2012 MERCEDES-BENZ S-Class light

ProblemPossible causes/consequences and M Solutions!
The yellow ABS warning
lamp is lit while the
engine is running.GRisk of accident
ABS (Anti-lock Brake System) is deactivated due to a malfunction.
BAS (Brake Assist), BAS PLUS, ESP ®
(Electronic Stability
Program), PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD function and
hill start assist are therefore also deactivated, for example.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
ATTENTION ASSIST 22
is deactivated.
XObserve the additional display messages in the multifunction
display.XDrive on carefully.XVisit a qualified specialist workshop.!
The yellow ABS warning
lamp is lit while the
engine is running.GRisk of accident
ABS is temporarily unavailable. BAS, BAS PLUS, ESP ®
, EBD
(electronic brake force distribution), PRE-SAFE ®
,
PRE-SAFE ®
Brake, the HOLD function, hill start assist are therefore
also deactivated, for example.
Self diagnosis is not yet complete or the on-board voltage may be
insufficient, for example.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
ATTENTION ASSIST 22
is deactivated.
XCarefully drive a suitable distance making slight steering
movements at a speed above 12 mph (20 km/h).
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on:
XObserve the additional display messages in the multifunction
display.XDrive on carefully.XVisit a qualified specialist workshop.22 Not available on hybrid vehicles.Warning and indicator lamps in the instrument cluster423On-board computer and displaysZ

ProblemPossible causes/consequences and M Solutions֌
The yellow ESP ®
and
ESP ®
OFF warning
lamps are lit while the
engine is running.GRisk of accident
ESP ®
, BAS, PRE-SAFE ®
, the HOLD function and hill start assist are
temporarily unavailable.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
ESP ®
will not stabilize the vehicle if it starts to skid or if a wheel
starts to spin.
Self diagnosis is not yet complete.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
ATTENTION ASSIST 22
is deactivated.
XCarefully drive a suitable distance making slight steering
movements at a speed above 12 mph (20 km/h).
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on:
XObserve the additional display messages in the multifunction
display.XDrive on carefully.XVisit a qualified specialist workshop.F (USA only)
! (Canada only)
The red indicator lamp
for the electric parking
brake flashes and/or
the yellow warning
lamp for the electric
parking brake lights up.The electric parking brake is temporarily malfunctioning or
defective.XObserve the additional display messages in the multifunction
display.6
The red SRS warning
lamp is lit while the
engine is running.GRisk of injury
The restraint systems are malfunctioning. The air bags or ETDs
may either be triggered unintentionally or, in the event of an
accident, not be triggered at all.
XDrive on carefully.XVisit a qualified specialist workshop immediately.22 Not available on hybrid vehicles.426Warning and indicator lamps in the instrument clusterOn-board computer and displays

GWARNING
In the event a malfunction of the SRS is indicated as outlined above, the SRS may not be
operational.
For your safety, we strongly recommend that you contact an authorized Mercedes-Benz Center
immediately to have the system checked. Otherwise the SRS may not be activated when needed
in an accident, which could result in serious or fatal injury, or it might deploy unexpectedly and
unnecessarily which could also result in injury.
Engine
ProblemPossible causes/consequences and M Solutions;
The yellow Check
Engine warning lamp
lights up while the
engine is running.There may be a malfunction, for example:
R in the engine management
R in the fuel injection system
R in the exhaust system
R in the ignition system (for vehicles with a gasoline engine)
R in the fuel system
The emission limit values may be exceeded and the engine may
be running in emergency mode.XHave the vehicle checked as soon as possible at a qualified
specialist workshop.
i In some states, you are required by law to immediately visit a
qualified specialist workshop as soon as the yellow Check
Engine warning lamp lights up. If in doubt, check whether such
legal regulations apply in the state/province in which you are
currently driving.
Vehicles with a diesel engine: the fuel tank has been run dry
( Y page 320).XStart the engine three to four times after refueling.
If the yellow Check Engine warning lamp goes out, emergency
running mode is canceled. The vehicle need not be checked.Warning and indicator lamps in the instrument cluster427On-board computer and displaysZ

ProblemPossible causes/consequences and M SolutionsThe yellow reserve fuel
warning lamp flashes
while the vehicle is in
motion.
In addition, the ;
yellow Check Engine
warning lamp may light
up.The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.XObserve the additional display messages in the multifunction
display.XCheck that the fuel filler cap is correctly closed.XIf the fuel filler cap is not correctly closed: close the fuel filler
cap.XIf the fuel filler cap is closed: visit a qualified specialist
workshop.The yellow reserve fuel
warning lamp lights up
while the engine is
running.The fuel level has dropped into the reserve range.XRefuel at the nearest gas station.
Driving systems
ProblemPossible causes/consequences and M Solutions·
The red distance
warning lamp lights up
while the vehicle is in
motion. A warning tone
also sounds.GRisk of accident
The warning is issued if you approach a stationary vehicle or a
vehicle driving ahead of you at too high a speed.
XBe prepared to brake immediately.XPay careful attention to the traffic situation. You may have to
brake or take evasive action.
More information about DISTRONIC PLUS ( Y page 332) and
PRE-SAFE ®
Brake ( Y page 73).
428Warning and indicator lamps in the instrument clusterOn-board computer and displays

Coat hook
The coat hooks are located on the left and
right in the headliner in the rear
compartment.
! Only hang light loads on the coat hooks.
Do not place a load of more than 6.6 lbs
(3 kg) on the coat hooks.XTo open: press coat hook :.
The coat hooks fold out.XTo close: press coat hook : until it
engages.
Stowage compartments in the rear
Stowage compartment in the rear seat
armrest
! Do not sit or lean your bodyweight on the
armrests when they are folded out as you
could damage them.
! Close the cover of the stowage
compartment before folding the rear seat
armrest back into the seat backrest.
Vehicles without a control panel in the rear seat
armrest
XTo open: fold down the seat armrest.XPull handle : and fold the armrests
upwards.
Vehicles with a control panel in the rear seat
armrest
XTo open: press button : and fold up the
armrest.
Stowage box between the rear seats
XTo open: pull handle : backwards in the
direction of the arrow.
Stowage box in the rear seat backrest
! Do not sit or lean your bodyweight on the
armrests when they are folded out as you
could damage them.
434Stowage areasStowing and features

XTo open: fold down the rear seat armrest.XPull handle : and fold down cover ;.
i
It will be easier to open the cover when
the rear seats are in the basic position.
Stowage pockets
GWARNING
Storage bags are intended for storing light-
weight items only.
Heavy objects, objects with sharp edges or
fragile objects may not be transported in the
storage bag. In an accident, during hard
braking, or sudden maneuvers, they could be
thrown around inside the vehicle and cause
injury to vehicle occupants.
Storage bags cannot protect transported
goods in the event of an accident.
Storage bags are located in the rear
compartment on the driver's and front-
passenger seat backrests.
Parcel nets
GWARNING
Parcel nets are intended for storing light-
weight items only, such as road maps, mail,
etc.
Heavy objects, objects with sharp edges, or
fragile objects may not be transported in the
parcel nets. In an accident, during hard
braking, or sudden maneuvers, they could be
thrown around inside the vehicle and cause
injury to vehicle occupants.
Parcel nets cannot protect transported goods
in the event of an accident.
Parcel nets are located in the front-passenger
footwell and on the left and right-hand sides
of the trunk.
Securing cargo
Cargo tie-down rings
Observe the following notes on securing
loads:
R secure the load using the cargo tie down
rings.
R do not use elastic straps or nets to secure
a load, as these are only intended as an
anti-slip protection for light loads.
R do not route tie downs across sharp edges
or corners.
R pad sharp edges for protection.
There are four cargo tie down rings in the
trunk.
Bag hooks
! The bag hook can bear a maximum load
of 6.6 lbs (3 kg). Do not use it to secure a
load.
Stowage areas435Stowing and featuresZ

Vehicles without multicontour seats in the rear
compartment
Vehicles without Rear Seat Entertainment System
Vehicles with Rear Seat Entertainment System
XFold down the rear seat armrest.XTo open: press the front of cup holder :.
Cup holder : extends automatically.XTo close: slide the cup holder back until it
engages.Sun visors
Overview of sun visorsGWARNING
Do not use the vanity mirror while driving.
Keep the vanity mirrors in the sun visors
closed while the vehicle is in motion.
Reflected glare can endanger you and others.
:Mirror light;Bracket=Retaining clip, e.g. for a car park ticket?Vanity mirrorAMirror cover
Vanity mirror in the sun visor
Mirror light : only functions if the sun visor
is clipped into retainer ; and mirror cover
A has been folded up.
Glare from the side
XFold down the sun visor.XPull the sun visor out of retainer ;.XSwing the sun visor to the side.438FeaturesStowing and features

Rear window roller sunblind
Important safety notesGWARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unattended in the
vehicle, even if they are secured in a child
restraint system, or with access to an
unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. The children
could:
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
ignition lock or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and the child could be burned on these
parts.
GWARNING
When adjusting a roller sunblind, the roller
blind moves up or down. You might become
trapped in the process.
In the event of danger, briefly press the button
for the roller sunblind to change the roller
blind's direction of movement.
Extending/retracting from the driver's
seat
! Make sure that the roller sunblind can
move freely. Otherwise, the roller sunblind
or other objects could be damaged.
At temperatures below Ò4 ‡ ( Ò20 †), the
roller sunblind cannot be operated.XTo extend or retract: briefly press
button :.
The roller sunblind fully extends or fully
retracts.XTo stop: briefly press button : again.
The roller sunblind stops briefly and moves
back into the out-of-use position.
Extending/retracting from the rear
The switch is located on the rear door control
panel.
Extending
XPull switch : up and release it.
The roller sunblind extends fully.XTo stop: press switch : down briefly.
The roller sunblind stops briefly and then
retracts again.Features439Stowing and featuresZ