Page 269 of 585

R
Engine oi llevel Callin
gupthe assistan tdisplay On-boar
dcomputer:
, Assistance
% Ve
hicles with thei nstrument displa yin
th ew idescreen cockpit: whenyouh ave
th ed esign se ttoProgressive ,you can view
th ea ssis tant displ ayinthel eft-hand portion
of thei nstrument displa y.
The following displa ysarea vailable from the
assis tant displ aymenu:
R Assis tant displ ay
R Attentio nleve l(→ pag e244) #
Toswitc hbetwe en thed ispla ys:swipe
upwards or down wardsont he left-hand
to uc hc ontrol. St
atus displa yson thea ssis tant displ ay:
R é :ATTENTION ASSIS Tdeactivated
R æ:A ctiveBrake Assi stdeactivated
R Light lane markings: ActiveL aneK eeping
Assis tactivated
R Green lane markings :Activ eLaneK eeping
Assis tactive R
Grey radar waves next tovehicle: Blind Spot
Assis tactivated
R Green radar waves next tovehicle: Blind Spot
Assis tactive
R ActiveD ista nce Assi stDISTRONI Cdispl ays
( → pag e209) Calling up displa
ysintheT ripm enu On-boar
dcomputer:
, Trip
% Ve
hicles with an instrument displa yin
th ew idescreen cockpit: whenyouh ave
th ed esign se ttoProgressive ,you can view
information on thej ourne yinthe left-hand
area of thei nstrument displa y. #
Toselect adispla y:swipe upwards or down‐
wa rdsont he left-hand Touc hC ontrol.
Displa ysinthe Trip menu:
R standar ddisplay
R rang ea nd cur rent fue lconsu mption 266
Instrument Displ ayand on-boar dcomputer
Page 270 of 585
When
gliding mode is activ e(→pag e179),
Gliding mode is displayedi nstead of thec ur‐
re nt fue lconsu mption.
Ar ecuperation displa yisalsoavailable for
cer tain engines. If ther eiso nlyas mall
amount of fuel lef tinthe fuel tank ,the dis‐
pla yshows avehicle being refuelled ins tead
of ther ange.
R ECOd ispl ay ( →pag e174 )
R Trip computer Froms tart and Fromr eset
R Digital speedom eter
% Ve
hicles with an Instrument Displa yin
th eW idescreen Cockpit: thed igital speed‐
ome tero nly appear sintheClassic andSport
designs. Example:
standar ddisplay
1 Trip dis tance
2 Totald ista nce recorder Example: trip compu
ter
1 Totald ista nce recorder
2 Driving time
3 Averag espeed
4 Averag efuel consum ption Instrumen
tDispla yand on-boar dcomputer 267
Page 289 of 585
Vo
ice command Function
Climate control menu To
displa yclimat econtrol settings
Automatic climate control driver on To
switc hont he automatic climat econtrol settings on thed rive r's side
Light menu To
displa ylight settings
Massage menu To
displa ymassag esettings
Massage driver' sseat on To
switc hont he massag efunction fort he driver's seat
Massage driver's seat off To
switc hoffthem assag efunction fort he driver's seat
Outside temperature To
displa ythe outside temp erature
Engine data To
displa yengin edata
Seats menu To
displa yseat adjustmen tsettings
Seat heating fron tpassenger level 2 To
setthe seat heating fort he front passenger seat toleve l2
Consumption menu To
displa yconsum ption
Vehicle data To
displa yvehicle data 286
LINGU ATRO NIC
Page 395 of 585

Batter
ydisconnection periods The AS
SYST PLUS service inter vald isplay
can onl ycalculat ethe servic edue date when
th eb attery is connected. #
Notedown thes ervice due dat edispla yedon
th ei nstrument displa ybefor edisconnecting
th eb atter y(→pag e391). Engine compartment
Ac
tiv eb onne t(pedestrian pr otection) Operation of
thea ctiv ebonne t(pedestrian
pr otection)
In cer tain accident situations ,the risk of injury
to pedestrians can be reduced bythea ctuation
of thea ctiv ebonnet .The rear area of thee ngine
bonn etisraised byappr oximatel y85m m.
Fo rthe driv etotheworkshop, rese tthe trig‐
ge reda ctiv ebonn etyourself .Ifthe activ ebonnet
has been triggered, pedestrian pr otection may
be limited.
Aq ualified specialis tworks hop mus tre-ins tate
th ef ull functionality of thea ctiv ebonnet. The activ
ebonne tisnotavailable in all coun‐
tries.
Re setting thea ctiv ebonnet &
WARNING Danger of bu rnsf romh ot
component parts in thee ngine compart‐
ment
Cer tain component parts in thee ngine com‐
partmen tmaybe very hot, e.g. thee ngine,
th er adiator and parts of thee xhau stsystem. #
Letthe engine cool down and only
to uc ht he component parts described
below: #
With your han dflat, push down activ ebonnet
1 inthea reaa round theh inges on bo th
sides (ar rows).
The engine bonne tmuste ngag einp osition. #
Ifth ea ctiv ebonnet can be raised slight lyat
th er ear in thea reaoft he hinges, repeat the
st ep until it engages cor rectl y. 392
Maintenanc eand care
Page 396 of 585

Opening/closing
theb onnet &
WARNING Risk of accident du etodriv‐
ing wit hthe engine bonne tunlo cked
An unloc kede ngin ebonn etma yopen up
when thev ehicle is in motion and bloc kyour
vie w. #
Neveru nloc kthe engine bonne twhen
driving. #
Befor eevery trip, ensur ethat the
engine bonn etis loc ked. &
WARNING Risk of accident and inju ry
when opening and closing thee ngine
bonn et
When opening or closing thee ngine bonn et,
it ma ysuddenly drop int othe end position.
Ther eisar isk of inju ryfora nyo ne in the
engine bonn et's rang eofm ovement. #
Onlyopen or close thee ngine bonn et
when ther ea reno persons in the
engine bonn et's rang eofm ovement. &
WARNING Danger of bu rnsw hen open‐
ing theb onnet
If yo uo pen thee ngine bonn etwhen the
engine has overheated or during afireint he
engine compartment, youc ould come into
contact wit hhotgases or other escaping
operating fluids. #
Befor eopening theb onnet ,allowt he
engine tocool down. #
Inthee vent of afireint he engine com‐
partment, keep thee ngine bonn et
closed and cal lthe fire service. &
WARNING Risk of inju rydue tomoving
parts
Cer tain component sinthe engine compart‐
ment ma ycontinue tomo veor suddenly
mo veagain evenafter thei gnition has been
switched off, e.g. thec ooler fan.
Ma kesur eoft hefollowing befor eperform ing
ta sk sint he engine compartment: #
Switc hthe ignition off. #
Nevertouc hthe danger zone sur round‐
ing movin gcomponent pa rts, e.g. the
ro tatio na reaoft hefan. #
Remo vejewe ller yand watches. #
Keep items of clo thing and hair away
from moving parts. &
WARNING Risk of inju ryfrom touching
co mp onent parts under voltage
The ignition sy stem and thef uel injection
sy stem workunder high voltage. If yout ouch
component parts whic hareunder voltage,
yo uc ouldrecei vean electric shoc k. #
Nevertouc hcomponents of thei gnition
sy stem or thef uel injection sy stem
when thei gnition is switched on. &
WARNING Danger of bu rnsf romh ot
component parts in thee ngine compart‐
ment
Cer tain component parts in thee ngine com‐
partmen tmaybe very hot, e.g. thee ngine, Maintenanc
eand care 393
Page 397 of 585
th
er adiator and parts of thee xhau stsystem. #
Letthe engine cool down and only
to uc ht he component parts described
below: &
WARNING Risk of inju ryfrom using the
windscreen wiper swhile thee ngine bon‐
ne tiso pen
When thee ngine bonn etis open ,and the
windscreen wiper saresetinm otion, youc an
be trapped bythew iper linkage. #
Alw ayss witc hoffthew indscreen wip‐
er sa nd ignition befor eopening the
engine bonn et. #
Toopen: pull lever1torelease thee ngine
bonn et. #
Push bonne tcatch 1upwards and lif tthe
bonne tbyapproximatel y40cm. #
Toclose: lowe rthe bonne tand le titfall from
ah eight of appr oximatel y20cm. #
Ifth eb onnet canstill be lif teds lightl y,open
th eb onnet again and close it wit halittle
mor eforce until it engages cor rectly. 394
Maintenance and care
Page 398 of 585

Engine oil
Checking
thee ngine oil le velu sing theo il
dip stick &
WARNING Danger of bu rnsf romh ot
component parts in thee ngine compart‐
ment
Cer tain component parts in thee ngine com‐
partmen tmaybe very hot, e.g. thee ngine,
th er adiator and parts of thee xhau stsystem. #
Letthe engine cool down and only
to uc ht he component parts described
below: Depending on
thee ngine, theo il dipstic kmaybe
ins talled in thee ngine compartmen tindiffe re nt
locations.
Wa itin gtimeb efor echecking theo il le vel:
R engin eatn ormal operatin gtemperature: five
minutes. #
Park thev ehicle on aflat sur face. #
Remo veoil dipstick 1and wipe off. #
Slowl yslide oil dipstick 1intot he guide
tube tothes top, and take it out again af ter
appr oximatel ythree seconds.
R Oil le velisc orrect:o il le velisb etwe en 2
and 3.
R Oil le veltoo low: oil le velisat 3or
belo w. R
Oil le veltoo high: oil le velisa bove 2 . #
Ifth eo il le velist oo lo w,topupw ith1 lof
engin eoil. #
Ifth eo il le velist oo high, drain of fexcess
engine oil. Consult aqualified specialist
wo rkshop.
Checking thee ngine oil le velw ithano n-
boar dcomputer
The engin eoil le velc an be checkedu sing theo n-
boar dcomputer fort he following models:
R E200 d, E220 d, E220 d4MATIC,
E2 20 d4MATIC All Terra in
R E300 d, E300 de, E350 d
R E400 d, E400 d4MATIC, E400 d4MATIC
All Terra in
The engin eoil le velisd etermined during driving.
The oil le veld ispla yiso nlya vailable af terad riv‐
ing time of up to30 minutes and if thei gnition is
switched on, depending on thed riving profile. Maintenanc
eand care 395
Page 399 of 585

It is no
tpossible tocor rectl ym easu retheo il
le ve lif:
R thev ehicle is no tleve lduring them easure‐
ment process.
R theb onnet wasp reviousl yopened.
The engin emustber estarted and thee ngine oil
le ve lw ill be de term ined again when driving.
On-boar dcomputer:
, Service .
Engine oil level:
Yo uw ills ee one of thef ollowing display
messa gesint he multifunction dis play: #
Engine oi llev el Measuring now:m easure‐
ment of theo il le velisn otyetp ossible.
Re peat ther eques tafter am aximu mof30
minutes' driving. #
Engine oil level OK andtheb ar displa yfor
indicating theo il le velint he multifunction
displa yisgreen and is between "min" and
"max": theo il le velisc orrect. #
Engine oil level Add 1.0 l andtheb ar display
fo ri ndicating theo il le velint he multifunction displa
yisorang ea nd is belo w"min": topup
wit h1lofe ngineoil. #
Reduce engin eoil level andtheb ar display
fo ri ndicating theo il le velint he multifunction
displa yisorang ea nd is abo ve"max": drain
of ft he exc ess engine oil. Consult aqualified
specialis tworks hop. #
For engine oil level turn on ignition:s witchon
th ei gnition tocheckt he engine oil le vel. #
Engine oil level System inoperative :sensor
fa ulty or no tconnec ted. Consult aqualified
specialis tworks hop. #
Engine oil level System currently unavail. :
close theb onnet.
To pping up engine oil &
WARNING Danger of bu rnsf romh ot
component parts in thee ngine compart‐
ment
Cer tain component parts in thee ngine com‐
partmen tmaybe very hot, e.g. thee ngine,
th er adiator and parts of thee xhau stsystem. #
Letthe engine cool down and only
to uc ht he component parts described
below: &
WARNING Risk offire and injur yfrom
engine oil
If engine oil comes int ocontact wi thhot
component parts in thee ngine compart‐
ment ,itmayignite. #
Mak esuret hat no engine oil is spilled
next tothef iller opening. #
Allo wthe engine tocool of fand thor‐
oughl yclean thee ngine oil from compo‐
nentp arts befor estartin gt he vehicle. *
NO
TEEngine dama gecaused byan
incor rect oil filter ,incor rect oil or addi‐
tives #
Do no tuse engine oil soroilfilters
whic hdon otcor respond tothes pecifi‐
cation sexplicit lyprescribed fort he
service inter vals. 396
Maintenance and care