Page 382 of 474
381 Practical hints
Opening/closing in an emergency
Opening/closing in an emergency
Panorama roof with power tilt/sliding panel*
You can open or close the tilt/sliding panel
manually should an electrical malfunction
occur.
The tilt/sliding panel drive is located be-
hind the lens of the interior overhead light.
Remove SmartKey from starter switch.
Pry off lens1 using a flat blade screw-
driver.
Slide both locking tabs2 in direction
of arrow.
Lower the rear of cover and remove.
Remove the cover.
Take the crank3 out of the Operator’s
Manual pouch.
Insert crank3 through hole.
Turn crank3 clockwise to:
slide roof closed
raise roof at the rear
Turn crank3 counterclockwise to:
slide roof open
lower roof at the rear
The tilt/sliding panel must be resynchro-
nized after being operated manually
(
page 246).
iDo not disconnect electrical connec-
tors.
Page 383 of 474
382 Practical hintsReplacing SmartKey batteriesIf the batteries in the SmartKey are dis-
charged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an autho-
rized Mercedes-Benz Center.Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen inserting the batteries, make
sure they are clean and free of lint.iWhen changing batteries, always
replace both batteries.
The required replacement batteries are
available at any Mercedes-Benz
Center.
Page 384 of 474
383 Practical hints
Replacing SmartKey batteries
SmartKey
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove mechanical key1
(page 377).
1Mechanical key
2Battery compartment
Insert mechanical key1 in side
opening and push grey slide.
Battery compartment2 is unlatched.
Pull the battery compartment2 out of
the key housing in direction of arrow.
Remove the batteries.
3Battery
4Contact spring
Using a lint-free cloth, insert new
batteries3 under contact spring4
with the plus (+) side facing up.
Return battery compartment into the
housing until it locks in place.
Slide mechanical key1 back into the
SmartKey.
Check the operation of the SmartKey.
Page 388 of 474
387 Practical hints
Replacing bulbs
3Bulb socket for turn signal lamp bulb
4Bulb holder of low beam bulb
5Bulb holder of high beam bulb
6Bulb socket for parking and standing
lamp bulbLow beam bulb
Turn housing cover1 counterclock-
wise and remove it.
Turn bulb holder4 with the bulb coun-
terclockwise and remove it.
Pull the bulb at its socket out of bulb
holder4.
Insert the new bulb so that its socket
locates in the recess of bulb holder4
and is level to it.
Reinsert bulb holder4 with the bulb in
the lamp and turn clockwise.
Align housing cover1 and turn it
clockwise.High beam bulb
Turn housing cover2 counterclock-
wise and remove it.
Turn bulb holder5 with the bulb coun-
terclockwise and remove it.
Pull the bulb at its socket out of bulb
holder5.
Insert the new bulb so that its socket
locates in the recess of bulb holder5
and is level to it.
Reinsert bulb holder5 w i t h t h e b u l b i n
the lamp and turn clockwise.
Align housing cover2 and turn it
clockwise.
Page 389 of 474
388 Practical hintsReplacing bulbsFront turn signal lamp bulb
Turn bulb socket3 counterclockwise
and remove it.
Press gently onto the bulb and turn
counterclockwise out of bulb
socket3.
Press the new bulb gently into bulb
socket3 and turn clockwise until it
engages.
Place bulb socket3 back into the
lamp and turn it clockwise.Parking and standing lamp bulb
Turn housing cover2 counterclock-
wise and remove it.
Pull out bulb socket6 with the bulb.
Pull the bulb out of bulb socket6.
Press the new bulb into bulb socket6.
Press bulb socket6 back into the
lamp.
Align housing cover2 and turn it
clockwise.Bi-Xenon* headlamps
Warning!
G
Do not remove the cover
1
for the
Bi-Xenon headlamp. Because of high voltage
in Bi-Xenon lamps, it is dangerous to replace
the bulb or repair the lamp and its compo-
nents. We recommend that you have such
work done by a qualified technician.
Page 390 of 474
389 Practical hints
Replacing bulbs
Left headlamp, mirror-image of right
headlamp1Housing cover for Bi-Xenon headlamp
2Housing cover for high beam flasher,
parking and standing lamp3Bulb socket for turn signal lamp
4Bulb holder for high beam flasher
5Bulb socket for parking and standing
lamp bulb
High beam bulb for high beam flasher
Turn housing cover2 counterclock-
wise and remove it.
Turn bulb holder4 with the bulb coun-
terclockwise and remove it.
Pull the bulb at its socket out of bulb
holder4.
Insert the new bulb so that its socket
locates in the recess of bulb holder4
and is level to it.
Reinsert bulb holder4 w i t h t h e b u l b i n
the lamp and turn clockwise.
Align housing cover2 and turn it
clockwise.
Front turn signal lamp bulb
Turn bulb socket3 with the bulb
counterclockwise and remove it.
Press gently onto the bulb and turn
counterclockwise out of bulb
socket3.
Press the new bulb gently into bulb
socket3 and turn clockwise until it
engages.
Place bulb socket3 back into the
lamp and turn it clockwise.
Page 391 of 474
390 Practical hintsReplacing bulbsParking and standing lamp bulb
Turn housing cover2 counterclock-
wise and remove it.
Pull out bulb socket5 with the bulb.
Pull the bulb out of bulb socket5.
Press the new bulb into bulb socket5.
Press bulb socket5 back into the
lamp.
Align housing cover2 and turn it
clockwise.Side marker lamp bulb
Carefully slide the lamp towards the
rear in direction of arrows.
Remove the front end first.
Turn the bulb socket with the bulb
counterclockwise and remove it.
Pull the bulb out of the bulb socket.
Insert the new bulb into the bulb sock-
et.
Place the bulb socket back into the
lamp and turn it clockwise.
To reinstall the lamp, set the rear end in
the bumper and let the front end en-
gage.
Replacing bulbs for rear lamps
Before you start to replace a bulb for a rear
lamp, do the following first:
Turn the exterior lamp switch to
positionM (
page 110).
Tail lamp unit
1Trim panel
2Latch
Open the trunk lid.
Turn latches1 on respective trim
panel2 clockwise.
Fold trim panel2 to the side.
Page 392 of 474
391 Practical hints
Replacing bulbs
3Tab
4Bulb socket for side marker lamp bulb
Press tabs3 together.
Remove the bulb carrier.
Press gently onto the respective bulb
and turn counterclockwise out of its
bulb socket.
Press the new bulb gently into its bulb
socket and turn clockwise until it en-
gages.5Brake lamp bulb
6Backup lamp bulb
7Turn signal lamp bulb
8Rear fog lamp bulb (only driver’s side),
tail, parking and standing lamp
Reinstall the bulb carrier.
Let tabs3 engage.
Reinstall trim panel2.
Turn latches1 counterclockwise.Side marker lamp
The bulb socket for the side marker lamp
bulb is located between the bulb carrier
and the vehicle’s body.
Open the trunk lid.
Turn latches1 on respective trim
panel2 clockwise.
Fold trim panel2 to the side.
Pull bulb socket4 with the bulb out of
its holder.
Pull the bulb out of bulb socket4.
Press the new bulb into bulb socket4.
Press bulb socket4 back into its
holder.
Reinstall trim panel2.
Turn latches1 counterclockwise.
