R
ETS/4ETS traction control is still active.
% Even when ESP ®
is deactivated, you are still
assis tedby ESP ®
when braking.
ESP ®
is inter vening if the ESP ®
÷ warning
lamp flashes in the instrument clus ter:
R Do not deacti vate ESP ®
.
R Only depress the accelera tor pedal as far as
is necessar y.
R Adapt your driving style to suit the cur rent
ro ad and weather conditions.
Deactivate ESP ®
in thefo llowing situations to
impr ovetraction:
R When using snow chains R
In deep sn ow
R On sand or gr avel
% Spinning the wheels results in a cutting
action which pr ovides better grip.
ESP ®
is deactivated if theå ESP®
OFF warn‐
ing lamp lights up continuously in the instrument
clus ter.
If th e ESP ®
÷ warning lamp lights up continu‐
ousl y,ESP ®
is not available due toa malfunction.
Obse rve any information which may be displa yed
in the instrument clus ter:
R Warning and indicator lamps (→ page 493)
R Display messages (→ page 437) ETS/4ETS (Electronic
Traction Sy stem)
ETS/4E TStraction control is pa rtof ESP ®
.
ETS/4ETS can impr ovetheve hicle's traction by
inter vening in thefo llowing ways:
R The drive wheels are braked individually if
they spin.
R More drive torque is transferred tothe wheel
or wheels with traction.
Influence of drive prog rams on ESP ®
The drive prog rams enable ESP ®
to adapt todif‐
fe re nt we ather and road conditions as well as
th e driver's prefer red driving style. You can
select the drive prog rams using theDY NA MIC
SELECT switch. 18 2
Driving and pa rking
Ac
tivating/deactivating ESP ®
(Electronic Sta‐
bility Prog ram) Multimedia sy
stem:
, Vehicle .
k Assistance .
ESP #
Activate Oor deacti vate ª the function.
ESP ®
is deactivated if the ESP ®
OFF å warn‐
ing lamp lights up continuously in the instrument
clus ter.
Obser vethe information on warning lamps and
display messages which may be shown in the
instrument clus ter. Fu
nctions of ESP ®
Crosswind Assist ESP
®
Crosswind Assist de tects sudden gu sts of
side wind and helps the driver tokeep theve hi‐
cle in the lane:
R ESP ®
Crosswind Assist is active at vehicle
speeds between 80 km/h and 200 km/h
when driving stra ight ahead or cornering
slight ly. R
The vehicle is stabilised bymeans of individ‐
ual brake application on one side. Fu
nctions of ESP ®
trailer stabilisation &
WARNING Risk of accident in poor road
and weather conditions
In poor road and weather conditions, the
trailer stabilisation cannot pr event lu rching of
th eve hicle/trailer combination. Trailers with
a high centre of grav ity may tip over before
ESP ®
de tects this. #
Alw ays adapt your driving style to suit
th e cur rent road and weather condi‐
tions. When driving with a trailer, ESP
®
can stabilise
yo ur vehicle if the trailer begins tosw ay from
side toside:
R ESP ®
trailer stabilisation is active abo ve
speeds of 65 km/h. R
Slight sw aying is reduced bymeans of a tar‐
ge ted, individual brake application on one
side.
R Intheeve nt of intense sw aying, the engine
output is also reduced and all wheels are
braked.
ESP ®
trailer stabilisation may be impaired or
may not function if:
R The trailer is not connec ted cor rectly or is
not de tected prope rly by theve hicle. Fu
nction of EBD (Electronic Brake forc e Dis‐
tribution) EBD is
characterised bythefo llowing:
R Monitoring and regulating the brake pressure
on there ar wheels.
R Impr oved driving stability when braking,
especially on bends. 184
Driving and pa rking
Fu
nction of Active Brake Assi st Ac
tive Brake Assi stconsi sts of:
R Distance warning function
R Autonomous braking function
R Situation-dependent braking assi stance
R Vehicles with the Driving Assistance
pa ckage: Evasi veSteering Assist
Ac tive Brake Assi stcan help youto minimise the
ri sk of a collision with vehicles or pedestrians or
to reduce the ef fects of su cha collision.
If Ac tive Brake Assi sthas de tected a risk of colli‐
sion, you will be warned visually and acousti‐
cally.
If yo u do not react tothe visual or acoustic warn‐
ing, autonomous braking can be initiated in criti‐
cal situations.
In especially critical situations, Active Brake
Assi stcan initia teautonomous braking direct ly.
In this case, the visual and acoustic warning
occurs simultaneously with the braking applica‐
tion. If
yo u apply the brake yourself in a critical situa‐
tion or apply the brake during autonomous brak‐
ing, situation-dependent braking assis tance
occu rs. This increases the brake pressure up to
maximum full-s top braking if necessar y.
If th e autonomous braking function or the situa‐
tion-dependent braking assis tance is trig gered,
additional pr eventive measures for occupant
pr otection (PRE-SAFE ®
) may also be initiated, if
th eve hicle is equipped with these. &
WARNING Risk of an accident caused by
limited de tection per form ance of Active
Brake Assi st
Ac tive Brake Assi stcannot al ways clearly
identify objects and compl extraf fic situa‐
tions.
In su chcases, Active Brake Assi stmight:
R give an unnecessa rywa rning or brake the
ve hicle
R not give a warning or not brake theve hi‐
cle. #
Alw ays pay careful attention tothe traf‐
fi c situation; do not rely on Active Brake
Assi stalone. #
Beready tobrake and take evasive
action if necessar y. Also obser
vethe sy stem limits of Active Brake
Assi st.
The individual subfunctions are available in
th efo llowing speed ranges:
Distance warning function
The dis tance warning function issues a warning
at speeds:
R From appr oximately 30 km/h, if over se veral
seconds the dis tance maintained totheve hi‐
cle tr avelling in front is insuf ficient forthe
driven speed. The dis tancewarning lamp
th en lights up in the instrument clus ter·.
R From appr oximately 7 km/h, if your vehicle
is critically close toave hicle or pedestrian.
An intermittent warning tone sounds and the
dis tance warning lamp lights up in the instru‐
ment clus ter·. Driving and parking
18 5
Cancelling a brake application of
Active
Brake Assi st
Yo u can cancel a brake application of Active
Brake Assi stat any time by:
R Dep ressing the accelera tor pedal fully.
R Releasing the brake pedal.
Ac tive Brake Assi stcancels the inter vention
when at least one of thefo llowing conditions is
fulfilled:
R You manoeuv retoavoid the obs tacle.
R The reis no longer a risk of collision.
R An obs tacle is no longer de tected in front of
yo ur vehicle.
Evasive Steering Assist
Evasive Steering Assist has thefo llowing charac‐
te rist ics:
R Can de tect stationary or crossing pedes‐
trians.
R Can assist the driver with additional steering
assis tance if it de tects a swerving manoeu‐
vre. R
Can be acti vatedby an abrupt steering mo ve‐
ment during a swerving manoeuvre.
R Can assi stduring swerving and stra ightening
of theve hicle.
R Can react from a speed of appr oximately
20 km/h up toa speed of appr oximately
70 km/h.
R You can pr eventthe assis tance at any time
by active steering. &
WARNING Risk of an accident despi te
Evasive Steering Assist
Evasive Steering Assist cann otalw ays clear ly
identify objects and complex traf fic situa‐
tions.
In addition, thesteering support of Evasive
St eering Assist is generally not su fficient to
av oid a collision.
In such cases Evasive Steering Assist can:
R give an unnecessary warning or pr ovide
assis tance
R not gi veawa rning or not pr ovide assis‐
ta nce #
Alw ays pay careful attention tothe traf‐
fi c situation; do not rely on Ev asive
St eering Assist alone. #
Beready tobrake and take evasive
action, if necessar y. #
Preve ntthe assis tance byactively steer‐
ing in non-critical driving situations. #
Drive at an appropriate speed if pedes‐
trians are close tothe path of your vehi‐
cle. Also obser
vethe sy stem limits of Evasive Steer‐
ing Assist.
Sy stem limits
Ac tive Brake Assi stmay be impaire d or may not
function in thefo llowing situations:
R In sno w,rain, fog, heavy spr ay, if there is
gl are, in direct sunlight or in great lyvarying
light conditions.
R Ifth e sensors are dirty, mis ted up, damaged
or co vered. 18 8
Driving and pa rking
Fu
nction of Adaptive Brake Lights Ad
aptive Brake Lights warnfollowing traf fic in an
emergency braking situation:
R byflashing brake lamps
R byactivating the hazard warning lights
Ad aptive Brake Lights ha vethefo llowing charac‐
te rist ics:
R Ifyo u brake sharply at a speed abo ve
50 km/h, or if braking is assi sted byBAS or
Ac tive Brake Assi st,th e brake lamps flash
ra pidl y.This pr ovides traf fic tr ave lling behind
yo u with an even more noticeable warning.
R Ifyo u brake sharply toast andstill from a
speed abo ve70 km/h, the hazard warning
lights are activated automatically once the
ve hicle is stationar y.The brake lamps light
up again cons tantly when you depress the
brake pedal. The hazard warning lights
switch off automatically when you drive
fast erthan 10 km/h. You can also swit choff
th e hazard warning lights using the hazard
wa rning button. The
vehicle is braked considerably when moving
fast erthan 50 km/h:
R Brake Assist Sy stem (BAS) and Active Brake
Assi stsupport you during braking.
R Brake Assist activates theAd aptive Brake
Lights.
R The brake lamps flash rapidl y. Cruise control and limiter
Fu
nction of cruise control
Cruise cont rol accelerates and brakes theve hi‐
cle automatically in order tomaintain a pr evi‐
ously stored speed.
If yo u accelerate toove rtake, forex ample, the
st ored speed is not dele ted. If youre mo veyour
fo ot from the accelera tor pedal af terov ertaking,
cruise control will resume speed regulation back
to thestored speed.
Yo u can operate cruise cont rol with the cruise
control le ver.
If yo ufa ilto adapt your driving style, cruise con‐
trol can neither reduce therisk of an accident
nor override the la wsof ph ysics. It cannot take into account
road, weather or traf fic conditions.
Cruise control is only an aid. You are responsible
fo rth e dis tance totheve hicle in front, forve hi‐
cle speed, for braking in good time and forst ay‐
ing in lane.
Sy stem limitations
Cruise control may be unable tomaintain the
st ored speed on uphill gradients. The stored
speed is resumed when the gradient evens out.
Do not use cruise control in thefo llowing situa‐
tions:
R in traf fic situations whi chrequ ire frequent
ch anges of speed, e.g. in heavy traf fic, on
winding roads
R on slippe ryroads. Accelerating can cause
th e drive wheels tolose traction and the
ve hicle could then skid
R when visibility is poor
Fu nction of the limi ter
The limiter restricts the speed of theve hicle. To
re duce the speed swiftly tothe set speed, the
limiter applies the brakes automatically. 19 0
Driving and pa rking
%
Onvehicles with a segment display in the
speedome ter,th e segments extending from
th e cur rent stored speed tothe end of the
scale light up. If you ha veactivated the per‐
manent limiter and a speed is stored, the
segments extending up tothestored speed
light up.
% Ifyo u per form a kickdown, theva riable lim‐
iter is swit ched topassive mode. The varia‐
ble limiter is operational again once the
speed drops below thestored speed.
% Ifyo u brake, deactivate ESP ®
or if ESP ®
inter venes, cruise control is deacti vated. The
va riable limiter is not deactivated.
When you swit choff theve hicle, the last
speed stored is cleared.
Pe rm anent limi ter
If yo u wish tolimit the speed permanently to a
specific value (e.g. for driving on winter tyres),
yo u can set this speed with the permanent lim‐
iter.
Yo u do this by limiting the speed toava lue
between 160 km/h and 240 km/h in the multi‐
media sy stem (→ page193). Shortly before
the set speed is reached, it
appears in the multifunction displa y.When you
confirm the message with %, display mes‐
sages no longer appear until you swit choff the
ve hicle. The speed will only be displa yed again
once theve hicle has been restar ted.
The permanent limiter does not switch topas‐
sive mode even du ring kickdown and the driven
speed remains below the set speed.
Setting the speed limit for winter tyres
Multimedia sy stem:
, Vehicle .
î Vehicle settings .
Win-
ter tyres limit #
Select the speed or deactivate the function. Distance Pilot DISTRONIC
Fu
nction of Distance Pilot DISTRONIC
Dis tance Pilot DISTRONIC:
R Maintains the set speed and accelerates or
decelerates theve hicle if the dis tance from
th eve hicle in front permits. R
Assists you in main taining the dis tance from
th eve hicle in front and can bring your vehi‐
cle toast andstill if necessar y.
R Brakes your vehicle with up to50 % of the
maximum possible braking po wer.If greater
decele ration pe rformance is requ ired, a vis‐
ual and acoustic warning is given and you
must then inter vene yourself.
R Vehicles with Driving Assistance Pack‐
age, Parking Pilot and COMAND Online:
When driving in stop-s tart traf fic, the driver is
suppor tedby an extended, au tomatic restart
in traf fic jams.
R Vehicles with Driving Assistance Pack‐
age: Responds in urban speed ranges tosta‐
tionary vehicles (e xcept bicycles, mo torcy‐
cles and pede strians) if conditions are suf fi‐
cient toenable de tection.
If yo ufa ilto adapt your driving style, Dis tance
Pilot DISTRONIC can nei ther reduce therisk of
an accident nor override the la wsof ph ysics.
Dis tance Pilot DISTRONIC cannot take into
account road, weather or traf fic conditions. Dis‐
ta nce Pilot DISTRONIC is only an aid. You are Driving and parking
19 3
or
#
Accelerate brie fly.
Yo ur vehicle pulls away and adapts its speed
to that of theve hicle in front. If no vehicle is
de tected in front, your vehicle accelerates to
th e set speed.
Ad opting the speed limit as thesto red speed
Re quirements:
R Speed Limit Pilot is activated in the multime‐
dia sy stem (→ page 231).
R Distance Pilot DISTRONIC is acti vated.
R The sy stem de tects a traf fic sign indicating a
speed limit. #
Brie fly pull the cruise control le verto wa rds
yo u3.
The displ ayed speed limit is adop ted as the
st ored speed. Your vehicle adapts its speed
to that of theve hicle in front, but only up to
th estored speed. If Speed Limit Pilot is acti‐
va ted, any de tected changes in the speed
limit are adop tedby the sy stem. Collision
warning
If Dis tance Pilot DISTRONIC is unable tosuf fi‐
ciently decele rate theve hicle in order topreve nt
it from approa ching theve hicle in front, you will
be warned visually and acousticall y.An intermit‐
te nt wa rning tone will then sound and the dis‐
ta nce warning lamp will light up in the instru‐
ment clus ter. #
Brake immediately in order toinc rease the
dis tance from theve hicle in front.
or #
Take evasive action pr ovided it is safe todo
so. Fu
nction of DRIVE PIL OT The DRIVE PI
LOT function is available only
on vehicles with the Driving Assistance
pa ckage.
DRIVE PIL OTincludes thefo llowing driving and
driving saf ety sy stems:
R Steering Pilot with Active Lane Change Assi st
( → page 200)
R Distance Pilot DISTRONIC (→ page 193) R
Speed Limit Pilot (→ page 193) Ste
ering Pilot Fu
nction of Steering Pilot
Ste ering Pilot is only available forve hicles
with the Driving Assistance Package.
R Steering Pilot is operational at speeds up to
21 0 km/h and helps youto stay inthe cent re
of the lane bymeans of moderate steering
inter ventions.
R It uses as a refere nce theve hicle in front or
th e lane markings, depending on the driven
speed.
R Steering Pilot requ ires you as the driver, to
ke ep your hands on thesteering wheel at all
times so that you are able tointer vene at any
time tocor rect the course of theve hicle and
ke ep it in lane.
R Steering Pilot can be overridden at any time
by steering theve hicle yourself.
R Ifth e sy stem de tects that there are no lane
markings, it uses theve hicle ahead as a ref‐
erence up toa speed of 130 km/h. 200
Driving and parking
Setting
theve hicle le vel &
WARNING Risk of accident because
ve hicle le vel is too high
If yo u drive at a higher vehicle le vel,th e driv‐
ing characteristics may be impaired due to
th e higher vehicle centre of gravity.
The vehicle may tip over more quickly on a
bend, forex ample. #
Alw ays select as low a vehicle le vel as
possible and adapt your driving style
accordin gly. &
WARNING Risk of entrapment from vehi‐
cle lo wering
When lo wering theve hicle, other people
could become trapped if their limbs are
between theve hicle body and the tyres or
underneath theve hicle. #
Make sure no one is underneath the
ve hicle or in the immediate vicinity of
th e wheel ar ches when you lo werthe
ve hicle. &
WARNING Risk of entrapment from vehi‐
cle lo wering
Ve hicles with AIR BODY CONT ROL or
le ve l control sy stem: When you unload lug‐
ga ge or lea vetheve hicle, theve hicle first
ri ses slightly and then returns tothe set le vel
shortly af terw ards.
Yo u or an yone else in the vicinity of the
wheel ar ches or the underbody could thus
become trapped.
The vehicle can also be lo wered af ter being
loc ked. #
When leaving theve hicle, make sure
th at nobody is in the vicinity of the
wheel ar ches or the underbody. Re
quirements:
R The vehicle's engine must be switched on.
R The vehicle must not be moving fasterthan
60 km/h. Ra
ising theve hicle #
Press button 1.
Indica tor lamp 2lights up.
The vehicle is raised by25 mm compared to
th e normal le vel.
Yo ur selection is sa ved. Driving and parking
207