Dr
ivin g ECO
Assis tfu nct ion EC
OAs sis tanal yzesdat afo rth eve hicle's expec‐
te dro ute. This allowsthesy stem tooptimally
adjus tth edr iving style fo rth ero uteahead, save
fuel andrecup erate. Ifth esy stem detects an
eve ntahead, e.g .a spe edlimit oratraf fic cir cle ,
it wi llap pea ron themultifunc tiondispla y1.
The follo wing symbols canbedispla yed: No
tall event scan bedispla yed, depending onthe
engine type. 1
Event ahead
2 Distance totheeve ntahead
3 "Foo tof fth eacceler ator" prom pt
A differ ent number ofsegment s2 will appear
ar ound thesymbol depending onthedis tance to
th eeve ntahead:
R Fewsegm ents:theev ent ahead isnear .
R Man ysegment s:theev ent ahead isfur ther
aw ay.
When theve hicle nearsth eeve nt,ECOAssi st
cal cul ates theop timal speed formaximu mfuel
econom yand recup erati ve ener gybased onthe
dis tance, speedand downh ill gr ad ient. The Foot off
the Accel erator mes sage will appear onthe
multifu nctiondisplay. Ifth edr iver lifts offth e
acc elerat orpedal ingood time,there maini ng
segments onthedispla ywill turngr een until the
eve ntsho wnisreac hed. Thedrivet ra in will be
se tfo rmaximu mfuel econom y.The vehicle will
coas t,wit hth ecombus tionengine switchedoff
if neces sary,and recup erateon itsownus ing
th eelectr icmo tor.Re cup erati on willch arge the
batt ery.
If th er eis no response totheFoot offthe Accel-
erator prom pt,th esegment swill remain white.
The eventwillbe sho wnfora shor ttime afte rit
has been passed.
If th eeve ntinvo lves ave hicle ahead andwhen
th ecoas t-do wn recomme ndation isgiv en, all
seg ments willimme diat ely turngr een once ther e
is are sponse totheFoot offthe Accelerator
pr om pt.
Fo rAc tiveECO Assistindrive pr og ram ;,
symbo l3 willapp ear onthemultifunc tiondis‐
pla yand ontheHead-up Displaybeside trans‐
mission position 005B.Symbol 3will also appear
when theassis tant displ ayisno tselec ted. 34
Driving and parking
The
ECOAssis tis activ eonl yin drive pr o‐
gr ams ; andA.
Sy stem limita tions
EC OAs sis tcan function mor epr ecis elyif th e
ro uteis main tained when routeguidan ceis
act ive. The basic function isalso available with‐
out active ro uteguidan ce.Notall informat ion
and traffic situ ations canbefore seen. Thequal‐
ity depen dson themap data.
EC OAssis tis onl yan aid. Thedriver isresponsi‐
ble forke eping asaf edis tance totheve hicle in
fr ont, forve hicle speed andforbr aking ingood
time. Thedriver mus tbe ready tobrak eat all
times irre spectiv eof whe ther thesy stem inter‐
ve nes.
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R Ifth er eis poor visibility ,e.g. due toinsuf fi‐
cie ntillu mina tionofthero ad, high lyvariable
shade condition s,or due torain, sno w,fogor
hea vyspr ay.
R Ifth er eis glar e, e.g .fr om oncom ingtraf fic,
di re ct sunli ght orreflect ions. R
Ifth er eis dir ton thewindshield inthevicin‐
ity ofthemultifunc tioncamer aor thecamer a
is fogg ed up, damag edorobscur ed.
R Ifth etra ffic sign sar ehar dto detect, e.g. due
to dir tor sno wor insuf ficie ntlighti ng,or
beca useth ey areco vered.
R Ifth einf ormation onthena vig ation system's
digit almap isincor rect or outof date.
R Ifth esigns areambiguous, e.g.traf fic sig ns
on cons tructi onsites orinad jacent lanes. Di
spla yingEC OAs sis t On-bo
ardcom puter:
, Assistance #
Select ECO Assist. Re
fueli ng Depr
essur izingthefuel tank Re
quirement s:
R Unloc kth eve hicle. %
Donotge tint oth eve hicle again during the
re fuel ingprocess. Other wise,ele ctrostatic
ch arge cou ldbu ild up again.
Obs erve theno teson oper ating fluids
(→ pag e40). #
Pull switch1.
Indicat orlam p2 flashes andthePlease
Wait Depress urizingTankmessag eappear s Dr
iving andparking 35
