
Overview of climate control sy
stems THERM
ATIC cont rol panel overview The indicator lamps in
the buttons indicate that
th e cur rent function is acti vated. 1
w Toset the driver's side temp erature
2 _ Toset the air distribution 3
H Toset the air flow or switch off climate
control
4 Ã Toset climate contro lto automatic
mode (→ page131)
5 ¬ Todemist the windscreen
6 Vehicles without a stationary heater: t
to call up the air conditioning menu
Ve hicles with a stationary heater: !to
call up the air conditioning menu, toswitch
th ere sidual heat on/off (→ page132)
7 ¤ Toswitch there ar wind owheater
on/off
8 Vehicles without a stationary heater: 0
to switch the synchronisation on/off
(→ page 131)
Ve hicles with a stationary heater: &to
switch thest ationary heater on/off
(→ page 134)
9 g Toswitch air-recirculation mode on/off
(→ page 132)
A ¿ Toswitch the A/C function on/off
(→ page 130)
B w Toset the front passenger side tem‐
perature THERMOTRONIC control panel
overview The indicator lamps in
the buttons indicate that
th e cur rent function is acti vated. 1
w Toset the driver's side temp erature
2 _ Toset the driver's side air distribution
3 H Toset the air flow or switch off climate
control Climate cont
rol12 9

4
à Toset climate contro lto automatic
mode (→ page131)
5 ¬ Todemist the windscreen
6 ! Tocall up the air conditioning menu
To switch there sidual heat on/off
(→ page 132)
7 ¤ Toswitch there ar wind owheater
on/off
8 Vehicles without a stationary heater:
¿ toswitch the A/C function on/off
(→ page 130)
Ve hicles with a stationary heater: &to
switch thest ationary heater on/off
(→ page 134)
9 g Toswitch air-recirculation mode on/off
(→ page 132)
A _ Toset the front passenger side air dis‐
tribution
B w Toset the front passenger side tem‐
perature
Re ar operating unit
Yo u can set thete mp erature forth e entire rear
compartment using buttons 1or3. 1
Toset thete mp erature
2 Display
3 Toset thete mp erature Operating
the clima tecont rol sy stem Switching clima
tecont rol on/off #
Toswitch on: setthe air flow toleve l 1 or
higher using theH button. #
Toswitch off: setthe air flow toleve l 0 using
th eH button. %
When the climate control is switched off, the
windo wscan mist up faster. Only switch off
th e climate control brief ly. Ac
tivating/deactivating the A/C function via
the control panel The A/C function cools, heats and dehumidifies
th
e interior air in theve hicle. #
Press button ¿.
Deactivate the A/C function only briefly other‐
wise the windo wscan mist up more quickl y.
Condensation may drip from the underside of
th eve hicle when cooling mode is active. This is
not a sign that there is a malfunction. Ac
tivating/deactivating the A/C function
using the multimedia sy stem Multimedia sy
stem:
, Vehicle .
b Climate control .
A/C
The A/C function heats, cools and dehumidifies
th eve hicle's interior air. 13 0
Climate cont rol

#
Open a window on the side of theve hi‐
cle facing the wind toensure an ade‐
qu ate supply of fresh air. &
WARNING Risk of accident due tothe
brake sy stem overheating
If yo u lea veyour foot on the brake pedal
when driving, the brake sy stem may over‐
heat.
This increases the braking dis tance and the
brake sy stem may evenfa il. #
Never use the brake pedal as a foot re st. #
Do not depress the brake pedal and the
accelerator pedal at the same time
while driving. *
NO
TECausing wearto the brake linings
by permanently depressing the brake
pedal #
Do not permanently depress the brake
pedal while driving. #
Touse braking ef fect of the engine,
shift toa lo werge ar in good time. *
NO
TEDama getothe driv etra in and
engine when pulling away #
Do not warm upthe engine when sta‐
tionar y.Pull away immediatel y. #
Avoid high engine speeds and full thro t‐
tle until the engine has reached its
operating temp erature. #
Do not allow the wheels tospin. *
NO
TEDama getothe catalytic con verter
due tonon-combu sted fuel The engine is not
running smo othly and is
misfiring.
Non-combus ted fuel may get into the cata‐
lytic con verter. #
Only depress the accelera tor pedal
slightl y. #
Have the cause rectified immediately at
a qu alified specialist workshop. Limited braking ef
fect on salt-trea tedro ads:
R due tosalt build-up on the brake discs and
brake lining, the braking dis tance can
increase conside rably or result in braking
only on one side.
R maintain a much greater dis tance totheve hi‐
cle in front.
To preve nt salt build-up:
R brake occasionally while paying attention to
th e tra ffic conditions.
R carefully depress the brake pedal at the end
of the journey and when starting the next
journe y. ECO
start/s top function Ope
ration of the ECO start/s top function
The engine is au tomatically switched off if the
fo llowing conditions are me t:
R Ifyo u brake theve hicle toast andstill in
transmission position hori.
R If all vehicle conditions for an auto matic
engine stop are met. 14 6
Driving and pa rking

th
eeve nt of associated dama ge, which may not
be visible, tothe bumpers or radiator grille, ha ve
th e function of thera dar sensors checked at a
qu alified specialist workshop. The driver assis‐
ta nce sy stem may no longer workproperly. Overview of driving sy
stems and driving
saf ety sy stems In
this section, you will find information about
th efo llowing driving sy stems and driving saf ety
sy stems:
R 360° Camera (→ page 201)
R ABS (Anti-lock BrakingSystem) (→ page167)
R Distance Pilot DISTRONIC (→ page 180)
R Adaptive brake lights (→ page177)
R AIR BODY CONTROL (→ page191)
R Active Brake Assi st (→page 172)
R Active Lane Keeping Assist (→ page215)
R ATTENTION ASSIST (→ page 209)
R BAS (Bra keAssist System) (→ page168)
R DYNA MIC BODY CONTROL (→ page191) R
EBD ( Electronic Brakeforc eDistribution)
(→ page 171)
R ESP ®
(Electronic Stability Program)
(→ page 168)
R Hill Start Assist (→ page189)
R HOLD function (→ page190)
R STEER CONTROL (→ page 172)
R Steering Pilot (→ page187)
R Limi ter (→ page 177)
R Parking Pilot (→ page 204)
R Parking Assist PARKTRONIC(→ page194)
R Reversing camera (→ page198)
R Cruise control (→ page 177)
R Blind Spot Assi stand Active Blind Spot Assi st
( → page 213)
R Traf fic Sign Assi st (→page 210) Fu
nctions of ABS (anti-lock braking sy stem) ABS
regulates the brake pressure in critical driv‐
ing situations:
R During braking, e.g. at maximum full-s top
braking or insuf ficient traction of the tyres,
th e wheels are pr evented from blocking.
R Vehicle steerability while braking is ensured.
If ABS inter venes when braking, you will feel a
pulsing in the brake pedal. The pulsating brake
pedal can be an indication of hazardous road
conditions and can ser veas a reminder totake
ex tra care while driving.
Sy stem limitations
R ABS is active from speeds of appr ox.
8 km/h.
R ABS may be impai red or may not function if a
malfunction has occur red and theye l‐
low ! ABSwarning lamp lights up contin‐
uously in the instrument clus ter af terthe
engine is star ted. Driving and parking
167

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 theå ESP®
OFF 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 toswer vefrom
side toside:
R ESP ®
trailer stabilisation is active abo ve
speeds of 65 km/h. R
Slight swerving is reduced bymeans of a tar‐
ge ted, individual brake application on one
side.
R Intheeve nt of se vere swerving, 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. Driving and parking
171

Sy
stem limitations
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.
R Ifth e sensors malfunction due to otherradar
source inter fere nce, forex ample strongradar
re flections in multi-s torey car par ks.
R If a loss of tyre pressure or a defective tyre
has been de tected and displ ayed.
The sy stem may not react cor rectly:
R In compl extraf fic st ations where objects
cannot alw ays be clearly identified.
R Topedestrians or vehicles if they mo ve
qu ickly into the sensor de tection range.
R Topedestrians who are hidden by other
objects.
R Ifth e typical outline of a pedestrian cann ot
be distinguished from the bac kground. R
If a pedestrian is not recognised as su ch, e.g.
due tospecial clo thing or other objects.
R On bends with a tight radius. Setting
Active Brake Assi st Multimedia sy
stem:
, Vehicle .
k Assistance .
Active
Brake Assist
Ve hicles without Driving Assistance pack‐
age: The settings can be made af terst arting the
ve hicle.
Ve hicles with Driving Assistance pac kage:
The settings can be made when the ignition is
switched on.
% It is recommended that you alw ays lea ve
Ac tive Brake Assi stswitched on.
The moment of warning or inter vention can be
adjus ted as follo ws: #
Select Active Brake Assist Warning/brake
application: early: your selection is retained
when theve hicle is next star ted. #
Select Active Brake Assist Warning/brake
application: medium :yo ur selection is
re tained when theve hicle is next star ted. #
Select Active Brake Assist Warning/brake
application: late :yo ur selection is retained
when theve hicle is next star ted. #
Select Active Brake Assist Warning/brake
application: off:
Ve hicles without Driving Assistance pack‐
age: The dis tance warning function and the
autonomous braking function are deactiva‐
te d. When theve hicle is next star ted, the
middle setting is auto matically selected.
Ve hicles with Driving Assistance pack‐
age: The dis tance warning function and the
autonomous braking function are deactiva‐
te d. Evasive Steering Assist is una vailable.
When the ignition is next star ted, the middle
setting is selected automatically and Evasive
St eering Assist is available.
% When Active Brake Assi stis deactivated, the
æ symbol appears inthe assis tance
graphic in the multifunction displa y.176
Driving and pa rking

If no speed limit is display
ed whenthe le ver is
operated, the speed set bythe driver is adop ted.
Drive prog ram
The DYNA MIC SELECT switch allo wsyouto
ch ange the driving style of Dis tance Pilot
DISTRONIC. Depending on which drive program
is selected, the driving characteristics can be
ge ared towa rds fuel econom y,comfort or
dynamic per form ance (→ page148).
Sy stem limitations
Dis tance Pilot DISTRONIC is acti veinthe
0 km/h to200 km/h speed range.
Ve hicles with the Driving Assistance Pack‐
age: Distance Pilot DISTRONIC is acti veinthe
0 km/h to210 km/h speed range.
The sy stem may be impaired or may not function
in thefo llowing ins tances:
R In sno w,rain, fog, heavy spr ay, if there is
gl are, in direct sunlight or in great lyvarying
light conditions.
R The windsc reen in the area of the camera is
dirty, mis ted up, damaged or co vered.
R Ifth era dar sensors are dirty or co vered. R
On slippery roads, braking or accelerating
can cause the drive wheels tolose traction
and theve hicle could then skid.
R In multi-s torey car par ks,to llst ations or on
ro ads with steep uphill or downhill gradients.
Do not use Dis tance Pilot DISTRONIC in these
situations.
Tips
Pa y particular attention in thefo llowing traf fic
situations. In such situations, brake if necessar y.
Dis tance Pilot DISTRONIC is then deactivated:
R When cornering, entering and exiting a bend.
R When not driving in the cent reofthe lane.
R When other vehicles are changing lane.
R Ifth ere are nar rowvehicles.
R Ifth ere are obs tacles and stationary vehi‐
cles.
R Ifth ere are crossing vehicles, pedestrians,
mo torcyc lists or cyclists. Display of Distance Pilot DISTRONIC in
the
assi stance graphic and in the speedome ter 1
Vehicle ahead
2 Distance indica tor
3 Set specified di stance
4 Own vehicle 18 2
Driving and pa rking

1
Speed of vehicle ahead
2 Stored speed
Displa ysinthe multifunction display
When activating Dis tance Pilot DISTRONIC or
when changing thestored speed, the new stored
speed is shown for around five seconds in the
ç multifunction display 70 km/h.
When Dis tance Pilot DISTRONIC is acti ve,th e set
st ored speed is displa yed next totheç sym‐
bol. When dis tance control is acti ve,th e symbol
is shown in green.
Ve hicles with the Driving Assistance Pack‐
age: On mo torw ays or high-speed major roads th
eç symbol is displa yed cyclically when the
ve hicle is ready topull away.
Ve hicles with Speed Limit Pilo t:If a speed
limit is automatical lyadop ted, this is shown as
th estored speed with theê symbol.
Operating Distance Pilot DISTRONIC &
WARNING Risk of accident if de tection
function of Dis tance Pilot DISTRONIC is
impaired
The Dis tance Pilot DISTRONIC does not
re act:
R topeople or animals
R tostationary obs tacles on thero ad, e.g.
st opped or par kedve hicles (vehicles with‐
out the Driving Assis tance Package)
R tostationary obs tacles on thero ad, e.g.
st opped or par kedve hicles, if conditions
are not suf ficient toenable de tection
(vehicles wi th the Driving Assis tance
Pa ckage)
R tooncoming vehicles and crossing traf fic As a
result, Dis tance Pilot DISTRONIC may
nei ther give warnings nor inter vene in su ch
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 Pilot
DISTRONIC may:
R give an unnecessary warning and then
brake theve hicle
R neither give a warning nor inter vene
R accele rate or brake unexpectedly #
Continue driving with care and be ready
to brake, particular lyif Dis tance Pilot
DISTRONIC warnsyo u. Driving and parking
18 3