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 and injury if the rear bench seat/rear seat and seat backrest are not engaged
Rear bench seat, rear seat and seat backrest can fold forwards.
As a result, the vehicle occupant is pressed against the seat belt. The seat belt cannot perform its intended protective function and could cause additional injuries.
Objects or loads in the boot 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.
If the left seat backrest is not engaged and locked in place, this will be shown on the multifunction display on the instrument cluster. If the centre seat backrest is not engaged and locked in place, the red lock verification indicator will be visible.
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 seat backrest as a loading area, fold the backrest back into place.
Requirements:
The area into which the seat backrest is folded is clear.
The rear seat backrest head restraints are fully inserted.
To fold the centre seat backrest forwards: the centre seat backrest has been unlocked.
The armrest on the second row of seats is folded back and the cup holders are empty.
Folding the left and right seat backrests forwards
You can fold the centre and outer seat backrests forwards separately.
Vehicles without a memory function: move the driver's or front passenger seat forwards, if necessary.
Vehicles with a memory function: if at least one section of the rear seat backrest is folded forwards, the corresponding front seat will move forwards slightly, if necessary, to avoid a collision.
If necessary, fully insert the head restraints in the rear seat backrest.
Pull release lever .
. The corresponding seat backrest will fold forwards.
Folding the centre seat backrest forwards
Pull release catch 
for seat backrest 
forwards.
for seat backrest forwards. Fold the corresponding seat backrest 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 and injury if the rear bench seat/rear seat and seat backrest are not engaged
Rear bench seat, rear seat and seat backrest can fold forwards.
As a result, the vehicle occupant is pressed against the seat belt. The seat belt cannot perform its intended protective function and could cause additional injuries.
Objects or loads in the boot 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.
If the left seat backrest is not engaged and locked in place, this will be shown on the multifunction display on the instrument cluster. If the centre seat backrest is not engaged and locked in place, the red lock verification indicator will be visible.
NOTE Damage caused by trapping the seat belt when folding back the seat backrest
The seat belt could become trapped and thus be damaged when the seat backrest is folded back.
Make sure that the seat belt is not trapped when folding back the seat backrest.
Vehicles without a memory function: move the driver's or front passenger seat forwards, if necessary.
Vehicles with a memory function: if at least one section of the seat backrest is folded back, the corresponding front seat will automatically return to the most recent original position.
Fold the corresponding seat backrest back until it engages.
back until it engages. Left and right seat backrests: if the seat backrest is not engaged and locked in place, this will be shown on the multifunction display on the instrument cluster.
Centre seat backrest: if the seat backrest is not engaged and locked in place, the red lock verification indicator will be visible.
Opening the stowage space under the boot floor
NOTE Damage to the handle in the boot floor
If the handle in the boot is left protruding, the handle may be damaged.
Before closing the boot lid, detach the handle and press it down closed again.
The stowage space under the boot floor is available for all vehicles except hybrid vehicles.
Pull handle up and hook it into drip rail .
up and hook it into drip rail . 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.
NOTE Increased risk of damage to property due to folded-out ball neck
When the trailer is not coupled or the bicycle rack is attached, fold in the ball neck or, in the case of a fully electric trailer hitch, retract the ball neck.
NOTE Damage to the vehicle due to incorrect use of the trailer hitch
When the vehicle is recovered by being pulled out with the trailer hitch, this can damage the vehicle.
Use the trailer hitch only for pulling a trailer or attaching approved carrier systems (e.g. a bicycle rack).
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
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
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).