Page 257 of 314

Replacing bulbs
256
>> Practical hints. Notes on bulb replacement
• Only use bulbs of the same type and with the
specified watt rating.
• Switch the lights off before replacing a bulb
to prevent short circuits.
• Always use a clean lintfree cloth when
handling bulbs.
• Your hands should be dry and free of oil and
grease.
• Avoid touching the glass of the bulb with
bare fingers.
• If the newly installed bulb does not come on,
contact an authorized smart center.
• Have the bulbs for the front fog lamps*
replaced at an authorized smart center.
Replacing bulbs for front lampsBefore you start to replace a bulb for a front
lamp, do the following first:
>Turn the exterior lamp switch to
positionM (
page 101).
>Switch off the ignition.
>Open the service flap (
page 176)
Left headlamp, (right headlamp in reverse)
1
Bulb socket for parking, and side marker
lamp
2
Bulb socket for turn signal lamp
3
Low beam headlamp cover
4
High beam headlamp coverParking and sidemarker lamp bulb
>Removing:
Driver side: Turn bulb socket
1 toward the
outside.
Passenger side: Turn bulb socket1 toward
the outside.
>Pull bulb socket
1 out of the headlamp
housing.
>Pull the bulb out of bulb socket
1.
> Installing: Insert the new bulb into bulb
socket
1.
>Insert bulb socket
1 into the headlamp
housing.
>Driver side: Turn bulb socket
1 toward the
inside.
Passenger side: Turn bulb socket1 toward
the inside. P82.10483631
Page 258 of 314

Replacing bulbs
>> Practical hints.
257
Low beam headlamp bulb
>Removing: Take off low beam headlamp
cover
3.
>Detach the electrical connector.
>Bend the retainer spring end down and
forward until it unclips. Fold the retainer
spring back.
>Pull the bulb out of the headlamp housing.
>Installing: Insert the new bulb into the
headlamp housing.
>Fold the retainer spring forward.
Bend the retainer spring end forward then
up and back to clip in.
>Attach the electrical connector.
>Reinstall low beam headlamp cover
3.High beam headlamp bulb
>Removing: Take off high beam headlamp
cover
4.
>Detach the electrical connector.
>Tilt the bulb socket down and pull it out.
>Pull the bulb out of the bulb socket.
>Installing: Insert the new bulb into the bulb
socket.
>Fit the bulb so that the retaining lug of the
base plate is pointing up.
>Press the bulb into the bulb socket until it
is fully engaged.
>Attach the electrical connector.
>Reinstall high beam headlamp cover
4.Front turn signal lamp bulb
>Removing: Turn bulb socket
2 counter
clockwise by a quarter of turn and pull it out
of the headlamp housing.
>Press gently onto the bulb and turn it
counterclockwise.
>Pull the bulb out of bulb socket2.
>Installing: Insert the new bulb into bulb
socket
2.
>Press gently onto the bulb and turn it
clockwise.
>Insert bulb socket
2 into the headlamp
housing.
The arrow on bulb socket
2 mu st be in l in e
with the line on the headlamp housing.
>Turn bulb socket
2 clockwise by a quarter
of turn.
Page 259 of 314

Replacing bulbs
258
>> Practical hints. Side turn signal lamp bulb
>Removing: Open the door on the corre
sponding side.
1
Retaining lug
>Press on retaining lug
1 in the direction of
the arrow until the side turn signal lamp
housing disengages.
>Use a suitable tool to loosen the side turn
signal lamp housing from the fender.
>Turn the bulb socket counterclockwise and
pull it out out of the side turn signal lamp
housing.
>Pull the bulb out of the bulb socket.>Installing: Insert the new bulb into the bulb
socket.
>Insert the bulb socket into the side turn
signal lamp housing and turn the bulb
socket clockwise.
>Fit the side turn signal lamp housing onto
the fender.
>Press gently onto the side turn signal lamp
housing.
The side turn signal lamp housing must
audibly engage.
Replacing bulbs for rear lampsBefore you start to replace a bulb for a rear
lamp, do the following first:
>Turn exterior lamp switch to positionM
(
page 101).
>Switch off the ignition.
Tail lamp unit
>Removing:
Coupé:
>Open the upper tailgate.
>Open the lower tailgate.
Cabrio:
>Open the lower tailgate
>Open the rear soft top (
page 89)
>Remove the side cover in the cargo
compartment on the corresponding side.
>Fold the damping material forward, if
necessary.
P82.10455631
Page 260 of 314
Replacing bulbs
>> Practical hints.
259
Left bulb carrier illustrated as example1
Retaining tab
2
Electrical connector
>Press retaining tab
1 in the center of the
bulb carrier upwards.
>Pull the bulb carrier out of the tail lamp
housing.Left bulb carrier with bulb sockets (right bulb
carrier in reverse)
1
Retaining tab
3
Brake, tail, turn signal, and sidemarker
lamp bulb
4
Backup lamp bulb
>Depending on which bulb needs to be
replaced, press gently onto bulb
3
or
4
and turn it counterclockwise.
>Pull the bulb out of the bulb socket.>Installing: Insert the new bulb into the bulb
socket.
>Press gently onto the bulb and turn it
clockwise until it engages.
>Insert the bulb carrier into the tail lamp
housing.
>Press gently onto the bulb carrier.
Let retaining tab
1 engage.
>Fold the damping material backward, if
necessary.
>Reinstall the side cover in the cargo com
partment.
P82.10452731
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Replacing bulbs
260
>> Practical hints. High mounted brake lamp
1
Retaining screws
2
High mounted brake lamp
3
Bulb socket
>Removing: Unscrew retaining screws
1.
>Remove high mounted brake lamp
2.
>Detach the electrical connector from bulb
socket
3.
>Turn the bulb counterclockwise and pull it
out of its socket.
>Installing: Install in the reverse order.License plate lamps
1
License plate lamp unit jacking point>Use a suitable tool to loosen the corre
sponding license plate lamp unit at jacking
point
1.
>Carefully unclip the license plate lamp unit.
2
Electrical connectors
3
Bulb
>Detach electrical connectors
2.
>Remove bulb
3.
>Insert the new bulb.
>Attach electrical connectors
2.
>Fit the license plate lamp unit on the right
and press gently on the left.
The license plate lamp unit must audibly
engage. P82.10483831
G
Warning!
High outside temperature, stopandgo
traffic, driving on long uphill grades, or
driving at high engine speed may increa
se the temperature in the engine com
partment. Therefore the area around the
air slots in the rear apron may be hot. Let
the engine cool off before touching this
area to prevent burns.
P82.10499931
Page 262 of 314
Replacing bulbs
>> Practical hints.
261 Replacing the interior lighting
You need a 12 V 10 W bulb.1
Electrical connector
2
Bulb
3
Mount>Removing: Use a flat object to pry the lamp
lens off from the passenger side.
>Detach electrical connector
1 from the
interior lamp.
>Remove bulb
2 from its mount
3.
>Installing: Insert the new bulb.
>Attach connector
1 to the interior lamp.
>Fit the lamp lens on the left in the opening
and press gently on the right.
The lamp lens must audibly engage. P82.20295531
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Replacing wiper blades
262
>> Practical hints.
About replacing wiper blades
!
Hold on to the wiper when folding the wiper
arm back. If released, the force of the impact
from the windshield wiper tensioning spring
could crack the windshield.
Do not allow the wiper arms to contact the
windshield glass without a wiper blade
inserted.
We recommend that you have this work carried
out at an authorized smart center.
To ensure proper visibility,
• it is vital that you have wiper blades that
are in perfect shape.
• clean the wiper blades regularly with a
cleaning agent.
• remove any tough dirt stains with a sponge
or brush.
Windshield wiper blades!
Do not pull on the wiper blade inserts.
They could tear.
>Remove the key from the starter switch.
>Fold the wiper arm away from the windshield
until it snaps into place.
1
Retaining springs
2
Detaching wiper blade
G
Warning!
For safety reasons, switch off the wipers
and remove the key from the starter
switch before replacing a wiper blade.
The windshield wipers could otherwise be
set in motion and cause injury.G
Warning!
Wiper blades are components that are
subject to wear and tear. Replace the
wiper blades at least twice a year, pref
erably in the spring and fall. Otherwise
the windows will not be properly wiped. As
a result, you may not be able to observe
surrounding traffic conditions and could
cause an accident.
Page 264 of 314

Replacing wiper blades
>> Practical hints.
263
>Removing: Press on retaining springs
1 on
both sides of the wiper blade.
>Fold the wiper blade away from the wiper
arm in the direction of arrow
2 and detach
it.
>Installing: Attach the new wiper blade and
fold it into a position parallel to the wiper
arm.
Retaining springs
1 must audibly engage
in the wiper arm.
>Fold the wiper arm backward to rest on the
windshield.
Make sure to hold on to the wiper when
folding the wiper arm back.
!
Make sure the wiper blades are properly
installed. Improperly installed wiper blades
may cause windshield damage.
Rear window wiper blade1
Wiper blade
2
Detaching wiper blade
>Removing: Fold the wiper arm away from the
rear window until you feel it engage.
>Fold wiper blade
1 away from the wiper
arm in the direction of arrow
2 until it
disengages from its mounting.
>Detach wiper blade
1.>Installing: Push the new wiper blade onto
the wiper arm until you feel it engage.
>Fold the wiper blade into a position parallel
to the wiper arm.
>Fold the wiper arm backward to rest on the
rear window.
Make sure to hold on to the wiper when
folding the wiper arm back.
!
Make sure the wiper blade is properly
installed. An improperly installed wiper blade
may cause rear window damage. P82.30260731