As aresult, Dis tance Pilot DISTRONIC may
nei ther give warnings nor inter vene in such
situations.
#Alw ays carefully obser vethe traf fic con‐
ditions and be ready tobrake at all
times.
& WARNING Risk of accident due tolimi‐
te d de tectability of road users and traf fic
situations
Dis tance Pilot DISTRONIC cannot al ways
clear lyidentify other road users and complex
traf fic situations.
In these conditions, Dis tance Pil ot
DISTRONIC may:
RGi ve an unnecessary warning and then
brake theve hicle.
RNeither give a warning nor inter vene.
RAc celerate or brake unexpectedly.
#Continue driving wi thcare and be ready
to brake, particular lyif Dis tance Pilot
DISTRONIC warnsyo u.
&
WARNING Risk of accident due toinsuf‐
fi cient decele ration byDis tance Pilot
DISTRONIC
Dis tance Pilot DISTRONIC brakes your vehi‐
cle with up to50 % of the maximum possible
braking po wer.If th is decele ration is not suf‐
fi cient, Dis tance Pilot DISTRONIC alerts you
with a visual and acoustic warning.
#Apply the brakes yourself inthese situa‐
tions and try totake evasive action.
&
WARNING Risk of accident due toDis‐
ta nce Pilot DISTRONIC still being activa‐
te d when you lea vethe driver's seat
If yo u lea vethe driver's seat while theve hicle
is being braked byDis tance Pilot DISTRONIC
only, it can rollaw ay inthefo llowing situa‐
tions:
RIf th ere is a malfunction in the sy stem or
in the po wer supp ly.
RIf Dis tance Pilot DISTRONIC is deacti va‐
te d with the cruise control le ver,fo r
ex ample byave hicle occupant or from
outside theve hicle.
RIfth e electrics in the engine compart‐
ment, the battery or the fuses are tam‐
pered with.
RIf th e battery is disconnected.
RIfth eve hicle is accelerated, forex ample
by ave hicle occupant.
#Alw ays deactivate Dis tance Pilot
DISTRONIC and secu retheve hicle to
pr eve nt it from rolling away before you
lea vethe driver's seat.
&
WARNING Risk of accident due to
unkno wnstored speed
If yo u call up thestored speed and this is
lo we rth an your cur rent speed, theve hicle
decelerates.
If yo u do not kn owthestored speed, the
ve hicle could decelerate unexpectedl y.
Driving and parking 16
5
#Take into account the tra ffic situation
before calling up thestored speed.
#If th estored speed is not known, store
th e desired speed again.
&
WARNING Risk of accident due tounex‐
pecte d acceleration byDis tance Pilot
DISTRONIC
If Dis tance Pilot DISTRONIC no longer
de tects a vehicle in front, it may unexpect‐
edly accelerate tothe speed stored.
RThis speed may be too high for a turning
lane or an exit lane.
RIf driving in theright lane, this speed may
be so high that you pass vehicles driving
on the left (in count ries where tra ffic
drives on theright).
RIf driving in the left lane, this speed may
be so high that you pass vehicles driving
on theright (in countri es where traffic
drives on the left).
Alw ays carefully obser vethe tra ffic condi‐
tions and be ready tobrake at all times.
&
WARNING Risk of accident due toDis‐
ta nce Pilot DISTRONIC pulling away auto‐
matically
If Dis tance Pilot DISTRONIC pe rforms an
automatic driving-off procedure, theve hicle
may accelerate unexpectedl y.
Where necessar y,brake theve hicle yourself
and take evasive action.
&
WARNING Risk of accident due toSpeed
Limit Pilot adapting theve hicle's speed
The speed adop tedby the Speed Limit Pilot
may be too high or incor rect in some individ‐
ual cases, such as:
RInthewe t or in fog
RWhen towing a trailer
Ensure that the driven speed complies with
traf fic re gulations.
Re quirementsRThe vehicle's engine or must be switched on.
RThe electric parking brake must be released.
RPa rking Pilot is not being used topark the
ve hicle or toexit from a parking space.
RESP®must be switched on, but not inter ven‐
ing.
RThe transmission must be in positionD.
RThe driver door, front passenger door and the
re ar doors must be closed.
RThe engine hood must be closed.
16 6
Driving and pa rking
Activating Steering Pilot
Re quirements
RESP®must be switched on, but not inter ven‐
ing.
RDis tance Pilot DISTRONIC must be activated.
#If indicator lamp1is off: press button 2.
Information on Hill Start Assist
Hill Start Assist holds theve hicle when pulling
aw ay on a hill under thefo llowing conditions:
RThe transmission is in position hork.
RThe elect ric park ing brake is released.
&
WARNING Risk of accident and injury
caused bytheve hicle rolling away
Af ter a short time, Hill Start Assist no longe r
holds theve hicle and it can rollaw ay.
#Therefore, swiftly mo veyour foot from
th e brake pedal tothe accelerator
pedal. Ne ver attem pttolea vetheve hi‐
cle if it is being held byHill Start Assist.
HOLD function
HOLD function
The HOLD function holds theve hicle at a stand‐
st ill without requ iring youto depress the brake
pedal, such as when pulling away on steep
slopes. Sy
stem limits
The incline must not be greaterth an 30%.
Ac tivating/deactivating the HOLD function
&
WARNING Risk of an accident due tothe
HOLD function being active when you
lea vetheve hicle
If yo u lea vetheve hicle while only the HOLD
function is braking theve hicle, theve hicle
can rollaw ay inthefo llowing situations:
RIf th ere is a malfunction in the sy stem or
in the po wer supp ly.
RIf th e HOLD function is deactivated by
depressing the accelera tor pedal or the
brake pedal, e.g. byave hicle occupant.
RIfth e electrics in the engine compart‐
ment, the battery or the fuses are tam‐
pered with.
RIf th e battery is disconnected.
#Alw ays deactivate the HOLD function
and secure theve hicle against rolling
aw ay before leaving theve hicle.
Driving and parking 17
1
*NO
TEDama gefrom au tomatic braking
IfAc tive Brake Assi st, Dis tance Pilot
DISTRONIC or the HOLD function is activa‐
te d, theve hicle brakes automatically in cer‐
ta in situations.
To avo id damage totheve hicle, deactivate
th ese sy stems in thefo llowing or similar sit‐
uations:
#During towing
#In a car wash
RequirementsRThe vehicle is stationar y.
RThe driver's door is closed or the seat belt on
th e driver's side is fastened.
RThe engine is running or has been au tomati‐
cally switched off bythe ECO start/ stop
function.
RThe electric parking brake is released.
RDis tance Pilot DISTRONIC is not acti vated.
RVe hicles with automatic transmission:
The transmission is in position h,kori. Ac
tivating the HOLD function
#Dep ress the brake pedal and af ter a short
time depress fur ther until theë display
appears in the multifunction displa y.
#Release the brake pedal.
Deactivating the HOLD function
#Depress the accelerator pedal topull away.
or
#Depress the brake pedal until theë dis‐
play disappears from the multifunction dis‐
pla y.
The HOLD function is deactivated in thefo llow‐
ing situations:
RIf Dis tance Pilot DISTRONIC has been acti va‐
te d.
RVe hicles with automatic transmission:
When transmission position jis selected.
RWhen theve hicle is secured with the electric
parking brake. In
thefo llowing situations, theve hicle is held by
th e transmission position jorby the electric
parking brake:
RWhen the seat belt is unfas tened and the
driver's door is opened.
RWhen the engine is switched off.
RWhen there is a malfunction in the sy stem or
if th e po wer supp lyis insuf ficient.
AIR BODY CONT ROL
AIR BODY CONT ROL function
AIR BODY CONTROL is an air suspension sy stem
with variable damping for impr oved driving com‐
fo rt. The all-round le vel control sy stem ensures
th e best possible suspension and const ant
ground clea rance, even wi tha laden vehicle.
When driving at speed, theve hicle is lo wered
automatically toimpr ovedriving saf etyand to
re duce fuel consum ption. The option of manually
adjusting theve hicle le vel is also available.
AIR BODY CONTROL comprises:
RAir suspension with variable spring rate
RAu tomatic le vel control sy stem
17 2
Driving and pa rking
#When leavingtheve hicle, make sure
th at nobody is in the vicinity of the
wheel ar ches or the underbody.
Re quirementsRThe vehicle's engine must be switched on.
RThe vehicle must not be moving fasterthan
37 mph (60 km/h). Ra
ising theve hicle
#Press button 1.
Indicato r lamp2lights up.
The vehicle is raised by1 in (25 mm) com‐
pared tothe normal le vel.
Yo ur selection issave d. The
vehicle is lo wered again in thefo llowing sit‐
uations:
RWhen driving fasterthan 62 mph
(100 km/h).
RWhen driving between 50 mph(8 0 km/h)
and 62 mph (100 km/h) for app roxima tely
th re e minutes.
RAf ter selecting a drive program using the
DY NA MIC SELECT switch.
The vehicle is adjus tedto the height of the last
active drive program.
Lo weri ngtheve hicle
#Press button 1.
Indicato r lamp2goes out. The vehicle is
adjus tedto the height of the last active drive
program.
Driving and parking 17
5
System limitations
Pa rking Assist PARKTRONI Cdoes no tnecessa‐
ri ly take into account thefo llowing obs tacles:
RObs tacles bel ow the detection range, e.g.
pe rsons, animals or objects.
RObs tacles ab oveth e de tection range, e.g.
ove rhanging loads, overhangs or loading
ra mp s of truc ks.
The sensors must be free of dirt, ice and slush.
Otherwise, they may not function cor rectly.
Clean the sensors regularly, taking care not to
scratch or damage them.
Ve hicles with trailer hitch: Parking Assist
PA RKTRONI Cis deacti vatedfo rth ere ar zone
when you es tablish an elect rical connection
between your vehicle and a trailer.
Pa ssive side impact pr otection
Pa ssive side impact pr otection is an additional
Pa rking Assist PARKTRONI Cfunction whic h
wa rnsth e driver about obs tacles at the side of
th eve hicle. A warning is issued when obs tacles
are de tected between the front and rear de tec‐
tion range. In order for an object tobe de tected, th
e sensors in the front and rear bumper must
de tect the object while you are dr iving past it.
During the parking procedure or maneuvering,
objects are de tected as theve hicle drives past.
If yo usteer in the direction of a de te
cte
d obs ta‐
cle and there is a risk of a lateral collision, a
wa rning is issued. The lateral segments light up
orange or red, depending on the dis tance tothe
obs tacle.
Color Lateral distance in cm
Re d< 30
Orang e3 0 - 60
In orderfor lateral front or rear segments tobe
displa yed, theve hicle must firs t tr ave l a dis tance
of at least half of theve hicle length. Once the
ve hicle has tr aveled the length of theve hicle, all
of the lateral front and rear segments can be dis‐
pla yed.
1Pa rking Assist PARKTRONI Cis on ly oper a‐
tional in the front and rear
2Pa rking Assist PARKTRONI Cis operational
and can also warnthe driver about obs tacles
at the side of theve hicle
3Obs tacle de tected at the front right (orange)
and rear (red)
When youswit choff the ignition, thestored
obs tacles are del eted. Af terth e engine is restar‐
te d, obs tacles must be de tected again, before a
new warning can be issued.
Driving and parking 17
7
ATTENTION ASSIST is only an aid. It cann ot
alw ays de tect fatigue or lapses in concentration
until too late. The sy stem is not a substitute for a
we ll-res ted and attentive driver. On long jour‐
ne ys,tak ere gular breaks in good time that allow
fo r ade quate recuperation.
Yo u can choose between two settings.
RStandard: normal sy stem sensitivity
RSensitive: higher system sensitivity. The
driver is warned earlier and the attention
le ve l de tected byATTENTION ASSIST is adap‐
te d accordingly.
If dr owsiness or inc reasing lapses in concentra‐
tion are de tected, the $ 7 7 ( 1 7 , 2 1 $ 6 6 , 6 7 7 D N H
D % U H D N warning appears in the Instrument Dis‐
pla y.Yo u can ackn owledge the message and
ta ke a break where necessar y.Ifyo udo not take
a break and ATTENTION ASSIST continues to
de tect increasing lapses in concentration, you
will be warned again af ter a minimum of
15 minutes.
You can ha vethefo llowing status information for
AT TENTION ASSIST displa yed in the assis tance
menu of the on-board computer:
RThe length of the journey since the last
break.
RThe attention le vel de term ined byATTENTION
ASSIS T.
if AT TENTION ASSIST is unable tocalculate the
attention le vel and cannot issue a warning, the
6 \ V W H P 6 X V S H Q G H G messageappears.
If a warning is given in the Instrument Displa y,
th e multimedia sy stem of fers to sear chfor a rest
area. You can select a rest area and start naviga‐ tion
tothis rest area. This function can be activa‐
te d and deactivated in the multimedia sy stem.
If AT TENTION ASSIST is deactivated, theé
symbol appears in the assis tance graphic in the
Instrument Display when the engine is running.
AT TENTION ASSIST is activated automatically
when the engine is re-sta rted. The last selected
sensitivity le velre mains stored.
Sy stem limitations
AT TENTION ASSIST is active in the37 mph
(60 km/h) to124mp h (200 km/h) speed range.
The functionality of ATTENTION ASSIST is
re stricted, and warnings may be dela yed or not
occur at all in thefo llowing situations:RIf yo u ha vebeen driving for less than 30
minutes.
RIf th ero ad condition is poor (une venro ad
sur face or po tholes).
RIfth ere is a strong side wind.
RIfyo u adopt a sporty driving style (high cor‐
nering speeds or high rates of acceleration).
RIfth eSt eering Pilot function of Dis tance Pilot
DISTRONIC is acti ve.
19 0
Driving and pa rking
RIfth e time has been set incor rectly.
RIn acti vedriving situations, if youch ange
lanes and vary your speed frequentl y.
The ATTENTION ASSIST tiredness or alertness
assessment is dele ted and restar ted when con‐
tinuing the journey in thefo llowing situations:
RIf yo uswit choff the engine.
RIfyo u unfas tenyo ur seat beltand open the
driver's door (e.g. change drivers or take a
break).
Ac tivating/deactivating ATTENTION ASSIST
Multimedia sy stem:
, 9 H K L F O H.k $ V V L V W D Q F H. $ 7 7 ( 1
7 , 2 1 $ 6 6 , 6 7
Selection options
#Select 6 W D Q G D U G, 6 H Q V L W L Y Hor 2 I I.
Traf fic Sign Assist
Fu nction of Traf fic Sign Assist
Tr af fic Sign Assist detects traf fic signs wi thmul‐
tifunction camera 1and assist syo uby display‐
ing de tected speed limits and overtaking restric‐
tions in the instrument clus ter.The camera also
de tects traf fic signs wi thare striction indicated
by an additional sign (e.g. in wet conditions). Wa
rning when the maximum permissible
speed is exceeded
The sy stem can warnyou if you unin tentional ly
exc eed the maximum permissible speed. Todo
th is, you can specify in the multimedia sy stem
by how much the maximum permissible speed
can be exceeded before a warning is issued. You
can specify whe ther thewa rning is tobe just a
visual warning or an acoustic one as well.
Display in the Instrument Display
1Pe rm issible speed
2Perm issible speed when there is a restriction
3Ad ditional sign with restriction
Driving and park ing19
1