Page 377 of 430
374 KEYLESS-GO-card
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Changing batteries in the KEYLESS-GO-cardChecking batteries
Briefly press button (1). The indicator lamp “Unlock
driver’s door” (2) or “Global Unlock” (3) should come on
red or green.
Change batteries if indicator lamps do not illuminate,
see page 375.
P80.30-2027-26
1
2
3
Page 378 of 430
375 KEYLESS-GO-card
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Changing batteries
Pry open cover (1) (e.g. by using a narrow blade screw
driver) and remove batteries.
Install new batteries as indicated by the “+” and “-”
markings in the KEYLESS-GO-card.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 batteries:
Lithium, type CR 2025 or equivalent.
Page 379 of 430
376 Emergency engine shut-down
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Emergency engine shut-down
If the engine can no longer be stopped using the
electronic key or the start- / stop button (vehicles with
KEYLESS-GO), the engine can be turned off by
withdrawing 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,
seepage346.
For fuses see page 337.Fuel filler flap, manual release
Pull back the trim inside the trunk on the right-hand
side. Pull the release knob (arrow) and open the fuel
filler flap.
P80.20-0538-26
Page 380 of 430
377 Emergency operation of sliding / pop-up roof
Te ch n i c a l
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 overhead light.
Pry off the interior light lens (1) using a screwdriver.Obtain crank (2) (supplied with vehicle) and insert
through hole.
To slide 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.
See page 189 for instructions on synchronizing the
sliding / pop-up roof after closing manually.
P68.00-0759-26
1
P68.00-2005-26
2
Page 381 of 430
378 Replacing wiper blades
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Replacing wiper blades
To prevent damage to the hood or the wipers, the wiper
arms should only be folded forward while in the position
shown above.•Turn electronic key in starter switch to position 1.
•Turn combination switch to position I, see page 162.
•With wiper arms in position shown above, turn
electronic key in starter switch to position 0.
For safety reasons, remove electronic key from
starter switch before replacing a wiper blade,
otherwise the motor can suddenly turn on and cause
injury.
Notes:
Do not open engine hood with wiper arms folded
forward.
Do not allow the wiper arms to contact the windshield
glass without a wiper blade inserted. The glass may be
scratched or broken.
Make certain that the wiper blades are properly
installed. An improperly installed wiper blade may
cause windshield damage.
Page 382 of 430
379 Replacing wiper blades
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Removal:
Fold the wiper arm (1) forward and turn the wiper
blade (2) at a right-angle to wiper arm.
Remove wiper blade from wiper arm.Installation:
Install wiper blade onto the wiper arm by inserting
pin (4) into take-up (3).
Rotate wiper blade into position parallel to wiper arm.
P82.30-2089-26
4
1
2
3
Page 383 of 430
380 Replacing wiper blades
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Roof rack
Only mount roof racks to the fastening bolts (see arrows)
located under the door weatherstrips.Use only those roof racks approved by Mercedes-Benz to
avoid damage to the vehicle. Follow manufacturer’s
installation instructions.
Note:
Please observe that roof rack does not interfere with the
operation of the sliding/pop-up roof and that there is
sufficient clearance between the roof rack and the trunk
lid in the full open position.
P77.40-0209-26
Page 384 of 430

381 Contents – Vehicle care
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar careIndex
Vehicle careCleaning and care
of the vehicle .............................382
Power washer ..............................383
Tar stains .....................................384
Paintwork, painted body
components .................................384
Engine cleaning ..........................384
Vehicle washing .........................384
Ornamental moldings ................385
Headlamps, taillamps,
turn signal lenses ......................385
Cleaning the Distronic
system sensor .............................386Cleaning the parktronic
system sensors ........................... 386
Wiper blades .............................. 387
Light alloy wheels ..................... 388
Instrument cluster ..................... 388
Steering wheel and
gear selector lever ..................... 388
Cup holder .................................. 388
Seat belts ..................................... 389
Headliner and shelf
below rear window .................... 389
Leather upholstery .................... 389
Hard plastic trim items ............. 389
Plastic and rubber parts ........... 389