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suppor te dbye xtende da ut omatic re -s ta rt in
traf fi cj ams.R
Ve hicles with Drivin gA ssistanc eP ack‐
age: Re sponds to st ationar yv ehicles in
urban speed ra nges (e xc ep tb icycles, mo to r‐
cycles and pede st ri ans )ifc ondition sa re suf‐
fi cient to enable de te ction.
If yo uf ail to adap ty our driving st yl e, Ac tiv eD is‐
ta nce Assi st DISTRONI Cc an nei th er re duce th e
ri sk of an accident nor ove rr ide th el aws of ph ys ‐
ics. It canno tt ak ei nt oa ccount ro ad, we ather or
traf fi cc onditions .A ctiv eD is ta nce Assi st
DISTRONI Ci so nly an aid. Yo ua re re sponsible
fo rt he dis ta nce to th ev ehicle in front, fo rv ehi‐
cle speed, fo rb ra king in good time and fo rs ta y‐
ing in lane.
If all activation condition sa re met, yo uc an act i‐
va te Ac tiv eD is ta nce Assi st DISTRONI Cd urin ga
jou rn ey or while st ationar y. When Ac tiv eD is‐
ta nce Assi st DISTRONI Ci sa cti va te d, as peed is
st ored whic ht he driver can increase or re duce
at an yt ime. The speed can be adjus te db et we en
15 mp h( 20 km/h) and 12 0m ph (200 km/h). Ve hicles with th eD ri ving Assistance Pa ck ‐
age: The spee dc an be adju st ed between
15 mp h( 20 km/h) and 13 0m ph (2 10 km/h).
Ve hicles with Drivin gA ssistanc eP ac ka ge ,
Ac tiv eP arkin gA ssis ta nd COMAND: Up to 30
seconds af te rs to pping, th ev ehicle automatically
fo llo ws th ev ehicle ahead without th ei n t
er ve n‐
tio noft he driver .T his is onl yp ossible if th ev ehi‐
cle is tr ave ling on am oto rw ay or ah igh-speed
major ro ad. If an obs ta cle is de te cted in front of
th ev ehicle during th ed ri ving-of fp ro cedure, a
ta ke ove rw arning is given. Ac celeration is
re duced, th ed ri ve risg iven av isual and acoustic
wa rn ing and mus ts to pt he ve hicle befor er each‐
ing th eo bs ta cle or tak ee va siv ea ction.
Ve hicles with th eD ri ving Assistance Pa ck ‐
age: In conjunction wit hn av igatio ns ys te ms,
Ac tiv eD is ta nce Assi st DISTRONI Cp re ve nts pro‐
hibi te do ve rt akin gont he ri ght at speeds ove r
50 mp h( 80 km/h) in ri ght-hand traf fi ca nd ov er‐
ta king on th el ef tinl eft-hand traf fi conf re ew ay s
and high-speed majo rr oads.
If yo ua ct iv at et he tur ns ignal indicator to ch ange
lanes, th ev ehicle will accelerat em or eb ri skly to
th es et speed under th ef ollowing conditions: R
Ac tiv eD is ta nce Assi st DISTRONI Cisa cti va ‐
te d. R
If th ed ri ving speed is higher th an 45 mp h
(70 km/h). R
If th ed ri ve ns peed drops belo wt he st ored
speed. R
The sy st em cann ot de te ct av ehicle in th er el‐
ev ant area of th eo ve rt aking lane.
Ve hicles with Drivin gA ssistanc eP ac ka ge
and Tr af fi cS ign Assis t: Ac tiv eD is ta nce Assi st
DISTRONI Ca ls oh as th eA ctiv eS peed Limit
As s i st function. This function can be configu re d
in th em ultimedia sy st em. If ac hang eint he
speed limit is de te cted and Ac tiv eD is ta nce
Assi st DISTRONI Cisa cti va te d, Ac tiv eD is ta nce
Assi st DISTRONI Ca ssum es th is ne ws peed.
The driven speed is adap te dw hen th ev ehicle is
le ve lw it ht he tra ff ic signs. The speed limit dis‐
pla yint he Instrument Displa yisa lw ay su pda te d
when th ev ehicle is le ve lw it ht he tra ff ic sign.
If Ac tiv eD is ta nce Assi st DISTRONI Ch as been
pu ti nt op as si ve mode by pressing th ea ccelera‐Driving and parking 16 7
Page 170 of 498

to rp edal, onl ys pee dl imits whi ch ar eh igher
th an th es et speed ar ea dop te d.
Pulling th ec ru ise control le ve rw il ls et th ed is‐
pla ye ds peed limit as th es peed, pr ov ided th at:R
Ac tiv eS peed Limi tA ssi st has been activated
in th em ultimedia sy st em andR
Ac tiv eD is tan ce Assi st DISTRONI Ch as been
acti va te d.
If no speed limit is displa ye dw hen th el eve ri s
operated, th es peed se tbyt he driver is adop te d.
Driv ep ro gr am
The DY NA MIC SELECT switc ha llo ws yo ut o
ch ang et he driving st yl eofA ctiv eD is ta nce
Assi st DISTRONIC. Depending on whic hd ri ve
program is selected ,t he driving ch aracteristics
can be ge ared to wa rd sf uel econom y, comfor to r
dynami cp er fo rm anc e( →
pag e1 42).
Sy st em limitations
Ve hicles with th eD ri ving Assistance Pa ck ‐
age: Ac tiv eD is ta nce Assi st DISTRONI Ci sa cti ve
in th e0m ph (0 km/h) to 13 0m ph (2 10 km/h)
speed ra nge. The sy st em ma ybei mp aired or ma yn ot function
in th ef ollowing ins ta nces, fo re xamp le:R
In sn ow ,r ain, fo g, heavy spr ay ,ift her ei s
gl are, in direct sunlight or in great ly va ry ing
light conditions. R
The windshield in th ea re aoft he camer ai s
dirty ,m is te du p, damaged or co ve re d.R
If th er adar senso rs ar ed irty or co ve re d.R
On slipper yr oads, braking or accelerating
can cause th ed ri ve wheels to lose tr action
and th ev ehicle could th en skid.R
In parking ga ra ge s, to ll st ations or on ro ads
wit hs te ep uphill or downhill gradients.
Do no tu se Ac tiv eD is ta nce Assi st DISTRONI Ci n
th ese situations.
Tips
Pa yp articula ra ttention in th ef ollowing traf fi c
situations. In suc hs ituations, brak eifn ecessar y.
Ac tiv eD is ta nce Assi st DISTRONI Ci st hen deacti‐
va te d: R
When cornering, entering and ex itin gab end.R
When no td ri vin gint he center of th el ane. R
When ot her ve hicles ar ec hanging lane. R
If th er ea re nar ro wv ehicles. R
If th er ea re obs ta cle sa nd st ationar yv ehi‐
cles. R
If th er ea re crossing ve hicles, pedestrians,
mo to rc yc lists or cyclists.
Displa yofA cti ve Di st ance Assis tD IS TRONIC
in the assistanc eg ra phic and in th es peed‐
ome te r
1
Ve hicle ahead
2
Dis ta nce indica to r16 8
Driving and pa rk ing
Page 171 of 498

3
Se ts pecifie dd is ta nce4
Yo ur ve hicle
1
Speed of ve hicle ahead
2
St ored speed
Displa ys in th em ul tifunction display
When activatin gA ctiv eD is ta nce Assi st
DISTRONI Co rw he nc hanging th es to re ds peed,
th en ew st ored speed is shown fo ra ro und fi ve
seconds in th em ultifunction display ç
50 mp h( 70 km/h).
When Ac tiv eD is ta nce Assi st DISTRONI Ci s
acti ve ,t he se ts to re ds peed is displa ye dn ex tt o th e ç symbol. When dis tan ce control is
acti ve ,t he symbol is shown in green.
Ve hicles with th eD ri ving Assistance Pa ck ‐
age: On free wa ys or high-speed major ro ads th e
ç symbol is displa ye dc yc licall yw hen th e
ve hicle is re ady to pull aw ay .
Ve hicles with Ac tiv eS peed Limit Assi st : If a
spee dl im it is au to matical ly adop te d, th is is
shown as th es to re ds peed wit ht he ê sym‐
bol.
Operating Ac tiv eD ista nce Assis tD IS TRONIC
q
WA RNING Risk of accident if de te ction
function of Ac tiv eD is ta nce Assi st
DISTRONI Ci si mpai re d
Ac tiv eD is ta nce Assi st DISTRONI Cd oe sn ot
re act: R
To people or animals. R
To st ationar yo bstacles on th er oad, e.g.
st opped or par ke dv ehicles (vehicles with‐
out th eD ri ving Assis ta nce Pa ck age). R
To st ationar yo bstacles on th er oad, e.g.
st opped or par ke dv ehicles, if conditions
ar en ot suf fi cient to enable de te ction
(vehicle sw it ht he Driving Assis ta nce
Pa ck age). R
To oncoming ve hicles and crossing traf‐
fi c.
Ac tiv eD is ta nce Assi st DISTRONI Cc an nei‐
th er giv ew arning sn or inter ve ne in su ch sit‐
uations.
Page 172 of 498
In th ese conditions ,A ctiv eD is ta nce Assi st
DISTRONI Cm ay :R
Gi ve an unnecessar yw arning and th en
brak et he ve hicle.R
Neither giv eaw arning nor inter ve ne.R
Ac celerat eorb ra ke unexpectedly.
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