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 variation sare possi-
ble. Note that your vehicle may not be equipped
with all of the described functions. This also
applies to system sand function srelevantt o
safety.
Read the information on qualified specialist
workshops (
Ypage 29).
Key
Important safetyn otes
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' sequipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parkin gbrake.
Rshifting the automatic transmission out of
park position P
RStart the engine.
There is arisk of an acciden tand injury.
When leaving the vehicle, always tak ethe
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 engin etobeswitched 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
insertin gthe SmartKey int othe ignition lock.
!Keep the SmartKey away from strong mag-
netic fields. Otherwise, the remotec ontrol
function could be affected.
Strongm agnetic fields can occur in the vicin-
ity of powerful electrical installations.
Do not keep the key:
Rwith electronic devices,e .g.am obile phone
or another key
Rwith metallic objects, e.g. coinsorm etal foil
Rin metallic objects, e.g. metal cases
This can affectt he key's functionality.
Key functions
:Battery checklamp
;&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 frontd oor(s) only
The vehicle’s equipment includes 2keys. There
is an mechanical key in each key.
The key can be used to unlock the vehicle from
some distance. To preventt heft, only use the
key in the immediatev icinity of the vehicle.
Change the batteries immediately if battery
checkl amp:does not light up briefly with
every press of abutton (
Ypage 69).
XTo unlock centrally: press the%button.
The turn signals flash once.
Key67
Opening and closing
Z
XTo unlockthe sliding doors and the tail-
gate or rear doo ronly:p ress the 5but-
ton.
The turn signals flash once.
iIf yo udon ot open the vehicl ewithina pprox-
imately40s econds of unlocking:
Rthe vehicleislocked again.
Rthe anti-thef tprotection is armed again.
XTo lock centrally: press the&button.
The indicator lamps flash thre etime sif:
Rthe anti-thef tprotection is armed.
Rallt he doors and the tailgate or rea rdoor
are closed.
XCheck the locking knobs on al lthe doors.
The locking knobs must al lbeinthe lowered
position.
The key's factory setting enables yo utocen-
trally lock and unlock the following:
Rthe driver's and the front-passenger door
Rthe sliding doors
Rthe tailgate or rea rdoor
In an emergency, the driver's door can also be
unlocke dmanuall yusing the mechanical key
(
Ypage 68).
Yo uc an also set an audibl esignaltoc onfirm
thatt he vehicl ehasbeen locked .The audible
locking-verification signalc an be switched on/
off:
Rusing the on-board compute ronvehicles with
steering whee lbuttons (Ypage 187)
Rat as pecialist qualified workshop for vehicles
withou tsteering whee lbuttons
After unlocking using the remote control, the
surround lighting also goe sonint
he dark. For
ve
hicles with steering whee lbuttons, the sur-
round lighting can be activate dand deactivated
in the on-board compute r(
Ypage 186).
Changingthe settings of the locking
system
If yo utravel alone alot,y ou mayw ishtoc hange
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 chang ethe setting: press and hol ddown
the % and& buttons simultaneously
unti lthe battery check lamp flashe stwice.
(
Ypage 67).
If the setting of the locking system is changed
withint he signalr angeoft he vehicle, press the
& or% button to:
Rlock or
Runlock the vehicle
The key now functions as follows:
XTo unloc kthe driver' sdoororf rontdoors:
press the %button once.
XTo unloc kcentrally: brieflypress the %
button twice.
XTo lock centrally: press the&button.
XTo restore factory settings: press and hold
down the %and& buttons simultane-
ouslyu ntilthe battery check lamp flashes
twice (
Ypage 67).
The key unlocks the vehicl ecentrall yagain .
Mechanical key
General notes
If the vehicl ecan no longer be locked or
unlocke dwitht he key,u sethe mechanical key.
The anti-thef talarm system (ATA) is triggered
when yo uunlock and open the vehicl eusing the
mechanical key (
Ypage 66).
The alarm can be disabled in the following two
ways:
XPress the %or& button on the key.
or
XInsert the key into the ignition lock.
Removing the mechanical key
68Key
Opening and closing
XSlide release catch:in the direction of the
arrow and ,atthe same time ,remove mechan-
ica lkey ; from the key completely.
Inserting the mechanical key
XPush mechanical key ;completely into the
key unti litengages and release catch :is
back in its basic position.
Unlocking/locking the vehicle using
the mechanical key
The doo rloc kf or unlocking in an emergency is
on the driver’ sdoor.
XTo unloc kthe driver's door: insert the
mechanical key fully into the driver' sdoor
lock and turn it counter-clockwise.
The driver’ sdoorisu nlocked.
XTo lock the vehicle: lock alldoors excep tthe
driver' sdoorfrom the inside. To do this ,press
dow nthe doo rloc king buttons.
XInsert the mechanical key fully into the driv-
er's doo rloc ka nd turn it clockwise.
The driver' sdoorisl ocked.
Battery of the key
Important safety notes
GWARNING
Batterie scontai ntoxic and corrosiv esubstan-
ces. If batteries are swallowed, it can result in
severe health problems .There is ariskoff atal
injury.
Kee pbatteries outoft he reach of children. If
ab attery is swallowed, see kmedica lattention
immediately.
HEnvironmental note
Batterie scontai ndangerous
substances. It is against the
la wtod ispose of them with
the householdr ubbish. They
mus tbec ollected separately
and recycle dtoprotect the
environment.
Dispose of batteries in an
environmentally friendly
manner. Take discharged
batteries to aquali fied spe-
cialist workshoporas pecial
collection point for used bat-
teries.
Mercedes-Benz recommend sthat yo uhavet he
battery changed at aquali fied 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 :doe snot light up
briefly, the battery is empty.
XChang ethe battery (Ypage 69).
If the key battery is checke dwithin the signal
rang eoft he vehicle, pressing the &or%
button results in:
Rlock or
Runlock the vehicle
iThe battery may be obtaine datany qualified
specialist workshop.
Changing the battery
You need atypeC R2 025 3Vc ellbattery.
XPull outt he mechanical key from the key
(Ypage 68).
Key69
Opening and closing
Z
If the on-board voltage is too low, the seat heat-
ing willeither switch itself off prematurely or not
come on at all .Inthis case, too many electrical
consumers are switched on or the battery
charge is not sufficient. The seat heating will
automatically switch back to the current heating
level when enough on-board voltage is available
again.
Steering wheel
GWARNING
You could lose control of you rvehicle if you do
the following whil edriving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten you rseat belt
before starting the engine.
GWARNING
If the steering wheel is unlocked whil ethe
vehicle is in motion, it could change position
unexpectedly .This could cause you to lose
control of the vehicle.T here isarisk of an
accident.
Before starting off, make sure the steering
wheel is locked. Never unlock the steering
wheel whil ethe vehicle is in motion.
GWARNING
Children could injure themselves if they
adjust the steering wheel .There is arisk of
injury.
When leaving the vehicle,a lways take the
SmartKey with you and lock the vehicle.N ever
leave childrenu nsupervised in the vehicle.
The steering wheel can still be adjusted if the
key has been removed.
Adjusting the steering wheel
:
Steering column height
;Lever
XTo adjust the steering wheel: pulllever ;
up and hold it.
The steering wheel is unlocked.
XMove the steering wheel to the desiredp osi-
tion.
XLet go of lever ;.
The steering wheel engages and is locked
again.
Mirrors
Important safety notes
GWARNING
You could lose control of you rvehicle if you do
the following whil edriving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten you rseat belt
before starting the engine.
GWARNING
The exterior mirror on the front-passenger
side reduces the size of the image .Visible
objects are actually closer than they appear.
This means that you could misjudge the dis-
tance from road users traveling behind, e.g.
when changing lane. There is arisk of an acci-
dent.
90Mirrors
Seats, steerin gwheel and mirrors