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Electronic main key
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Changing batteries in the electronic key
1 Transmit buttons
2 Lamp for battery check and function control
Checking batteries
If one of the transmit buttons (1) is pressed, the battery
check lamp (2) lights up briefly – indicating that the
batteries are in order.
Change batteries if the battery check lamp (2) does not
light up briefly. Changing batteries
Move locking tab (3) in direction of right arrow and
remove mechanical key (4, left arrow).
P80.20-2200-26
1
2
P80.35-2028-26
4
3
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Electronic main key
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Insert mechanical key (4) in side opening (5) to open
latch. Press briefly (do not use mechanical key as lever)
to release battery compartment.
Remove mechanical key from side opening.
Carefully remove battery compartment in direction of
arrow (6). Change batteries (7), inserting new ones under contact
spring (8) with plus (+) side facing up.
Return battery compartment into housing until locked
in place and slide mechanical key back into electronic
key.
P80.35-2026-26
5
4
6
P80.35-2027-26
78
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Emergency engine shut-down
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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 starter switch.
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 off by removing
two fuses.
For easy removal of fuses use the fuse puller (located in
the auxiliary fuse box in the trunk) to pull out the fuses
marked on the fuse chart as “ENGINE EMERGENCY
OFF”.
The fuse chart is located in the fuse box in the
passenger compartment.
For fuses see page 311.
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354
Fuel filler flap, manual release
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Instrument
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Fuel filler flap, manual release
Open the trunk lid and fold right-side taillamp trim
aside. Reach inside and turn the release knob (arrow)
clockwise. Open the fuel filler flap. Emergency operation of sliding / pop-up roof
The panorama sliding / pop-up roof can be opened or
closed manually should an electrical malfunction occur.
The panorama sliding / pop-up roof drive is located
behind the lens (1) of the interior overhead light.
Pry off the lens (1) using a screwdriver.
P47.25-2031-26
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Emergency operation of sliding / pop-up roof
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Slide both locking tabs (2) in direction of arrow, lower
rear of cover and remove.
Note:
Do not disconnect electrical connectors.
Obtain crank (3) (supplied with vehicle) and insert
through left hand side motor hole (4).
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 202 for instructions on synchronizing the
panorama sliding / pop-up roof after closing manually.
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357
Replacing wiper blade insert
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Place wiper blade on firm support. Press down both tabs
and slide (direction of arrow) the wiper blade insert out
of the retainer claws.
Installation:
Slide (direction of arrow) wiper blade insert into
retainer claws until tabs are engaged.
Slide wiper blade onto wiper arm until it locks in place. Roof rack
Mount roof racks only between the fastening points (1)
(see arrows) and in the recess of the rubber strip (2).
Use only those roof racks approved by Mercedes-Benz to
avoid damage to the vehicle. Follow manufacturer’s
installation instructions.
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Index
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Index
Index
AAdding engine oil........................................................... 318
Air pump ......................................................................... 322
Airbags .............................................................................. 72
ANTILOCK BRAKE SYSTEM
Malfunction and warning message........................ 293
Antilock brake system (ABS) ....................................... 272
Antitheft alarm system ................................................... 44
Ashtrays........................................................................... 211
Audio system Button and soft key operation................................. 176
Cassette mode ........................................................... 182
CD changer ................................................................ 187
CD mode ..................................................................... 186
Operating and display elements............................. 174
Operating safety ........................................................ 173
Operation.................................................................... 176
Operation Audio and telephone .............................. 173
Radio mode ................................................................ 179
Telephone operation ................................................. 190 Audio systems................................................................. 108
Cassette player .......................................................... 110
CD Player .................................................................... 109
Radio ........................................................................... 108
Automatic central locking .............................................. 40
Automatic climate control ............................................ 160 Activated charcoal filter ........................................... 168
Adjustable air outlets, rear passenger compartment ......................................................... 172
Air recirculation ........................................................ 167
Air volume, manual .................................................. 165
Basic setting............................................................... 164
Defrosting ................................................................... 166
Display and controls ................................................. 162
Dust filter.................................................................... 164
Economy mode .......................................................... 169
Front center console storage compartment ventilation..................................... 171
Residual engine heat utilization ............................. 169
Special settings ......................................................... 165
Windows fogged up on the outside ........................ 166
Automatic transmission ............................................... 246 Fluid level ................................................................... 317
Transmission selector lever, manually unlocking ............................................ 344
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Index
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Instrument
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Index
BBabySmart
TM airbag deactivation system..................... 69
Battery ............................................................................. 336
Block heater .................................................................... 266
Brake assist system (BAS) ............................................ 271
Bulbs See Replacing bulbs ................................................. 345
CCD changer installed ..................................................... 187
Cellular telephone ......................................................... 219
Center console .................................................................. 24
Central locking switch .................................................... 38
Central locking system ................................................... 31Automatic central locking ......................................... 40
Central locking switch ............................................... 38
Choosing global or selective mode........................... 33
Doors ............................................................................. 36
General notes............................................................... 30
Locking and unlocking with remote control .......... 33
Mechanical keys .......................................................... 35
Obtaining replacement keys ..................................... 29
Summer opening/convenience feature ................... 34 Vehicle keys ................................................................. 28
Changing wheels........................................................... 327 Inflating the collapsible spare tire ........................ 333
Storing spare wheel in wheel well ........................ 334
Check regularly and before a long trip...................... 280
Child seat See Infant and child restraint systems .................... 82
Climate control ............................................................... 152 Adjustable air outlets, rear passenger compartment ......................................................... 172
Air recirculation ........................................................ 158
Basic setting............................................................... 156
Defrosting ................................................................... 157
Display and controls ................................................. 154
Dust filter.................................................................... 155
Economy mode .......................................................... 159
Front center console storage compartment ventilation ............................................................. 171
Residual engine heat utilization ............................. 159
Special settings ......................................................... 156
Windows fogged up on the inside .......................... 157
Windows fogged up on the outside ................ 157, 166
COMAND, radio and telephone................................... 226
Combination switch ....................................................... 148
Control and operation of radio transmitters ............. 226
Coolant level ................................................................... 319