Attaching a roof luggage rack
WARNING Risk of accident due to exceeding the maximum roof load
The vehicle centre of gravity and the usual driving characteristics as well as the steering and braking characteristics alter.
If you exceed the maximum roof load, the driving characteristics, as well as steering and braking, will be greatly impaired.
Never exceed the maximum roof load and adjust your driving style.
You will find information on the maximum roof load in the "Technical data" section in the printed Owner's Manual.
NOTE Vehicle damage from non-approved roof luggage racks
The vehicle could be damaged by roof luggage racks that have not been tested and approved for Mercedes-Benz.
Use only roof luggage racks tested and approved for Mercedes-Benz.
Depending on the vehicle equipment, ensure that the sliding sunroof can be fully raised when the roof luggage rack is fitted.
Depending on the vehicle equipment, ensure that the boot lid can be fully opened when the roof luggage rack is fitted.
Position the load on the roof luggage rack in such a way that the vehicle will not sustain damage even when it is in motion.
NOTE Damage to the panorama sliding sunroof due to non-approved roof luggage racks
The panorama sliding sunroof may be damaged by the roof luggage rack if you attempt to open it when using a roof luggage rack not tested and approved for Mercedes-Benz.
When a roof luggage rack is fitted, open the panorama sliding sunroof only if this has been tested and approved for Mercedes-Benz.
The panorama sliding sunroof may be raised to allow ventilation of the vehicle interior.
NOTE Damage to the covers
The covers may be damaged and scratched when being opened.
Do not use metallic or hard objects.
Carefully fold covers 
upwards in the direction of the arrow.
upwards in the direction of the arrow. Secure the roof luggage rack to the fastening points beneath covers .
. Comply with the installation instructions of the roof luggage rack manufacturer.
Secure the load on the roof luggage rack.
Folding the rear seat backrest forwards
WARNING Risk of becoming trapped when adjusting the seats
When you adjust a seat, you may trap yourself or a vehicle occupant.
When adjusting a seat, make sure that no one has any body parts in the sweep of the seat.
WARNING Risk of accident if the seat and seat backrest are not engaged
The seat and seat backrest can fold forwards.
There is a risk of the following, in particular:
The vehicle occupant may be pressed against the seat belt. The seat belt cannot protect as intended and could cause additional injury.
A child restraint system is no longer properly supported or positioned and can no longer fulfil its function as intended.
The seat backrest cannot restrain objects or goods in the load compartment.
Always ensure that the seat and seat backrest are engaged, in particular:
Before persons travel in the vehicle while sitting on a seat with the easy entry and exit feature
After you have adjusted the seat
After the easy entry and exit feature has been used
After the load compartment enlargement has been folded forwards
Always ensure that all vehicle occupants have their seat belts fastened correctly and are sitting properly. Particular attention must be paid to children.
If you no longer require the folded-down rear seat backrest as a load area, fold the backrest back into place.
Make sure that the red marking of the lock verification indicator is no longer visible. Otherwise, the seat backrest will not be locked.
Folding the rear seats forwards mechanically
NOTE Damage to the roof lining when the rear seat backrests are folded forwards and backwards
The roof lining could be damaged when the seat backrests are folded forwards and backwards.
Before you fold the seat backrests forwards and backwards, insert the head restraints.
Press the seat belt tongue of seat belt into marked position 
.
into marked position . 
Move the driver's or front passenger seat forwards, if necessary.
To fold the left and right seat backrests forwards:
insert the head restraints for the seat backrests More. Pull release lever .
. Fold the corresponding seat backrest forwards.
Fold the rear seat armrest back if necessary.
To fold the centre seat backrest forwards:
press release catch 
. Fold the seat backrest forwards.
forwards. Observe the following recommendations:
If you wish to fold only one of the outer seat backrests forwards, it is recommended that you fold the right seat backrest forwards.
If you wish to fold one of the outer seat backrests forwards together with the centre seat backrest, it is recommended that you fold the left and centre seat backrests forwards.
Folding back the rear seat backrest
WARNING Risk of becoming trapped when adjusting the seats
When you adjust a seat, you may trap yourself or a vehicle occupant.
When adjusting a seat, make sure that no one has any body parts in the sweep of the seat.
WARNING Risk of accident if the rear bench seat, rear seat and seat backrest are not engaged
The rear bench seat, rear seat and seat backrest may fold forwards, even while the vehicle is in motion.
As a result, the vehicle occupant will be pressed into the seat belt with increased force. The seat belt will not be able to protect as intended and could cause additional injury.
Objects or loads in the boot or load compartment cannot be restrained by the seat backrest.
Make sure that the rear bench seat, the rear seat and the seat backrest are engaged before every trip.
NOTE Damage caused by trapping the seat belt when the seat backrest is folded back
The seat belt could become trapped and thus damaged when the seat backrest is folded back.
Ensure that the seat belt tongue has been inserted at the side in the marked position.
NOTE Damage to the roof lining when the rear seat backrests are folded forwards and backwards
The roof lining could be damaged when the seat backrests are folded forwards and backwards.
Before you fold the seat backrests forwards and backwards, insert the head restraints.
Folding back the rear seat mechanically
Move the driver's or front passenger seat forwards, if necessary.
Swing seat backrest back until it engages.
back until it engages. Make sure that the red marking of the lock verification indicator is no longer visible. Otherwise, the seat backrest will not be locked.
Opening or closing the stowage space under the load compartment floor
WARNING Risk of injury due to an open load compartment floor
If you drive with the load compartment floor open, objects could be flung around and hit vehicle occupants as a result. There is a risk of injury, particularly in the event of sudden braking or a sudden change in direction.
Always close the load compartment floor before a journey.
Opening
Holding the ribbing, press handle downward .
downward . Handle will flip up.
Swing the load compartment floor upward using handle and hold it in place.
and hold it in place. 
Pull rod from the bracket on the underside of the load compartment floor and turn it as far as it will go.
from the bracket on the underside of the load compartment floor and turn it as far as it will go. 
Position rod in the corner of load compartment floor 
.
in the corner of load compartment floor . Closing
Remove rod from the corner of load compartment floor .
from the corner of load compartment floor . Fasten rod to the bracket on the underside of the load compartment floor.
to the bracket on the underside of the load compartment floor. Fold the load compartment floor down.
Press the load compartment floor down until it engages.
Extending and retracting the ball neck fully electrically
WARNING Risk of accident due to the ball neck not being engaged
If the ball neck is not engaged, the trailer may come loose.
Make sure that the ball neck securely engages and locks into place.
NOTE Damage to the all-electric trailer hitch due to additional pressure
The all-electric trailer hitch could be mechanically damaged by applying additional pressure when the ball neck is being extended or retracted.
Do not make the ball neck extend/retract faster by applying additional pressure.
Requirements:
The vehicle is secured against rolling away.
The swivel range is clear.
The trailer cables or adapter plugs have been removed.
Extending the ball neck fully electrically
To extend:
pull button . Indicator lamp will flash and the message Trailer coupling extending… will appear on the multifunction display.
The ball neck will extend fully electrically.
Wait until the ball neck has locked in place.
When indicator lamp is continuously lit, the ball neck is securely locked in place.
If the ball neck is not securely locked in place, indicator lamp will flash and the message Check trailer hitch lock will appear on the multifunction display.
Retracting the ball neck fully electrically
Pull button .
. Indicator lamp will flash and the message Trailer coupling extending… will appear on the multifunction display.
The ball neck will retract fully electrically.
Wait until the ball neck has locked in place.
When indicator lamp goes out, the ball neck is securely locked in place.
If the ball neck is not securely locked in place, indicator lamp will flash and the message Check trailer hitch lock will appear on the multifunction display.
Overview of the tie-down eyes in the load compartment
Observe the notes on loading the vehicle More.
Overview of the front stowage compartments
WARNING Risk of injury due to objects being stowed incorrectly
If objects in the vehicle interior are stowed incorrectly, they can slide or be thrown around and hit vehicle occupants. In addition, cup holders, open stowage spaces and mobile phone receptacles cannot always retain all objects within.
There is a risk of injury, particularly in the event of sudden braking or a sudden change in direction.
Always stow objects so that they cannot be thrown around in such situations.
Always make sure that objects do not protrude from stowage spaces, luggage nets or stowage nets.
Close the lockable stowage spaces before starting a journey.
Always stow and secure heavy, hard, pointed, sharp-edged, fragile or bulky objects in the boot/load compartment.
Observe the notes on loading the vehicle.
Locking/unlocking the glove compartment
WARNING Risk of injury due to objects being stowed incorrectly
If objects in the vehicle interior are stowed incorrectly, they can slide or be thrown around and hit vehicle occupants. In addition, cup holders, open stowage spaces and mobile phone receptacles cannot always retain all objects within.
There is a risk of injury, particularly in the event of sudden braking or a sudden change in direction.
Always stow objects so that they cannot be thrown around in such situations.
Always make sure that objects do not protrude from stowage spaces, luggage nets or stowage nets.
Close the lockable stowage spaces before starting a journey.
Always stow and secure heavy, hard, pointed, sharp-edged, fragile or bulky objects in the boot/load compartment.
Observe the notes on loading the vehicle.
Turn the emergency key a quarter turn clockwise 
(to lock) or anti-clockwise 
(to unlock).
(to lock) or anti-clockwise (to unlock).