2010 Mercedes-benz C Class Owners Manual

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Exterior view

Exterior view

i This Operator’s Manual describes all features, standard or optional, potentially available

for your vehicle at the time of purchase. Please be aware that your vehicle might not be equipped with all features described in this manual.

Function

: Trunk:

Locking and unlocking

Opening and closing Valet locking

; Rear lamps = Rear window defroster ? Fuel filler flap A Exterior rear view mirrors B Power tilt/sliding sunroof Panorama roof with power tilt/sliding panel

C Windshield:

Wiping with washer fluid Cleaning

Page

Function

Page

D Doors:

Locking and unlocking

E Wipers

Wiper blades, replacing Wiper blades, cleaning

F Hood G Front lamps H Headlamp cleaning system I Front towing eye J Tires and wheels

Rims and tires

K Rear towing eye

70, 309
96
316
264
224
314
93
326
229
344
326

70, 309
75
77
314
196
222
86
196

199

97
264

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Cockpit

Cockpit

27

Function

Page

Function

Page

: Steering wheel gearshift

control

; Cruise control lever = Instrument cluster ? Multifunction steering

wheel A Horn B Front Parktronic warning indicators, Canada only C Overhead control panel D Glove box E Glove box lock F Center console G Starter switch

KEYLESS-GO start/stop button

112
180
116

118

186
32
205
206
31
77

78

H Steering wheel release

handle (manual)

I Steering wheel adjustment

stalk (electrical)

J Combination switch:

Turn signals Wipers High beam

K Parking brake pedal L Parking brake release M On-board diagnostics

(OBD) socket

N Hood lock release O Exterior lamp switch P Door control panel and seat

adjustment/memory

85

85

93
96
93
105
105

224
90

33

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28

Instrument cluster

Instrument cluster

Function

Page

Function

: Combination gauge with:

= d ESP® warning lamp

Fuel gauge 8 Fuel tank reserve warning lamp Coolant temperature gauge ? Coolant temperature warning lamp Indicator/warning lamps: K High-beam headlamp indicator lamp L Low-beam headlamp indicator lamp ; Engine malfunction indicator lamp $ Brake warning lamp, USA only J Brake warning lamp, Canada only

; # Left turn signal

indicator lamp

118

304
117

305

93

91

305

300

300

93

? Speedometer A Multifunction display B ! Right turn signal

indicator lamp

C Tachometer with:

N Front fog lamps indicator lamp R Rear fog lamp indicator lamp å ESP OFF warning lamp, C 63 AMG only h Combination low tire pressure/TPMS malfunction telltale, USA only 6 Supplemental Restraint System (SRS) indicator lamp

Page 62, 302

120

93

92

92
64, 302

234, 306

36, 302

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Function ! Antilock Brake System (ABS) indicator lamp 7 Seat belt telltale

D Outside temperature (manual transmission) Permanent display: Outside temperature or speedometer (automatic transmission)

E Outside temperature

(automatic transmission) F Program mode indicator (automatic transmission)

G Transmission position indicator/gear range indicator (automatic transmission) Additional speedometer (manual transmission)

H Digital clock I Instrument cluster

illumination

Multifunction steering wheel

29

Page

Multifunction steering wheel

61, 298
51, 301

118

118, 132
118, 132

111

109, 111

132
132

117

Page 120

128
128

128
128
129

126
124

Function

: Multifunction display ; Press button ~:

to end a call to reject an incoming call Press button 6: to answer a call to dial1
to redial1
Press button W or X: to set the volume to operate the RACETIMER2
Press button 8 to mute

= Press button ? to

activate the Voice Control System3

1 Function only available in telephone menu. 2 AMG vehicles only. 3 The Voice Control System is only available with the COMAND system. Refer to separate operating

instructions.

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30 Multifunction steering wheel

Function Press button a: to confirm selection or message to switch to the phone book1
to dial a selected phone number1

Page

120

128

128

Function

? Press button % briefly:

to go to the next higher menu level to confirm display message to cancel the Voice Control System3
Press and hold button % to select the standard display

A Press button = or ;:

to call up line for main menus to scroll to the left or right to select menus Press button 9 or : briefly: to select submenus to scroll up or down through lists to select previous or next track, scene, or stored station within Audio menu to switch to the phone book and select a name or number within Tel menu Press and hold button 9 or :: to select previous or next track or scene with quick search or to select previous or next station in waveband (if no station list is available) within Audio menu to start the quick search in the phone book within Tel menu

Page

120
120

120
120

120

126

128

120

126

128

3 The Voice Control System is only available with the COMAND system. Refer to separate operating

instructions.

1 Function only available in telephone menu.

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Center console Upper part

Center console

31

Function

Page

D Parktronic system

deactivation switch, Canada only

E Rear window sunshade

switch

F Sport driving mode on/off

button

G Dual-zone automatic

climate control Rear window defroster

H Seat heating, driver’s side

187

208

184

189
196
84

Function

: Audio display cover ; Hazard warning flasher

switch

= Alarm system indicator

lamp

? Front passenger front air

bag off indicator lamp, USA only Front passenger front air bag off indicator lamp, Canada only

A Electronic Stability

Program (ESP®) switch

B Audio system

or COMAND system, see separate operating instructions

C Seat heating, front

passenger side

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93

67

42, 308

46, 307

63
136

84

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32 Overhead control panel

Lower part

Overhead control panel

Function

: Ashtray

Cigarette lighter

; Gear shift lever for manual

transmission Gear selector lever for automatic transmission

= Cup holder ? Front armrest storage

compartments A Audio controller

COMAND controller (see separate operating instructions)

B Program mode selector

switch for automatic transmission

Page 209
209

107

108
207

206
140

111

Function

: Rear interior lighting on/off ; Interior lighting control = Right reading lamp on/off ? Power tilt/sliding sunroof

switch or Power tilt/sliding panel switch

A Information button (Tele

Aid system)

B SOS button (Tele Aid

system)

C Interior rear view mirror D Integrated electronic

compass

E Garage door opener

Page 95
95
95

196

200

215

213
86

210
216

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Door control panel, seat adjustment

33

Function

Page

Door control panel, seat adjustment

F Hands-free microphone for

Tele Aid (emergency call system), telephone and Voice Control System4

G Roadside Assistance

button (Tele Aid system) H Left reading lamp on/off I Front interior lighting on/

off

214
95

95

Function

Door control panel, vehicles with memory function Page 74
75
82

: Inside door handle ; Central unlocking switch = Seat adjustment ? Memory function (for storing seat, exterior mirror, and steering wheel settings)

A Exterior rear view mirrors

adjustment Power-folding exterior rear view mirrors, Canada only

B Switches for opening/

closing front and rear door windows

C Rear door window override

switch

4 The Voice Control System is only available with the COMAND system. Refer to separate operating

instructions.

89

86

88

98

59

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34 Door control panel, seat adjustment

Function

D Trunk opening switch E Central locking switch

Page 75
75

Seat adjustment, vehicles without memory function

Function

= Seat adjustment

Page 80

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Vehicle equipment .............................. 36
Occupant safety .................................. 36
Panic alarm .......................................... 60
Driving safety systems ....................... 60
Anti-theft systems .............................. 66

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G Warning! Modifications to or work improperly conducted on restraint system components or their wiring, as well as tampering with interconnected electronic systems, can lead to the restraint systems no longer functioning as intended. Air bags or Emergency Tensioning Devices (ETDs), for example, could deploy inadvertently or fail to deploy in accidents although the deceleration threshold for air bag deployment is exceeded. Therefore, never modify the restraint systems. Do not tamper with electronic components or their software.

i See “Children in the vehicle” (Y page 54) for information on Rinfants and children traveling with you in

the vehicle

Rrestraint systems for infants and children

SRS indicator lamp The SRS system conducts a self-test when the ignition is switched on and in regular intervals while the engine is running. This facilitates detection of system malfunctions. The SRS indicator lamp 6 in the instrument cluster comes on when the ignition is switched on. It goes out no later than a few seconds after the engine has been started. The SRS components are in operational readiness when the SRS indicator lamp 6 is not lit while the engine is running.

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Vehicle equipment

i This Operator’s Manual describes all

features, standard or optional, potentially available for your vehicle at the time of purchase. Please be aware that your vehicle might not be equipped with all features described in this manual.

Occupant safety Introduction In this section you will learn the most important facts about the restraint system components of the vehicle. The restraint systems are: RSeat belts RChild restraints RLower Anchors and Tethers for CHildren

(LATCH) also known as ISOFIX

Additional protection potential is provided by: RSupplemental Restraint System (SRS) with

- Air bags - Air bag control unit (with crash sensors) - Emergency Tensioning Device (ETD) for

seat belts

- Seat belt force limiter

RNECK-PRO active front head restraints RAir bag system components with

- Front passenger front air bag off

indicator lamp

- USA only: Front passenger seat with

Occupant Classification System (OCS) - Canada only: Front passenger seat with BabySmart™ air bag deactivation system Although the systems are independent, their protective functions work in conjunction with each other.

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G Warning! The SRS self-check has detected a malfunction when the SRS indicator lamp Rdoes not come on at all Rfails to go out after approximately

4 seconds after the engine was started

Rcomes on after the engine was started or

while driving

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. The SRS might also deploy unexpectedly and unnecessarily which could also result in injury as well. In addition, improper work on the SRS creates a risk of rendering the SRS inoperative or causing unintended air bag deployment. Work on the SRS must therefore only be performed by qualified technicians. Contact an authorized Mercedes-Benz Center. If it is necessary to modify an air bag system to accommodate a person with disabilities, contact an authorized Mercedes-Benz Center. USA only: Call our Customer Assistance Center at 1-800-FOR-MERCedes (1-800-367-6372) for details.

Air bags G Warning! Air bags are designed to reduce the potential of injury and fatality in certain Rfrontal impacts (front air bags and driver’s

side knee bag)

Rside impacts (side impact air bags, window

curtain air bags and pelvis air bags)

However, no system available today can completely eliminate injuries and fatalities.

Occupant safety

37

Deployment of the air bags temporarily releases a small amount of dust from the air bags. This dust, however, is neither harmful to your health, nor does it indicate a fire in the vehicle. The dust might cause some temporary breathing difficulty for people with asthma or other breathing trouble. To avoid this, you may wish to get out of the vehicle as soon as it is safe to do so. If you have any breathing difficulty but cannot get out of the vehicle after the air bag inflates, then get fresh air by opening a window or door. G Warning! To reduce the risk of injury when the front air bags inflate, it is very important for the driver and front passenger to always be in a properly seated position and to wear their respective seat belt. For maximum protection in the event of a collision always be in normal seated position with your back against the seat backrest. Fasten your seat belt and make sure it is properly positioned on your body. Since the air bag inflates with considerable speed and force, a proper seating position and correct positioning of the hands on the steering wheel will help to keep you at a safe distance from the air bag. Occupants who are not wearing their seat belt, are not seated properly or are too close to the air bag can be seriously injured or killed by an air bag as it inflates with great force instantaneously: RSit with the seat belt properly fastened in a position that is as upright as possible with your back against the seat backrest. RMove the driver’s seat as far back as

possible, still permitting proper operation of vehicle controls. The distance from the center of the driver’s chest to the center of the air bag cover on the steering wheel must be at least 10 inches (25 cm) or more. You should be able to accomplish this by adjusting the seat and steering wheel. If

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you have any difficulties, please contact an authorized Mercedes-Benz Center.

RDo not lean your head or chest close to the

steering wheel or dashboard.

RKeep hands on the outside of the steering wheel rim. Placing hands and arms inside the rim can increase the risk and potential severity of hand/arm injury when the driver front air bag inflates.

RAdjust the front passenger seat as far as

possible rearward from the dashboard when the seat is occupied.

ROccupants, especially children, should

never place their bodies or lean their heads in the area of the door where the side impact air bag inflates. This could result in serious injuries or death should the side impact air bag be deployed. Always sit as upright as possible, wear the seat belt properly and use an appropriately sized infant restraint, toddler restraint, or booster seat recommended for the size and weight of the child.

RCanada only: Children 12 years old and under must never ride in the front seat, except in a Mercedes-Benz authorized BabySmart™ compatible child seat, which operates with the BabySmart™ air bag deactivation system installed in the vehicle to deactivate the front passenger front air bag when it is installed properly. Otherwise they will be struck by the air bag when it inflates in a crash. If this happens, serious or fatal injury will result.

Failure to follow these instructions can result in severe injuries to you or other occupants. If you sell your vehicle, it is important that you make the buyer aware of this safety information. Be sure to give the buyer this Operator’s Manual. G Warning! Accident research shows that the safest place for children in an automobile is in a rear seat.

There is a possibility for a side impact air bag- related injury if occupants, especially children, are not properly seated or restrained when next to a side impact air bag which needs to deploy rapidly in a side impact in order to do its job. To help avoid the possibility of injury, please follow these guidelines:

(1)

(2)

Always sit as upright as possible, wear the seat belt properly, and for children 12 years old and under, use an appropriately sized infant restraint, toddler restraint, or booster seat recommended for the size and weight of the child. Always wear seat belts properly.

Air bags are designed to deploy only in certain Rfrontal impacts (front air bags and driver’s

side knee bag)

Rside impacts (side impact air bags, pelvis air bags and window curtain air bags) if the system determines the need for air bag deployment

Only in the event of such a situation will they provide their supplemental protection. The driver and passengers should always wear their seat belts. Otherwise it is not possible for the air bags to provide their supplemental protection. In case of other types of impacts and impacts below air bag deployment thresholds, air bags will not deploy. The driver and passengers will then be protected to the extent possible by a properly fastened seat belt. A properly fastened seat belt is also needed to provide the best possible protection in a rollover. Air bags are not a substitute for seat belts. Always wear your seat belt, regardless of whether or not your vehicle is equipped with air bags. It is important to your safety and that of your passengers to have deployed air bags

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replaced and to have any malfunctioning air bags repaired. This will help to make sure the air bags will continue to provide supplemental crash protection for occupants.

Safety guidelines for the seat belt, Emergency Tensioning Device (ETD) and air bag G Warning! RDamaged seat belts or seat belts that have been subjected to stress in an accident must be replaced. Their anchoring points must also be checked. Only use seat belts installed or supplied by an authorized Mercedes-Benz Center.

RAir bags and pyrotechnic Emergency

Tensioning Devices (ETDs) contain perchlorate material, which may require special handling and regard for the environment. Check with your local government’s disposal guidelines. California residents, see www.dtsc.ca.gov/HazardousWaste/ Perchlorate/index.cfm.

RAir bags and ETDs are designed to function on a one-time-only basis. An air bag or ETD that has deployed must be replaced.

RDo not pass seat belts over sharp edges.

They could tear.

RDo not make any modification that could

change the effectiveness of the seat belts. RDo not bleach or dye seat belts as this may severely weaken them. In a crash they may not be able to provide adequate protection. RNo modifications of any kind may be made

to any components or wiring of the SRS.

RDo no change or remove any component or

part of the SRS.

RDo not install additional trim material, seat

covers, badges, etc. over the steering wheel hub, front passenger front air bag cover, outboard sides of the seat

Occupant safety

39

backrests, door trim panels, or door frame trims.

RDo not install additional electrical/

electronic equipment on or near SRS components and wiring.

RKeep area between air bags and occupants

free of objects (e.g. packages, purses, umbrellas, etc.).

RDo not hang items such as coat hangers from the coat hooks or handles over the door. These items may be thrown around in the vehicle and cause head and other injuries when the window curtain air bag is deployed.

RAir bag system components will be hot after an air bag has inflated. Do not touch them.

RNever place your feet on the instrument panel, dashboard, or on the seat. Always keep both feet on the floor in front of the seat.

RImproper repair work on the SRS creates a

risk of rendering the SRS inoperative or causing unintended air bag deployment. Work on the SRS must therefore only be performed by qualified technicians. Contact an authorized Mercedes-Benz Center.

RFor your protection and the protection of others, when scrapping the air bag unit or ETD, our safety instructions must be followed. These instructions are available from any authorized Mercedes-Benz Center.

RGiven the considerable deployment speed, required inflation volume, and the material of the air bags, there is the possibility of abrasions or other, potentially more serious injuries resulting from air bag deployment.

If you sell your vehicle, we strongly recommend that you inform the subsequent owner that the vehicle is equipped with SRS. Also refer them to the applicable section in the Operator’s Manual.

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40 Occupant safety

Front air bags G Observe Safety notes, see page 37.

Driver’s front air bag : and front passenger front air bag ; are designed to provide increased protection for the driver and front passenger against the risk of injuries to the head and thorax. Driver and front passenger front air bag and driver’s side knee bag are deployed Rin the event of certain frontal impacts Rif the system determines that air bag

deployment can offer additional protection to that provided by the seat belt

Rdepending on whether the respective seat

belt is in use

Rindependently of the side impact air bags, pelvis air bags and/or the window curtain air bags

The front air bags in this vehicle have been designed to inflate in two stages. This allows the air bags to have different rates of inflation. The rate of inflation is based on the vehicle deceleration rate as assessed by the air bag control unit. Vehicles with OCS, USA only: The front passenger front air bag deployment is additionally influenced by the passenger’s weight category as identified by the Occupant Classification System (OCS) (Y page 42). Vehicles with OCS, USA only: The lighter the front passenger-side occupant, the higher the vehicle deceleration rate required for second

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stage inflation of the front passenger front air bag. The air bags will not deploy in impacts which do not exceed the system’s preset deployment thresholds. You will then be protected by the fastened seat belts. The front air bags will not deploy in the event of a rollover unless the vehicle’s rate of longitudinal deceleration or acceleration exceeds the preset deployment threshold for the front air bags. The front passenger front air bag will only be deployed if Rvehicles with OCS, USA only: the system,

based on OCS weight sensor readings, detects that the front passenger seat is occupied

Rthe 45 indicator lamp in the center

console is not lit (USA only: (Y page 42), Canada only: (Y page 46))

Rthe impact exceeds a preset deployment

threshold

! Vehicles with BabySmart™ air bag

deactivation system (Canada only): Do not place objects heavier than 20 lb (9 kg) on the front passenger seat. This could cause the front or side impact air bag on the front passenger side to deploy in a crash which exceeds the system’s deployment threshold. Knee bag Knee bag = is designed to provide increased protection for the driver against the risk of injuries to the knees, thighs and lower legs. Knee bag = is located on the driver side lower instrument panel. It is designed to operate together with the driver front air bag in certain frontal impacts if the system determines that air bag deployment can offer additional protection to that provided by the seat belt. Knee bag = operates best in conjunction with a properly positioned and fastened seat belt.

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Side impact air bags G Observe Safety notes, see page 37. G Warning! The pressure sensors for side impact air bag control are located in the doors. Do not modify any components of the doors or door trim panels including, for example, the addition of door speakers. Improper repair work on the doors or the modification or addition of components to the doors create a risk of rendering the side impact air bags inoperative or causing unintended air bag deployment. Work on the doors must therefore only be performed by qualified technicians. Contact an authorized Mercedes-Benz Center.

Side impact air bags : are designed to provide increased protection for the thorax but not the head, neck and arms of the driver or front passenger. The side impact air bags : are deployed Ron the impacted side of the vehicle Rin instances with a high rate of lateral

vehicle deceleration or acceleration

Rregardless of whether the seat belts on the

impacted side of the vehicle are in use

Rindependently of the front air bags Rindependently of the ETDs Vehicles with OCS (USA only): The front passenger side impact air bag will not deploy if the OCS senses that the front passenger

Occupant safety

41

seat is empty and the front passenger seat belt is not fastened. With the front passenger seat empty and the seat belt fastened, the front passenger side impact air bag will deploy independently of the empty seat. Whether a seat belt is recognized as fastened depends on whether or not the latch plate is properly inserted into the buckle. Side impact air bags : are not deployed in side impacts which do not exceed the system’s deployment threshold. Side impact air bags : will not deploy in the event of a rollover unless the vehicle’s rate of lateral deceleration or acceleration exceeds the preset deployment threshold for side impact air bags :. ! Vehicles with BabySmart™ air bag

deactivation system (Canada only): Do not place objects heavier than 20 lb (9 kg) on the front passenger seat. This could cause the front or side impact air bag on the front passenger side to deploy in a crash which exceeds the system’s deployment threshold. G Warning! Only use seat covers which have been tested and approved by Mercedes-Benz for your vehicle model. Using other seat covers may interfere with or prevent the deployment of the side impact air bags and/or pelvis air bags. Contact an authorized Mercedes-Benz Center for availability.

Pelvis air bags G Observe Safety notes, see page 37. Pelvis air bags are not available on C 63 AMG.

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42 Occupant safety

Pelvis air bags : are designed to provide increased protection for the pelvis. Pelvis air bags : are deployed Rin instances with a high rate of lateral

vehicle deceleration or acceleration Ron the impacted side of the vehicle Rindependently of whether the seat belt is in

use

Rindependently of the front air bags Rindependently of the ETDs Vehicles with OCS, USA only: Front passenger pelvis air bag : will not deploy if the OCS senses that the front passenger seat is empty and the front passenger seat belt is not fastened. With the front passenger seat empty and the seat belt fastened, front passenger pelvis air bag : will deploy independently of the empty seat. Whether a seat belt is recognized as fastened depends on whether or not the latch plate is properly inserted into the buckle. Pelvis air bags : are not deployed in side impacts which do not exceed the system’s deployment threshold. Pelvis air bags : will not deploy in the event of a rollover unless the vehicle’s rate of lateral deceleration or acceleration exceeds the preset deployment threshold for pelvis air bags :. G Warning! Only use seat covers which have been tested and approved by Mercedes-Benz for your vehicle model. Using other seat covers may

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interfere with or prevent the deployment of the side impact air bags and/or pelvis air bags. Contact an authorized Mercedes-Benz Center for availability.

Window curtain air bags G Observe Safety notes, see page 37.

Window curtain air bags : are designed to provide increased protection for the head but not the chest or arms. Window curtain air bags : are deployed Ron the impacted side of the vehicle Rin instances with a high rate of lateral

vehicle deceleration or acceleration Rindependently of the front air bags Rregardless of whether the front passenger

seat is occupied

Rregardless of whether the seat belt on the

impacted side of the vehicle is in use

Window curtain air bags : are not deployed in impacts which do not exceed the system’s deployment threshold. Window curtain air bags : deploy in the area indicated by the arrows.

Occupant Classification System The Occupant Classification System (OCS) is standard equipment in USA. The OCS activates or deactivates the front passenger front air bag automatically. The respective status is based on the classified

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occupant weight category determined by weight sensor readings from the front passenger seat. The system does not deactivate Rthe front passenger side impact air bag Rthe pelvis air bag Rthe window curtain air bag Rthe Emergency Tensioning Devices (ETDs) To be classified correctly, the front passenger must sit Rwith the seat belt properly fastened Rin a position that is as upright as possible

with the back against the seat backrest

Rwith the feet on the floor If the occupant’s weight is transferred to another object in the vehicle (e.g. by leaning on armrests), the OCS may not be able to properly approximate the occupant’s weight category. If your seat, including the trim cover and cushion, needs to be serviced in any way, take the vehicle to an authorized Mercedes-Benz Center. Only seat accessories approved by Mercedes-Benz may be used. Both the driver and the front passenger should always use the 45 indicator lamp as an indication of whether or not the front passenger is properly positioned. G Warning! If the 45 indicator lamp illuminates when an adult or someone larger than a small individual is in the front passenger seat, have the front passenger reposition himself or herself in the seat until the 45
indicator lamp goes out. In the event of a collision, the air bag control unit will not allow front passenger front air bag deployment when the OCS has classified the front passenger seat occupant as weighting as much as or less than a typical 12-month- old child in a standard child restraint or if the

Occupant safety

43

front passenger seat is classified as being empty. When the OCS senses that the front passenger seat occupant is classified as being up to or less than the weight of a typical 12-month-old child in a standard child restraint, the 45 indicator lamp will illuminate when the engine is started and remain illuminated, indicating that the front passenger front air bag is deactivated. When the OCS senses that the front passenger seat is classified as being empty, the 45 indicator lamp will illuminate when the engine is started and remain illuminated, indicating that the front passenger front air bag is deactivated. When the OCS senses that the front passenger seat occupant is classified as being heavier than the weight of a typical 12-month-old child seated in a standard child restraint or as being a small individual (such as a young teenager or a small adult), the 45 indicator lamp will illuminate for approximately 6 seconds when the engine is started and then, depending on occupant weight sensor readings from the seat, remain illuminated or go out. With the 45
indicator lamp illuminated, the front passenger front air bag is deactivated. With the 45 indicator lamp out, the front passenger front air bag is activated. When the OCS senses that the front passenger seat occupant is classified as an adult or someone larger than a small individual, the 45 indicator lamp will illuminate for approximately 6 seconds when the engine is started and then goes out, indicating that the front passenger front air bag is activated. If the 45 indicator lamp is illuminated, the front passenger front air bag is deactivated and will not be deployed.

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If the 45 indicator lamp is not illuminated, the front passenger front air bag is activated and will be deployed Rin the event of certain frontal impacts Rif impact exceeds a preset deployment

threshold

Rindependently of the side impact air bags

or pelvis air bag

If the front passenger front air bag is deployed, the rate of inflation will be influenced by Rthe rate of relevant vehicle deceleration as

assessed by the air bag control unit

Rthe front passenger’s weight category as

identified by the OCS

For more information on air bag display messages in the multifunction display, see (Y page 272). G Warning! According to accident statistics, children are safer when properly restrained in the rear seating positions than in the front seating position. Thus, we strongly recommend that children be placed in the rear seats whenever possible. Regardless of seating position, children 12 years old and under must be seated and properly secured in an appropriate infant restraint, toddler restraint, or booster seat recommended for the size and weight of the child. The infant or child restraint must be properly secured with the vehicle’s seat belt, the seat belt and top tether strap, or lower anchors and top tether strap, fully in accordance with the child seat manufacturer’s instructions. Occupants, especially children, should always sit as upright as possible, wear the seat belt properly and use an appropriately sized infant restraint, toddler restraint, or booster seat recommended for the size and weight of the child.

Children can be killed or seriously injured by an inflating air bag. Note the following important information when circumstances require you to place a child in the front passenger seat: RYour vehicle is equipped with air bag

technology designed to deactivate the front passenger front air bag in your vehicle when the system senses the weight of a typical 12-month-old child or less along with the weight of a standard appropriate child restraint on the front passenger seat. RA child in a rear-facing child restraint on the

front passenger seat will be seriously injured or even killed if the front passenger front air bag inflates in a collision which could occur under some circumstances, even with the air bag technology installed in your vehicle. The only means to completely eliminate this risk is to never place a child in a rear-facing child restraint in the front seat. We therefore strongly recommend that you always place a child in a rear-facing child restraint in a backseat.

RIf you must install a rear-facing child restraint on the front passenger seat because circumstances require you to do so, make sure the 45 indicator lamp is illuminated, indicating that the front passenger front air bag is deactivated. Should the 45 indicator lamp not illuminate or go out while the restraint is installed, please check installation. Periodically check the 45 indicator lamp while driving to make sure the 45 indicator lamp is illuminated. If the 45 indicator lamp goes out or remains out, do not transport a child on the front passenger seat until the system has been repaired. A child in a rear-facing child restraint on the front passenger seat will be seriously

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injured or even killed if the front passenger front air bag inflates.

RIf you have to place a child in a forward-

facing child restraint on the front passenger seat, move the seat as far back as possible, use the proper child restraint recommended for the age, size and weight of the child, and secure child restraint with the vehicle’s seat belt according to the child seat manufacturer’s instructions. For children larger than the typical 12-month- old child, the front passenger front air bag may or may not be activated.

Deployment of the driver front air bag does not mean that the front passenger front air bag also should have deployed. The OCS may have determined Rthat the seat was empty or occupied by the weight up to or less than that of a typical 12-month-old child seated in a standard child restraint – both of which are instances where the system suppresses deployment of the front passenger front air bag even though the impact met the criteria and was of sufficient severity to deploy the driver front air bag

Rthat the seat was occupied by a small

individual (such as a young teenager or a small adult) or a child who weighs more than the weight of a typical 12-month-old child in a standard child restraint – both of which are instances where the system may suppress deployment of the front passenger front air bag even though the impact met the criteria and was of sufficient severity to deploy the driver front air bag

45 indicator lamp : will be illuminated, except with the SmartKey removed from the starter switch or with the starter switch in position 0. G Warning! If the red SRS indicator lamp 6 in the instrument cluster and the 45
indicator lamp are lit at the same time, there is a malfunction in the OCS. The front passenger front air bag will be deactivated in this case. Have the system checked by qualified technicians as soon as possible. Contact an authorized Mercedes-Benz Center. Only have the seat repaired or replaced at an authorized Mercedes-Benz Center. In order to ensure proper operation of the air bag system and OCS: RSit with the seat belt properly fastened in a position that is as upright as possible with your back against the seat backrest. RWhile seated, an occupant should not

position him/herself in such a way as to cause the occupant’s weight to be lifted from the seat bottom as this may result in the OCS being unable to correctly approximate the occupant’s weight category.

RRead and observe all warnings in this

chapter.

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OCS Self-test After turning the SmartKey in the starter switch to position 1 or 2 or pressing the KEYLESS-GO start/stop button once or twice, the 45 indicator lamp illuminates. If an adult occupant is properly sitting on the front passenger seat and the system classifies the occupant as an adult, the 45 indicator lamp will illuminate and go out after approximately 6 seconds. If the seat is not occupied and the system classifies the front passenger seat as being empty, the 45 indicator lamp will illuminate and not go out. G Warning! If the 45 indicator lamp does not illuminate, the system is not functioning. You must contact an authorized Mercedes-Benz Center before seating any child on the front passenger seat. For more information, see the “Practical hints” section (Y page 308). G Warning! Never place anything between seat cushion and child seat (e.g. pillow), since it reduces the effectiveness of the OCS. The bottom and back of the child seat must make full contact with the passenger seat cushion and backrest. If necessary, adjust the tilt of the passenger seat backrest. An incorrectly mounted child seat could cause injuries to the child in case of an accident, instead of increasing protection for the child. Follow the manufacturer’s instructions for installation of child seats.

BabySmart™ air bag deactivation system The BabySmart™ air bag deactivation system is standard equipment in Canada.

G Warning! According to accident statistics, children are safer when properly restrained in the rear seating positions than in the front seating position. Thus, we strongly recommend that children be placed in the rear seats whenever possible. Regardless of seating position, children 12 years old and under must be seated and properly secured in an appropriate infant restraint, toddler restraint, or booster seat recommended for the size and weight of the child. The infant or child restraint must be properly secured with the vehicle’s seat belt, the seat belt and top tether strap, or lower anchors and top tether strap, fully in accordance with the child seat manufacturer’s instructions. Occupants, especially children, should always sit as upright as possible, wear the seat belt properly and use an appropriately sized infant restraint, toddler restraint, or booster seat recommended for the size and weight of the child. Children can be killed or seriously injured by an inflating air bag. Note the following important information when circumstances require you to place a child in the front passenger seat: RChildren 12 years old and under must never ride in the front seat, except in a Mercedes- Benz authorized BabySmart™ compatible child seat, which operates with the BabySmart™ system installed in the vehicle to deactivate the front passenger front air bag when it is installed properly. Otherwise they will be struck by the air bag when it inflates in a crash. If this happens, serious or fatal injury will result.

RA child in a rear-facing child restraint on the

front passenger seat will be seriously injured or even killed if the front passenger front air bag inflates in a collision which could occur under some circumstances, even with the air bag technology installed in your vehicle. The only means to

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completely eliminate this risk is to never place a child in a rear-facing child restraint in the front seat. We therefore strongly recommend that you always place a child in a rear-facing child restraint in a backseat.

RIf you must install a BabySmart™

compatible rear-facing child restraint on the front passenger seat because circumstances require you to do so, make sure the 45 indicator lamp is illuminated, indicating that the front passenger front air bag is deactivated. Should the 45 indicator lamp not illuminate or go out while the restraint is installed, please check installation. Periodically check the 45 indicator lamp while driving to make sure the 45 indicator lamp is illuminated. If the 45 indicator lamp goes out or remains out, do not transport a child on the front passenger seat until the system has been repaired. A child in a rear-facing child restraint on the front passenger seat will be seriously injured or even killed if the front passenger front air bag inflates.

RIf you have to place a child in a forward-

facing child restraint on the front passenger seat, move the seat as far back as possible, use the proper child restraint recommended for the age, size and weight of the child, and secure child restraint with the vehicle’s seat belt according to the child seat manufacturer’s instructions. G Warning! When using a BabySmart™ compatible child seat on the front passenger seat, the front passenger front air bag will not deploy only if the 45 indicator lamp remains illuminated. Please be sure to check the 45
indicator lamp every time you use a BabySmart™ compatible child seat on the front passenger seat. Should the 45

indicator lamp go out while the restraint is installed, please check installation. If the 45 indicator lamp remains out, do not use the BabySmart™ restraint to transport a child on the front passenger seat until the system has been repaired.

Special BabySmart™ compatible child seats, designed for use with the Mercedes-Benz system, are required for use with the BabySmart™ air bag deactivation system. Please contact an authorized Mercedes-Benz Center for information on availability. With the special child seat installed properly, the front passenger front air bag will not deploy. 45 indicator lamp : will be illuminated, except with the SmartKey removed from the starter switch or with the starter switch in position 0. The system does not deactivate Rthe side impact air bag Rthe pelvis air bag Rthe window curtain air bag Rthe Emergency Tensioning Device (ETD)

Self-test BabySmart™ without special child seat installed After turning the SmartKey in the starter switch to position 1 or 2 or pressing the KEYLESS-GO start/stop button once or twice, the 45 indicator lamp comes on for approximately 6 seconds and then goes out.

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48 Occupant safety

If the 45 indicator lamp should not come on or is continuously lit, the system is not functioning. You must see an authorized Mercedes-Benz Center before seating any child on the front passenger seat. More information can be found in the “Practical hints” section (Y page 307). G Warning! Do not place powered-on laptops, mobile phones, electronic tags such as those used in ski passes and like electronic devices on the front passenger seat. Signals from such devices may interfere with the BabySmart™ air bag deactivation system. Such signal interference may cause the 45
indicator lamp not to come on during self-test. The SRS indicator lamp 6 and/or the 45 indicator lamp could be continuously lit, indicating that the system is not functioning. The front passenger front air bag could deploy inadvertently or fail to deploy in an accident. G Warning! The BabySmart™ air bag deactivation system will ONLY work with a special child seat designed to operate with it. It will not work with child seats which are not BabySmart™ compatible. Never place anything between seat cushion and child seat (e.g. pillow), since it reduces the effectiveness off the BabySmart™ air bag deactivation system. The bottom of the child seat must make full contact with the front passenger seat cushion. An incorrectly mounted child seat could cause injuries to the child in case of an accident, instead of protecting the child. Follow the manufacturer’s instructions for installation of special child seats.

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Seat belts Safety notes The use of seat belts and infant and child restraint systems is required by law in all 50
states, the District of Columbia, the U.S. territories and all Canadian provinces. Even where this is not the case, all vehicle occupants should have their seat belts fastened whenever the vehicle is in motion. i See “Children in the vehicle” (Y page 54) for information on Rinfants and children traveling with you in

the vehicle

Rrestraint systems for infants and children G Warning! Always fasten your seat belt before driving off. Always make sure all of your passengers are properly restrained. You and your passengers should always wear seat belts. Failure to wear and properly fasten and position your seat belt greatly increases your risk of injuries and their likely severity in an accident. If you are ever in an accident, your injuries can