
#
Vehicles with windshield heating: press
th e button.
#
Close the center air vent (/ page 98) and
air vents forth e headroom (/ page 99) and
re ar compartment (/ page 99).
Misting on the outside of windo ws #
Switch on the windshield wiper (/ page 88).Switching air-recirculation mode on and off
#
Press the0089 button.
The interior air is recirculated.
The ai r-re circulation mode switches off au tomati‐
cally.
% When air-recirculation mode is switched off,
th
e windo wsmay fog up more quickl y.Switch
on ai r-re circulation mode only briefly.
Air-recirculation mode au tomatical lyswitches on
in thefo llowing cases:
R at high outside temp eratures
R while theve hicle is driving in a tunnel (only
ve hicles with 3-zone automatic climate con‐
trol)
R when the windshield wipers are switched on
(/ page 88)
The indicator lamp on the0089 button will not
light up in this case. Af ter a maximum of
30 minutes, outside air is automatically intro‐
duced again. Switching
the windshield heating on and off %
In
theeve nt of high outside temp eratures,
th e windshield heating may not turn on. #
Press the button forth e windshield heating.
If th e indicator lamp lights up, the windshield
heating is switched on.
% The windshield heating switches off automat‐
ically af ter a few minutes.
% If
th e battery voltage is too lo w,it may not be
possible toswitch the windshield heating on.
If th e battery voltage becomes too low while
th e windshield heating is in operation, the
windshield heating will swit choff automati‐
cally. Switching
there ar window defros ter on or off #
Press the006C button.
If th e indicator lamp lights up, there ar win‐
dow defros ter is switched on. Operating air
vents Ad
justing the front-compartment air vents &
WARNING ‑ Danger of bu rns or frostbite
due tobeing too close tothe air vents
Ve ry hot or very cold air can flow from the air
ve nts.
This could result in burns or frostbite in the
immediate vicinity of the air vents. #
Makesure that all vehicle occupants
alw ays maintain a suf ficient dis tance to
th e air vents. #
If necessa ry, direct the air flow to
ano ther area of theve hicle interior. #
Toopen or close: hold center2 of air
ve nt 1 and turn it tothe left or right as far
as it will go. #
Toset the air direction: hold center2 of
air vent 1 and swivel it up wards, down‐
wa rds, to the left or totheright. 98
Climate control

#
Toopen or close: turnthe adjustment
wheels 1onthe high-po wer air vents tothe
left or right as far as they will go.
% Cooled air will
flow out of the high-po wer air
ve nts. Heating will not be possible. Open the
high-po wer air vents only in summer du ring
cooling mode and keep them closed in win‐
te r. Ad
justing air vents in thero of air duct In
vehicles with rear-compartment air condition‐
ing, adjus table air vents ha vebeen integrated in
th ero of air duct. #
Adjusting the air flow: if necessar y,open or
close the air flaps in air vents 1. #
Adjusting the air distribution: turn airvents
1 tothere qu ired position. Ve
ntilation nozzles in there ar &
WARNING ‑ Danger of bu rns or frostbite
due tobeing too close tothe air vents
Ve ry hot or very cold air can flow from the air
ve nts.
This could result in burns or frostbite in the
immediate vicinity of the air vents. #
Makesure that all vehicle occupants
alw ays maintain a suf ficient dis tance to
th e air vents. #
If necessa ry, direct the air flow to
ano ther area of theve hicle interior. Depending on
theve hicle equipment, there will
be an air duct or a heater with additional air noz‐
zles in there ar foot we ll on the left-hand side 1.
No objects may be placed there. Passengers
must maintain a suf ficient dis tance due tothe
wa rm airflow and air intake. Au
xiliary heating Fu
nction of the auxiliary heating &
DANG ER Risk of fata l injury due topoi‐
sonous exhaust gases
If th eta ilpipe is bloc ked or suf ficient ventila‐
tion is not possible, poisonous exhaust gases
such as carbon monoxide may enter theve hi‐
cle. This is the case in enclosed spaces or if
th eve hicle getsst uck in sn ow,fo rex ample. #
Always switch thest ationary heater off
in enclosed spaces without an air
ex traction sy stems, e.g. in garage s. Climate
control 99

Switching auxiliary heating on and off
#
Toswitch on: pressthe003B button. #
Toswitch off: pressthe003B button.
Switching on the specified temperature #
Swit chon the ignition. #
Toswitch on: pressthe003B button. #
Toswitch off: pressthe003B button. #
Set thete mp erature using the0082 button. #
Press the 003B button.
The red or blue indicator lamp on the003B
button goes on or off.
Colors of the indicator lamp:
R Blue: auxiliary ventilation has been switched
on.
R Red:auxilia ryheating has been switched on.
R Yello w: departure time has been pre-selec‐
te d.
Au xilia ryheating or ventilation switches off af ter
a maximum of 50 minutes.
Swit ching heater boos ter mode on and off #
Toswitch on: start the engine. #
Press the 003B button. #
Toswitch off: pressthe003B button.
Heater boos ter mode will be switched on at
an outside temp erature of less than 32 °F
(0 °C) when necessar y.
% Heater boo
ster mode is available only for
ve hicles with hot-water auxiliary heatings.Ad
justing the hot-water auxiliary hea ter with
the on-board co mputer
Re quirements:
R The fuel tank is filled abo vethere ser vefuel
le ve l.
R The ignition is switched on.
On-board computer: 4 Settings 5
Heating
Setting the switch-on time #
Select Settings. #
Select the desired departure time.
Ac tivating the departure time #
Activate the departure time byticking the
box.
% Ensure
that A, B and C ea chcor respond to a
programmed departure time.
% The programmed time
remains set only until
th e next time the engine is star ted.
Selecting prog rammed time #
Set therequ ired programmed time A,B or C.
% The
requ ired prog rammed time A,B or C will
appear only if the box toactivate the depar‐
ture time is tic ked. #
Select there qu ired prog rammed time by
swiping left or right, e.g. A,B or C.
Problems with hot water auxiliary heating Problem
Possible causes/consequences and 0050 0050Solutions
FA IL00A3 Signal transmission between transmitter and
vehicle is malfunctioning. #
Change your position in relation totheve hicle, moving closer if nec‐
essar y.
FA IL Thestar ter battery is not suf ficiently charge d. #
Charge thest ar ter batter y.
The fuel tank is not filled up tothere ser veleve l. #
Refuel at the nearest gasst ation.
FA IL0099 Au
xilia ryheating is malfunctioning. #
Have the auxiliary heating checked at a qualified specialist work‐
shop. Climate
control 101

Ru
les for off-road driving
Alw ays be aware of the ground clearance of the
ve hicle and avoid obs tacles such as deep tire
ru ts.
Obs tacles can damage thefo llowing parts of the
ve hicle, forex ample:
R Suspension
R Driv etra in
R Fuel and supply tanks
The refore , alw ays drive slowly when off-road. If
yo u must drive over obs tacles, ha vethe co-driver
instruct you.
% Mercedes-Benz
recommends that you addi‐
tionally car rya sho vel and a reco very rope
with a shackle in theve hicle.
R Make sure that loads and items of luggage
are securely stored or lashed down
(/ page 72).
R Before driving off-road, stop theve hicle and
engage a low gear.
R Vehicles with DSR: activate DSR when you
are driving downhill (/ page120).
R All-wheel drive vehicles: activate the all-
wheel drive (/ page119) and, if necessa ry,
activate theLO W RANGE transmission ratio
(/ page 119).
R Ifth e sur face requ ires, temp orarily deactivate
ASR when pulling away ( /page 119).
R Only drive off-road with the engine running
and a gear engaged.
R Drive slowly and smo othly. Wa lking pace is
necessary in many situations.
R Avoid spinning the driven wheels.
R Always ensure that the wheels remain in con‐
ta ct wi th the ground.
R Exercise the utmost caution when driving
across unfamiliar, unpredictable terrain. As a
precaution, getout of theve hicle totake a
look at thero ute tobe take nfirs t.
R Look out for obs tacles (e.g. rocks, holes, tree
st umps and tire ruts).
R Avoid edges where the sur face could crumble
or break away.
Ru les forfo rd ing off-road (all-wheel drive
ve hicles)
R Obser vethe saf ety no tes and general no tes
on driving off-road. R
Check the dep thand characteristics of the
body of water before ford ing. The water must
not be deeper than 23.6 in (60 cm).
R The climate control sy stem is switched off
(/ page 95).
R The auxiliary heating is switched off
(/ page 100).
R Swit chon all-wheel drive (/ page118) and
engage it on vehicles with theLO W RANGE
transmission ratio (/ page 119).
R Restrict the shift range to1or 2.
R Avoid high engine speeds.
R Drive slowly and smoo thly at no more than a
wa lking pace.
R Ensure that no bow wavefo rm s while driving.
R Afterfo rd ing, dry the brakes.
Af ter driving thro ugh a body of water deeper than
19 .7 in (50 cm), make su retocheck all vehicle
fl uids for any signs of penetration bywate r.
Checklist af ter driving off-road
If yo ufind damage totheve hicle af ter off-road
driving, ha vetheve hicle checked at a qualified
specialist workshop immediatel y.
Driving overro ugh terrain places greater
demands on your vehicle than normal road opera‐
tion. Check your vehicle af ter driving on rough
te rrain. This allo wsyouto detect damage
prom ptly and reduce therisk of an accident for
yo urself and other road users. Clean your vehicle
th oroughly before driving on public roads.
Obse rveth efo llowing points af ter driving off-
ro ad, on con stru ction sites and before driving on
public roads:
R Vehicles with DSR: deactivate DSR
(/ page 120).
R All-wheel drive vehicles: deactivate the all-
wheel drive (/ page119).
R Activate ASR (/ page 119).
R Clean theex terior lighting, particular lythe
headlamp s andtail lamps, and check them
fo r dama ge.
R Clean the front and rear license plates.
R Clean the windshield, windo wsand outside
mir rors.
R Clean thesteps, entra nces and grab handles.
This increases the saf ety of your foot ing.
R Clean the wheels and tires, wheel wells and
th e underbody of theve hicle with a water jet. 11 2
Driving and pa rking

Engine number
The engine number is
stamped onto the crank‐
case. You can obtain fur ther information from any
qu alified specialist workshop. Operating fluids and capacities
Note
s on operating fluids &
WARNING Risk of inju ryfrom operating
fl uids harmful to your health
Operating fluids may be poisonous and harm‐
ful to yo ur health. #
Obse rveth ete xt on the original contain‐
ers when using, storing or disposing of
operating fluids. #
Alwaysst ore operating fluids sealed in
th eir original containers. #
Alwayske ep children away from operat‐
ing fluids. +
ENVIRONMEN
TALNO TEEnvironmental
pollution due todisposing of operating
fl uids in a non-environmen tally responsi‐
ble manner Operating
fluids include thefo llowing:
R fuels
R exhaust gas af tertre atment additives, e.g.
DEF
R lubricants
Incor rect disposal of ope rating fluids can
cause considerable damage tothe environ‐
ment. #
Dispose of operating fluids in an envi‐
ro nmentally responsible manner. Operating
fluids include thefo llowing:
R fuels
R exhaust gas af tertre atment additives, e.g.
DEF
R lubricants
R coolant
R brake fluid
R windshield washer fluid
R climate control sy stem refrigerants
Use only products recommended byMercedes-
Benz. Damage caused bythe use of products that ha
ve not been appr oved is not co veredby the
Mercedes-Benz guarantee or goodwill gestures.
Yo u can identify operating fluids appr ovedby
Mercedes-Benz bythefo llowing insc ript ions on
th e container:
R MB-F reigabe (e.g. MB- Freigabe 229. 51 )
R MB-Appr oval (e.g. MB-App rova l 229.51)
Fu rther information on appr oved operating fluids:
R inthe MB Specifications for operating fluids
at http://be vo.mercedes-benz.com (by enter‐
ing the designation)
R at a qualified specialist workshop &
WARNING Risk offire or explosion from
fuel
Fu els are highly flammable. #
Fire, open flames, smoking and creation
of spar ksmust be avoided. #
Swit choff the ignition and, if available,
th est ationary heater, before and while
re fueling theve hicle. &
WARNING Risk of inju ryfrom fuels
Fu els are poisonous and hazardous to your
health. #
Do not swallow fuel or let it come into
contact wi thskin, eyes or clo thing. #
Do not inhale fuel vapor. #
Keep children away from fuel. #
Keep doors and windo wsclosed du ring
th ere fueling process.
If yo u or other people come into contact with
fuel, obser vethefo llowing: #
Immediately rinse fuel off your skin with
soap and water. #
If fuel comes into contact with your
ey es, immediately rinse them thor‐
oughly with clean water.Seek medical
attention immediately. #
Ifyo u swallow fuel, seek medical atten‐
tion immediatel y.Do not induce vomit‐
ing. #
Change immediately out of clo thing that
has come into con tact wi thfuel. Te
ch nical da ta263

Display messages
Possible causes/consequences and 0050 0050Solutions
To Engage Transmiss.
Position R First Depress
the Brake #
Shift the transmission toposition 005E.
Air Conditioning Malfunc-
tion See Operator's Man-
ual *T
he climate contro l system is functional, subject totemp orary
re strictions. The air quantity and fresh air supply are controlled
automaticall y. #
Have the climate cont rol sy stem checked at a qualified specialist
wo rkshop.
Auxiliary Battery Mal-
function *T
he bac kup battery forth e transmission is not being charge d. #
Visit a qualified specialist workshop. #
Until then, alw ays shift the transmission toposition 005Dmanually
before you swit choff the engine. #
Before leaving theve hicle, apply the parking brake.
Reversing Not Possible
Service Required *T
he transmission is malfunctioning. It is no longer possible toshift
to reve rsege ar. #
Visit a qualified specialist workshop.
Transmission Malfunc-
tion Stop *T
he transmission is malfunctioning. The transmission automatically
shifts toposition 005C. #
Stop in a safe location immediately. #
Shift the transmission toposition 005D. #
Consult a qualified specialist workshop.
0072
Vehicle Operational
Switch the Ignition Off
Before Exiting *Y
ou are about toexitth eve hicle while it is ready tostart. #
When youex itth eve hicle, switch off the ignition and take the
ke y with you. #
Ifyo u do not exitth eve hicle, switch off the electrical consum‐
ers, e.g. the seat heating. Otherwise, the12 ‑Volt‑battery may
discha rge and theve hicle can only be star ted using a boos ter
battery (jump start).
Service Required Do Not
Shift Gears Visit Dealer *T
he transmission is malfunctioning. The transmission position can
no longer be changed. #
Ifth e transmission is in position 005B, visit aqualified specialist
wo rkshop, without changing the transmission position. #
For all other transmission positions, park theve hicle in a safe
location. #
Inform a qualified specialist workshop or the breakdown service.
Only Shift to 'P' when
Vehicle is Stationary *
The transmission can only be brought into position 005Difth eve hicle
is at a standstill.
N Permanently Active
Risk of Rolling Away *W
hile theve hicle is rolling or driving, the transmission was shif ted
to position 005C. #
Tostop, press the brake pedal and, when theve hicle is at a
st andstill, shift the transmission toposition 005D. #
Tocontinue driving, shi ftthe transmission toposition 005Bor005E. 294
Display messages and warning and indicator lamps

1,
2, 3 ...
3-zone automatic climate control
(control panel) ....................................... .95
12 V so cket
see Soc ket (12 V)
11 5 V soc ket
see Soc ket (1 15 V)
360° Camera ........................................ 14 9
Care .................................................. 212
Fu nction ........................................... 14 9
Selecting a view ................................ 151
Switching au tomatic operation
on/off (rear view camera) ................. 151A
ABS (Anti-lock Braking Sy stem) .......... 137
Ac celeration
see Using kickdown
Ac oustic locking verification signal
Ac tivating/deactivating ...................... 42
Ac tive Brake Assi st.............................. 13 9
Fu nction/no tes ................................ 13 9
Setting .............................................. 141
Ac tive Di stance Assist DISTRO NIC..... 14 3
Calling up a speed ............................ 14 4
Fu nction ........................................... 14 3
Increasing/decreasing speed ........... 14 4
Re quirements .................................. .144
St eering wheel buttons ..................... 14 4
St oring a speed ................................ 14 4
Switching off/deacti vating ............... 14 4
Switching on/activating ................... 14 4
Sy stem limitations ............................1 43
Ac tive Lane Keeping Assist .................155
Fu nction ........................................... 15 5
Sy stem limitations ............................1 55
Tr ailer operation .............................. .155
Ac tive Parking Assist
Maneuvering assis tance ................... 151
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist
Fu nction ............................................. 81
Switching on/off ................................ 81
Ad d-on equipment .................................. 19
Ad d-on equipment guidelines ...............19
Ad ditional turn signal light (all-
wheel drive vehicles) ............................. 85 Ad
diti ve ................................................. 267
DEF .......................................... 127, 266
Engine oil .......................................... 267
Ad diti ves
Fu el .................................................. 264
Ad diti ves (DEF)
see DEF
Ad diti ves (engine oil)
see Additive
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
ADR (working speed control) Adjusting .......................................... 157
Fu nction ........................................... 15 6
Switching on/off .............................. 157
Af ter-sales service center
see ASS YST PLUS
Air bag Reduced pr otection ............................33
Air nozzles see Air vents
Air vents ............................................ 98, 99
adjusting (front) ..................................98
Ad justing (roof) .................................. 99
Re ar passenger compartment ............ 99
Airbag ...................................................... 32
Ac tivation ........................................... 29
Fr ont airbag (driver, front
passenger) ......................................... 32
Ins tallation locations .......................... 32
Overview ............................................ 32
Pr otection ...........................................32
Side airbag ......................................... 32
Wi ndow cur tain airbag ........................ 32
Alarm sy stem
see ATA (Anti -Theft Alarm sy stem)
Alertness assistant see ATTENTION ASSIST
All-wheel drive Engaging ...........................................1 18
Engaging/disen gaging ......................1 19
LO Wrange ........................................ 11 9
No tes ................................................ 11 8
Android Auto ......................................... 187
Connecting a mobile phone .............. 188
Ending .............................................. 188
No te ................................................. 188
Overview .......................................... 187306
Index

Changing bulbs
...................................... .83
High beam .......................................... 84
Indicator (front) .................................. 84
Interior lamps (rear compartment) ..... 88
License plate lamp ............................ .86
Light bulb types haloge n headlamps ..84
Low beam ........................................... 84
No tes .................................................83
Ta il lamp bulb types (Cargo Van
and Passenger Van) ............................ 85
Ta il lamp bulb types (chassis) ............ .87
Tu rn signal light (rear) (chassis) ..........87
Changing lamps see Changing bulbs
Changing owner ...................................... 21
Cha racteristics of the tire .................. .245
Charging Battery .............................................. 219
Mobile phone (wireless) ..................... 77
Child saf ety lock (doors) ........................ 39
Child seat front-passenger seat (no tes) .............. 38
front-passenger seat (rear ward-
fa cing/for ward-facing) ....................... 38
LA TC H-type (ISOFIX) (ins talling) ........ .36
LA TC H-type (ISOFIX) (no tes) ............... 36
No tes on the safe transpor tation of
ch ildren .............................................. 34
Re arwa rd-facing child restra int sys‐
te m (Information) .............................. .38
To pTe ther ...........................................37
Child ren
No tes on safe transpor tation .............. 34
Special seat belt retractor .................. 35
Ci ga rette lighter ..................................... 75
Cleaning see Care
Cleaning water drain valve of the air
intake box ............................................ .208
Climate control Activating/deactivating ...................... 95
Ad justing rear-compartment heat‐
ing ...................................................... 96
Air distribution settings ...................... 97
automatically controlling (rear
passenger compartment) .................. .97
Au xilia ryheating ................................. 99
Cargo compartment ventilation ........ 102
Clearing fogged up windo ws............... 97
Control panel for 3-zone auto matic
clima tecontrol ................................... 95 Control panel
for dual-zone auto‐
matic clima tecontrol .......................... 94
Controlling automatically .................... 96
Hot- wate r auxilia ryheater ................1 00
Re frigerant ........................................ 271
Setting the air distribution .................. 97
Switching ai r-re circulation mode
on/off ................................................ 98
Switching synchronization function
on/off (control panel) ......................... 97
Switching the A/C function on/off ....96
Switching there ar wind ow
defros ter on/off ................................. 98
Switching the windshield heater
on/off ................................................ 98
Ve ntilating theve hicle (con veni‐
ence opening) ..................................... 54
Ve ntilation nozzles at front ................. 98
Ve ntilation nozzles in thero of ............ 99
Ve ntilation nozzles, rear passenger
compartment .................................... .99
Cockpit (o verview) .................................. .6
Combination switch see High beam
see High-beam flasher
see Indicator
Compu ter
see On-board computer
Contacts ................................................ 185
Calling up ........................................ .185
Deleting ............................................ 185
Downloading (from mobile phone) .... 185
Information .......................................1 85
Making a call ................................... .185
Na me form at .................................... 185
Con venience closing .............................. 54
Con venience opening ............................. 54
Con versions ............................................ 19
Coolant Filling capacities .............................. .270
Coolant (engine) Che cking le vel .................................. 206
No tes ............................................... 269
Copyright License ............................................... 27
Tr ademar ks......................................... 27
Cornering light ...................................... .80
Crosswind Assist Function/no tes ................................ 13 8
Cruise control ...................................... .141
Ac tivating ......................................... 14 2 Index
309