Page 55 of 337

The selected setting
forth e acoustic locking
ve ri/cation signal must comply with the appli-
cable national road tra1c rules. In some coun-
tries, including German y,using the acoustic
locking veri/cation signal is forbidden bytraf-
fi c la ws(in accordance with §16 Para. 1 and
§30 Para. 1 of the German national road traf-
fi c re gulations). The driver of theve hicle must
ensu recompliance with these regulations. In
countries whe rethe use of this function is for-
bidden, this function is not activated in the
ve hicle and must not be activated. Changing t
Changing t
he unloc
he unlocking se
king settings
ttings The
key has thefo llowing adjustable unlocking
functions:
R unlock centrally
R unlock the driver's door #
T
To switc
o switc h be
h betw
tween se
een se ttings:
ttings: press and hold the
% and& buttons at the same time for
appr oximately six seconds until the indicator
lamp 0ashes twice. #
T
To unloc
o unloc k t
k the v
he v ehicle centr
ehicle centr all
ally when t
y when t he
he
unloc
unloc king function is select
king function is select ed f
ed for t
or the dr
he dr iv
iver's
er's
door
door :
:press the% button a second time. R
R
emo
emo ving and inser
ving and inser ting t
ting t he emerg
he emerg encykey
ency key %
The anti-theT ala rmsystem (A TA) is triggered
when you unlock and open theve hicle using
th e emer gency key (/ page 68). #
T
To r
o r emov
emov e:
e:push release catch 1inthe direc-
tion of the ar row and simultaneously pull emer-
ge ncy key2 comple tely out of thekey. #
T
To insert
o insert: :push emer gency key2 comple tely
into theke y until it engages and release catch
1 is back in its initial position. R
R
eplacing t
eplacing t heke
he key batt
y batt ery
ery &
D
DAN
AN GER
GER Risk of fata l injuries due toswal-
lowing batteries
Bat teries contain toxic and cor rosive subs tan-
ces. Swall owing batteries may cause se vere
internal burns tooccur within two hours.
There is a risk of fatal injur y. #
Keep batteries out of there ach of chil-
dren. #
Ifth e battery compartment does not
close securel y,do not use theke y any
lon ger and keep it out of there ach of
ch ildren. #
If batteries are swallo wed, seek medical
attention immediatel y. +
ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmen tal
damage due toimproper disposal of bat-
te ries Batteries contain pollutants. It is
illegal todispose of them with the household
ru bbish. #
Dispose of batteries in an
environmentally responsible manner.
Ta ke dischar ged batteries toaqu ali/ed
specialist workshop or toa collection
point for used batteries. R
R
eq
eq uir
uir ements
ements
R youre qu ire a CR 2025 3 V cell battery
Changing t
Changing t he batt
he battery
ery
Mercedes-Benz recommends that you ha vethe
battery changed at a quali/ed specialist workshop. #
Remo vethe emer gency key (/ page 52). 52
52
Opening and closing
Page 56 of 337

#
Press eme rgency key2 into the opening in
th eke y in the direction of the ar row until bat-
te ry compartment co ver1 opens. When
doing so, do not hold battery compartment
co ver1 shut. #
Tapth eke y against the palm of your hand so
th at battery 3falls out of the battery com-
partment. #
Insert the new battery into the battery tr ay
with the positive pole facing upwards. Use a
lint-f ree clo thtodo so. #
Fit battery compartment co ver1 tothekey
casing with the front lugs /rst and push it
closed. #
Slide emer gency key2 back in tothekey
( / page 52). R
R
ectifying pr
ectifying pr oblems wit
oblems with t
h the key
he key It is no long
It is no long
er possible t
er possible t o loc
o lock t
k the v
he v ehicle using t
ehicle using t he
he
key.
key.
Po ssible causes:
R The doors are not closed proper ly.
R The central locking system has malfunctioned. #
Close the doors proper lyand lock theve hicle
again. #
Lock theve hicle using the emer gency key
( / page 52) or press down the locking pins
and then close the doors. #
Have the central locking system checked as
soon as possible at a quali/ed specialist work-
shop.
Y
Y ou can no long ou can no long er loc
er lock or unloc
k or unloc k t
k the v
he v ehicle.
ehicle.
Po ssible causes:
R The key battery is weak or dischar ged.
R The key is faulty. #
Check the battery using the indicator lamp and
re place the batter y,if necessary (/ page 51). #
Use the emer gency key element tolock and
unlock theve hicle (/ page 52). #
Have theke ych ecked at a quali/ed specialist
wo rkshop. The v
The v
ehicle will no
ehicle will no t st
t star
art wit
t wit h t
h the key.
he key.
Po ssible causes:
R The on-board elect rical system voltage is too
lo w. #
Switch o. all non-essential consume rs, such
as interior lighting, and try tostart theve hicle
again.
If th is does not work: #
Check the star ter battery and charge it, if nec-
essary (/ page 240).
or #
Jump-start theve hicle.
or #
Consult a quali/ed specialist workshop.
Y
Y ou hav
ou hav e los
e lost akey.
t a key. #
Have theke y deactivated at a quali/ed special-
ist workshop. #
Report the loss immediately totheve hicle
insu rers. #
If necessar y,ha ve the loc kschanged as well. Doors
Doors
U
Unloc
nloc king and opening t
king and opening t he door fr
he door from inside
om inside Door handle (e
xample: driver's door) #
Pull door handle 2.
Saf ety pin 1pops up when the door is
unloc ked. Opening and closing
53
53
Page 303 of 337

K
K
e
ey
y Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
 Key does not belong to
vehicle *Y
ou ha veinser ted an incor rect key in tothe ignition loc k. #
Use the cor rect key.
 Remove key *T
hekey is in the ignition loc k. #
Remo vethekey.
Â
Replace key *T
hekey needs tobe replaced. #
Consult a quali/ed specialist workshop.
 Change key batteries *T
hekey battery is dischar ged. #
Replace the battery (/ page 52). V V
ehicle
ehicle Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
Clutch overheated Avoid
pulling away Engage/
disengage clutch quickly
if req. *A
warning tone also sounds. The clutch is under heavy load and the
permissible operating temp erature of the clutch has been exceeded.
Av oid frequent pulling away and driving at walking pace overex tended
distances. #
Stop in accordance with the tra1c conditions. #
Secure theve hicle against rolling away. #
Leavethe engine running.
The clutch will cool more quickly when the engine is running.
or #
If possible, continue driving at a steady speed. #
Remo ve yo urfoot from the clutch pedal and do not let the clutch
slip.
The clutch may also cool down during driving.
Cooling down can take afew minutes. When the clutch has cooled
down, the display message will disappear and the clutch will be fully
operational again.
Ò *T
hetailgate is open. #
Close theta ilgate. 300 300
Display message
s andwarning and indicator lamps