2011 Mercedes-benz CLS Class Owners Manual

75
267
151
176

66, 261
282
182

Function Rims and tires

D Front lamps E Hood F Wipers

Wiper blades, replacing Wiper blades, cleaning

G Windshield:

Wiping with washer fluid Cleaning

H Power tilt/sliding sunroof I Exterior rear view mirrors

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92
270
219

92
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152
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Cockpit

Cockpit

27

Function

Page

Function

: Combination switch:

Turn signals Wipers High beam

; Cruise control lever:

Cruise control Distronic

= Steering wheel gearshift

control

? Multifunction steering

wheel

A Instrument cluster

B Horn C Lever for Voice Control

System1

D Front Parktronic warning

indicator

1 See separate operating instructions.

89
92
90

127
133

105
29, 110
28, 108

E Climate control panel F Overhead control panel G Glove box H COMAND system1
I Center console J Starter switch K Steering wheel adjustment

stalk Heated steering wheel

L Parking brake pedal M Parking brake release N Exterior lamp switch O Door control panel P On-board diagnostics

(OBD) socket

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158

31
76

82
83
100
100
87
32

139

Q Hood lock release lever

178

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Instrument cluster

Instrument cluster

Function

Page

: # Left turn signal

indicator lamp

; d ESP® warning lamp = Speedometer ? Multifunction display A · Distance warning

lamp2

B ! Right turn signal

indicator lamp

C Coolant temperature

indicator ? Coolant temperature warning lamp

D Tachometer with: + Supplemental Restraint System (SRS) indicator lamp

255

111

256

109

257

254

Function ! Antilock Brake System (ABS) indicator lamp 7 Seat belt telltale K High-beam headlamp indicator lamp L Low-beam headlamp indicator lamp

E Main odometer with: Transmission position indicator Program mode

F Clock with:

$ Brake warning lamp, USA only J Brake warning lamp, Canada only = Engine malfunction indicator lamp, USA only

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252
253

89

87

103
105

252

252

257

2 Vehicles without Distronic: Warning lamp without function. It illuminates when the ignition is on. It should

go out when the engine is running.

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Multifunction steering wheel

29

Multifunction steering wheel

Function ; Engine malfunction indicator lamp, Canada only h Combination low tire pressure/TPMS malfunction telltale, USA only h Low tire pressure telltale, Canada only

G Fuel display with:

6 Fuel tank reserve warning lamp

H Reset button for:

Resetting trip odometer Adjusting instrument cluster illumination

Page

257

188, 259
190, 259

256

110

109

Function

: Multifunction display ; Press button 6:

to answer a call to dial3
to redial3
Press button ~: to end a call to reject an incoming call Press button W or X: to select submenus in the Settings menu to set values to operate the RACETIMER4
to set the volume

= Press button V or U

to select next/previous menu

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125
125
125

125
125

119

114

110

3 Function only available in telephone menu. 4 AMG vehicles only.

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30 Multifunction steering wheel

Function Press button & or * briefly: to move within a menu to select previous or next track, scene or stored station within Audio/DVD menu to switch to the phone book and select a name or number within Telephone menu Press and hold button & or *: to select previous or next track with quick search or to select previous or next station in station list or wave band within Audio/ DVD menu to start the quick search in the phone book within Telephone menu

Page

116

125

116

125

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Center console Upper part

Function

: Seat heating, driver’s side ; Rear window sunshade

switch

= Rear seat head restraints

switch, folding down

? Hazard warning flasher

switch

A Front passenger front air

bag off indicator lamp

B Central unlocking switch C Alarm system indicator

lamp

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162

80

90

41
71

62

Center console

31

Function

Page

D Electronic Stability

Program (ESP®) control switch

E Seat heating, front

passenger side

F Seat ventilation, front

passenger side

G Central locking switch H Seat ventilation, driver’s

side

59

81

81
71

81

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32 Door control panel

Lower part

Door control panel

Function

: Ashtray ; KEYLESS-GO start/stop

button

= Gear selector lever ? Parktronic system deactivation switch

A Adaptive Damping System

(ADS) switch

B Vehicle level control switch C Thumbwheel for setting

distance for Distronic

D Distance warning function

on/off switch

E Program mode selector

switch

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76
102

139

137
138

135

135

105

Function

: Inside door handle ; Seat adjustment = Memory function (for

storing seat, exterior mirror and steering wheel settings)

? Exterior rear view mirror

adjustment

A Switches for opening/

closing front and rear side windows

B Trunk opening switch, trunk

opening/closing system

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78

85

84

94

71

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Overhead control panel

Overhead control panel

33

Function

G Interior lighting H Left front reading lamp on/

off

I Ambient lighting

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91
122

Page 91
91

91

152

166

91
84
91
169

Function

: Rear interior lighting on/off ; Automatic interior lighting = Front interior lighting on/

off

? Power tilt/sliding sunroof

switch

A SOS button (Tele Aid

system)

B Right front reading lamp

on/off

C Interior rear view mirror D Front reading lamps E Garage door opener F Hands-free microphone for

Tele Aid (emergency call system), telephone, and Voice Control System, see separate operating instructions

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Vehicle equipment .............................. 36
Occupant safety .................................. 36
Panic alarm .......................................... 57
Driving safety systems ....................... 57
Anti-theft systems .............................. 62

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36 Occupant safety

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 RPreventive occupant safety (PRE-SAFE®) RAir bag system components with

- Front passenger front air bag off

indicator lamp

- Front passenger seat with Occupant

Classification System (OCS)

Although the systems are independent, their protective functions work in conjunction with each other.

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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 52) 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 + 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 + is not lit while the engine is running.

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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 and

window curtain air bags)

Rrollovers (window curtain air bags)

Occupant safety

37

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

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38 Occupant safety

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adjusting the seat and steering wheel. If 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.

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)

Occupants, 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. 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.

(2)

(3)

If you believe that, even with the use of these guidelines, it would be safer for your rear seat occupants to have the rear mounted side impact air bags deactivated, then deactivation can be carried out upon your written request at an authorized Mercedes- Benz Center at an additional cost. Please contact an authorized Mercedes-Benz Center or call the Customer Assistance Center (in the USA) at 1-800-FOR-MERCedes (1-800-367-6372), or Customer Service (in Canada) at 1-800-387-0100 for details. Air bags are designed to deploy only in certain Rfrontal impacts (front air bags and driver’s

side knee bag)

Rside impacts (side impact and window

curtain air bags) if the system determines the need for air bag deployment

Rrollovers (window curtain air bags) 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.

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39

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 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 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

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40 Occupant safety

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.

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

and/or the window curtain air bags

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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. 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 41). The lighter the front passenger-side occupant, the higher the vehicle deceleration rate required for second 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 Rthe system, based on OCS weight sensor readings, detects that the front passenger seat is occupied

Rthe 04 indicator lamp in the

center console is not lit (Y page 41)

Rthe impact exceeds a preset 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

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Occupant safety

41

conjunction with a properly positioned and fastened seat belt.

authorized Mercedes-Benz Center for availability.

Side impact air bags G Observe Safety notes, see page 37.

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

Front side impact air bags : and rear side impact air bags ; are designed to provide increased protection for the thorax but not the head, neck and arms. 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 The side impact air bags are not deployed in side impacts which do not exceed the system’s deployment threshold. The 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 the side impact 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 interfere with or prevent the deployment of the front side impact air bags. Contact an

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

Rin certain vehicle rollovers, if the system determines that air bag deployment can offer additional protection to that provided by the seat belt

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) activates or deactivates the front passenger front air bag automatically. The respective status is based on the classified occupant

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42 Occupant safety

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 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. Furthermore, the occupant weight may appear to increase or decrease due to the following: Robjects hanging on the seat Robjects lodged underneath the seat Robjects stuffed between the seat and

middle console

Robjects stuffed between the seat and door Rother passengers pushing on the seat Robjects applying pressure to the back of

the seat Always make sure the seat has clearance in all directions at all times.

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 04
indicator lamp as an indication of whether or not the front passenger is properly positioned.

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G Warning! If the 04 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 04 indicator lamp goes out, or check whether objects are caught under or around the seat. 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 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 04 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 04 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 04 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 04 indicator lamp illuminated, the front passenger front air bag is deactivated. With the 04

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43

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 04 indicator lamp will illuminate for approximately 6 seconds when the engine is started and then go out, indicating that the front passenger front air bag is activated. If the 04 indicator lamp is illuminated, the front passenger front air bag is deactivated and will not be deployed. If the 04 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 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 230). 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 04
indicator lamp is illuminated, indicating that the front passenger front air bag is deactivated. Should the 04
indicator lamp not illuminate or go out while the restraint is installed, please check installation. Periodically check the

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44 Occupant safety

04 indicator lamp while driving to make sure the 04
indicator lamp is illuminated. If the 04 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. 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

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sufficient severity to deploy the driver front air bag

04 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 + in the instrument cluster and the 04
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: RDo not place more than 4.4 lb (2 kg) into the storage bag on the back of the front passenger seat. Otherwise, the OCS may not be able to properly approximate the occupant weight category.

RDo not place objects under and/or around

the front passenger seat.

RDo not hang anything from or attach any

items to the seats.

RDo not stuff objects such as books between

the front passenger seat and the center console or front passenger door.

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RDo not move the front passenger seat

backwards against stiff objects.

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.

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 04 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 04 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 04 indicator lamp will illuminate and not go out. G Warning! If the 04 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 260). 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

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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.

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 52) 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 be considerably more severe without your seat belt properly buckled. Without your seat belt buckled, you are much more likely to hit the interior of the vehicle or be ejected from it. You can be seriously injured or killed. In the same crash, the possibility of injury or death is lessened if you are properly wearing

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your seat belt. The air bags can only protect as intended if the occupants are properly wearing their seat belts. G Warning! Never ride in a moving vehicle with the seat backrest in an excessively reclined position as this can be dangerous. You could slide under the seat belt in a collision. If you slide under it, the seat belt would apply force at the abdomen or neck. That could cause serious or even fatal injuries. The seat backrest and seat belt provide the best restraint when the wearer is in a position that is as upright as possible and the seat belt is properly positioned on the body. G Warning! Never let more people ride in the vehicle than there are seat belts available. Make sure everyone riding in the vehicle is correctly restrained with a separate seat belt. Never use a seat belt for more than one person at a time. G Warning! Damaged seat belts or seat belts that have been subjected to stress in an accident must be replaced. Also, the seat belt anchoring points must be checked. Only use seat belts which have been approved by Mercedes-Benz. Do not make any modifications to the seat belts. This can lead to unintended activation of the ETDs or to their failure to activate when necessary. Do not bleach or dye seat belts as this may severely weaken them. In a crash they may not be able to provide adequate protection. Have all work carried out only by qualified technicians. Contact an authorized Mercedes-Benz Center.

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Proper use of seat belts G Warning! USE SEAT BELTS PROPERLY RSeat belts can only protect when used

properly. Never wear seat belts in any other way than as described in this section, as that could result in serious injuries in case of an accident.

REach occupant should wear their seat belt at all times, because seat belts help reduce the likelihood of and potential severity of injuries in accidents, including rollovers. The integrated restraint system includes SRS (driver front air bag, driver side knee bag, front passenger front air bag, side impact air bags, window curtain air bags for door windows), Emergency Tensioning Devices (ETDs), seat belt force limiters, and front seat knee bolsters. The system is designed to enhance the protection offered to properly belted occupants in certain frontal (front air bags, driver’s side knee bag, and ETDs) and side (side impact air bags, window curtain air bags, and ETDs) impacts which exceed preset deployment thresholds and in certain rollovers (window curtain air bags and ETDs).

RNever wear the shoulder belt under your

arm, against your neck or off your shoulder. In a frontal crash, your body would move too far forward. That would increase the chance of head and neck injuries. The seat belt would also apply too much force to the ribs or abdomen, which could severely injure internal organs such as your liver or spleen. Adjust the seat belt so that the shoulder section is located as close as possible to the middle of the shoulder. It should not touch the neck. Never pass the shoulder portion of the seat belt under your arm. For this purpose, you can adjust the height of the seat belt outlet.

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RPosition the lap belt as low as possible on your hips and not across the abdomen. If the lap belt is positioned across your abdomen, it could cause serious injuries in a crash.

RNever wear seat belts over rigid or

breakable objects in or on your clothing, such as eyeglasses, pens, keys etc., as these might cause injuries.

RMake sure the seat belt is always fitted snugly. Take special care of this when wearing loose clothing.

RNever use a seat belt for more than one

person at a time. Do not fasten a seat belt around a person and another person or other objects at the same time.

RSeat belts should not be worn twisted. In a crash, you would not have the full width of the seat belt to distribute impact forces. The twisted seat belt against your body could cause injuries.

RPregnant women should also always use a

lap/shoulder belt. The lap belt portion should be positioned as low as possible on the hips to avoid any possible pressure on the abdomen.

RPlace the seat backrest in a position that is

as upright as possible.

RCheck your seat belt during travel to make

sure it is properly positioned.

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.

RWhen using a seat belt to secure infant

restraints, toddler restraints, or children in booster seats, always follow the child seat manufacturer’s instructions. G Warning! Do not pass seat belts over sharp edges. They could tear.

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Do not allow the seat belt to get caught in the door or in the seat adjustment mechanism. This could damage the seat belt. Never attempt to make modifications to seat belts. This could impair the effectiveness of the seat belts.

Fastening the seat belts 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 appropriately sized infant restraint, toddler restraint, or booster seat recommended for the size and weight of the child. For additional information, see “Children in the vehicle”. A child’s risk of serious or fatal injuries is significantly increased if the child restraints are not properly secured in the vehicle and/ or the child is not properly secured in the child restraint.

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X With a smooth motion, pull the seat belt out

of seat belt outlet :.

X Place the shoulder portion of the seat belt across the top of your shoulder and the lap portion across your hips.

X Push latch plate ; into buckle = until it

clicks.

X If necessary, adjust the seat belt to the

correct height (Y page 48).

X If necessary, tighten the lap portion to a snug fit by pulling shoulder portion up.

All lap/shoulder belts except the driver’s seat belt have special seat belt retractors to secure child restraints properly. For more information on special seat belt retractors, see “Infant and child restraint systems” (Y page 53). To release the seat belt with seat belt release button ?, see (Y page 48).

Seat belt outlet height adjustment

X Raising: Slide the seat belt outlet height

adjuster upward. The seat belt outlet height adjuster engages in different positions.

X Lowering: Press and hold release

button :.

X Slide the seat belt outlet height adjuster

downward.

X Release release button : and make sure the seat belt outlet height adjuster engages into place.

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Releasing the seat belts X Press seat belt release button ?

(Y page 47). Allow the retractor to completely rewind the seat belt by guiding latch plate ; (Y page 47).

! Make sure the seat belt retracts

completely. Otherwise the seat belt and/or latch plate could get caught or pinched in the door or in the seat mechanism. This can damage the seat belt and impair its effectiveness, and/or cause damage to the door and/or door trim panel. Such damage is not covered by the Mercedes-Benz Limited Warranty. Damaged seat belts must be replaced. Contact an authorized Mercedes-Benz Center.

Enhanced seat belt reminder system When the engine is started, the seat belt telltale 7 will always illuminate for 6 seconds to remind you and your passengers to fasten your seat belts. If the driver’s seat belt is not fastened when the engine is started, an additional warning chime will sound. The warning chime goes out after approximately 6 seconds or once the driver’s seat belt is fastened. If after these 6 seconds the driver’s or the front passenger’s seat belt (with the front passenger seat occupied) is not fastened with front doors closed, Rthe seat belt telltale 7 remains

illuminated for as long as either the driver’s or front passenger’s seat belt is not fastened.

Rand if the vehicle speed once exceeds

15 mph (25 km/h), the seat belt telltale 7 starts flashing and a warning chime sounds with increasing intensity for a maximum of 60 seconds or until the driver’s and front passenger’s seat belt are fastened.

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If you and/or your passenger release the seat belt during driving, the seat belt telltale 7 starts flashing and the warning chime sounds as described before. If the driver’s or the front passenger’s seat belt remains unfastened after 60 seconds, the warning chime stops sounding, the seat belt telltale 7 stops flashing but continues to be illuminated. After a vehicle standstill, the warning chime is reactivated and the seat belt telltale 7 is flashing again if the vehicle speed once exceeds 15 mph (25 km/h).

The seat belt telltale 7 will only go out if both the driver’s and the front passenger’s seat belt (with the front passenger seat occupied) are fastened, or the vehicle is standing still and a front door is opened. For more information, see “Practical hints” (Y page 253).

Emergency Tensioning Device (ETD), seat belt force limiter The seat belts for the front seats and rear outer seats are equipped with ETDs and seat belt force limiters. The ETDs are designed to activate in the following cases: Rin frontal or rear-end impacts exceeding

the system’s preset deployment threshold

Rin side impacts exceeding the system’s preset deployment threshold on the far side of the impact

Rin certain vehicle rollovers Rif the restraint systems are operational and

functioning correctly, see “SRS indicator lamp” (Y page 36)

The ETDs for the front seats will only activate if the front seat belts are fastened (latch plate properly inserted into buckle). The ETDs for the rear outer seats will activate with or without the respective seat belts fastened.

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In an impact, the ETDs remove slack from the seat belts in such a way that the seat belts fit more snugly against the body. Seat belt force limiters, when activated, are employed to help reduce the peak force exerted by the seat belts on occupants during a crash. i The ETDs do not correct an incorrect seat

position or incorrectly worn seat belts. The ETDs do not pull occupants back toward the seat backrest. G Warning! Pyrotechnic ETDs that were activated must be replaced. For your safety, when disposing of the pyrotechnic ETDs always follow our safety instructions. These are available at any authorized Mercedes-Benz Center.

Automatic comfort-fit feature seat belt An automatic comfort-fit feature for the front seats reduces the retracting force of the seat belts when they are in normal use.

Preventive occupant safety (PRE- SAFE®) G Warning! The PRE-SAFE® system is intended to reduce the effects of an accident on vehicle occupants who are wearing their seat belt properly. Despite your vehicle being equipped with the PRE-SAFE® system, the possibility of personal injuries occurring as a result of an accident cannot be eliminated. Therefore, always drive carefully and adjust your driving to the prevailing road, weather, and traffic conditions.

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