Display messages (vehicle with-
out steering wheel buttons) ........... 200
Function/notes ............................. 150
ATTENTION ASSIST
see ATTENTION ASSIST
Audio 10
Important safety notes .................. 230
Audio 15
Bluetooth
®settings ....................... 234
Display overview ............................ 233
Entering the passkey ..................... 234
Important safety notes .................. 230
Making a call ................................. 236
Media mode ................................... 235
Navigation ..................................... 236
Overview ........................................ 232
Telephone mode ............................ 236
Authorized workshop
see Qualified specialist workshop
AUTO lamp
Display messages (vehicle with-
out steering wheel buttons) ........... 196
AUTO lights
Display messages (vehicle with
steering wheel buttons) ................. 210
see Lights
Automatic car wash (care) ............... 264
Automatic engine start (ECO start/
stop function) .................................... 124
Automatic engine switch-off (ECO
start/stop function) .......................... 124
Automatic headlamp mode ................ 95
Automatic locking ............................... 74
Automatic transmission
Accelerator pedal position ............. 130
Changing gear ............................... 128
DIRECT SELECT lever ..................... 126
Display message ............................ 218
Drive program display .................... 128
Driving tips .................................... 130
Emergency running mode .............. 132
Engaging drive position .................. 127
Engaging neutral ............................ 127
Engaging reverse gear ................... 127
Engaging the park position ............ 127
Gearshift recommendation ............ 131
Important safety notes .................. 126 Kickdown ....................................... 130
Manual shifting .............................. 130
Overview ........................................ 126
Problem (malfunction) ................... 132
Program selector button ................ 129
Rocking the
vehi
cle free ................ 130
Shift ranges ................................... 128
Starting the engine ........................ 122
Steering wheel paddle shifters ...... 130
Trailer towing ................................. 130
Transmission oil change ................ 308
Transmission position display
(DIRECT SELECT lever) ................... 128
Transmission positions .................. 127
Automatic transmission emer-
gency mode ....................................... 132
Axle load, permissible (trailer tow-
ing) ...................................................... 314
B
Backup lamp
Display messages (vehicle with
steering wheel buttons) ................. 211
Backup lamps
Display messages (vehicle with-
out steering wheel buttons) ........... 197
Replacing bulbs ............................. 103
BAS (Brake Assist System)
Function/notes ................................ 65
Basic settings
see Settings
Battery (SmartKey)
Checking .......................................... 71
Important safety notes .................... 71
Replacing ......................................... 72
Battery (vehicle)
Care ............................................... 263
Charging ........................................ 262
Connecting and installing .............. 261
Disconnecting and removing ......... 259
Display messages (vehicle with
steering wheel buttons) ................. 212
Display messages (vehicle with-
out steering wheel buttons) ........... 198
Important safety notes .................. 258
Jump starting ................................. 272
Location ......................................... 259
Index5
Transmission oil ..................... 308, 309
Washer fluid ................................... 311
Setting the air distribution ............... 114
Setting the airflow ............................1 14
Setting the speed
see Cruise control
Settings
Factory (vehicle with steering
wheel buttons) ............................... 188
Factory (vehicle without steering
wheel buttons) ............................... 174
On-board computer (vehicle with
steering wheel buttons) ................. 186
On-board computer (vehicle with-
out steering wheel buttons) ........... 174
Side impact air bag .............................5 1
Side windows
Cleaning ......................................... 265
Convenience closing feature ............ 83
Convenience opening feature ..........8 2
Hinged side windows ....................... 81
Important safety information ........... 81
Opening/closing .............................. 82
Overview .......................................... 81
Problem (malfunction) ..................... 83
Resetting ......................................... 83
Signal and ambient light
Changing a bulb ............................. 100
Sliding door
Child-proof locks .............................. 63
Cleaning ......................................... 267
Important safety notes .................... 74
Indicator lamp ................................ 229
Opening/closing from the inside ..... 75
Opening/closing from the out-
side .................................................. 75
see Electric sliding door
SmartKey
Changing the battery ....................... 72
Changing the programming ............. 70
Checking the battery ....................... 71
Convenience closing feature ... 83, 117
Convenience opening feature .......... 82
Door central locking/unlocking ....... 69
Important safety notes .................... 69
Loss ................................................. 72
Mechanical key ................................ 70
Problem (malfunction) ..................... 72 SmartKey positions (ignition lock)
.. 121
Snow cha ins
...................................... 280
So
ckets .............................................. 241
Spare wheel
General notes ................................ 301
Important safety notes .................. 301
Removing/mounting ...................... 301
Special seat belt retractor .................. 59
Specialist workshop ............................ 31
Speed, controlling
see Cruise control
Speedometer
Activating/deactivating the addi-
tional speedometer (vehicle with
steering wheel buttons) ................. 186
Activating/deactivating the addi-
tional speedometer (vehicle with-
out steering wheel buttons) ........... 175
Digital (vehicle with steering
wheel buttons) ............................... 179
Digital (vehicle without steering
wheel buttons) ............................... 173
General notes ................................ 170
In the instrument cluster (vehicle
with steering wheel buttons) ............ 39
In the instrument cluster (vehicle
without steering wheel buttons) ...... 37
Setting the display unit (vehicle
with steering wheel buttons) ......... 186
Setting the display unit (vehicle
without steering wheel buttons) .... 175
SRS (Supplemental Restraint Sys-
tem)
see Restraint system
Standing lamp
Display messages (vehicle with
steering wheel buttons) ................. 211
Standing lamps
Display messages (vehicle with-
out steering wheel buttons) ........... 197
Replacing bulbs (front) ................... 102
Replacing bulbs (rear) .................... 103
Switching on/off .............................. 94
Start/stop function
see ECO start/stop function
Starting
see Starting (engine)
20Index
Resetting(vehicle wit hsteerin g
whee lbuttons ).............................. .179
Resetting (vehicle without steer-
ing wheel buttons) ......................... 172
Setting the display unit (vehicle
with steering wheel buttons) ......... 186
Setting the display unit (vehicle
without steering wheel buttons) .... 175
Trip odometer
see Trip odometer
Turn signal
Changing bulbs (additional turn
signals) .......................................... 102
Turn signals
Display messages (vehicle with
steering wheel buttons) ................. 210
Display messages (vehicle with-
out steering wheel buttons) ........... 196
Replacing bulbs (front) ................... 102
Replacing bulbs (rear) .................... 103
Switching on/off .............................. 96
Trailer display messages (vehicle
with steering wheel buttons) ......... 209
Trailer display messages (vehicle
without steering wheel buttons) .... 196
Two-way radios
Type approval/frequency .............. 303
TWR (Tongue Weight Rating) (defi-
nition) ................................................. 296
Type identification plate
see Vehicle identification plate
U
UnlockingEmergency unlocking ....................... 71
From inside the vehicle (central
unlocking button) .............................7 3
With emergency key element ........... 70
USB (audio)
Playing ...........................................1 82
V
Vanity mirror
Changing a bulb (mirror lamp) ......... 99
Sun visor ........................................ 239
Vehicle
Data acquisition ............................... 34 Display messages (vehicle with
steering wheel buttons) ................. 218
Display messages (vehicle with-
out steering wheel buttons) ........... 202
Electronics ..................................... 303
Emergency unlocking ....................... 70
Equipment ....................................... 27
Limited Warranty .............................2
7
Loading .......................................... 288
Locking (in an emergency) ............... 71
Locking (SmartKey) .......................... 69
Lowering ........................................ 299
Maintenance .................................... 28
Operating safety .............................. 30
Parking for a long period ................ 135
Pulling away ................................... 122
Raising ........................................... 297
Registration ..................................... 32
Reporting problems ......................... 32
Securing from rolling away ............ 133
Towing away .................................. 274
Transporting .................................. 276
Unlocking (in an emergency) ........... 71
Unlocking (SmartKey) ...................... 69
Vehicle battery
see Battery (vehicle)
Vehicle bodies ..................................... 32
Body/equipment mounting direc-
tives for trucks ................................. 32
Vehicle check
see Preparing for a journey
Vehicle data ....................................... 311
Vehicle dimensions ........................... 311
Vehicle emergency locking ................ 71
Vehicle identification number
see VIN
Vehicle identification plate .............. 303
Vehicle key
see SmartKey
Vehicle tool kit
in the seat base ............................. 270
Scope ............................................ 270
Storage location ............................ 270
Stowage compartment in the rear. .270
Stowage space in the cargo com-
par tment ........................................ 271
24Index
Useful information
This Operator's Manual describes all models as
well as standard and optional equipment of your
vehicle that were available at the time of going
to print. Country-specific variations are possi-
ble. Note that your vehicle may not be equipped
with all of the described functions. This also
applies to systems and functions relevant to
safety.
Read the information on qualified specialist
workshops (
Ypage 31).
Key
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Ropen the doors, thus endangering other
people or road users.
Rget out and disrupt traffic.
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake.
Rshifting the automatic transmission out of
park position P
RStart the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
GWARNING
If you attach heavy or large objects to the
SmartKey, the SmartKey could be uninten-
tionally turned in the ignition lock. This could
cause the engine to be switched off. There is a risk of an accident.
Do not attach any heavy or large objects to the
SmartKey. Remove any bulky key rings before
inserting the SmartKey into the ignition lock.
!Keep the SmartKey away from strong mag-
netic fields. Otherwise, the remote control
function could be affected.
Strong magnetic fields can occur in the vicin-
ity of powerful electrical installations.
Do not keep the key:
Rwith electronic devices, e.g. a mobile phone
or another key
Rwith metallic objects, e.g. coins or metal foil
Rin metallic objects, e.g. metal cases
This can affect the key's functionality.
Key functions
:Battery check lamp
;& To lock the vehicle centrally
=5To unlock the sliding doors and the
tailgate or rear door or to unlock and open or
close the electric sliding door
?Mechanical key
A% To unlock the vehicle centrally or
unlock the front door(s) only
The vehicle's equipment includes two keys.
There is a mechanical key in each key.
The key can be used to unlock the vehicle from
some distance. To prevent theft, only use the
key in the immediate vicinity of the vehicle.
Change the batteries immediately if battery
check lamp :does not light up briefly with
every press of a button (
Ypage 72).
XTo unlock centrally: press the%button.
The turn signals flash once.
Key69
Opening and closing
Z
XTo unlock the sliding doors and the tail-
gate or rear door only: press the5but-
ton.
The turn signals flash once.
If you do not open the vehicle within approx-
imately 40 seconds of unlocking:
Rthe vehicle is locked again.
Rthe anti-theft protection is armed again.
XTo lock centrally: press the&button.
The indicator lamps flash three times if:
Rthe anti-theft protection is armed.
Rall the doors and the tailgate or rear door
are closed.
XCheck the locking knobs on all the doors.
The locking knobs must all be in the lowered
position.
The key's factory setting enables you to cen-
trally lock and unlock the following:
Rthe driver's and the front-passenger door
Rthe sliding doors
Rthe tailgate or rear door
In an emergency, the driver's door can also be
unlocked manually using the mechanical key
(
Ypage 70).
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
locking-verification signal can be switched on/
off:
Rusing the on-board computer on vehicles with
steering wheel buttons (Ypage 188)
Rat a specialist qualified workshop for vehicles without steering wheel buttons
After unlocking using the remote control, the
surround lighting also goe s o
n in the dark. For
vehicles with steering wheel buttons, the sur-
round lighting can be activated and deactivated
in the on-board computer (
Ypage 187).
Changing the settings of the locking
system
If you travel alone a lot, you may wish to change
the settings of the locking system. Press
the % button to unlock:
Rthe driver's and front-passenger door (Cargo
Van)
or
Rthe driver's door (Passenger Van)
XTo change the setting: press and hold down
the % and& buttons simultaneously
until the battery check lamp flashes twice
(
Ypage 69).
If the setting of the locking system is changed
within the signal range of the vehicle, press the & or% button to:
Rlock or
Runlock the vehicle
The key now functions as follows:
XTo unlock the driver's door or front doors: press the %button once.
XTo unlock centrally: briefly press the%
button twice.
XTo lock centrally: press the&button.
XTo restore factory settings: press and hold
down the %and& buttons simultane-
ously until the battery check lamp flashes
twice (
Ypage 69).
The key unlocks the vehicle centrally again.
Mechanical key
General notes
If the vehicle can no longer be locked or
unlocked with the SmartKey, use the mechani-
cal key.
The anti-theft alarm system (ATA) is triggered
when you unlock and open the vehicle using the
mechanical key (
Ypage 68).
The alarm can be stopped in the following two
ways:
XPress the %or& button on the Smart-
Key.
or
XInsert the SmartKey into the ignition lock.
70Key
Opening and closing
Removing the mechanical key
XSlide release catch:in the direction of the
arrow and, at the same time, remove mechan-
ical key ;from the SmartKey completely.
Inserting the mechanical key
XPush mechanical key ;completely into the
SmartKey until it engages and release
catch :is back in its basic position.
Unlocking/locking the vehicle using
the mechanical key
The door lock for unlocking in an emergency is
on the driver’s door.
XTo unlock the driver's door: insert the
mechanical key fully into the driver's door
lock and turn it counter-clockwise.
The driver’s door is unlocked.
XTo lock the vehicle: lock all doors except the
driver's door from the inside. To do this, push
down the door-locking knobs.
XInsert the mechanical key fully into the driv-
er's door lock and turn it clockwise.
The driver's door is locked.
Battery of the key
Important safety notes
GWARNING
Batteries contain toxic and corrosive substan- ces. If batteries are swallowed, it can result in
severe health problems. There is a risk of fatalinjury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention
immediately.
HEnvironmental note
Batteries contain dangerous
substances. It is against the
law to dispose of them with
the household rubbish. They
must be collected separately and recycled to protect the
environment.
Dispose of batteries in an
environmentally friendly
manner. Take discharged
batteries to a qualified spe-
cialist workshop or a special
collection point for used bat-
teries.
Mercedes-Benz recommends that you have the
battery changed at a qualified specialist work-
shop.
Checking the battery
XPress the &or% button.
If battery check lamp :lights up briefly, the
battery is sufficiently charged.
If battery check lamp :does not light up
briefly, the battery is empty.
XChange the battery (Ypage 72).
If the SmartKey battery is checked within the
signal range of the vehicle, pressing the &or
% button results in:
Rlock or
Runlock the vehicle
Key71
Opening and closing
Z
iThe battery may be obtained at any qualified
specialist workshop.
Changing the battery
You need a type CR 2025 3 V cell battery.
XPull out the mechanical key from the Smart-
Key (Ypage 70).
XPush mechanical key ;into the opening in
the SmartKey in the direction of the arrow
until battery compartment cover :opens.
When doing so, do not hold battery compart-
ment cover :shut.
XRemove battery compartment cover :.
XTap the SmartKey against the palm of your
hand so that battery=falls out of the battery
compartment.
XInsert the new battery into the battery tray
with the positive pole facing upwards. Use a
lint-free cloth to do so.
XInstall battery compartment cover :to the
key casing with the front lugs first and push
closed.
XSlide mechanical key ;back into the Smart-
Key (Ypage 71).
XCheck the function of all SmartKey buttons on
the vehicle.
Problems with the key
ProblemPossible causes/consequences and MSolutions
It is no longer possible to
lock the vehicle using
the SmartKey.
The turn signals do not
flash when the vehicle is
locked.The doors are not closed properly.
XClose the doors properly and lock the vehicle again.
The central locking system has malfunctioned.
XLock the vehicle using the mechanical key (Ypage 71) or press
down the locking knob and then close the doors.
XHave the central locking system checked as soon as possible at a
qualified specialist workshop.
It is no longer possible to
lock or unlock the vehi-
cle using the SmartKey.The SmartKey battery is weak or discharged.
XPoint the tip of the SmartKey at the driver's door handle from very
close range and press the %or& button.
If this does not work:
XReplace the SmartKey battery (Ypage 72).
or
XLock or unlock the vehicle using the mechanical key (Ypage 71).
72Key
Opening and closing
ProblemPossible causes/consequences andMSolutions
The SmartKey is faulty.
XLock the vehicle with the mechanical key (Ypage 71).
XHave the SmartKey checked at a qualified specialist workshop.
The engine cannot be
started using the Smart-
Key.The on-board voltage is too low.
XSwitch off all non-essential consumers, such as interior lighting, and
try to start the engine again.
If this does not work:
XCheck the starter battery and charge it if necessary (Ypage 262).
or
XJump-start the vehicle (Ypage 272).
or
XConsult a qualified specialist workshop.
You have lost a Smart-
Key.XHave the SmartKey deactivated at a qualified specialist workshop.
XReport the loss immediately to the vehicle insurers.
XIf necessary, have the mechanical locks replaced.
You have lost the
mechanical key.XReport the loss immediately to the vehicle insurers.
XIf necessary, have the mechanical locks replaced.
Central locking
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Ropen the doors, thus endangering other
people or road users.
Rget out and disrupt traffic.
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake.
Rshifting the automatic transmission out of
park position P
RStart the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
GWARNING
If persons, particularly children are subjected to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle.
You can open a locked door from the inside at
any time. For the sliding doors, the child-proof
locks must be deactivated.
Centrally locking and unlocking the
vehicle from the inside
You can centrally lock and unlock the whole
vehicle from the inside using the central locking
buttons on the driver's door.
Central locking73
Opening and closing
Z