Page 299 of 350

296 Electronic main key
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Important!
Batteries contain materials that can harm the
environment if disposed of improperly. Recycling of
batteries is the preferred method of disposal. For
disposal, please follow manufacturer’s recommendation
on battery package.
Replacement Battery:
Lithium, type CR 2025 or equivalent.
Synchronizing remote control
The remote control may have to be resynchronized, if
the vehicle cannot be locked or unlocked.
To synchronize insert electronic key in steering lock.
The remote control should once again be operational.Emergency engine shut-down
If the engine can no longer be stopped using the
electronic key, the engine can be turned of f by removing
two fuses.
For easy removal of fuses use the fuse extractor
(supplied with vehicle tool kit) to pull out the fuses
marked on the fuse chart as “ENGINE EMERGENCY
OFF”.
The fuse chart is also located in the vehicle tool kit,
seepage266.
For fuses see page 257.
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297 Rear seat cushion
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Rear seat cushionRemoval:
Pull locking tabs up (on left and right side of seat) and
lift seat at the front.
Installation:
Guide seat belt buckles through openings in seat
cushion. Slide rear edge of cushion under the backrest
as far as it will go, and push front of cushion down until
it locks in place.
Caution!
Watch out for sharp edges when removing or installing
the rear seat cushion, and make sure that it is securely
locked in place again, to prevent personal injury.
P91.12-2193-26
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Page 301 of 350
298 Emergency operation of sliding / pop-up roof
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Emergency operation of sliding / pop-up roof
The sliding / pop-up roof can be opened or closed
manually should an electrical malfunction occur.
The sliding/pop-up roof drive is located behind the lens
of the left interior lamp between the sun visors.
1. Pry off lens (1) by using a screw driver.
2. Remove cover (2).
3. Obtain crank (3) (supplied with vehicle) and insert
it through hole.To slide the roof closed or to raise the roof at the rear:
turn crank clockwise.
To slide the roof open or to lower the roof at the rear:
turn crank counterclockwise.
Note:
Push crank upward while turning it, to disengage the
electric motor.
1
P77.20-2037-26
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Page 302 of 350
299 Manual release for fuel filler flap
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Manual release for fuel filler flapThe manual release knob is located behind the right
side trunk panel.
In case the central locking system does not release the
fuel filler flap, pull the manual release knob while
simultaneously opening the fuel filler flap.
P80.20-2090-26
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Page 303 of 350
300 Replacing wiper blade insert
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Replacing wiper blade insert
For safety reasons, remove electronic key from steering
lock before replacing the wiper blade, otherwise the
motor can suddenly turn on and cause injury.
Notes:
Do not open engine hood with wiper arm folded forward.
Do not allow the wiper arm to contact the windshield
glass without a wiper blade inserted. The glass may be
scratched or broken.
Make certain that the wiper blade is properly installed.
An improperly installed wiper blade may cause
windshield damage.
Removal:
Fold wiper arm forward. Press safety tab down (1), push
wiper blade downward (2) and remove.
Place wiper blade on firm support. Press down both tabs
and slide (direction of arrow) the wiper blade insert out
of the retainer claws.
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301 Replacing wiper blade insert
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Installation:
Slide (direction of arrow) wiper blade insert into
retainer claws until tabs are engaged.
Insert wiper blade between tabs (3) on the wiper arm,
and slide into end of wiper arm. Press safety tab upward
until it locks in place.
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Page 305 of 350
302 Roof rack
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Roof rackUse only those roof racks approved by Mercedes-Benz to
avoid damage to the vehicle. Follow manufacturer’s
installation instructions.
Mount supports only between markings on border of
roof which are visible when doors are opened.
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Page 306 of 350

303 Contents – Vehicle care
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar careIndex
Vehicle careCleaning and care
of the vehicle .............................304
Power washer ..............................305
Tar stains .....................................305
Paintwork, painted body
components .................................305
Engine cleaning ..........................306
Vehicle washing .........................306
Ornamental moldings ................306
Headlamps, taillamps,
turn signal lenses ......................306
Cleaning the parktronic
system sensors ...........................307Window cleaning /
glass sunroof .............................. 307
Wiper blades .............................. 307
Light alloy wheels ..................... 308
Instrument cluster ..................... 308
Steering wheel and
gear selector lever ..................... 308
Cup holder .................................. 308
Seat belts ..................................... 308
Headliner and shelf
below rear window .................... 308
Upholstery .................................. 309
Hard plastic trim items ............. 309
Plastic and rubber parts ........... 309
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