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342 Exterior lamps
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Taillamp assemblies
Open tailgate.
Press the button (1) on the corresponding side and fold
down the trim panel (2).Squeeze tabs together (3) and remove bulb holder.
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343 Exterior lamps
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index 4Stop lamp (P 21 W/32 cp bulb)
5Turn signal lamp (PY 21 W bulb [yellow])
6Backup lamp (P 21 W/32 cp bulb)
7Rear fog lamp (driver’s side)/tail, parking, standing
and side marker lamp (P 21/4 W)To r eplace bulb, twist bulb socket c oun terc lockwis e, p ull
out socket and remove bulb. Insert new bulb into socket,
insert socket and turn clockwise.
Insert bulb holder and close trim panel.
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344 Exterior lamps
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
License plate lamp
Loosen both securing screws (1), remove lamp and
replace tubular lamp (C 5 W/4 cp).Side marker lamp, front (5 W/4 cp bulb)
Carefully slide lamp towards rear (arrow 1), and remove
front end first (arrow 2).
Twist bulb socket counterclockwise and pull out.
Remove bulb from socket.
Insert new bulb in socket. Reinstall bulb socket, push in
and twist clockwise.
To reinstall lamp, set rear end of lamp in bumper and let
front end snap into place.
2
1
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345 Exterior lamps
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index High mounted stop lamp,
Additional turn signals on the exterior mirror
The high mounted stop lamp (3rd brake lamp) is
equipped with LEDs. The additional turn signals on the
exterior mirrors are equipped with incandescent bulbs.
Have the system checked at an authorized
Mercedes-Benz Center if a malfunction occurs.Standby bulb function
The sto p lamp s, d im med , will act as a re placeme nt lamp ,
if one taillamp stops working.
The left stop lamp acts as a replacement for the rear fog
lamp, if it stops working.
The respective fog lamp, dimmed, will act as a
replacement lamp, if the left or right standing lamp
stops working.
Notes:
The multifunction display will indicate that a bulb has
failed. See malfunction and warning messages on
page 285.
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346 Electronic key
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Changing batteries in the electronic key
1Transmit buttons
2Lamp 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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347 Electronic key
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index 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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348 Emergency engine shut-down
Te ch n i c a l
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 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 of f by removing
two fuses.
For easy removal of fuses use the fuse extractor (located
in the auxiliary fuse box in cargo area behind left trim
panel) 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 307.
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349 Fuel filler flap, manual release
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Fuel filler flap, manual release
Press button (1) and fold down trim panel (2).
Reach inside through opening (3) and turn release
knob (4) clockwise (arrow). Open the fuel filler flap.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 (1) of the interior overhead light.
Pry off the lens (1) using a screwdriver.
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