2013 MERCEDES-BENZ B-CLASS SPORTS light

Problem Possible causes/consequences and
M Solutions
!
The yellow ABS warning
lamp is lit while the
engine is running.
ABS is temporarily unavailable. BAS, COLLISION PREVENTION
ASSIST, ESP
®
, EBD (electronic brake force distribution),
PRE-SAFE ®
, the HOLD function and hill start assist, for example,
are therefore also deactivated.
Possible causes are:
R Self-diagnosis is not yet complete.
R The on-board voltage may be insufficient.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is a risk of an accident.
X Carefully drive a short distance on a suitable stretch of road,
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:
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. Warning and indicator lamps in the instrument cluster
221On-board computer and displays Z

Problem Possible causes/consequences and
M Solutions
֌
The yellow ESP
®
and
ESP ®
OFF warning
lamps are lit while the
engine is running. ESP
®
,B AS, PRE-SAFE ®
, the HOLD functio nand hill start assist are
temporarily unavailable.
COLLISION PREVENTION ASSIST may also have failed.
ATTENTION ASSIST is deactivated.
Self-diagnosis is not ye tcomplete.
G WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Carefully drive a short distance on a suitable stretch of road,
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:
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. 224
Warning and indicator lamps in the instrument clusterOn-board computer and displays

Problem Possible causes/consequences and
M Solutions
!
The red indicator lamp
for the electric parking
brake flashes or lights
up and/or the yellow
warning lamp for the
electric parking brake
lights up. X
Observe the messages in the multifunction display. 6
The red SRS warning
lamp is lit while the
engine is running.
There is a malfunction in the SRS (Supplemental Restraint
System).
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Drive on carefully.
X Have SRS checked at a qualified specialist workshop
immediately.
For further information about SRS, see (Y page 37).Warning and indicator lamps in the instrument cluster
225On-board computer and displays Z

Engine
Problem Possible 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
R in the fuel system
The emission limit values may be exceeded and the engin emay
be running in emergency mode.
X Have the vehicle checked as soon as possible at a qualified
specialist workshop.
i In some states, you must immediately visit a qualified
specialist workshop as soon as the yellow Chec kEngine warning
lamp lights up.T his depends on the locally applicable legal
requirements. If in doubt, check whether such legal regulations
apply in the state in which you are currently driving. æ
The yellow reserve fuel
warning lamp lights up
while the engine is
running.
The fuel level has dropped into the reserve range.
X
Refuel at the nearest gas station. æ
The yellow reserve fuel
warning lamp flashes
while the engine is
running.
The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X
Check that the fuel filler cap is correctly closed.
X If the fuel filler cap is not correctly closed: close the fuel filler
cap.
X If the fuel filler cap is closed: visit a qualified specialist
workshop. ?
The red coolant
warning lamp lights up
while the engine is
running and the coolant
temperature gage is at
the start of the scale.
The temperature sensor for the coolant temperature gage is
defective.
The coolant temperature is no longer being monitored. There is a
risk of engine damage if the coolant temperature is too high.
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions. Do not continue
driving under any circumstances.
X Secure the vehicle against rolling away (Y page 141).
X Consult a qualified specialist workshop. 226
Warning and indicator lamps in the instrument clusterOn-board computer and displays

Problem Possible causes/consequences and
M Solutions
X
Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X Check the coolant level and add coolant (Y page 263). Observe
the warning notes.
X If you need to add coolant more often than usual, have the
engine coolant system checked.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X At coolant temperatures under 248 ‡(120 †), drive to the next
qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic. Driving systems
Problem Possible causes/consequences and
M Solutions
·
The red distance
warning lamp lights up
while the vehicle is in
motion. A warning tone
also sounds.
You are approaching a vehicle or a stationary obstacle in yourl
ine
of travel at too high a speed.
X Be prepared to brake immediately.
X Pay careful attention to the traffic situation. You may have to
brake or take evasive action. 228
Warning and indicator lamps in the instrument clusterOn-board computer and displays

X
To fold out: pull folding table :up in the
direction of the arrow to the desired
position.
X To fold away: push folding table :down
onto the backrest. Parcel nets
G
WARNING
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 canno tprotect transported goods
in the event of an accident.
! The maximu mload that may be placed on
the parcel net under the rear shelf is
2.5 kg.
Parcel nets are located in the front-passenger
footwell and on the back of the driver's and
the front-passenger seat. Folding backrest on the front-
passenger seat
G
WARNING
In the event of an accident, sudden braking or
an abrupt change of direction, people sitting
in the back may be endangered by protruding
parts of the folded front-passenger seat if the
backrest of the front-passenger seat is folded
forward. There is an increased risk of injury.
Make sure that there are no people on the
center rear seat or on the rear seat behind the
front-passenger seat, while the front-
passenger seat is folded. X
To fold forward: gently push the backrest
back.
X Pull release handle :and fold the
backrest fully onto the seat cushion until it
engages.
X To fold back: gently push the backrest
down and pull release handle :.
X Fold the seat backrest back until it
engages. Through-loading facility in the rear
compartment
G
WARNING
Do not transport any unsecured items in the
through-loading area. G
WARNING
Do not drive without the armrest locked in
place. You and others could otherwise be
injured by the armrest should it be thrown
around in the event of an accident, strong
braking maneuvers or sudden changes of
direction.
No passengers may sit in the rear center seat
when the armrest has been removed. Stowage areas
233Stowage and features Z

X
Pull right or left release loop ;forwards in
the direction of the arrow.
Corresponding seat backrest :is
released.
X Pull backrest :forward in the direction of
the arrow, or push it back and let it engage.
X To ensure that the backrest has engaged,
lean firmly against backrest :.
Adjusting the seat fore-and-aft position
! When moving the rear seats back, make
sure there are no objects in the footwell or
behind the seats. The rear seats and/or the
objects could otherwise be damaged. X
Lift the left or right release handle and slide
the corresponding seat forwards or
backwards.
X Let go of the release handle again.
Make sure that you hear the seat engage in
position. 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
cargo compartment. :
Cargo tie-down rings
Bag hook !
The bag hook can bear a maximum load
of 6.6lbs (3kg) and should not be used to
secure a load.
There is one bag hook on either side of the
cargo compartment. :
Bag hook Cargo compartment cover
Important safety notes !
When loading the vehicle, make sure that
you do not stack the load in the cargo
compartment higher than the lower edge of
the side windows. Do not place heavy Stowage areas
237Stowage and features Z

objects on top of the cargo compartment
cover.
! When removing and installing the cargo
compartment cover, ensure that its end
caps do not scrape the light-colored parts
of the vehicle.
The cargo compartment cover is located
behind the rear bench seat backrest.
Extending and retracting the cargo
compartment cover X
To extend: pull the cargo compartment
cover back by grab handle :and clip it
into retainers ;on the left and right.
X To retract: unhook the cargo compartment
cover from retainers ;on the left and right
and guide it forwards by grab handle :
until it is fully retracted.
Installing/removing the cargo
compartment cover X
To remove: make sure that the cargo
compartment cover is rolled up.
X Push in the end cap of cargo compartment
cover :in the direction of the arrow on
the right or left side using grip =.
X Push cargo compartment cover :into
opposite anchorage ;.
X Remove cargo compartment cover :
upwards.
X To install: set cargo compartment
cover :on the right or left-hand side in
anchorage ;.
X Push in the opposite end cap of cargo
compartment cover :in the direction of
the arrow and insert cargo compartment
cover :into opposite anchorage ;. Cargo net
Important safety notes It is particularly important to use a cargo net
if the vehicle is loaded with small objects
above the level of the backrests. For safety
reasons, always use a cargo net when
transporting loads.
The cargo net is located in the stowage space
under the cargo compartment floor
(Y
page 239).
X Open both Velcro fastener sand remove the
cargo net.
X Unroll and unfold the cargo net.
The joints on the uppe rand lowe rguide rod
should engage audibly.
The corresponding cargo tie down rings for
tightening the cargo net are in the cargo
compartment (Y page 237).238
Stowage areasStowage and features