2012 MERCEDES-BENZ R-CLASS FAMILY TOURER belt

Adjusting seat fore-and-aft adjustment
(outer seats in the 2nd row of seats)XPull lever : in the direction of the arrow to
the pressure point and hold it in this
position.XSlide the seat forwards or backwards to the
desired position.XRelease lever :.
The seat engages audibly.
Adjusting the backrest angle
Outer seats, 2nd row
3rd row of seats
XPull lever : in the direction of the arrow to
the pressure point and hold it in this
position.XPress your back lightly against the backrest
to tilt it towards the rear.
or
XRelieve the pressure on the backrest to
allow it to fold forwards.XRelease lever : once the backrest is in the
desired position.XLean back firmly against the backrest to
ensure that it is engaged.
Adjusting the armrest (2nd row of
seats)
6-seat vehicles
You can fold the armrests in the 2nd row of
seats up, e.g. when loading the vehicle, and
adjust their height.
XTo fold up: fold the armrest up until it
engages in the vertical position.XTo adjust the height: gently push the
engaged armrest backwards to release it.XFirst fold the armrest all the way down to
its lowest position and then back up to the
desired position until it engages.
i If you want to lower the armrest, you must
first fold it up. Then adjust the height as
described above.
7-seat vehicles
The backrest of the center seat in the 2nd row
can be used as an armrest.
GWARNING
The folded second-row middle seat is
intended to serve as an armrest only. Do not
fold the second-row middle seat and allow
occupants to use the folded second-row
middle seat as a footrest while driving. All
vehicle occupants must keep both feet on the
floor in front of their seat. Otherwise,
occupants could slide under the seat belt in a
collision. If occupants slide under it, the belt
102SeatsSeats, steering wheel and mirrors

XPull release handle : in the direction of
the arrow to the pressure point and hold it
in this position.
The backrest folds forwards.XSlide the seat in the 2nd row of seats
forwards to the stop.
Entry position
EASY-EXIT feature
The release loop for the EASY-EXIT feature is
located at the bottom on the back of each
outer seat in the 2nd row of seats.
XPull release loop : in the direction of the
arrow and hold it in this position.
The backrest folds forwards.XSlide the seat in the 2nd row of seats
forwards to the stop.
Exit position
Moving the outer seats in the 2nd row
back to the normal position
GWARNING
When occupants have entered or exited the
vehicle using the easy-entry/exit feature,
before driving off make sure
R the outboard second-row seats are
properly locked
R the seat backrests of the outboard second-
row seats are in an upright position and are
properly locked
An outboard second-row seat is properly
locked only when lock status indicator : is
in hinged position and red marking ; is
barely visible.
If a seat and seat backrest are not properly
locked, the seat could move forward and the
seat backrest could fold. You could slide
under the seat belt during braking, vehicle
maneuvers, or in an accident. If you slide
under it, the seat belt would apply force at the
abdomen or neck. That could cause serious
or even fatal injuries.
104SeatsSeats, steering wheel and mirrors

iCanada only:
This device complies with RSS-210 of
Industry Canada. Operation is subject to
the following two conditions:
1. This device may not cause harmful
interference, and
2. this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modification to this
device could void the user's authority to
operate the equipment.XPress the V or U button on the
steering wheel to select the Settings
menu.XPress the & button to select submenus.XPress the W or X button to select the
Vehicle submenu.XPress the & button to select Radar
Sensor (See Operator's Manual) .XPress the W or X button to activate
or deactivate the Radar Sensor (see
Operator's Manual) .XPress the &, V or U button to
select a different display.
Convenience
Activating/deactivating the EASY-
ENTRY/EXIT feature
You can use the Easy-entry Function to
activate or deactivate the EASY-ENTRY/EXIT
feature ( Y page 108).
GWARNING
You must make sure no one can become
trapped or injured by the moving steering
wheel when the easy-entry/exit feature is
activated.
To stop steering wheel movement do one of
the following:
R Move steering wheel adjustment stalk.
R Press one of the memory position buttons.
R Press memory button M.
Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Children could open the driver's door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.XPress the V or U button on the
steering wheel to select the Settings
menu.XPress the & button to select submenus.XPress the W or X button to select the
Comfort submenu.XPress the & button to select Easy-
entry Function .XPress the W or X button to activate
or deactivate the Easy-entry Function .XPress the &, V or U button to
select a different display.
Switching the belt adjustment on/off
For further information on belt adjustment
( Y page 54).
XPress the V or U button on the
steering wheel to select the Settings
menu.XPress the & button to select submenus.XPress the W or X button to select the
Comfort submenu.XPress the & button to select Belt
Adjustment .XPress the W or X button to activate
or deactivate Belt Adjustment .XPress the &, V or U button to
select a different display.
Switching the Fold in mirrors when
locking function on/off
If you activate the Fold In Mirrors When
Locking function, the exterior mirrors are
folded in when the vehicle is locked. If you
switch on the ignition, the exterior mirrors
fold out again.
Menus and submenus209On-board computer and displaysZ

Display messagesPossible causes/consequences and M Solutions?
Coolant Stop car,
switch engine offThe coolant is too hot.XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.XMake sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.XWait until the display message disappears before restarting the
engine. Otherwise, there is a risk of engine damage.XPay attention to the coolant temperature display.XIf the temperature increases again, visit a qualified specialist
workshop immediately.The poly-V-belt may have torn.XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.XOpen the hood.XCheck whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise overheat.
XConsult a qualified specialist workshop.
If the poly-V-belt is OK:
XWait until the display message disappears before restarting the
engine. Otherwise, there is a risk of engine damage.XPay attention to the coolant temperature display.XVisit a qualified specialist workshop.GWARNING
Driving when your engine is overheated can cause some fluids which may have leaked into the
engine compartment to catch fire. You could be seriously burned.
Steam from an overheated engine can cause serious burns which can occur just by opening the
engine hood. Stay away from the engine if you see or hear steam coming from it.
Stop the vehicle in a safe location away from other traffic. Turn off the engine, get out of the
vehicle and do not stand near the vehicle until the engine has cooled down.
! If the coolant temperature exceeds 248 ‡(120 †) do not continue driving. The engine will
otherwise be damaged.
226Display messagesOn-board computer and displays

Display messagesPossible causes/consequences and M Solutions?The engine fan is defective.XAt coolant temperatures under 248 ‡ (120 †), drive to the next
qualified specialist workshop.XAvoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic.#The battery is not being charged.
Possible causes are:
R a defective alternator
R a torn poly-V-belt
R a malfunction in the electronicsXPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.XOpen the hood.XCheck whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise overheat.
XConsult a qualified specialist workshop.
If the poly-V-belt is OK:
XVisit a qualified specialist workshop.#
Battery /
Alternator Stop
VehicleThe battery is defective.XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.XEngage the parking brake.XConsult a qualified specialist workshop.4
Check engine oil
level at next
refuelingThe oil level is too low.XCheck the oil level ( Y page 283).XIf necessary, add engine oil ( Y page 284).XHave the engine checked for leaks if the engine oil needs to be
refilled more often than usual.
Information on approved engine oils can be obtained from any qualified specialist workshop
or on the Internet at http://www.mbusa.com (USA only).
! The oil level is too low. Avoid long journeys with too little engine oil. There is a risk of
engine damage.
The display messages and the corresponding symbol that indicate that the oil level is too
low must not be ignored.
Display messages227On-board computer and displaysZ

Warning and indicator lamps in the instrument cluster
Seat belts
ProblemPossible causes/consequences and M Solutions7
After starting the
engine, the red seat
belt warning lamp lights
up for six seconds.The seat belt warning lamp reminds the driver and front passenger
to fasten their seat belts.XFasten your seat belt ( Y page 51).7
After starting the
engine, the red seat
belt warning lamp lights
up. In addition, a
warning tone sounds
for up to six seconds.GRisk of injury
The driver's seat belt is not fastened.
XFasten your seat belt ( Y page 51).
The warning tone ceases.7
The red seat belt
warning lamp lights up
after the engine starts,
as soon as the driver's
or the front-passenger
door is closed.GRisk of injury
The driver or front passenger has not fastened their seat belt.
XFasten your seat belt ( Y page 51).
The warning lamp goes out.GRisk of injury
There are objects on the front-passenger seat.
XRemove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out.238Warning and indicator lamps in the instrument clusterOn-board computer and displays

ProblemPossible causes/consequences and M Solutions7
The red seat belt
warning lamp flashes
and an intermittent
audible warning
sounds.GRisk of injury
The driver or front passenger has not fastened their seat belt. In
addition, you are driving faster than 15 mph (25 km/h) or you have
briefly driven faster than 15 mph (25 km/h).
XFasten your seat belt ( Y page 51).
The warning lamp goes out and the intermittent warning tone
ceases.GRisk of injury
There are objects on the front-passenger seat. In addition, you are
driving faster than 15 mph (25 km/h) or you have briefly driven
faster than 15 mph (25 km/h).
XRemove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out and the intermittent warning tone
ceases.
Safety systems
ProblemPossible causes/consequences and M Solutions$ (USA only)
J (Canada only)
The red brake system
warning lamp comes on
while the engine is
running. A warning tone
also sounds.GRisk of accident
There is not enough brake fluid in the brake fluid reservoir.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.XEngage the parking brake.XConsult a qualified specialist workshop immediately.XObserve the additional display messages in the multifunction
display.
Do not add brake fluid. This will not correct the malfunction.
GWARNING
Driving with the brake warning lamp illuminated can result in an accident. Have your brake system
checked immediately if the brake warning lamp stays on. Do not add brake fluid before checking
the brake system.
Overfilling the brake fluid reservoir can result in spilling brake fluid on hot engine parts and the
brake fluid catching fire. You can be seriously burned.
Warning and indicator lamps in the instrument cluster239On-board computer and displaysZ

Cargo compartment enlargement
Important safety notesGWARNING
When expanding the cargo volume, always
fully fold the corresponding seats and, if so
equipped, always use the cargo net when
transporting cargo.
Unless you are transporting cargo, the seat
backrests must remain properly locked in the
upright position.
In an accident, during hard braking or sudden
maneuvers, loose items will be thrown around
inside the vehicle. This can cause injury to
vehicle occupants unless the items are
securely fastened in the vehicle.
Always use the cargo tie-down rings.
GWARNING
Never drive a vehicle with the tailgate open.
Deadly carbon monoxide (CO) gases may
enter vehicle interior resulting in
unconsciousness and death.
To enlarge the cargo compartment, the rear
bench seats of the second and third rows of
seats can be folded forwards separately. You
can enlarge the cargo compartment partially
( Y page 253) or fully ( Y page 253).
Partially enlarging the cargo
compartment (folding the seats in the
3rd row forward)
XMove the head restraint of the
corresponding seat down fully
( Y page 100).XClamp the seat belt behind retainer ;.XPull release handle : of backrest =
upwards in the direction of the arrow.
Backrest = is released.XFold backrest = slowly forwards.
Seat cushion ? is released and moves
automatically to a vertical position.XFold backrest = forwards into a horizontal
position.
i Loop A can be used to pull the backrests
of the 3rd row of seats upright when the
seats are moved into the original position
( Y page 256).
Enlarging the cargo compartment
completely (by folding the 2nd and 3rd
row of seats down)
GWARNING
Folded second-row seats are intended to
serve as a cargo volume expansion in
conjunction with folded third-row seats only.
Do not fold the second-row seats and allow
Stowage areas253Stowing and featuresZ