The seat belt should:
R fit snugly across your body
R be routed across the middle of your shoul-
der
R be routed across your hips in the pelvic
area
X Before starting off, adjust the rear-view mir-
ror and the exterior mirrors so that you
have agood view of road and traffic condi-
tions (Y page 136).
X Vehicles with amemor yfunction: save
the seat, steerin gwheel and exterior mirror
settings with the memory function
(Y page 139). Seats
Important safety notes
G
WARNING
If children adjust the seats, they could
become trapped, especially if they are unat-
tended. There is arisk of injury.
When leaving the vehicle, alway stake the key
with you and lock the vehicle. Never leave
children unattended in the vehicle.
The seats can still be adjusted when there is
no key in the ignition lock. G
WARNING
The head restraints cannot provide the inten-
ded protection unless they are fitted and
adjusted correctly. There is an increased risk of injury to the head and neck in the event of
an accident or sudden braking, for example.
Always drive with the head restraints fitted.
Ensure that the centre of the head restraints
support the back of each vehicle occupant's
head at eye level before driving off.
Observe the safety notes on "Airbags"
(Y page 50) and "Children in the vehicle"
(Y page 58). G
WARNING
You could lose control of the vehicle while
driving if you:
R adjust the driver's seat, steerin gwheel or
mirrors
R fasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirrors and fasten your seat
belt before starting the engine. G
WARNING
If you adjust the seat height carelessly, you or other vehicle occupant scould be trapped and
thereby injured. Children in particular could
accidentally press the electrical seat adjust-
ment button sand become trapped. There is a
risk of injury.
While moving the seats, make sure that your
hands or other body parts do not get under the
lever assembly of the seat adjustmen tsys-
tem. G
WARNING
When adjusting aseat, you or another vehicle
occupant could become trapped by the guide rail of the seat, for instance. There is arisk of
injury.
Make sure that no one has any part of their
body within the sweep of the seat when
adjusting it.
! To avoid damage to the seats and the seat
heating, observe the following information:
R do not spill any liquids on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat
heating should also not be used to dry
the seats.
R clean the seat covers as recommended;
see "Interior care".
R do not transport heavy loads on the
seats. Do not place sharp object sonthe Seats
123Seats, steering wheel and mirrors Z
The blue
Kindicator lamp in the instru-
ment cluster lights up when the main-beam headlamps are switched on.
X To deactivate: move the combination
switch back to its normal position.
The blue Kindicator lamp in the instru-
ment cluster goes out.
Vehicles with Adaptive Highbeam Assist
Plus: when Adaptive Highbeam Assist Plus is
activated, it automatically controls activation
and deactivation of the main-beam head-
lamps (Y page 147).
Headlam pflasher X
To switch on: turn the key in the ignition
lock to position 1or 2,ors tart the engine.
X Pull the combination switch in the direction
of arrow =. Hazard warning lamps
X
To switch on the hazard warning lamps:
press button :.
All turn signals flash. If you now switch on a turn signal using the combination switch,
only the turn signal lamp on the corre-
sponding side of the vehicle will flash.
X To switch off the hazard warning lamps:
press button :. The hazard warning lamps switch on auto-
matically if:
R an airbag is deployed or
R the vehicle decelerates rapidly from a
speed of above 70 km/ha nd comes to a
standstill
The hazard warning lamps switch off auto-
matically if the vehicle reaches aspeed of
above 10 km/ha gain afterafull brake appli-
cation.
i The hazard warning lamps continue to
operate even if the ignition is switched off. Intelligent Light System
General notes The Intelligent Light System is
asystem that
adjusts the headlamps automatically to suit
the prevailing driving and weather conditions.
It offers advanced functions for improved illu-
mination of the road surface, e.g. depending
on the vehicle speed or weather conditions.
The system includes the active light function, cornering light function, motorway mode and
extended range foglamps. The system is only active when it is dark.
You can activate or deactivate the "IntelligentLight System" function using the on-board
computer (Y page 290).
Active light function The active light function is
asystem that
moves the headlamps according to the steer-
ing movements of the front wheels. In this Exterior lighting
145Lights and windscreen wipers Z
Problem
Possible causes/consequences and
M
MSolutions ֌
The yellow ESP
®
and
ESP ®
OFF warning
lamps are lit while the
engine is running. ESP
®
,B AS ,BAS PLUS with Cross-Traffic Assist ,COLLISION PRE-
VENTION ASSIST PLUS, PRE-SAFE ®
,P RE-SAFE ®
PLUS,
PRE‑SA FE®
Brake, the HOLD function, hill start assist, ESP ®
trailer
stabilisation and the adaptive brake lights are unavailabl edue to a
malfunction.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distanc emay thus increase in an emergenc ybraking
situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Consult aqualified specialist workshop. 6
The red restraint sys-
tem warning lamp is lit
while the engine is run-
ning.
The restraint system is faulty.
G WARNING
The airbags or belt tensioners may either be triggered uninten-
tionally or, in the event of an accident ,may not be triggered.
This poses an increased risk of injury.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Have the restraint system checked immediately at aqualified
specialist workshop.
Observe the additional information on the restraint system
(Y page 44). Warning and indicator lampsint
he instrument cluster
335On-board computer and displays Z
!
Please note the care instructions in the
trailer coupling manufacturer's operating
instructions. The ball coupling must be cleaned if it
becomes dirty or corroded.
X Remove rust, e.g. with awire brush.
X Remove dirt with aclean, lint-free cloth or a
brush.
X After cleaning, lightly oil or grease ball cou-
pling :.
X Check that the vehicle's trailer tow hitch is
working properly.
i You can also have the maintenance work
on the ball coupling and the trailer tow hitch
carried out by aqualified specialist work-
shop. Interior care
Cleaning the display !
For cleaning, do not use any of the fol-
lowing:
R alcohol-based thinner or petrol
R abrasive cleaning agents
R commercially-available householdc lean-
ing agents
These may damage the displays urface. Do
not put pressure on the displays urface
when cleaning. This could lead to irrepara-
ble damage to the display. X
Before cleaning the display, make sure that
it is switched off and has cooled down.
X Cleant he displays urface using acommer-
cially available microfibre cloth and
TFT/LCD displayc leaner.
X Dry the displays urface usingadry micro-
fibre cloth.
Cleaning the plastic trim G
WARNING
Care products and cleaning agents containing solvents can cause surfaces in the cockpit to
become porous. This could result in plastic
parts breaking awayw hen the airbags are
deployed. There is adanger of injury.
Do not use care products and cleaning agents containing solvents to clean the cockpit.
! Do not affix the following to plastic surfa-
ces:
R stickers
R films
R scented oil bottles or similari tems
You could otherwise damage the plastic.
! Do not allowc
osmetics, insect repellent
or sunscreen to come in contact with the
plastic trim. This maintains the high-quality look of the surfaces.
X Wipe the plastic trim with adamp, lint-free
cloth, e.g. amicrofibre cloth.
X Heavy soiling: use car care and cleaning
products recommended and approved by
Mercedes-Benz.
The surface may change colour tempora-
rily. Wait until the surface is dry again.
Cleaning the steering wheela nd gear or
selector lever X
Thoroughlyw ipe withadamp cloth or use
leather care agents that have been recom-
mended and approved by Mercedes-Benz. Care
391Maintenance and care Z