The doors and the boot lid can be locked or unlocked manually if the vehicle key or central locking
fails ⇒ Unlocking or locking the driver door manually⇒ Unlocking the boot lid manually.
If the turn signals do not flash as confirmation when you lock the vehicle:
•At least one of the doors or the boot lid is not closed.
•OR: convenience closing is in progress and not all windows have been closed.
Response when locking the vehicle with a second vehicle key
Keyless locking and starting system Keyless Access: Any vehicle key located inside the vehicle will
be blocked from starting the engine if the vehicle has been locked from the outside using a second
vehicle key. Press the button on the vehicle key in the vehicle interior to enable it to start the
engine ⇒ Starting and stopping the engine.
Automatic switch-off of the sensor surfaces
•The vehicle is not unlocked or locked for an extended period.
•A sensor has been triggered an excessive number of times.
Activating sensors again:
•Wait for a short period of time.
•OR: unlock the vehicle with the button on the vehicle key.
•OR: the boot lid is opened.
•OR: unlock the vehicle with the vehicle key ⇒ Doors.
It may not be possible to lock or unlock the vehicle using keyless access if the 12-volt vehicle
battery or button cell in the vehicle key is weak or discharged. The vehicle can be locked or
unlocked manually ⇒.
If there is no valid vehicle key in the vehicle or if it is not detected, a corresponding display
will be shown on the instrument cluster display. This may occur if the vehicle key is obstructed by
another radio signal or is covered by another item, e.g. a mobile telephone accessory or an
aluminium suitcase ⇒ Starting and stopping the engine.
The sensors may have limited functionality if they become very dirty.
Doors
Introduction
This chapter contains information on the followingsubjects:
⇒ Display
⇒ Childproof lock
⇒ Unlocking or locking the driver door manually
⇒ Locking the front passenger door and rear doors manually
If, for example, the vehicle key or central locking fails, the doors, boot lid and tilting and sliding
panoramic sunroof can be locked and, with some exceptions, unlocked manually.
Please note that the sensors in the door handles can be activated by a powerful jet of
water or steam if a valid vehicle key is simultaneously within its operating range. If at least
one window is open and the sensors in a door handle are continuously activated, all
windows will close. It is possible that all windows will open if the jet of water or steam is
moved away from the door handle sensors briefly and then moved back onto them
⇒ Locking and unlocking the vehicle with keyless access.
NOTICE
Any door that is not properly closed could open suddenly while the vehicle is in motion.
This could lead to severe injuries.
•Stop as soon as possible and close the door.
•Ensure that the door is closed properly and that the lock has engaged. The closed door
must be flush with the surrounding body panels.
•Doors should only be opened or closed when you are sure there is no-one in their path.
WARNING
Any door being held open by the door arrester could close unexpectedly in strong winds
or if the vehicle is on a slope. This could lead to injuries.
•Always keep a good grip on the handle when opening and closing doors.
WARNING
Display
First read and observe the introductoryinformation and safety warnings⇒
Introduction
A symbol in the instrument cluster display ⇒ Driver information indicates if one or more doors are
not closed properly. Do not drive on! Open the relevant door and then close it again.
This symbol is also visible when the ignition is switched off and will go out a few seconds after the
vehicle has been locked when all doors are closed.
The symbol can differ depending on the version of the instrument cluster.
Childproof lock
Fig. 68 Childproof lock: rear left door, rear right door.
First read and observe the introductoryinformation and safety warnings⇒
Introduction
Key to ⇒ Fig. 68:
Child lock is switched off.
Child lock is switched on.
The childproof lock prevents the rear doors being opened from the inside.
When the childproof lock is activated, the door can only be opened from the outside.
The opening/closing paths of the doors and boot lid are potential danger areas where
injury can occur.
•The doors and boot lid should therefore be opened or closed only when you are sure
that nobody is in their path.
WARNING
Careless manual opening and closing of the doors can cause serious injury.
•If the vehicle is locked from the outside, the doors and electric windows cannot be
opened from the inside.
•Never leave children or people requiring assistance alone in the vehicle. They could
become trapped in the vehicle in an emergency and may not be able to get themselves
to safety.
•Temperatures inside a locked vehicle may reach extremes of heat or cold, according to
season. This can cause serious injuries and illness or fatalities, especially to small
children.
WARNING
When carrying out manual opening or closing, remove parts carefully and fit them again
correctly in order to avoid damage to the vehicle.
NOTICE
If the doors are not closed properly, they can open suddenly while the vehicle is in motion.
This can lead to severe injuries.
•Stop as soon as possible and close all doors.
•After closing the doors, always check that they are all properly secured in the lock
carrier.
WARNING
Switching the child lock on and off
•Unlock the vehicle and open the appropriate rear door.
•Move the slot to the corresponding position.
Unlocking or locking the driver door manually
Fig. 69 Driver door handle: concealed lock cylinder
Fig. 70 Driver door handle: lever off cap.
First read and observe the introductoryinformation and safety warnings⇒
Introduction
If locked manually, all doors are locked. If unlocked manually, only the driver door is unlocked.
Observe information on the anti-theft alarm ⇒ Central locking system.
•Pull on the door release lever until the cap is removed.
•Position the key bit on the notch in the driver door handle from below.
•Hold your index finger under the key bit .
•Lift the cap off with the vehicle key in the direction of the arrow ⇒ Fig. 70.
•Insert the key bit into the lock cylinder and lock or unlock the vehicle.
•Pull the door release lever and put the cap back in position.
Things to note when unlocking manually:
•The anti-theft alarm stays active when the vehicle is unlocked. However, the alarm will not be
triggered ⇒ Central locking system.
•The alarm will be triggered when the driver door is opened ⇒ Central locking system.
•The vehicle must be started manually once unlocked ⇒ Starting and stopping the engine.
•When the ignition is switched on, the electronic immobiliser detects a valid vehicle key and
deactivates the anti-theft alarm system.
The anti-theft alarm is not activated when the vehicle is locked manually using the key bit
⇒ Central locking system.
Locking the front passenger door and rear doors manually
First read and observe the introductoryinformation and safety warnings⇒
Introduction
When the childproof lock is activated, the door cannot be opened from the inside.
•Never leave children or people requiring assistance alone in the vehicle when the
doors are locked. This may mean that these people lock themselves in the vehicle.
They could become trapped in the vehicle in an emergency and may not be able to get
themselves to safety. People locked in the vehicle may be subjected to very high or
very low temperatures.
•Temperatures inside a locked vehicle may reach extremes of heat or cold, according to
season. This can cause serious injuries and illness or fatalities, especially to small
children.
WARNING
The roll-back function is also activated if the windows are closed using the vehicle key for
convenience closing.
Troubleshooting
First read and observe the introductoryinformation and safety warnings⇒
Introduction
Restoring one-touch opening and closing
One-touch opening and closing is deactivated if the 12-volt vehicle battery has been disconnected
or discharged while the windows were not fully closed. The function will have to be reset.
•Switch on the ignition.
•Close all windows and doors.
•Pull up the button for the window and hold it in this position for a few seconds.
•Let go of the button then pull it up again and hold it in this position. One-touch opening and
closing is now ready for operation.
The one-touch function can be restored for individual windows or for several windows at the same
time.
Closing the window without the roll-back function
•Try to close the window again within a few seconds by holding the button. The roll-back
function will be deactivated for a small section of the path of the closing window.
•If the closing procedure takes longer than several seconds, the roll-back function will be
reactivated. If it is still stiff or obstructed, the window will stop and will open itself automatically
again.
•Please go to a qualified workshop if the window still cannot be closed.
Glass roof
Introduction
This chapter contains information on the followingsubjects:
⇒ Opening and closing the glass roof
⇒ Glass roof roll-back function
⇒ Troubleshooting
The term glass roof is used for the tilting and sliding panoramic sunroof.
The glass roof is a roof opening system featuring two glass elements. The rear glass element is
fixed and cannot be opened.
Closing the electric windows without the roll-back function can lead to severe injuries.
•Always close the window carefully.
•Ensure that nobody obstructs the path of the window, especially if a window is being
closed when the roll-back function is not active.
•The roll-back function does not prevent fingers or other body parts from being pressed
against the window frame and sustaining injury.
WARNING
Remove leaves and other loose items from the glass roof guide rails at regular intervals
using a vacuum cleaner, or by hand.
The roll-back function will not work properly if there is a malfunction with the glass roof. Go to
a qualified workshop.
Opening and closing the glass roof
Fig. 76 In the roof: button for the glass roof.
First read and observe the introductoryinformation and safety warnings⇒
Introduction
The sun blind automatically opens at the same time as the glass roof when closed. The sun blind
can be closed completely only once the glass roof has been closed.
The button has 2 positions. 1st stage: fully or partially tilt, open or close the roof.
2nd stage: automatically move the roof to the respective limit position. Press the button again to
stop the one-touch function.
•Tilting the glass roof: push the button ⇒ Fig. 76Ⓑ to position 1. One-touch function: push button
Ⓑ to position 2.
•Closing the tilted glass roof: push the button Ⓐ to position 1. One-touch function: push button Ⓐ
to position 2.
•Stopping one-stop function of the opening or closing procedure: Push button Ⓐ or Ⓑ again.
•Opening the glass roof: push the button Ⓒ to position 1. One-touch function up to convenience
position: push button Ⓒ to position 2.
•Closing the glass roof: push the button Ⓓ to position 1. One-touch function: push button Ⓓ to
position 2.
•Stopping one-stop function of the opening or closing procedure: Push button Ⓒ or Ⓓ again.
Glass roof roll-back function
First read and observe the introductoryinformation and safety warnings⇒
Introduction
The roll-back function reduces the risk of crush injuries ⇒. If the tilting and sliding panoramic
sunroof is impaired during the closing process, it will open again immediately.
•Check to see why the glass roof has not closed.
•Try to close the glass roof again.
•If the glass roof still cannot be closed, close it without the roll-back function.
Careless or unsupervised use of the glass roof can cause serious injuries.
•Open and close the glass roof only when you are sure that nobody is in the operating
area.
•Always take all vehicle keys with you every time you leave the vehicle.
•Never leave children or people requiring assistance alone in the car, particularly if they
have access to the vehicle key. Unsupervised use of the vehicle key can lock the
vehicle, start the engine, switch on the ignition and operate the glass roof.
•The glass roof can still be opened or closed for a short time after the ignition has been
switched off, provided the driver door or front passenger door are not opened.
WARNING
•To avoid damage during cold weather, clear any ice and snow off the vehicle roof
before opening or tilting the glass roof.
•Always close the glass roof when you leave the vehicle or if it starts to rain. Any rain
entering the vehicle when the glass roof is open or tilted could cause significant
damage to the electrical system. This can result in further damage to the vehicle.
NOTICE
Closing the glass roof without the roll-back function
•Press the button to the 2nd position Ⓓ until the glass roof has fully closed.
•The glass roof will now close without the roll-back function.
•Please go to a qualified workshop if the glass roof still cannot be closed.
If you let go of the switch during the closing procedure, the glass roof will open automatically.
Troubleshooting
First read and observe the introductoryinformation and safety warnings⇒
Introduction
Glass roof will not close
•The glass roof only works when the ignition is switched on. The glass roof can still be opened or
closed for a short time after the ignition has been switched off, provided the driver door or front
passenger door are not opened.
Steering wheel
Adjusting the steering wheel position
Fig. 77 Below the steering wheel in the steering column trim: lever for mechanical adjustment of the
steering wheel position.
Fig. 78 On the steering wheel: 9 o'clock and 3 o'clock position.
Adjust the steering wheel position before setting off and only when the vehicle is stationary ⇒.
•Push down the lever ⇒ Fig. 77①.
•Adjust the steering wheel so that you can hold it with both hands at its circumference at the 9
o'clock and 3 o'clock positions with your arms slightly bent ⇒ Fig. 78.
•Push the lever up firmly until it is flush with the steering column trim ⇒.
Closing the glass roof without the roll-back function can cause serious injuries.
•Always close the glass roof carefully.
•Ensure that nobody obstructs the path of the glass roof, especially if the roll-back
function is not active.
•The roll-back function does not prevent fingers or other body parts from being pressed
against the roof frame and sustaining injury.
WARNING
Adjusting the head restraints
Fig. 88 Adjusting the front head restraints: without longitudinal adjustment, with longitudinal
adjustment.
Fig. 89 Rear head restraint: adjusting.
First read and observe the introductoryinformation and safety warnings⇒
Introduction
Adjusting the height of the head restraint
•Press the button ⇒ Fig. 88① or ⇒ Fig. 89① if necessary and slide the head restraint up or
down in the direction of the arrow ⇒.
•The head restraint must click securely into position.
Adjusting front head restraint in longitudinal direction
•Push the head restraint forwards in the direction of the arrow or press button ⇒ Fig. 88①
and push it backwards.
•The head restraint must click securely into position.
Removing and fitting head restraints
Driving without head restraints or with incorrectly adjusted head restraints increases the
risk of severe or fatal injuries in the event of an accident or sudden driving or braking
manoeuvre.
•If a seat is occupied, the head restraint for that seat must be fitted and adjusted
correctly.
•Each vehicle occupant must adjust the head restraint to suit their body size, to help
reduce the risk of neck injuries in an accident. As far as possible, the upper edge of the
head restraint must be level with the top of the head, but not lower than eye level.
Position the back of your head in the middle and as close to the head restraint as
possible.
•Never adjust the head restraint when the vehicle is in motion.
WARNING
When removing or fitting head restraints, make sure that they do not hit the roof, the front
seat backrest or other parts of the vehicle. This will prevent damage from occurring.
NOTICE
•If the dynamic cornering light has been deactivated.
•If travel mode is activated ⇒ Switching over headlights for driving abroad (travel modeyf.
•When the Eco driving profile is selected in vehicles with driving profile selection ⇒ Driving
profile selection and 4MOTION Active Control.
Interior lighting
Instrument and switch lighting
The brightness of the instrument and switch lighting and the basic brightness level of the Head-up
Display ⇒ Instrument cluster can be adjusted in the Infotainment system in
the Vehicle settings menu ⇒ Operation and display in the Infotainment system.
The brightness setting is automatically adjusted to the changing light conditions in the vehicle.
When the light switch is in position , a sensor will switch the dipped beam and the lighting
in the instruments and switches on and off automatically depending on the ambient brightness
level.
When the light is switched off and the ignition switched on, the dash panel lighting (indicators
and scalesyf L V V Z L W F K H G R Q $ V W K H D P E L H Q W O L J K W E H F R P H V O R Z H U W K H O L J K W L Q J R I W K H V H V F D O H V L V
automatically reduced and may be switched off entirely. This function is intended to remind the
driver to switch on the dipped beam in good time, i.e. when driving through tunnels.
Interior lights, reading lights, background lighting
Press the corresponding button:
Switches the front interior lights on or off.Switches the rear interior lights on or off.
The interior lights are switched on automatically when the vehicle is unlocked, a door is
opened or the vehicle key is removed from the ignition lock.Switches the reading lights on or
off.
Stowage compartment and luggage compartment lights
A light will be switched on and off automatically when the stowage compartment on the front
passenger side, or the boot lid, is opened or closed.
Background lighting
Depending on the equipment level, the background lighting provides indirect light in the various
areas of the vehicle interior.
The footwell and, where applicable, the closed blind of the glass roof may also be illuminated.
The brightness of the background lighting can be adjusted in the Infotainment system in
the Vehicle settings menu ⇒ Operation and display in the Infotainment system.
The lights go out when the vehicle is locked or after a delay of a few minutes when the
vehicle key is removed from the ignition lock. This prevents the 12-volt battery from discharging.
Some settings can be stored in the user accounts of the personalisation function and
therefore change automatically when the user account changes ⇒ Personalisation.
Visibility
Wipers
Operating the wiper lever
Fig. 101 On the steering column, right: operating the front windscreen wipers.