2009 Mercedes-benz GL Class Owners Manual

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271 122 395 322 322 Cleaning with wiper fluid Cleaning d Power tilt/sliding sunroof e Roof rails/Carriers Crossbars f Tires and wheels Checking tire inflation pressure Spare wheel Flat tire g Headlamp cleaning system h Front fog lamp Page 122 322 224 229 229 272, 425 281 329 397 119 388 29 At a glance Cockpit Cockpit 30 Function Page Function Page Function At a glance Cockpit Page 1 Cruise control lever • Cruise control • Distronic 2 Instrument cluster 3 Multifunction steering wheel 4 Horn 5 Steering wheel gearshift control 6 Gear selector lever 7 Front Parktronic warning indicators 8 Overhead control panel 170 172 32, 147 38, 148 140 135 195 43 9 Glove box lid release, glove box lock a Glove box b Power outlet c Center console d Starter switch e Steering wheel adjustment, manual f On-board diagnostics (OBD) socket g Hood lock release h Parking brake release 242 242 249 40 95 108 268 133 j Parking brake pedal k Remote tailgate switch, power tailgate l Door control panel m Exterior lamp switch n Steering wheel adjustment, electrical Heated steering wheel o Combination switch • Turn signals • Wipers • High beam 133 94 44 115 109 110 118 122 118 31 At a glance Instrument cluster Instrument cluster 32 Function Page Function Page Function At a glance Instrument cluster Page 1 L Left turn signal indicator lamp 2 To dim instrument cluster illumination 3 Reset button for: • Resetting trip odometer • Resetting all settings 4 To brighten instrument cluster illumination 147 148 157 147 5 K Right turn signal indicator lamp 6 Clock 7 Speedometer with: ; Brake warning lamp, USA only 160 v ESP® warning lamp - Antilock Brake System (ABS) indicator lamp m Variable speed limiter indicator lamp2 371 l Distance warning lamp3 3 Brake warning lamp, Canada only H Combination low tire pressure/TPMS malfunction telltale, USA only 2 Lamp without function. It illuminates when the ignition is on. It should go out when the engine is running. 3 Vehicles without Distronic: Warning lamp without function. It illuminates when the ignition is on. It should go out when the engine is running. 372 376 377 373 283, 380 33 At a glance Instrument cluster 34 Function Page Function A High-beam headlamp indicator lamp a Fuel gauge with: Fuel tank reserve warning lamp 4 Fuel filler flap indicator: The fuel filler flap is located on the rear right- hand side. b Multifunction display with: 8 Multifunction display with: • Trip odometer • Main odometer 9 Tachometer with: < Seat belt telltale q Preglow indicator lamp, diesel engine only 1 Supplemental Restraint System (SRS) indicator lamp ± Engine malfunction indicator lamp, Canada only ? Engine malfunction indicator lamp, USA only 150 148 150 64, 374 129 47, 375 379 379 Page 118 378 265 150 At a glance Instrument cluster Page Function • Outside temperature indicator or digital speedometer (depending on selected setting in the control system) • Transmission position indicator • Gear range indicator • LOW RANGE mode indicator • Distance warning function indicator • Rear window wiper indicator • Downhill Speed Regulator (DSR) indicator • Off-road driving program indicator 153, 159 137 139 142 164 123 183 185 35 At a glance Storage compartments Storage compartments 36 Function 1 Glove box 2 Door pockets Page 242 Function 6 First aid kit 3 Parcel nets on front seat backrests 4 Cup holders 5 Vehicle tool kit, spare wheel 233 245 326 7 Holder, e.g. for gas cards 8 Storage compartment Ashtray 9 Parcel net in front passenger footwell At a glance Storage compartments Page Function a Cup holder b Storage compartment with coin holder c Rear storage compartments d Cup holder 245 244 244 245 Page 326 246 242 247 233 37 At a glance Multifunction steering wheel Multifunction steering wheel Function 1 Multifunction display 2 Press button s • to take a call • to dial4 • to redial4 Press button t • to end a call • to reject an incoming call Press button æ or ç • to select submenus in the Settings menu • to set values • to set the volume Page 150 167 167 167 167 167 158 Function Page Press button ! to turn the Voice Control System on5, see separate operating instructions 3 Press button è or · to select next/previous menu 157 Press button j or k 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 153 167 4 Function only available in telephone menu. 5 Vehicles without Voice Control System: Button without function. 38 At a glance Multifunction steering wheel Function Page Press and hold button j or k • 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 Press button 0 to turn the Voice Control System off5, see separate operating instructions 153 167 5 Vehicles without Voice Control System: Button without function. 39 At a glance Center console Center console Upper part (Vehicles without enhanced off-road package) 40 Function Page Function 1 COMAND system, see separate operating instructions 2 Climate control 3-zone automatic climate control Rear window defroster 3 Seat heating, front passenger side 4 Seat ventilation, front passenger side 5 Parktronic system deactivation switch 6 Vehicle level control switch 7 Front passenger front air bag off indicator lamp 202 210 223 107 107 196 186 56 8 Storage compartment 9 Alarm system indicator lamp a Electronic Stability Program (ESP®) switch b Adaptive Damping System (ADS) switch c Seat ventilation, driver’s side d Seat heating, driver’s side e Switch for Downhill Speed Regulation (DSR) f Hazard warning flasher switch g Switch for off-road driving program Page 243 81 79 185 107 107 182 118 185 Upper part (Vehicles with enhanced off-road package, Canada only) Function Page Function At a glance Center console Page 1 COMAND system, see separate operating instructions 2 Climate control 3-zone automatic climate control Rear window defroster 3 Seat heating, front passenger side 4 Seat ventilation, front passenger side 5 Rotary switch for differential locks 6 Swich for LOW RANGE mode 7 Switch for Downhill Speed Regulation (DSR) 202 210 223 107 107 145 142 182 8 Rotary switch for vehicle level control 9 Alarm system indicator lamp a Seat ventilation, driver’s side b Seat heating, driver’s side c Adaptive Damping System (ADS) switch d Electronic Stability Program (ESP®) switch e Parktronic system deactivation switch f Hazard warning flasher switch g Front passenger front air bag off indicator lamp 189 81 107 107 185 79 196 118 56 41 Function 1 Storage compartment or Ashtray 2 Cup holder 3 Front armrest storage compartment 4 Card, ticket holder Page 243 247 245 244 245 At a glance Center console Lower part 42 Overhead control panel Function Page 1 Left front reading lamp on/ off 2 Rear interior lighting on/off 3 Automatic interior lighting 4 Front interior lighting on/ off 5 Right reading lamp on/off 6 Front right interior lamp 7 Power tilt/sliding sunroof switch 8 Tele Aid (emergency call system) button 9 Interior rear view mirror a Front right reading lamp 120 120 120 120 120 120 224 253 111 120 At a glance Overhead control panel Page Function b Front left reading lamp c Garage door opener 120 256 d Vehicles without telephone installed: Hands-free microphone for Tele Aid (emergency call system) and Voice Control System, see separate operating instructions e Vehicles with telephone installed: Hands-free microphone for Tele Aid (emergency call system), telephone and Voice control system, see separate operating instructions f Front left interior lamp 120 43 Function Page Function 6 Rear door window override switch 7 Hinged quarter window switch 8 Remote tailgate switch, power tailgate 1 Inside door handle 2 Central locking/unlocking switch 3 Exterior rear view mirror adjustment 4 Selection buttons for exterior rear view mirror adjustment Power-folding exterior rear view mirrors 5 Switches for opening/ closing front and rear door windows 88 89 111 111 112 124 Page 74 126 91 At a glance Door control panel Door control panel 44 Safety and security Vehicle equipment .............................. 46 Occupant safety .................................. 46 Panic alarm .......................................... 75 Driving safety systems ....................... 75 Anti-theft systems .............................. 80 45 Safety and security 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. 46 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) 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 RActive head restraints RPreventive occupant safety (PRE-SAFE®) 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 BabySmartTM air bag deactivation system Although the systems are independent, their protective functions work in conjunction with each other. 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 For information on infants and children traveling with you in the vehicle and restraint systems for infants and children, see “Children in the vehicle” (Y page 68). 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 1 indicator lamp in the instrument cluster comes on when the ignition is switched on and goes out no later than a few seconds after the engine has been started. The SRS components are in operational readiness if the 1 indicator lamp is not lit when the engine is running. A malfunction in the system has been detected if the 1 indicator lamp Rfails to go out after approximately 4 seconds after the engine is started Rdoes not come on at all Rcomes on after the engine was started or while driving G Warning! In the event that the 1 indicator lamp comes on while driving or does not come on at all, the SRS self-check has detected a malfunction. 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 deploy when needed in an accident, which could result in serious or fatal injury, or it might deploy unexpectedly and unnecessarily which could also result in injury. 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 or call our Customer Assistance Center at 1-800-FOR-MERCedes (1-800-367-6372) for details. Safety and security Occupant safety Air bags G Warning! Air bags are designed to reduce the potential of injury and fatality in certain frontal impacts (front air bags, driver side knee bag), side impacts (side impact air bags and window curtain air bags), or rollovers (window curtain air bags). However, no system available today can completely eliminate injuries and fatalities. The deployment of the air bags temporarily releases a small amount of dust from the air bags. This dust, however, is neither injurious 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 47 Safety and security Occupant safety 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 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 48 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’s 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 BabySmartTM compatible child seat, which operates with the BabySmartTM 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 the 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, properly use the seat belts, 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 frontal impacts (front air bags, driver side knee bag), side impacts (side impact and window curtain air bags) which exceed preset deployment thresholds, and in certain rollovers (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. 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 that you replace deployed air bags and repair any malfunctioning air bags to make sure the vehicle 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 and 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 Safety and security Occupant safety 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 is deployed must be replaced. PRE-SAFE® has electrically operated reversible pre-tensioners in addition to the pyrotechnic ETDs. 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. This includes changing or removing any component or part of the SRS, the installation of additional trim material, seat covers, badges, etc. over the 49 Safety and security Occupant safety steering wheel hub, front passenger front air bag cover, outboard sides of the seat backrests, door trim panels, or door frame trims, and installation of additional electrical/electronic equipment on or near SRS components and wiring. Keep 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. RIn addition, improper 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 50 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 and refer them to the applicable section in the Operator’s Manual. Front air bags G Observe Safety notes, see page 49. 1 Driver front air bag 2 Front passenger front air bag 3 Knee bag The front air bags 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 bags and driver’s side knee bag are deployed Rin the event of certain frontal impacts Rif impact exceeds a preset deployment threshold Rif the system determines that air bag deployment can offer additional protection to that provided by the seat belt Rdepending on whether the seat belt is in use Rindependently of the side impact 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 that are based on the vehicle deceleration rate as assessed by the air bag control unit. Vehicles with OCS, USA only: On the front passenger side, front air bag 2 deployment is additionally influenced by the passenger’s weight category as identified by the Occupant Classification System (OCS) (Y page 53). Vehicles with OCS, USA only: The lighter the front passenger side occupant, the higher the vehicle deceleration rate required for second stage inflation of front air bag 2. 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 deployed 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 2 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 59 indicator lamp in the center console is not lit (USA only: (Y page 56), Canada only: (Y page 58)) Rthe impact exceeds a preset deployment threshold ! Vehicles with BabySmartTM 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 The knee bag 3 is located on the driver side lower instrument panel. It is designed to operate together with the driver front air bag Safety and security Occupant safety in certain frontal impacts exceeding a preset deployment threshold. The knee bag 3 operates best in conjunction with a properly positioned and fastened seat belt. Side impact air bags G Observe Safety notes, see page 49. 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 51 Safety and security Occupant safety 1 Front side impact air bag 2 Rear side impact air bag When deployed, the side impact air bags are designed to provide increased protection for the thorax (but not the head, neck and arms) of the occupants on the side of the vehicle on which the impact occurs. The side impact air bags are deployed Ron the impacted side of the vehicle Rin side impacts exceeding a preset deployment threshold Rregardless of whether the seat belt is 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 52 if the OCS senses that the front passenger seat is empty and the front passenger seat belt is not fastened (latch plate is not inserted into the buckle). With an empty front passenger seat and the seat belt fastened (latch plate properly inserted into buckle) the front passenger side impact air bag will deploy independently of the empty seat. The side impact air bags are not deployed in side impacts which do not exceed the system’s deployment threshold. The side air bags will not deployed in the event of a rollover unless the vehicle’s rate of lateral deceleration or acceleration exceeds the preset deployment threshold for the side air bags. ! Vehicles with BabySmartTM 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. Contact an authorized Mercedes-Benz Center for availability. Window curtain air bags G Observe Safety notes, see page 49. 1 Window curtain air bag When deployed, window curtain air bags 1 are designed to provide increased protection for the head (but not the chest or arms) of the occupants on the side of the vehicle on which the impact occurs. Window curtain air bags 1 are deployed Ron the impacted side of the vehicle Rin side impacts exceeding a preset deployment threshold Rindependently of the front air bags Rregardless of whether the front passenger seat is occupied Rregardless of whether the seat belt is in use 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 1 are not deployed in impacts which do not exceed the system’s deployment threshold. Window curtain air bags 1 deploy in the area indicated by the arrows. Occupant Classification System The Occupant Classification System (OCS) is standard equipment in USA. The OCS automatically turns the front passenger front air bag on or off based on the classified occupant weight category determined by weight sensor readings from the front passenger seat. The system does not deactivate the front passenger side impact air bag, the window curtain air bag and the Emergency Tensioning Devices (ETDs). Occupants must sit with the seat belt properly fastened in a position that is as upright as possible with their back against the seat backrest and feet on the floor to be correctly classified. 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: objects hanging on the seat, lodged underneath the seat, stuffed between the seat and middle console or the seat and door, other passengers pushing on the seat, or objects applying pressure to the back of the Safety and security Occupant safety seat. Always make sure the seat has clearance in all directions at all times. i 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 59 indicator lamp as an indication of whether or not the front passenger is properly positioned. G Warning! If the 59 indicator lamp illuminates when an adult or someone larger than a small individual is in the front passenger seat, have the front passenger re-position himself or herself in the seat until the 59 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 53 Safety and security Occupant safety 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 59 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 59 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 59 indicator lamp will illuminate for approximately 6 seconds when the engine is started and then, depending on occupant weight sensor 54 readings from the seat, remain illuminated or go out. With the 59 indicator lamp illuminated, the front passenger front air bag is deactivated. With the 59 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 59 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 59 indicator lamp is illuminated, the front passenger front air bag is deactivated and will not be deployed. If the 59 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 information about air bag display messages (Y page 335). 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 59 indicator lamp is illuminated, indicating that the front passenger front air bag is deactivated. Should the 59 indicator lamp not illuminate or go out while the restraint is installed, please check installation. Periodically check the 59 indicator lamp while driving to make sure the 59 indicator lamp is illuminated. If the 59 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 Safety and security Occupant safety 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 instances where the system suppresses deployment of the front passenger front air bag even though the impact met the criteria and was of 55 Safety and security Occupant safety 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 1 Front passenger front air bag off indicator lamp The 59 indicator lamp 1 will be illuminated, except with the SmartKey 56 removed from the starter switch or with the starter switch in position 0. G Warning! If the 1 indicator lamp and the 59 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 as soon as possible by qualified technicians. 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. 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. Occupant Classification System 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 59 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 59 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 59 indicator lamp will illuminate and not go out. G Warning! If the 59 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 381). G Warning! Never place anything between seat cushion and child seat (e.g. pillow), since it reduces the effectiveness of the OCS. The bottom of the child seat must make full contact with the passenger seat cushion. 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 BabySmartTM 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 Safety and security Occupant safety 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 BabySmartTM compatible child seat, which operates with the BabySmartTM 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 completely eliminate this risk is to never place a child in a rear- 57 Safety and security Occupant safety 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 BabySmartTM compatible rear-facing child restraint on the front passenger seat because circumstances require you to do so, make sure the 59 indicator lamp is illuminated, indicating that the front passenger front air bag is deactivated. Should the 59 indicator lamp not illuminate or go out while the restraint is installed, please check installation. Periodically check the 59 indicator lamp while driving to make sure the 59 indicator lamp is illuminated. If the 59 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 58 injured or even killed if the front passenger front air bag inflates. on the front passenger seat until the system has been repaired. 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 BabySmartTM compatible child seat on the front passenger seat, the front passenger front air bag will not deploy only if the 59 indicator lamp remains illuminated. Please be sure to check the 59 indicator lamp every time you use a BabySmartTM compatible child seat on the front passenger seat. Should the 59 indicator lamp go out while the restraint is installed, please check installation. If the 59 indicator lamp remains out, do not use the BabySmartTM restraint to transport a child 1 Front passenger front air bag off indicator lamp Special BabySmartTM compatible child seats, designed for use with the Mercedes-Benz system, are required for use with the BabySmartTM air bag deactivation system. Please contact your authorized Mercedes- Benz Center for information on availability. With the special child seat installed properly, the front passenger front air bag will not deploy. The 59 indicator lamp 1 will be illuminated, except with the SmartKey removed from the starter switch or with the starter switch in position 0. 59 indicator lamp not to come on during self-test or be continuously lit, indicating that the system is not functioning. G Warning! The BabySmartTM 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 BabySmartTM compatible. Never place anything between seat cushion and child seat (e.g. pillow), since it reduces the effectiveness off the BabySmartTM air bag deactivation system. The bottom of the child seat must make full contact with the 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. The system does not deactivate the side impact air bag, the window curtain air bag and the Emergency Tensioning Device (ETD). Self-test BabySmartTM 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 59 indicator lamp comes on for approximately 6 seconds and then goes out. If the 59 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 passenger seat. More information can be found in the “Practical hints” section (Y page 332). 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 BabySmartTM air bag deactivation system. Such signal interference may cause the Safety and security Occupant safety 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. For information on infants and children traveling with you in the vehicle and restraint systems for infants and children, see “Children in the vehicle” (Y page 68). 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 59 Safety and security Occupant safety 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 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 60 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 and their anchoring points must also 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. Proper use of seat belts G Warning! USE SEAT BELTS PROPERLY RSeat belts can only work 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 side 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 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. 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

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2009 Mercedes-benz GL Class Owners Manual