2012 MERCEDES-BENZ B-CLASS oil additives
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1, 2, 3 ...
12 V socket see Sockets A
ABS (Anti-lock Braking System) Display message ............................ 201
Function/notes ................................
59
Important safety notes .................... 59
Warning lamp ................................. 225
Activating/deactivating cooling
with air dehumidification ................. 123
Active Parking Assist Canceling ....................................... 176
Detecting parking spaces .............. 173
Display message ............................ 216
Exiting a parking space .................. 175
Function/notes ............................. 173
Important safety notes .................. 172
Parking .......................................... 174
ADAPTIVE BRAKE ................................. 64
Adaptive Brake Assist Function/notes ................................ 61
Adaptive brake lamps .........................62
Adaptive Highbeam Assist Display message ............................ 212
Function/notes ............................. 102
Switching on/off (on-board
computer) ...................................... 197
Additional speedometer ................... 196
Additives (engine oil) ........................332
Air bags Deployment ..................................... 39
Front air bag (driver, front
passenger) ....................................... 42
Important safety notes .................... 41
Knee bag .......................................... 44
Safety guidelines ............................. 40
Side impact air bag .......................... 44
Window curtain air bag ....................45
Air-conditioning system
see Climate control
Air vents
Important safety notes .................. 130
Rear ............................................... 131
Setting ........................................... 130Setting the center air vents
...........130
Setting the side air vents ............... 130
Alarm system
see ATA (Anti-Theft Alarm system)
Ambient lighting
Setting the brightness (on-board
computer) ...................................... 197
Anti-lock braking system
see ABS (Anti-lock Braking System)
Anti-theft alarm system
see ATA (Anti-Theft Alarm system)
Ashtray ............................................... 249
Assistance menu (on-board
computer) .......................................... 194
ASSYST PLUS Displaying a service message ........ 270
Hiding a service message .............. 270
Notes ............................................. 270
Resetting the service interval
display ........................................... 270
Service message ............................ 270
Special service requirements ......... 271
ATA (Anti-Theft Alarm system)
Activating/deactivating ................... 65
Function ........................................... 65
Switching off the alarm .................... 65
ATTENTION ASSIST
Activating/deactivating ................. 195
Display message ............................ 215
Function/notes ............................. 180
Audio menu (on-board computer) .... 192
Audio system see separate operating instructions
Authorized Centers
see Qualified specialist workshop
Authorized Mercedes-Benz Center
see Qualified specialist workshop
Authorized workshops
see Qualified specialist workshop
AUTO lights
Display message ............................ 211
see Lights
Automatic engine start (ECO start/
stop function) .................................... 137
Automatic engine switch-off (ECO
start/stop function) .......................... 137
Automatic headlamp mode ................994
Index
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E
EASY-VARIO-PLUS system Cargo compartment enlargement ..240
EBD (electronic brake force
distribution)
Display message ............................ 203
Function/notes ................................
64
ECO display
Function/notes ............................. 153
On-board computer ....................... 190
ECO start/stop function
Automatic engine start .................. 137
Automatic engine switch-off .......... 137
Deactivating/activating ................. 138
General information ....................... 136
Important safety notes .................. 136
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Emergency release
Driver's door .................................... 75
Vehicle ............................................. 75
Emergency spare wheel
General notes ................................ 325
Important safety notes .................. 325
Removing ....................................... 326
Technical data ............................... 326
Emergency Tensioning Devices
Activation ......................................... 39
Function ........................................... 49
Safety guidelines ............................. 40
Emergency unlocking
Tailgate ............................................ 76
Emissions control
Service and warranty information .... 21
Engine
Check Engine warning lamp ........... 231
Display message ............................ 212
ECO start/stop function ................ 136
Engine number ............................... 329
Irregular running ............................ 139
Jump-starting ................................. 289
Starting problems .......................... 139
Starting the engine with the
SmartKey ....................................... 135
Switching off .................................. 150
Tow-starting (vehicle) ..................... 294 Engine electronics
Problem (malfunction) ...................139
Engine oil
Adding ........................................... 268
Additives ........................................ 332
Checking the oil level ..................... 267
Checking the oil level using the
dipstick
.......................................... 268
Display message ............................ 214
Filling capacity ............................... 332
Notes about oil grades ................... 332
Notes on oil level/consumption .... 267
Viscosity ........................................ 332
ESP ®
(Electronic Stability
Program) Deactivating/activating ................. 194
Deactivating/activating (notes) ....... 63
Display message ............................ 201
ETS .................................................. 62
Function/notes ......................... 62, 63
Important safety information ........... 62
Warning lamp ................................. 227
ETS (Electronic Traction System) ....... 62
Exhaust check ................................... 152
Exhaust pipe (cleaning instructions) 275
Exterior lighting Setting options ................................ 98
see Lights
Exterior mirrors
Adjusting ......................................... 92
Dipping (automatic) .........................93
Folding in/out (automatically) ......... 93
Folding in/out (electrically) ............. 93
Folding in when locking (on-board
computer) ...................................... 199
Out of position (troubleshooting) .....93
Setting ............................................. 93
Storing settings (memory function) .. 95
Storing the parking position ............. 94
Eyeglasses compartment ................. 237 F
Filler cap see Fuel filler flap
First-aid kit ......................................... 280
Flat tire MOExtended tires .......................... 281 Index
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Checking the oil level using the oil
dipstick
Example
X
Pull oil dipstick : out of the dipstick guide
tube.
X Wipe off oil dipstick :.
X Slowly slide oil dipstick : into the guide
tube to the stop, and take it out again.
If the level is between MIN mark = and
MAX mark ;, the oil level is correct.
X If the oil level has dropped to MIN mark
= or below, add 1.1 US qt
(1.0 liter) of
engine oil.
Adding engine oil G
WARNING
If engine oil comes into contact with hot
components in the engine compartment, it
may ignite. There is a risk of fire and injury.
Make sure that engine oil is not spilled next
to the filler neck. Let the engine cool down
and thoroughly clean the engine oil off the
components before starting the engine. H
Environmental note
When adding oil, take care not to spill any. If
oil enters the soil or waterways, it is harmful
to the environment.
! Only use engine oils and oil filters that
have been approved for vehicles with a
service system. You
can obtain a list of the
engine oils and oil filters tested and
approved in accordance with the Mercedes-Benz Specifications for Service
Products at any Mercedes-Benz Service
center.
Damage to
the
engine or exhaust system is
caused by the following:
R using engine oils and oil filters that have
not been specifically approved for the
service system
R replacing engine oil and oil filters after
the interval for replacement specified by
the service system has been exceeded
R using engine oil additives.
! Do not add too much oil. adding too much
engine oil can result in damage to the
engine or to the catalytic converter. Have
excess engine oil siphoned off. Example: engine oil cap
X
Turn cap : counter-clockwise and remove
it.
X Add engine oil.
If the oil level is at or below the MIN mark
on the oil
dipstick, add 1.1 US qt (1.0 liter)
of engine oil.
X Replace cap : on the filler neck and turn
clockwise.
Ensure that the cap locks into place
securely.
X Check the oil level again with the oil
dipstick (Y page 268).
Further information on engine oil
(Y page 332). 268
Engine compartment
Maintenance and care
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R
if the vehicle
is carrying a light load, e.g.
two passengers without luggage, do not
allow the engine to rev above 3000 rpm.
R if the vehicle is fully loaded or is being
operated in mountainous terrain, do not
depress the accelerator pedal further
than Ô of the pedal travel.
Only refuel using premium-grade unleaded
gasoline with a minimum octane rating of 91.
Reformulated Gasoline (RFG) and/or
unleaded gasoline with additives can be used.
The concentration of additives in the fuel,
however, must not exceed 10%, e.g.:
R Ethanol
R TAME
R ETBE
R IPA
R TBA
For MTBE, the concentration should not
exceed 15%.
The concentration of methanol in gasoline,
including other additives, must not exceed
3%.
Using mixtures of methanol and ethanol is not
permitted. Gasohol, a mixture of 10% ethanol
and 90% unleaded gasoline, may be used.
All of these blends must fulfill the fuel
requirements, e.g.:
R knock resistance
R boiling point
R vapor pressure
You will usually find information about the fuel
grade on the pump. If you cannot find the
label on the pump, ask the staff for
assistance.
i For more information, contact a qualified
specialist workshop.
Information on refueling (Y page 147).
Additives
! Operating the engine with fuel additives
can increase wear and tear to the fuel
system high-pressure pump and lead to contamination of the entire fuel system.
The repair costs are high. This does not
include additives for the removal and
prevention of residue buildup. gasoline
must only be mixed with additives
recommended by Mercedes-Benz. More
information about
recommended
additives
can be obtained from any authorized
Mercedes-Benz Center.
One of the main problems of poor fuel quality
is the forming of deposits that are created
during the gasoline combustion process.
Mercedes-Benz recommends that you use
branded fuels that have additives.
If you use fuels without these additives over
a longer period of time, carbon deposits may
build up. These deposits form at the inlet
valves and in the combustion chamber in
particular.
This could lead to engine problems, e.g.:
R longer engine warm-up phase
R uneven idle
R engine noise
R misfiring
R loss of power
Carbon deposits may form if the availability
of gasoline with relevant additives is
insufficient (in certain regions). In this case,
Mercedes-Benz recommends additives
approved for use in Mercedes-Benz vehicles;
see http://bevo.mercedes-benz.com.
For a list of approved products, consult an
authorized Mercedes-Benz Center. Comply
with the instructions for use on the product
label.
Do not mix other fuel additives with fuel. This
causes unnecessary costs and could damage
the engine. Service products and filling capacities
331
Technical data Z
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Engine oil
General notes !
Never use engine oil or an oil filter of a
specification other than is necessary to
fulfill the prescribed service intervals. Do
not change the engine oil or oil filter in
order to achieve longer replacement
intervals than those prescribed. You could
otherwise cause engine
damage or damage
to the exhaust gas aftertreatment.
Follow the instructions in the service
interval display regarding the oil change.
Otherwise, you may damage the engine and
the exhaust gas aftertreatment.
When handling engine oil, observe the
important safety notes on service products
(Y page 329).
The engine oils are matched to the
performance of Mercedes-Benz engines and
service intervals. You should therefore only
use engine oils and oil filters that are
approved for vehicles with maintenance
systems.
For a list of approved engine oils and oil filters,
consult an authorized Mercedes-Benz
Center. Or visit the website
http://bevo.mercedes-benz.com.
The table shows which engine oils have been
approved for your vehicle. Model Engine
model MB
Approval B 250
BlueEFFICIENCY
270 229.5
i
MB approval is indicated on the oil
containers.
Filling capacities The following values refer to an oil change
including the oil filter.
Model Capacity
B 250 BlueEFFICIENCY
5.9 US qt (
5.6 l) Additives
!
Do not use
any additives in the engine oil.
This could damage the engine.
Engine oil viscosity Viscosity describes the flow characteristics
of a
fluid.
If an engine oil has a high viscosity,
this means that it is thick; a low viscosity
means that it is thin.
Select an engine oil with an SAE classification
(viscosity) suitable for the prevailing outside
temperatures. The table shows you which
SAE classifications are to be used. The low-
temperature characteristics of engine oils
can deteriorate significantly, e.g. as a result
of aging, soot and fuel deposits. It is therefore
strongly recommended that you carry out
regular oil changes using an approved engine
oil with the appropriate SAE classification. Brake fluid
G
WARNING
The brake fluid constantly absorbs moisture
from the air. This lowers the boiling point of
the brake fluid.
If the boiling point of the brake
fluid is too low, vapor pockets may form in the
brake system when the brakes are applied
hard. This would impair braking efficiency.
There is a risk of an accident.
You should have the brake fluid renewed at
the specified intervals. 332
Service products and filling capacities
Technical data
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