brake fluid MERCEDES-BENZ CLS COUPE 2012 Owners Manual

Bel
ttensioner
Activatio n......................................... 41
Functi on........................................... 51
Blin dSpot Assist
Activating/deactivating .................220
Display message ............................ 246
Notes/function .............................. 197
see Active Blind Spot Assist
Bluetooth ®
SAP V3 telephone mod-
ule see Separate operating instructions
Bonnet
Closing .......................................... .297
Display message ............................ 255
Opening ......................................... 296
Boot
Emergency release ..........................87
Important safety notes ....................85
Opening/closing (automatically
from inside) ...................................... 87
Opening/closing (automatically
from outside) ................................... 86
Opening/closing (manually from
outside) ............................................ 85
Boot lid
Display message ............................ 254
Opening/closing .............................. 85
Opening dimensions ......................366
Boot load (maximum) ........................ 366
Bottle holders .................................... 281
Box (boot) .......................................... .277
Brake Assist System see BAS (Brake Assist System)
Brake fluid
Display message ............................ 234
Notes ............................................. 365
Brake lamps
Adaptive .......................................... .65
Display message ............................ 238
Brakes
ABS .................................................. 63
BAS .................................................. 63
BAS PLUS ........................................ 64
Brake fluid (notes) .........................365
Display message ............................ 232
Driving tips .................................... 162
High-performance brake system ....163 Important safety notes
..................162
Parking brake ................................ 160
Warning lamp ................................. 260
Breakdown
see Flat tyre
see Towing away
Bulbs
see Changing bulbs C
Calling up afault
see Display messages
Car
see Vehicle
Care
Automatic car wash .......................301
Carpets .......................................... 307
Display ........................................... 305
Exterior lighting ............................. 304
Gea rors electo rlever .................... 306
High-pressure cleaner .................... 302
Interior ........................................... 305
Matt paintwork .............................. 303
Nigh tView Assist Plus ...................305
Notes ............................................. 301
Paint .............................................. 303
Plastic trim .................................... 306
Reversing camera ..........................305
Roo flining ...................................... 307
Seat bel t........................................ 307
Seat cover ..................................... 306
Sensors ......................................... 304
Steering wheel ............................... 306
Tai lpipes ....................................... 305
Trim pieces .................................... 306
Washing by hand ........................... 302
Wheels ........................................... 303
Windows ........................................ 304
Wiper blades .................................. 304
Wooden trim .................................. 306
Car wash (care) ................................. 301
CD player/CD changer(on-board
computer) .......................................... 216
Central locking Automatic locking (on-board com-
puter) ............................................. 225
Locking/unlocking (key ).................. 77 6
Index

Remote control
Auxiliary heating/ventilation .......... 133
Changing the batterie s(au xiliary
heating) ......................................... 135
Garage door opene r....................... 287
Programming (garage door
opener) .......................................... 287
Replacing the battery (auxiliary
heatin gremote control) .................... 135
Reserve (fue ltank)
see Fuel
Reserve fuel
Display message ............................ 242
Warning lamp ................................. 267
Residual heat (climate control) ........132
Restrain tsystem
see SRS (Supplemental Restraint
System)
Rev counter ........................................ 210
Reverse gear (selector lever) ...........148
Reversing camera Cleaning instructions .....................305
Function/notes ............................. 190
Switching on/off ........................... 191
Reversing lamp
Changing bulbs .............................. 120
Reversing lamp (display message) ..239
Roller sunblind Rea rwindow .................................. 282
Roof carrier ........................................ 278
Roof lining and carpets (cleaning
instructions) ...................................... 307
Roof load (maximum) ........................366 S
Safety Childre ninthe vehicle ..................... 52
Child restraint systems ....................52
Safety system
see Driving safety system
Seat
Seat backres tdisplay message .....255
Seat belt
Adjusting the driver's and front-
passenger sea tbelt ......................... 50
Adjusting the height ......................... 50
Belt force limiter .............................. 51Belt tensioner
.................................. 51
Cleaning ......................................... 307
Display message ............................ 235
Fastening ......................................... 49
Important safety guidelines .............48
Rea rseat belt status indicator .........51
Releasing ......................................... 50
Switching bel tadjustment on/off
(on-board computer) ......................227
Warning lamp ................................. 259
Warning lamp (function) ................... 51
Seats
Adjusting (electrically). ....................98
Adjusting lumba rsuppor t.............. 101
Adjusting the 4-way lumba rsup-
por t................................................ 101
Adjusting the head restraint ............98
Cleaning the cover .........................306
Correct driver's sea tposition ........... 96
Important safety notes ....................97
Seat heating problem ....................102
Seat ventilation problem ................102
Storing settings (memory func-
tion) ............................................... 107
Switching sea theating on/off .......101
Switching the sea tventilation on/
off .................................................. 102
Selector lever
Cleaning ......................................... 306
Sensors (cleaning instructions) .......304
Service see ASSYST PLUS
Service Centre
see Qualified specialist workshop
Service menu (on-board computer) .220
Service products Brake fluid ..................................... 365
Coolant (engine) ............................ 365
Engine oil ....................................... 363
Fuel ................................................ 360
Important safety notes ..................359
Washer fluid .................................. .366
Settings
Factory (on-board computer) .........227
On-board computer .......................221
Settin gthe air distribution ...............129
Settin gthe airflow ............................ 129
SETUP (on-board computer) .............228 16
Index

Display messages Possible causes/consequences and
M Solutions
T!
÷
inoperative See
Owner'
sManual EB
D( electronic brak eforce distribution), ABS, ESP ®
,B AS ,PRE-
SAFE ®
,t he HOLD function and hill start assist are unavailable due
to am alfunction.
The adaptive brak elights ,BAS PLU Sand PRE-SAFE ®
Brake may
also hav efailed.
In addition ,the ÷ ,å and! warnin glamp sligh tupin
the instrument cluster and awarning ton esounds.
G WARNING
The brake system continues to function normally, but without the
function slisted above. The fron tand rea rwheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec-
ted. The braking distance in an emergency braking situation can
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
The danger of skidding and having an accident increases.
X Drive on carefully.
X Visit aqualified specialist workshop immediately. J
Release parking
brake You are driving with the parking brake applied.
Awarning tone also
sounds.
X Release th eparking brake. J
Check brake fluid
level Ther
eisi nsufficient brak efluid in the brak efluid reservoir.
In addition, the red Jwarnin glamp light supinthe instrument
cluster and awarnin gtones ounds.
G WARNING
The braking efficiency may be impaired.
There is arisk of an accident.
X Pull over and stop the vehicle safely as soon as possible ,paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rollin gaway (Y page 159).
X Consult aqualified specialist workshop.
X Do not top up the brak efluid. This does not correc tthe error. #
Chec
kbrakep ad wear The brak
epads/linings have reached their wear limit.
X Visit aqualified specialist workshop. 234
Display messagesOn-board computer and displays

Safety systems
Problem Possible causes/consequences and
M Solutions
J
The yellow brake sys-
tem warning lamp
lights up while the
engine is running.
G
WARNING
The brake system is malfunctioning and the braking characteris-
tics may be affected.
There is arisk of an accident.
X If the multifunction display shows adisplay message, please
observe this.
X Drive on carefully.
X Visit aqualified specialist workshop. J
The red brake system
warning lamp comes on
while the engine is run-
ning.
Awarning tone
also sounds. G
WARNING
The brake boosting effect is malfunctioning and the braking char-
acteristic smay be affected.
There is arisk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 159).
X Consult aqualified specialist workshop.
X Observe the additional display messages in the multifunction
display. J
The red brake system
warning lamp comes on
while the engine is run-
ning.
Awarning tone
also sounds. There is insufficient brake fluid in the brake fluid reservoir.
G WARNING
The braking efficienc ymay be impaired.
There is arisk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 159).
X Do not top up the brake fluid. Topping up will not rectify the
fault.
X Consult aqualified specialist workshop.
X Observe the additional display messages in the multifunction
display. 260
Warning and indicator lampsint
he instrument clusterOn-board computer and displays

R
seals
R trim elements
R ventilation slots
Damaged seals or electrical components
can lead to leaks or failures.
Cleaning the paintwork !
Do not affix:
R stickers
R films
R magnetic plates or similari tems
to painte dsurfaces .You could otherwise
damage the paintwork.
Scratches, corrosive deposits, areas affected
by corrosion and damage caused by inade-
quate care cannot always be completely
repaired. In such cases, visit aqualified spe-
cialist workshop.
X Remove impurities immediately, where
possible, whilst avoiding rubbing too hard.
X Soak insect remains with insect remover
and rinse off the treated areas afterwards.
X Soak bird droppings with water and rinse
off the treated areas afterwards.
X Remove coolant, brake fluid, tree resin,
oils, fuels and greases by rubbing gently
with acloth soaked in petroleum ether or
lighter fluid.
X Use tar remover to remove tar stains.
X Use silicone remover to remove wax.
Care and treatment of mattp aintwork!
Never polish the vehicle or the light alloy
wheels. Polishing makes the paintwork
shiny.
! The following may cause the paint to
become shiny and thus reduce the matt
effect:
R Vigorous rubbing with unsuitable mate-
rials.
R Frequent use of car washes.
R Washing the vehicle in direct sunlight. !
Never use paint cleaner, buffing or pol-
ishing products, or gloss preserver, e.g.
wax. These products are only suitable for
high-gloss surfaces. Their use on vehicles
with matt finish leads to considerable sur-
face damage (shiny, spotted areas).
Always have paintwork repairs performed
at aq ualified specialist workshop, e.g. a
Mercedes-Benz Servic eCentre.
! Do not use wash programs with ahot wax
treatment under any circumstances.
Observe these notes if your vehicle has a
clear matt finish. This will help you to avoid
damage to the paintwork due to incorrect
treatment.
These notes also apply to light-alloy wheels
with aclear matt finish.
i The vehicle should preferably be washed
by hand using asoft sponge, car shampoo
and plenty of water.
i Use only insect remover and car shampoo
from the range of recommended and
approved Mercedes-Benz care products. Cleaning vehicle parts
Cleaning the wheels !
Do not use acidic wheel cleaning products
to remove brake dust. This could damage
wheel bolts and brake components.
! Do not park up the vehicle for an extended
period straight after cleaning it, particularly
after having cleaned the wheels with wheel
cleaner. Wheel cleaners could cause
increased corrosion of the brake discs and
brake pads/linings. For this reason, you
should drive for afew minutes after clean-
ing. Brakin gheats the brake discs and the
brake pads/linings, thus drying them. The
vehicle can then be parked up. Care
303Maintenance and care Z

shows you which SAE classifications are to be
used. The low-temperature properties of
engine oils can be significantly impaired dur-
ing operation due to, for example, ageing or
soot and fuel accretion. It is therefore
strongly recommended to observe regularo il
changes using an approved engine oil with the
appropriate SA Eclassification. Brake fluid
G
WARNING
Over aperiod of time, the brak efluid absorbs
moisture fro mthe air; This lowers its boiling
point.
If the boiling point of the brake fluid is too low,
vapour pockets may form in the brake system
when the brakes are applied hard (e.g. when
driving downhill). This impairs braking effi-
ciency.
You should have the brake fluid renewed at
regular intervals. The brake fluid change inter-
vals can be found in the Service Booklet.
Only use brake fluid approved by Mercedes-
Benz according to MB Approval 331.0.
Information about approved brake fluid can
be obtained at any qualified specialist work-
shop or on the Internet at
http://bevo.mercedes-benz.com.
i Have the brake fluid renewed regularly at
aq ualified specialist workshop. Coolant
Important safety notes G
WARNING
Antifreeze is highly flammable. Fire, naked
flames and smoking are prohibited when han-
dling antifreeze.
If antifreeze comes into contact with hot
engine parts, it may ignite and you could burn
yourself. Do not spill any antifreeze on hot
engine parts. !
Only add coolant that has been premixed
with the desired antifreeze protection. You
could otherw ised amage the engine.
Further information on coolants can be
found in the Mercedes-Benz Specifications
for Service Products, MB Specifications for
Service Products 310.1, e.g. on the Inter-
net at http://bevo.mercedes-benz.com.
Or contact aqualified specialist workshop.
! Always use asuitable coolant mixture,
even in countries where high temperatures
prevail.
Otherwise, the engine cooling system is not
sufficiently protected from corrosio nand
overheating.
! The engine cooling system is filled with
coolant, which must be renewe dafter
15 years or after 250,000 kilometres at the
latest.
The coolant is amixture of water and anti-
freeze/corrosion inhibitor. It performs the
following tasks:
R anti-corrosio nprotection
R antifreeze protection
R raising the boiling point
If antifreeze/corrosion inhibitor is present in
the correct concentration, the boiling point of
the coolant during operation willbea pprox-
imatel y130 †.
The antifreeze/corrosion inhibitor concentra-
tion in the engine cooling system should:
R be at least 50%. Thi swillp rotect the engine
cooling system against freezing dow nto
approximately -3 7†.
R not exceed 55% (antifreeze protection
down to -45 †). Hea twill otherwise not be
dissipated as effectively.
If the vehicle has lost coolant, top it up with
equal amounts of water and antifreeze/cor-
rosio ninhibitor. Mercedes-Benz recom-
mend sana ntifreeze/corrosion inhibito rcon-
centrate in accordanc ewith MB Specifica-
tions for Servic eProducts 310.1. Service products and capacities
365Technical data Z