
Marks on the glass tube reduce the service
life of the bulbs. Do not touch the glass tube
with your bare hands. If necessary, clean the
glass tube when cold with alcohol or spirit and
rub it off with a lint-free cloth.
Protect bulbs from moisture during opera-
tion. Do not allow bulbs to come into contact
with liquids.
Replace only the bulbs listed (
Ypage 124).
Have the bulbs that you cannot replace your-
self changed at a qualified specialist work-
shop.
If you require assistance changing bulbs, con-
sult a qualified specialist workshop.
If the new bulb still does not light up, consult
a qualified specialist workshop.
Bulbs and lamps are an important aspect of
vehicle safety. You must therefore make sure
that these function correctly at all times.
Have the headlamp setting checked regularly.
Vehicles with static LED headlamps
The front and rear light clusters of your vehi-
cle are equipped with LED light bulbs. Do not
replace the bulbs yourself. Contact a qualified
specialist workshop which has the necessary
specialist knowledge and tools to carry out
the work required.
Lamps are an important aspect of vehicle
safety. You must therefore make sure that
these function correctly at all times. Have the
headlamp setting checked regularly.
Overview: changing bulbs/bulb types
You can change the following bulbs. The bulb
type can be found in the legend.
Static LED headlamps
:
High-beam headlamp: H7 55 W
;Turn signal lamp: PSY 24 W
Changing the front bulbs
High-beam headlamps (static LED head-
lamps)
XSwitch off the lights.
XOpen the hood.
XTurn housing cover :counter-clockwise
and pull it out.
XUsing the handle extension, turn bulb
holder ;counter-clockwise and pull it out.
XTake the bulb out of bulb holder ;.
XInsert the new bulb into bulb holder ;.
XInsert bulb holder;into the lamp and turn
it clockwise.
XAlign housing cover :and turn it clock-
wise until it engages.
124Replacing bulbs
Lights and windshield wipers

Turn signal (static LED headlamps)
XSwitch off the lights.
XOpen the hood.
XTurn housing cover:counter-clockwise
and pull it out.
XTurn bulb holder ;counter-clockwise and
pull it out.
XTake the bulb out of bulb holder ;.
XInsert the new bulb into bulb holder ;.
XInsert bulb holder;into the lamp and turn
it clockwise.
XAlign housing cover :and turn it clock-
wise until it engages.
Windshield wipers
Switching the windshield wipers
on/off
1$ Windshield wiper off
2ÄIntermittent wipe, low (rain sensor
set to low sensitivity)
3Å Intermittent wipe, high (rain sensor
set to high sensitivity)
4° Continuous wipe, slow
5¯Continuous wipe, fast
BíSingle wipe
î To wipe with washer fluid
If the wiper blades are worn, the windshield
will no longer be wiped properly. This could
prevent you from observing the traffic condi-
tions.
Switching the rear window wiper on/
off
:è Switch
2ôWipes with washer fluid
3ISwitches on intermittent wiping
40 Switches off intermittent wiping
5ô Wipes with washer fluid
XTurn the SmartKey to position 1or 2in the
ignition lock.
XTurn switch :on the combination switch
to the corresponding position.
When the rear window wiper is switched on,
a symbol appears in the assistance graphic in the instrument cluster.
Replacing the wiper blades
Important safety notes
GWARNING
If the windshield wipers begin to move while
you are changing the wiper blades, you could
Windshield wipers125
Lights and windshield wiper s
Z

Under the following circumstances, the rear
view camera will not function, or will function
in a limited manner:
Rif the trunk lid or tailgate is open
Rin heavy rain, snow or fog
Rat night or in very dark places
Rif the camera is exposed to very bright light
Rif the area is lit by fluorescent bulbs or LED
lighting (the display may flicker)
Rif there is a sudden change in temperature,
e.g. when driving into a heated garage in
winter
Rif the camera lens is dirty or obstructed.
Observe the notes on cleaning
(
Ypage 268)
Rif the rear of your vehicle is damaged. In this
event, have the camera position and setting
checked at a qualified specialist workshop
The field of vision and other functions of the
rear view camera may be restricted due to
additional accessories on the rear of the vehi-
cle (e.g. license plate holder, bicycle rack).
On vehicles with height-adjustable chassis,
leaving the standard height can result in inac-
curacies in the guide lines, depending on
technical conditions.
iThe rear view camera is protected from
raindrops and dust by means of a flap.
When the rear view camera is activated,
this flap opens.
The flap closes again when:
Ryou have finished the maneuvering proc-
ess
Ryou switch off the engine
Ryou open the trunk
Observe the notes on cleaning
(
Ypage 268).
For technical reasons, the flap may remain
open briefly after the rear view camera has
been deactivated.
!Objects not at ground level may appear to
be further away than they actually are, e.g.:
Rthe bumper of a parked vehicle
Rthe drawbar of a trailer
Rthe ball coupling of a trailer tow hitch
Rthe rear section of an HGV
Ra slanted post
Use the guidelines only for orientation.
Approach objects no further than the bot-
tom-most guideline.
The rear view camera may show a distorted
view of obstacles, show them incorrectly or
not at all. The rear view camera does not show
objects in the following positions:
Rvery close to the rear bumper
Runder the rear bumper
Rin the area immediately above the tailgate
handle
Activating/deactivating the rear view
camera
XTo activate: make sure that the SmartKey
is in position 2in the ignition lock.
XMake sure that the Activation by R
gearfunction is selected in Audio 20 or
COMAND, see the Digital Operator's Man-
ual.
XEngage reverse gear.
The rear view camera flap opens. The area
behind the vehicle is shown with guide lines
in the Audio 20 or COMAND display.
The image from the rear view camera is
available throughout the maneuvering
process.
To deactivate: the rear view camera deacti-
vates if you shift the transmission to Por after
driving forwards a short distance.
172Driving systems
Driving and parking

Rif the trunk lid/tailgate is open
Rin heavy rain, snow or fog
Rat night or in very dark places
Rif the cameras are exposed to very bright
light
Rif the area is lit by fluorescent bulbs or LED
lighting (the display may flicker)
Rif there is a sudden change in temperature,
e.g. when driving into a heated garage in
winter
Rif the camera lenses are dirty or covered
Rif the vehicle components in which the
cameras are installed are damaged. In this
event, have the camera position and setting
checked at a qualified specialist workshop.
Do not use the 360° camera in this case. You
can otherwise injure others or cause damage to objects or the vehicle.
Guide lines are always shown at road level.
On vehicles with height-adjustable chassis,
depending on technical conditions, leaving
the standard height can result in:
Rinaccuracies in the guide lines
Rinaccuracies in the display of generated
images (top view)
Activation conditions
The 360° camera image can be displayed if:
Ryour vehicle is equipped with a 360° cam-
era
Rthe SmartKey is in position 2in the ignition
lock
RCOMAND/Audio 20 is switched on
Rthe 360° Camerafunction is switched on
Switching on the 360° camera
XPress the Øbutton in the center con-
sole for longer than two seconds.
Depending on whether position Dor Ris
engaged, the following is shown:
Ra split screen with top view and the
image from the front camera or
Ra split screen with top view and the
image from the rear view camera
or
XPress the Øbutton in the center con-
sole.
The vehicle menu is displayed.
XSelect 360° Cameraand press 7to con-
firm.
Depending on whether position Dor Ris
engaged, the following is shown:
Ra split screen with top view and the
image from the front camera or
Ra split screen with top view and the
image from the rear view camera
Activating the 360° camera using
reverse gear
The 360° camera images can be automati-
cally displayed by engaging reverse gear.
XMake sure that the SmartKey is in position
2 in the ignition lock.
XMake sure that the Activation by R
gearfunction is selected in COMAND/
Audio 20 (see the separate COMAND/
Audio 20 operating instructions).
XTo show the 360° camera image: engage
reverse gear.
The area behind the vehicle is shown in the
COMAND/Audio 20 display in split-screen
mode. You see the top view of the vehicle
and the image from the rear view camera.
Selecting the split-screen and full
screen displays
Switching between split screen views
XTo switch to the line with the vehicle icons:
slide 5the controller.
XTo select one of the vehicle icons: turn
3 the controller.
174Driving systems
Driving and parking