from thev ehicle when
yo uc ontinue driving.
If th er eisa nydamage, infor maqualified special‐
is tw orks hop.
When driving off-road on steep inclines, youm ust
mak esuret hat theD EFtank is su fficientl yfilled.
Therefore, ensur ealevelofatl eastten liters
befor eoff-road driving.
When driving off-road and on con stru ction sites,
sand ,mud and water,also mixed wit hoil, can get
int ot he brakes. This ma ylead toareduction in
braking ef fect or total brak efailure, also as a
re sult of increased wear.T he brakin gcharacteris‐
tics will vary depending on them aterial that has
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 everse gear.
When loadin gyour 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 Chec kthe fuel and DEF le vels (/ page169)
and refill if necessar y(/pag e133).
R Engine: checkt he oil le vela nd add oil if nec‐
essar y(/pag e188) .Before drivin gupor
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 (/ page234).
R Mak esuret hat alug wrenc h(/pag e234), a
wo oden underla yfor thej ack, ar obus ttow
ro pe, afolding spade and awheel chock
(depending on equipment) ar ecarried in the
ve hicle.
R Tire sa nd wheels: checkt he tir etread dep th
( / pag e215)and thet irep ressure
(/ page223).
Ru les foro ff-road driving
Alw aysbea wareoftheg round clearance of the
ve hicle and avoid obs tacles suc hasdeept ire
ru ts. Driving and pa
rking 117

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 ov er 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
(/ page178).
R Before driving off-road, stop thev ehicle and
engag ealowgear.
R Vehicles with DSR: activateDSR when you
ar ed rivin gd ownhill (/ page127).
R All-wheel driv evehicles: activatethe all-
wheel driv e(/ pag e125) and ,ifnecessa ry,
activat ethe LOWR ANGE transmission ratio
(/ page 126).
R Ifth es urface requ ires, temp orarily deactivate
ESP ®
when pulling away .
R Onlydrive off-road wit hthe engine running
and agear engaged.
R Driv eslowl yand smo othly .W alkin gpace is
necessar yinmanys ituations.
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 outoft hevehicle 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.
Ru les forf ording off-road (all-wheel drive
ve hicles)
R Obser vethes afet yn otes and general no tes
on driving off-road.
R Chec kthe dep thand characteristic softhe
body of waterbefor efording. The waterm ust
no tbed eeper than 23.6 in (60 cm).
R The climat econtrol sy stem is switched off
(/ page101). R
The auxiliar yheating is switched off
(/ page106).
R Activat eall-whee ldrive ( /page 125) and
ac tivat eitonv ehicles wit hthe LOWR ANGE
transmission ratio (/ page 126).
R Restrict thes hiftrang eto 1or 2.
R Avoid high engine speeds.
R Driv eslowl yand smoo thly at no mor ethan a
wa lkin gpace.
R Ensur ethat no bo wwavef orms while driving.
R Afterf ording, dr ythe brakes.
Af terd riving thro ugh abody of waterdeeper than
19 .7 in (50 cm) ,makes uretoc heckallve hicle
fl uids fora ny signs of penetration bywate r.
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 oroughly befor 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.
Obser vethef ollowing points af terd riving off-
ro ad, on con stru ction sites and befor edriving on
publi croads:
R Vehicles with DSR: deactivateDSR
(/ page127).
R All-wheel driv evehicles: deactivat ethe all-
wheel driv e(/pag e125).
R Activat eESP®
.
R Clea nthe exterior lighting, particular lythe
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 sincrease sthe saf etyofy 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 11 8
Driving and pa rking

sho
wall objects whic harevery nea rtooru nder
th er ear bumper .Itwill notwarny ou of acolli‐
sion ,peopl eoro bjects.
The area behin dthe vehicle is displa yedasam ir‐
ro rimage.
Sy stem limitations
The rear vie wcamer awithi nside rearvie wmirror
displa ywill no tfunction ,orwill onlypartially
function ,inthefollowing situations:
R ifth er eish eavyrain, sno worfog
R ifth ea mbient light is poor ,e.g. at night
R ifth ea reaisi lluminated wit hfluorescent
lighting, thei nside rearvie wmirro rd isplay
ma yflicker
R ifth et emperatur echanges very quickl y,for
ex ample if youd rive out of thec old int oa
heated garage inthew inter
R ifth ea mbient temp eratur eisveryh igh
R ifth ec amera lens is co vered, dirty or fogged
up. Obser vethen otes on cleaning ther ear
vie wc amer a(/pag e195).
R thec amera or rear of your vehicle is dam‐
aged. In this case, ha vethec amera and its
position and setting checkedataq ualified
specialis tworks hop.
The field of vision and other functions of ther ear
vie wc amer amaybe restricted du etoadditional
accesso ries on ther ear of thev ehicle (e.g.
license plat ebrack et or bicycle rack ).
% The inside
rearvie wmirro rd ispla ycontrast
ma ybei mpaire dd uetoincident sunligh tor
ot her light sources. In this case, pa yparticu‐
lar attention.
% Ha
ve thei nside rearvie wmirro rr epaired or
re placed if its use is considerabl yrestricted,
fo re xamp lethro ugh pixel er rors.
% Objects
that ar enotat ground le vela ppear
fur ther aw ay than they actuall yare.
Examples of suc hobjects:
R theb umper of avehicle par kedb ehind
R thed rawbar of atrailer
R theb all nec kofat railer coupling
R thet ail-en dofat ruck
R slanted posts Displaying and hiding
ther ear-vi ewmirror
displ ay
Displaying #
Engage reve rseg ear.
The rear vie wcamer aimag eappear sonthe
lef tside of thei nside rearvie wmirro r.
% Be
awareoft he sy stem limitations of ther ear
vie wc amer awithr ear-vie wmirro rd ispla y.
Hiding #
Engag eanother gear.
or #
Swit chofft he engine.
The displa ywill be hidden af teras horttime. AT
TENTION ASSI ST Fu
nction of ATTENTION ASSI ST
AT TENTION ASSIS Tcan assis tyou on long,
mono tonou sjou rney s, e.g. on highw aysa nd trunk
ro ads. If ATTENTION ASSIS Tdetects ind icator sof
fa tigue or increased lapse sinconcentration on
th ep artoft he driver ,itsuggests taking abreak.
AT TENTION ASSIS Tisonlyana id. It cannot
alw aysd etect dr owsiness or increased lapses in
concentration in good time. The sy stem is no ta
substitut efor aw ell-res teda nd attentiv edrive r.
On long journe ys,tak er egular and timel ybreaks
th at allo wyoutorest properly.
Yo uc an choose between tw osettings:
R Standard: normal sy stem sensitivity
R Sensitive: higher system sensitivity .The
driver is warned earlier and thea ttention le vel
de tected bythes ystem( Attention Le vel) is
adap teda ccordingly.
If fatigue or increased lapse sinconcentration are
de tected, theATTENTION ASSIST: Take aBreak!
wa rning appear sinthe Instrument Displa y.Yo u
can acknowledg ethe messag eand take ab reak if
necessar y.Ifyo udon ottake ab reak and ATTEN‐
TION ASSIS Tcontinues todetect increased lap‐
ses in concentration, youw ill be warned again
af te ram inimu mof15m inutes. 15 6
Driving and pa rking

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. Information about
towing 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 215) R
Adjus tthe outside mir rors so that youh avea
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
moderatel yatfirst so that thet 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 owe rgear 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 overtak ing, pa yparticular attention to
th ei ncreased overtakin gdista nce of your
ve hicle/trailer combination. 16 6
Driving and pa rking