Automati
ctransmission* Problem Possible causes/consequences and
0050
0050Solutions The transmission has
problem
sshifting gear. The transmission is losing oil.
X
Hav ethe transmission checke dataqualified specialist work-
sho pimmediately. The acceleration ability
is deteriorating.
The transmission no
longer changes gear. The transmission is in emergenc
ymode.
It is only possible to shif tinto second gear and revers egear.
X Stop th evehicle.
X Mov ethe transmission to position P.
X Turn th ekeyin th eignition to position 0(Y page 65 )orpress
th eS tart/Sto pbutton* repeatedly until all indicator lamp sin
th ei nstrumen tcluste rgoo ut.
X Wait at least 10 seconds before restarting th eengine.
X Mov ethe transmission to position Dor R.
If D is selected, th etransmission shifts into secondgear;ifRis
selected, th etransmission shifts int orevers egear.
X Hav ethe transmission checke dataqualified specialist work-
sho pimmediately. PARKTRONIC*
Problem Possible causes/consequences and
0050 0050Solutions Only th
ered segments
in th ePARKTRONIC
warning display are lit.
You also hear awarning
tone for approximately
two seconds.
PARKTRONI Cisdeacti-
vated after approx-
imately 20 seconds and
th ei ndicator lamp in
th eP ARKTRONI Cbut-
to nl ights up. PARKTRONI
Chas malfunctioned and has switched itself off.
X If problem spersist, hav ePARKTRONI Cchecked ataq ualified
specialist workshop. Only th
ered segments
in th ePARKTRONIC
warning display are lit.
PARKTRONI Cisdeacti-
vated after approx-
imately 20 seconds. The PARKTRONI
Csensor sare dirt yorthere is interference.
X Clean th ePARKTRONI Csensor s(Ypage 202).
X Switc hthe ignition bac kon. Troubleshooting
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Problem Possible causes/consequences and
0050
0050Solutions Only the red segments
in the PARKTRONIC
warning display are lit.
PARKTRONIC is deacti-
vated after approx-
imately 20 seconds. The problem may be caused by an external source of radio or
ultrasound waves.
X
See if PARKTRONIC functions in adifferent location. Headlamps
Problem Possible causes/consequences and
0050 0050Solutions The headlamps are mis-
ted up on the inside. Air humidity is very high.
X
Drive with the headlamps switched on.
The headlamps are demisted after ashort distance. The headlamp housing is not sealed and moisture has been able
to enter.
X
Have the headlamps checked at aqualified specialist workshop. Windscreen wipers
Problem Possible causes/consequences and
0050 0050Solutions The windscreen wipers
are jammed. Leaves or snow, for example, may be obstructing the windscreen
wiper movement.T
he wiper motor has been deactivated.
X For safety reasons, you should remove the key from the ignition
lock.
X Remove the cause of the obstruction.
X Switch the windscreen wipers back on. The windscreen wipers
fail completely.
G
Risk of accident
The windscreen wiper drive is malfunctioning.
X Select another wiper speed on the combination switch.
X Have the windscreen wipers checked at aqualified specialist
workshop. The windscreen washer
fluid from the spray
nozzles no longer hits
the centre of the wind-
screen. The spray nozzles are misaligned.
X
Have the spray nozzles adjusted at aqualified specialist work-
shop. 244
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Side windows
Problem Possible causes/consequences and
0050
0050Solutions As
ide window will not
close. An object is obstructing the side window and preventing it from
closing.
X
Remove the object(s).
X Close the side window. You cannot see the cause.
X
Close the side window with increased force or without the anti-
entrapment feature (Y page 95).Soft top (Cabriolet)
Problem Possible causes/consequences and
0050 0050Solutions The soft top will not
open or close. The ignition is not switched on.
X
Make sure that the key is in position 2in the ignition lock. The boot lid is open.
X
Close the boot lid (Y page 64). The boot separator is not closed.
X
Close the boot separator (Y page 162). The roll bars have been deployed.
X
Visit aqualified specialist workshop. The head restraint
sinthe rear compartmen tdonot retract auto-
matically.
X Lower the head restraint sinthe rear compartmen tmanually
(Y page 257). The soft-top mechanism or control system is defective.
X
Close the soft top with the emergency mechanism if necessary
(Y page 250).
X Visit aqualified specialist workshop. Troubleshooting
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Problem Possible causes/consequences and
0050
0050Solutions The soft top was opened and closed several times in succession.
The soft-top drive has been deactivated automatically for safety
reasons.
You can open or close the soft top again after approximately ten
minutes.
X
Switch the ignition off and then on again.
X Repeatt he opening or closing procedure. Folding the front seat backrests forwards/EASY-ENTRY feature
Problem Possible causes/consequences and
0050 0050Solutions Vehicles without the
memory function: you
are moving the front
seat back from the
EASY-ENTRY position
but the seat does not
reach the previously
set individual position. The seat backrest was moved too jerkily while the seat was being
moved back.
X
Fold the seat backrest back to the front stop again. If necessary,
slide the seat to its foremost position.
X Slide the seat back until the previous seat position is reached
and smoothly fold the seat backrest back, avoiding jerking
movementsw hile doing so.
or
X Pull the lever for seat fore-and-aft adjustment and slide the seat
back.
X Reset the individual seat position. You have pulledt
he
release lever on the
side of the seat back-
rest and folded the
backrest forwards but
the seat cannot be
moved to the foremost
stop. The angle of the seat backrest is set too steeply.
Fold the seat backrest down further.246
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Problem Possible causes/consequences and
0050
0050Solutions You can no longer lock
or unlock the vehicle
using KEYLESS GO*.
KEYLESS GO* is in standby mode because the vehicle has not
been unlocked for an extended period.
X
Pull the door handle and then turn the key to position 2in the
ignition lock. KEYLESS-GO* is malfunctioning.
X
Lock/unlock the vehicle using the remote control function of
the key. Point the tip of the key at the driver's door handle from
close range and press the 0036/0037button.
X Have the key checked at aqualified specialist workshop. There is interference from
apowerful source of radio waves.
X Lock/unlock the vehicle as described in the "Opening and clos-
ing in an emergency" section (Y page 249).You have lost
akey. X
Have the key cancelled at aMercedes-Benz Service Centre.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the manual locks changed too. You have lost the emer-
gency key element.
X
Report the loss immediately to the vehicle insurers.
X If necessary, have the manual locks changed too. The key cannot be
turned in the ignition
lock. The key has been in position
0for aconsiderable time.
X Remove the key and reinsert it into the ignition lock.
X Check the starter battery and charge it if necessary
(Y page 273).
X Start the engine. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating* or inte-
rior lighting, and try to turn the key again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 273).
or
X Jump-start the vehicle (Y page 276).
or
X Consult aqualified specialist workshop. 248
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Parking up the vehicle
Problem Possible causes/consequences and
0050
0050Solutions The vehicle is to be left
parked up for longer
than four weeks. The battery can be damaged through exhaustive discharge.
X
Disconnect the battery (Y page 275) or connect toatrickle
charger.
i Have the battery checked at aqualified specialist workshop,
e.g. aMercedes-Benz Service Centre. The vehicle is to be left
parked up for longer
than six weeks. Damage resulting from non-use may occur if the vehicle is parked
up for long periods.
X
Visit aqualified specialist workshop and seek advice. Locking/unlocking in an emergency
Emergency key element
If the vehicle can no longer be locked or
unlocked with the key, use the emergency
key element.
If you use the emergency key element to
unlock and open the driver's door or the boot
lid, the anti-theft alarm system* will be trig-
gered (Y page 58).
There are several waystot urn off the alarm:
X Press the 0036or0037 button on the key.
or
X Insert the key into the ignition lock.
or
X Press the Start/Stop button* in the ignition
lock. The key must be in the vehicle.
or
X Lock or unlock the vehicle using KEYLESS
GO*. The key must be outside the vehicle. Removing the emergency key element X
Push release catch 0046in the direction of
the arrow and at the same time remove
emergency key element 0047from the key. Unlocking the vehicle
If the vehicle can no longer be unlocked cen-
trally with the key or KEYLESS GO*:
X Remove the emergency key element from
the key (Y page 249). Locking/unlocking in an emergency
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In these situations, it is better to get in
touch with
aqualified specialist workshop,
e.g. aMercedes-Benz Service Centre. G
Risk of injury
Remove wristwatches and any jewellery such
as rings or bracelets. You could otherwis eget
caught, injured and damage the vehicle.
Alwaysg rip the soft top at the indicated grip-
ping points when closing the soft top man-
ually. You could otherwis ebeinjured.
X Depress the parking brake.
X Open the side windows.
X Lower the head restraints (automatically:
(Y page 69) or manually:( Ypage 257)).
X Remove the key from the ignition lock.
X Open the boot.
X Take the two straps out of the vehicle tool
kit (Y page 207).
X Take the hex-socket wrench out of the
Owner's Manualw allet and keep it with
you. X
To open the cover on the left hand side
in the boot: turn rotary catch 0046anti-
clockwise and fold down cover 0047. X
Insert hex-socket wrench 008Ainto valve
screw 0088on the hydraulicp ump.
X Turn valve screw 0088on the hydraulicp ump
using hex-socket wrench 008Aone full turn
anti-clockwise. Example: left trim in the boot
X
On both sides of the boot, tear trim 0086
along the perforatio ninthe direction of the
arrow. Example: left trim in the boot
X
On both sides,b ehind the trim, pullo ut
catch 0087as far as it willgoa nd turn it Locking/unlocking in an emergency
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X
Push the emergenc ykey into two
holes 0046between the head restraints until
cover 0047releases.
X Remove cover 0047. X
Turn handwheel 0046in the direction of the
fronts eat to lower the head restraints. AIRCAP*
-fitting/removing the wind
deflector (Cabriolet)
You will need a4mmhex-socket wrench to
fit and remove the AIRCAP draught stop. Removing the AIRCAP draught stop
X Turn the key to position 2in the ignition
lock.
X Open the soft top fully (Y page 160).
X Extendt he head restraints in the rear com-
partmen t(Y page 69). Bolts on the AIRCAP draught stop between the
head restraints in the rear compartment
X
Use the 4mmhex-socket wrench to turn
the bolts on both sides anti-clockwise by
about 90° and loosen them.
X Pull the bolts out of the mountings on the
head restraints. X
Pull the AIRCAP draught stop out of the
guide rails in the direction of the arrow.
Make sure that you pull the AIRCAP draught
stop forwards slightly when doing so. Fitting the AIRCAP draught stop
X Turn the key to position 2in the ignition
lock.
X Open the soft top fully (Y page 160).
X Extendt he head restraints in the rear com-
partmen t(Y page 69). 258
AIRCAP* -fitting/removing the wind deflector (Cabriolet)Practical advice
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