#
Toswitc helectronic le velc ontrol on
again: press button 4again.
The indicator lam ponbutton4goes out.
Using theb uttonint he control panel #
Park thev ehicle, leaving thei gnition switched
on. #
Tolowe rautomatical ly:brie flyp ress the
lo we rsection of switch 2.
Electronic le velc ontrol automaticall ylow ers
th ev ehicle. #
Tostop them ovement, brief lypress theu pper
section of switch 1. #
Toraise todriving le vel:briefly press the
upper sectio nofswitch 1.
Electroni cleve lcontrol automaticall yraises
th ev ehicle tothed riving le vel. #
Tostop them ovement, brief lypress thel ower
section of switch 2. #
Toswitc hona utomaticall y:driv eato ver
6.2 mph(10 km/h) or release thep arking
brake.
Elect ronic le velc ontrol controls thev ehicle
le ve la utomaticall y. Using electronic le
velc ontrol forc harging
with air in an emer gency Onl
yfor vehicles wit hvalves fore lectronic le vel
control emergency charging. If electroni clevel control is malfunctioning and
thev ehicle is lean‐
ing, youc an raise or lo werthe vehicle bycon‐
necting an extern al compressed-air source toone
of thee mer gency valves (tir evalves). If elect ronic
le ve lc ontrol is deactivated, youc an driv eon
carefull ytothe neares tqualified specialis twork‐
shop and ha vethem alfunction remedied.
* NO
TEDama gedue topressur ebeing too
high If
th ep ressur eint he air suspension bello ws
is tooh igh, thec ompressed-air lines or thea ir
suspension bello wsmaybed amaged. #
Ensur eyou obser vethem aximum per‐
missible operating pressur eof600 kPa
(6 bar/8 7psi). #
Appl ythe parking brake. #
Vehicles with automatic transmission:
shif tthe transmission toposition 005D. #
Switc hoffelectronic le velc ontrol
(/ page123). #
Switc hoffthee ngine and open theh ood
(/ page173). #
Unscr ewthev alvec ap of thec orresponding
va lve. #
Connect thee xternal co mpressed-air source. #
Raise or lo werthe vehicle le velbyc harging or
re leasing compressed air until thed riving
le ve lh as been reached and thev ehicle is in a
horizontal position. While doing so, ensure
yo uo bse rvet he maximum permissible oper‐
ating pressur eof600 kP a(6bar/87psi). #
Disconnec tthe extern al compressed-air
source. #
Tighten thev alvec aps on thev alves. #
Close theh ood (/ page173). #
Driv eonc arefully tothen eares tqualified
specialis tworks hop. 124
Driving and pa rking
Problems with
thee lectronic le velc ontrol Problem
Possible causes/consequences and 0050 0050Solutions
Yo uc anno traise or lo wer
th ev ehicle le velw hen
st ationar y. The compressor is in danger of
overheating. Af terr epeatedly raising and
lo we ring thev ehicle, electronic le velc ontrol (pla yprotection )isdeactiva‐
te d. #
Trytos etthev ehicle le velm anuall yagain af tera pproxima tely
one minute.
Electri cleve lcontrol has been deactivated due tounde rvoltage. The bat‐
te ry ma ynotbe charging.
Handlin gand ride comfor tmaysuf fer. #
Startt he engine. #
Consult aqualified specialis tworks hop as soon as possible. Re
fueling Re
fueling thev ehicle &
WARNING Risk offire or explosion from
fuel
Fu els ar ehighly flammable. #
Fire, open flames ,smokin gand creation
of spar ksmus tbea voided. #
Swit chofft he ignition and, if available,
th es tationar yheater ,befor eand while
re fueling thev ehicle. &
WARNING Risk of inju ryfrom fuels
Fu els ar epoisonous and hazardous to your
health. #
Do no tswa llowf uel or le titcomeinto
con tact wi thskin, eyes or clo thing. #
Do no tinhale fuel vapor. #
Keep children away from fuel. #
Keep door sand windo wsclosed du ring
th er efueling process.
If yo uoro ther people come int ocontact with
fuel, obser vethef ollowing: #
Immediatel yrins efueloffyo ur skin with
soap and water. #
If fuel comes int ocontact wit hyour
ey es, immediatel yrins ethem thor‐
oughly wit hclean water.Seek medical
attentio nimmediately. #
Ifyo us wallowf uel, seek medical atten‐
tio nimmediatel y.Do no tinduce vomit‐
ing. #
Chang eimmediately out of clo thing that
has com eintoc ontact wi thfuel. &
WARNING Risk offire or explosion from
electros tatic charge
Electros tatic charge can crea tespar ksand
th ereb yignit efuel vapors. #
Befor eopenin gthe fuel filler cap or tak‐
ing hol dofthe pum pnozzle, touc ht he
me tallic body of thev ehicle.
This dischar gesa ny electros tatic charge
th at ma yhave built up. #
Do no tget intot he vehicle again during
th er efueling process.
Otherwise, electros tatic charge could
buil dupa gain. &
WARNING Risk offire from fuel mixture
Ve hicles wit hadiesel engine:
If yo um ix diese lfuel wit hgasoline ,the flash
poin toft he fuel mixtur eislowerthan that of
pur ediese lfuel.
While thee ngine is running ,component pa rts
in thee xhau stsystem ma yoverheat without
wa rning. #
Neverrefuel using gasoline. #
Neverm ixga soline wit hdiesel fuel. Driving and parking
12 5
%
Ve
hicles with adiese lengine and incor‐
re ct fueling pr otector agains trefueling
wit hgasoline: thef iller nec kisdesigned for
re fueling at diesel filling pumps forp assenger
ve hicles. %
Ve
hicles with adiese lengine without
incor rect fueling pr otector: youc an also
re fuel at adiesel filling pum pfor truc ks.
% If
th ef uel tank ha sbeenr un comple tely dr y,
add at leas t1.3gal(5l)off uel. Problems wit
hthe fue land fuel tank Problem
Possible causes/consequences and 0050 0050Solutions
Fu el is leaking from the
ve hicle. The fuel line or
thef uel tank is de fective. #
Apply thep arking brake. #
Switc hoffthee ngine. #
Remo vethek eyfrom thei gnition loc k.
Or ,onv ehicles wit hKEYLESS‑GO: #
Open thed rive r's door.
The on-boar delectronics ar einposition 005A.This cor responds tothe
"k ey remo ved". #
Do no tres tart thee ngine under an ycircums tances. #
Consult aqualified specialis tworks hop.
The engine does not
st art. The fuel
tank ha sbeenr un comple tely dr y. #
Refuel thev ehicle wit hatleast1.3gal(5l)off uel. #
Swit chthei gnition on fora pproxima tely tens econds. #
Startt he engine continuously foram aximu moften seconds until it
ru ns smo othly.
If th ee ngine does no tstart: #
Switc hthe ignition on fora pproxima tely tens econds. #
Startt he engine continuously foram aximu moften seconds until it
ru ns smo othly.
If th ee ngine does no tstart afte rt hree attem pts: #
Consult aqualified specialis tworks hop. DEF
Note
sonD EF
* NO
TEWhe nyou open theD EFtank,
small amounts of ammoni avapor may
escape. #
OnlyfilltheD EFtank in well-ventilated
areas. #
Do no tlet DE Fc om eintoc ontact wi th
skin, eyes or clo thes. #
Keep DEFa wayfromc hildren. *
NO
TEDo no tinges tDEF. If DEF is swallo
wed: #
Immediatel yrins eo utyour mout hthor‐
oughly. #
Drink plenty of water. #
Seek medica lattentio nimmediately. *
NO
TEDama gecaused byadditives in
DE Forbyd iluting DEF The DEFe
xhaustgasa ftertreatment sy stem
could be destr oyed bythef ollowing:
R Additives in DEF Driving and parking
127
Emer
gency braking In
thee vent of an emergency ,you can brak ethe
ve hicle while it is in motion wit hthe electric park‐
ing brake. #
While driving, press switch 1ofthee lectric
parking brake.
The vehicle is braked as long as youk eep
switch 1ofthee lectric parking brake
depressed.
The longer electric parking brak eswitch 1is
depressed, theg reater theb raking forc e.
During theb raking procedure, youw illreceiv ethe
fo llowing feedbac kfromt hevehicle:
R awarning tone sounds
R the" Release parking brake" displa ymessage
appears
R ther ed 0049 and0024 (USA) or 0024(Can‐
ada) indicator lamps in theI nstrument Display
fl ash
When thev ehicle has been braked toas tandstill,
th ee lectric parking brak eisapplied. Pa
rking thev ehicle forane xtended period Pa
rking thev ehicle forl on gerthan four
we eks #
Method 1: connec tthe batteries toatrick le
ch arge r. #
Method 2: disconnect thev ehicle star terb at‐
te ry. #
Method 3: switchofft he po wersupply using
th eb atter ymain switc hand disconnect the
auxiliar ybatter yonthe vehicle. #
Method 4: interrupt thep owe rsupply byacti‐
va ting standb ymode (/ page136). The
charge leve loft he batter ymustbec hecked
eve rythre ew eek sifnom easures ar etaken to
maintain theb atter ycharge. #
Batte ryvoltag ebelow1 2.2 V:charge the
batter ytopreve nt deep discharg edamage.
% Fu
rther information can be obtained at a
qu alified specialis tworks hop. St
andb ymode Ac
tivating/deactivatin gstandb ymode
Re quirements:
R thee ngine is switched off.
On-boar dcomputer:
4 Settings 5
Vehicle
5 Ruhezustand (Stan dby) #
Toactivate/deactivate: selectYesorNo. Drivin
gand drivin gsafet ys ystems Note
on driving sy stems and your responsibil‐
ity 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 eaids
and do no trelie veyouofy ourresponsibility.
Alw aysp ayattention tothet raffic and inter vene
if necessa ry.Bea wareofthel imitations rega rd‐
ing thes afeu se of these sy stems. Information about sensors
Cer
tain driving and driving saf etys ystems use
sensors 1tomonitor thea reainf ront of, behind
or next tothev ehicle (depending on thev ehicle's
equipment). 13 6
Driving and pa rking
Depending on
thev ehicle's equipment, ther adar
sensor sareintegrated behind theb umpers
and/or behind ther adiator grill. Keep these parts
free of dirt, ice and slush (/ page183). The sen‐
sor sm ustn otbe co vered, fore xamp leby bicycle
ra ck s, overhanging loads or sticke rs.A fter ac olli‐
sion, ha vethef unction of ther adar sensors
ch eckedataq ualified specialis tworks hop as
damag e(both visible or non-visible) ma yhave
occur redtot he bumper or radiator trim. Fu
nction of driving sy stems and driving
saf etys ystems In
this section, youw illfind information abou tthe
fo llowing driving sy stems and driving saf etys ys‐
te ms:
R ABS ( Anti-lock braking system)
(/ page137)
R ASC (Acceleration SkidControl)
(/ page137)
R BAS(Bra ke Assist System) (/ page137)
R ESP ®
(Electronic Stability Program)
(/ page138)
R EBD ( Electronic Brakeforce Distribution)
(/ page139)
R ActiveB rake Assi st (/ pag e139)
R Cruise control (/ page141 )
R ActiveD ista nce Assi stDISTRONIC
(/ page 142)
R Hill star ta ssist
R HOL Dfunction (/ page145)
R Parking Assis tPARKTRONIC
R Rear vie wcamera
R 360° Camera
R ATTENTION ASSIS T(/ pag e146)
R Blind Spo tAssist ( / pag e147)
R ActiveL aneK eeping Assis t(/pag e150) Fu
nctions of ABS (Anti-loc kBraking Sy stem) Obser
vethei mp ortant sa fety guideline sfor the
driving saf etys ystem.
ABS cont rols theb rake pressur eincritical situa‐
tions:
R thew heels ar epreve nted from lo cking when
braking, e.g. during maximum full-s topb rak‐
ing or when ther eisi nsufficient tir etraction. R
thes teerability of thev ehicle in term sof
ph ysical possibilities is ensured when brak‐
ing.
R ABSisa ctivefroms peeds of appr ox.3m ph
(5 km/h). On aslipper yroad sur face, ABS
inter venes evenify ou onl ybrake gently.
Sy stem limitations
If th er eisam alfunction and they ellow 0025 ABS
wa rning lam plight supc ontinuousl yinthe instru‐
ment displa yafter startin gthe engine, ABS may
be impaired or inoperative.
If ABS inter venes, youw illfeel ap ulsing in the
brak epedal. The pulsating brak epedal ma ybean
indication of hazardous road condition sand func‐
tions as areminder totake extrac arew hile driv‐
ing.
If ABS in terv enes: keep theb rake pedal firm ly
depressed until theb raking situation has passed.
To car ryout maximum full-s topb raking:
dep ress theb rake pedal wit hfull forc e. Fu
nction of BAS(Brak eAssis tSystem) &
WARNING Risk of an accident caused by
am alfunctio ninBAS (Brak eAssistSys‐
te m)
If BA Sism alfunctioning ,the braking dis tance
in an emergency braking situation is
increased. #
Depress theb rake pedal wit hfull force
in emer gency braking situations. ABS
pr eve nts thew heels from locking. BA
Ss uppo rtsy ou wit hadditional braking forc ein
an emer gency braking situation.
If yo ud epress theb rake pedal quickl y,BA Sis
acti vated:
R BASa utom atically boosts theb raking forc eof
th eb rakes
R BASc an sho rten theb raking dis tance
R ABS pr eventst he wheels from locking
When your elease theb rake pedal, theb rakes
function as usual again. BASisd eactivated. Fu
nctions of ASR (Acceleration Skid Control) ASR can neither
reduce ther isk of an accident
nor override thel aw sofp hysics if thed rive rd oes
no tp ay attention when pulling away or accelerat‐
ing. ASR is onl yanaid. Alw aysa dap tyour driving Driving and parking
137
st
yletos uitthep reva iling road and weather con‐
ditions.
If yo ua ctivat eord eactivat ethe all-wheel driv ein
av ehicle wit hthis option, ASR will be deactivated
fo rt he duration of thea ctivation/deactivation
process.
Ve hicles without steering wheel but tons: if
ASR is malfunctioning, the00E5 indicator lamp
lights up while thee ngine is running and the
engine output ma ybereduced (/ page23).
ASR impr ovestraction, i.e. thet ransfer of po wer
from thet ires tother oad sur face, foras ustained
period and, thereb y,also impr ovesthe driving
st abilit yoft hevehicle. If thed riving wheels start
to spin, ASR brakes individuald rive wheels and
limits thee ngine torque. ASRthus significantly
assists youw hen pullin gawaya nd accelerating,
especiall yonw etor slippe ryroads.
If traction on ther oad sur face is no tsufficient,
eve nASR will no tallow youtop ullaway without
dif ficulty .The typ eoftires and totalwe ight of the
ve hicle as well as theg radient of ther oad also
pla yac rucial role.
If AS Rinter venes, the00E5 warning lam pinthe
instrument display flashes. Fu
nctions of ESP ®
(Electronic Stability Pro‐
gr am) &
WARNING Risk of skidding if ESP ®
is
malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry
out vehicle stabilization. In addition ,other
driving saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified spe‐
cialis tworks hop. &
WARNING Risk of skidding if ESP ®
is
deactivated
If yo ud eactivat eESP®
,E SP ®
canno tcarry out
ve hicle stabilization. #
ESP ®
shoul donlybed eactivated in the
fo llowing situations. Do no
topera tethev ehicle on aroller dynamo me‐
te r( e.g. forap erform anc etest). If youh ave to
operat ethe vehicle on aroller dynamo meter,con‐
sult aqualified specialis tworks hop beforehand. If
yo ua ctivat eord eactivat ethe all-wheel driv ein
av ehicle wit hthis option, ESP ®
will be deactiva‐
te df or thed uration of thea ctivation/deactiva‐
tion process.
If ESP ®
is malfunctioning or deactivated, the
00E5 warning lam plight supw hilethee ngine is
ru nning and thee ngine output ma ybereduced
(/ page23).
% Onl
yuse wheels wit hthe recommended tire
sizes. Only then will ESP ®
function properly. Ac
tivating/deactivatin gESP®
(Electronic Sta‐
bility Prog ram) On-boa
rdcompu ter:
4 Settings 5
DriveAssist 5
ESP (ESP) #
Select Ein(On) or Aus00BB (Off). Fu
nctions of ESP ®
Crosswind Assist Crosswind Assis
tdoes no tworkifE SP®
is deacti‐
va tedord isabled due toam alfunction.
Crosswind Assis tdoes no treact under thef ollow‐
ing conditions:
R The vehicle is subjected tosevere jolts and
vib rations, e.g .asar esult of une vens urfaces
or po tholes.
R The vehicle loses traction, e.g. on sno worice
or when hydroplaning.
R The driver is per form ing sudden and lar ge
st eering mo vements.
Crosswind Assis tisoperational again as soon as
th ed riving conditions retur nton ormal.
Crosswind Assi stdetects stro ng crosswind gu sts
th at can impair abilit yofyourvehicle todrive
st ra ight ahead. Crosswin dAssis tinter venes
depending on thed irection and stre ngt hoft he
crosswind.
As tabilizing brak eapplicatio nhelps youtok eep
th ev ehicle on trac k.
Information is shown in thei nstrument clus terin
th ee vent of aclearly discernible inter vention by
Crosswind Assist.
Crosswind Assis tisactiveabove avehicle speed
of 50 mph(80 km/h )whent he vehicle is driving
st ra ight ahead or cornering gently. 13 8
Driving and pa rking
Fu
nction of ESP ®
trailer stabilization &
WARNING Risk of accident in poo rroad
and weather conditions
In poor road and weather conditions, the
traile rstabilizatio ncanno tpreve nt lu rching of
th ev ehicle/trailer combination .Trailer sw ith
ah igh cen terofg ravity ma ytipover before
ESP ®
de tects this. #
Alwaysa dap tyour driving styletos uit
th ec urrent road and weather condi‐
tions. ESP
®
trailer stabilizatio ncoun tera cts critica ldriv‐
ing situations in goo dtime and thereb yprovides
conside rable assis tance when driving wi th a
traile r. Trailer stabilizatio nispartofE SP®
.
If th es ensor sy stem and evaluatio nlogic de tect
trailer swinging mo vements, ESP ®
trailer stabili‐
zation initiall ybrake sindividual vehicle wheels in
at arge tedm anner .Itthus cou nteracts swinging
mo vements. If thes winging mo vements do not
st op, thev ehicle is braked until thev ehicle/
trailer combination is stabilized. If necessar y,the
ve hicle's engine output is limited.
If yo ur vehicle wit htrailer (vehicle/trailer combi‐
nation) starts toswer ve,y ou ar eable tostabilize
th ev ehicle/trailer combination onl ybybraking.
ESP ®
trailer stabilizatio nhelps youtos tabilize
th ev ehicle/trailer combination in this situation.
ESP ®
trailer stabilizatio nisactiveabove speeds
of 40 mph(65 km/h).
If ESP ®
is de activated because of amalfunction,
trailer stabilizatio nwill no tfunction. Fu
nction of EBD (electronic brak eforce distri‐
bution) EB
Dh asthef ollowing characteristics:
R monitoring and controllin gthe braking force
on ther ear wheels
R impr oving driving stabilizatio nwhen braking,
especiall yonb ends Fu
nction of Activ eB rake Assi st Ac
tiveB rake Assi stconsi stsoft hefollowing func‐
tions:
R Distance warning function
R Autonomous braking function R
Situation-dependent braking assis tance
Ac tiveB rake Assi stcan hel pyou tominimize the
ri sk of acollision wit hvehicles or pedestrians or
to reduce thee ffects of suc hacollision.
If Ac tiveB rake Assi sthas de tected arisk of colli‐
sion, youw ill be warned visuall yand acousticall y.
If yo udon otreact tothev isual or acoustic warn‐
ing, autonomous brakin gcan be initiated in criti‐
cal situations.
If th er ea repedestrians and cyclists crossing: in
especiall ycritical situations, ActiveB rake Assi st
can initiat eauton omous braking di rectl y.In this
case, thev isual and acoustic warning occurs
simultaneousl ywitht he braking application.
If yo ua ppl ythe brak eyourself in acritical situa‐
tion, or appl ythe brakes during autonomous
braking, situation-dependent braking assis tance
occu rs.T he brak epressur eincreases up tomaxi‐
mum full-s topb raking if necessar y.Situation-
dependent braking assis tance only inter venes
when theb rake sa reapplied firm ly;o therwise, it
re mains within thea utonomous braking process. &
WARNING Risk of accident caused by
limited de tection per form anc eofA ctive
Brak eAssist
Ac tiveB rake Assi stcanno talway sc lea rly
identify object sand comple xtraffic situa‐
tions.
Du etot he natur eofthe sy stem, complex
driving conditions ma yalso cause Brake
Assis ttointervene or no tinter vene wi thout
re ason .Ins uchc ases, and in thee vent of
Ac tiveB rake Assi stmalfunctioning, theb rake
sy stem will continue tobe available wit hfull
brak eboos tand BAS. #
Alwaysp aycareful attention tothet raf‐
fi cs ituation; do no trelyo nA ctiv eBrake
Assi stalone. ActiveB rake Assi stis only
an aid. The driver of thev ehicle is
re sponsible fork eeping asufficiently
saf ed ista nce tothev ehicle in front, for
ve hicle speed and forb raking in good
time. #
Be prepare dtobrake or swer veif nec‐
essar y. Also obser
vethes ysteml imitations of Active
Brak eAssist. Driving and pa
rking 13 9
Sy
stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R The sensor sareaffected bysno w,rain, fogor
heavy spr ay.
R The sensor saredirty ,fogged up, damaged or
co vered.
R The sensor sareaffected byinter fere nce from
ot her radar sources, e.g. strongradar reflec‐
tions in parking garage s.
R Ifal oss of tir epressur eorad efectivetireh as
been de tected and displa yed.
R Full sy stem per form anc eisn otavailable fora
fe ws econd safter swit ching on thei gnition or
af te rd riving off.
The sy stem ma ynotreact cor rectl yint hefollow‐
ing situations:
R In comple xtraffic situations, objectsm aynot
al wa ys be clear lyde tected.
R Pedestrians or vehicles mo vequickl yintot he
de tection rang eoft he sensors.
R Pedestrians ar eobscured by other objects.
R In bends wit hanarrow radius. Setting
Activ eB rake Assi st Re
quirements:
R The ignition is switched on
On-boar dcomputer:
4 Settings 5
DriveAssist
5 Aktive rBrems-Assistent (ActiveBrake Assist)
The following settings ar eavailable:
R Early
R Medium
R Late #
Select asetting.
% Af
tert he ignition has been switched of fand
th en bac konagain, Medium is setbyd efault. Cruise control
Fu
nction of cruise control
Cruise cont rola ccelerates and brakes thev ehicle
automaticall yinorder tomaintain apreviously
st ored speed.
If yo ua ccelerat etoovertake, fore xamp le,the
st ored speed is no tdele ted. If your emo veyour fo
ot from thea ccelerator pedal af tero vertaking,
cruise control will resume speed regulation back
to thes tore ds peed.
Cruise contro lisoperated using thec orrespond‐
ing steering wheel buttons. Youc an stor ea ny
ro ad speed abo ve15 mp h(20 km/h).
If yo uf ail toadap tyour driving style, cruise con‐
trol can neither reduce ther isk of an accident nor
ove rride thel aws of ph ysics. It canno ttak ei nto
account road, weather or traf ficc onditions.
Cruise control is only an aid. Youa re re sponsible
fo rt he dis tance tothev ehicle in front, forv ehicle
speed, braking in good time and fors taying in
yo ur lane.
Displa ysinthem ultifunction display
The status of cruise control and thes tore ds peed
ar es hown in them ultifunction displa y. Displ
ayintheI nstrument Displa y(color display)
1 Cruise cont roliss elected
2 Setspeed gr ay:s peed is stored, cruise con‐
trol is deactivated
3 Setspeed green: speed is stored, cruise con‐
trol is activated
Sy stem limitations
Cruise control ma ybeunable tomaintain the
st ored speed on uphill gradients. The stored
speed is resumed when theg radient evens out.
On long and steep downhill gradients, yous hould
ch ang edowntoa lowe rgear in good time. Take
particular no teofthis when driving aladen vehi‐
cle. By doing so, youw ill mak euse of the
engine' sbraking ef fect. Thi srelie vest he load on
th eb rake system and pr events theb rake sf rom
ove rheating and wearing tooq uickl y.
Do no tuse cruise control in thef ollowing situa‐
tions:
R In traf fics ituations whe refrequent speed
ch anges ar erequired, e.g. in heavy traf ficor
on winding roads. Drivin
gand parking 141