2011 Mercedes-benz R Class Owners Manual

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BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 24 Version: 3.0.3.5 24 BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 25 Version: 3.0.3.5 Exterior view ....................................... 26 Cockpit ................................................. 27 Instrument cluster .............................. 28 Multifunction steering wheel ............. 30 Center console .................................... 31 Overhead control panel ...................... 32 Door control panel .............................. 33 25 BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 26 Version: 3.0.3.5 26 Exterior view Exterior view Function : Tailgate Vehicle tool kit ; Rear window defroster = Lights ? Fuel filler flap A Exterior mirrors B Sliding sunroof C Defrosting the windshield Cleaning the windows Page Function D Windshield wipers E Opening the hood Engine oil Coolant F Towing G Tires and wheels Flat tire 294 143 121 160 112 91 142 286 Page 126 278 279 281 313 320 296 BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 27 Version: 3.0.3.5 Cockpit Cockpit 27 Function Page Function Page : Steering wheel paddle shifters ; Cruise control lever = Instrument cluster ? Horn A DIRECT SELECT lever B PARKTRONIC warning display C Overhead control panel D Operates THERMATIC/ THERMOTRONIC E Ignition lock Start/Stop button 158 173 28 155 186 32 132 149 149 F Adjusts the steering wheel manually G Adjusts the steering wheel electrically Steering wheel heating H Parking brake I On-board diagnostics connection J Opens the hood K Releases the parking brake L Light switch M Combination switch 109 109 110 167 278 167 116 119 BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 28 Version: 3.0.3.5 28 Instrument cluster Instrument cluster Overview Function Page Function : Speedometer ; Sets the instrument cluster lighting: dimmer = Reset button ? Sets the instrument cluster lighting: brighter A Tachometer B Fuel gauge C Multifunction display D Clock Page 198 199 206 BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 29 Version: 3.0.3.5 Instrument cluster 29 Warning and indicator lamps Page 119 242 237 236 243 239 Function : Brakes (USA only) ; ESP® = Distance warning lamp4 ? Turn signal A Turn signal B Diesel engine: preglow C SRS D Low-beam headlamps E Engine diagnostics (Canada only) F Engine diagnostics (USA only) Page 236 240 243 119 119 150 241 117 242 242 Function G High-beam headlamps H Reserve fuel I Seat belt J Brakes (Canada only) K Tire pressure monitor (USA only) L ABS M The lamp lights up briefly, but has no function. 4 On vehicles without DISTRONIC, the lamp lights up briefly but has no function. BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 30 Version: 3.0.3.5 30 Multifunction steering wheel Multifunction steering wheel Page 199 Function ? VU Selects a menu: scrolls back and forth Switches off the Voice Control System; see the separate operating instructions &* Scrolls back and forth within a menu Page 201 201 Function : Multifunction display ; COMAND APS; see the separate operating instructions = ~6 211 205 Makes/accepts or rejects/ ends a call WX Selects submenus in the Settings menu Changes values Adjusts the volume Switches on the Voice Control System; see the separate operating instructions BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 31 Version: 3.0.3.5 Center console Center console 31 Function Page Function : COMAND APS; see separate operating instructions ; Seat heating = Seat ventilation ? Level control A Selects the drive program B Indicator lamp 42 (USA only) Indicator lamp 42 (Canada only) C Hazard warning lamps 108 108 183 158 42 48 119 D ATA indicator lamp E PARKTRONIC F ESP® G Selects ADS settings H Stowage compartment I Stowage tray J Stowage compartment K Cup holder L Stowage compartment Ashtray Cigarette lighter Page 71 158 68 183 246 246 246 260 246 263 264 BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 32 Version: 3.0.3.5 32 Overhead control panel Overhead control panel Function : p To switch the right- hand reading lamp on/off ; | To switch the automatic interior lighting control on/off = u To switch the rear interior lighting on/off ? c To switch the front interior lighting on/off A p To switch the left- hand reading lamp on/off B Interior lighting, left C 2 To open/close the tilt/sliding sunroof 2 To open/close the panorama roof with power tilt/sliding panel with roller sunblinds Page 268 111 120 273 Function D G SOS button (mbrace system) E Rear-view mirror F Reading lamps G Buttons for the garage door opener H Microphone for mbrace (emergency call system), telephone and Voice Control System5 I Interior lighting, right 121 Page 120 121 121 121 120 121 92 93 5 Observe the additional operating instructions. BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 33 Version: 3.0.3.5 Door control panel Door control panel 33 Function : Opens the door ; %& Locks/unlocks the vehicle = 7 Adjusts the exterior mirrors ? Zª\ Selects the exterior mirror, electrically folds the exterior mirrors in/out A W Opens/closes the side windows B n Activates/ deactivates the override feature for the side windows in the rear compartment C ± Opens/closes the hinged power side windows D q Opens/closes the tailgate Page 81 81 112 112 87 66 88 84 BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 34 Version: 3.0.3.5 34 BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 35 Version: 3.0.3.5 Vehicle equipment .............................. 36 Occupant safety .................................. 36 Children in the vehicle ........................ 59 Panic alarm .......................................... 66 Driving safety systems ....................... 67 Anti-theft systems .............................. 71 35 BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 36 Version: 3.0.3.5 36 Occupant safety Vehicle equipment i This manual describes all the standard and optional equipment of your vehicle which was available at the time of purchase. Country-specific differences are possible. Bear in mind that your vehicle may not feature all functions described here. This also refers to safety-related systems and functions. Occupant safety Overview of occupant safety 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 restraint systems R"LATCH" type child seat mountings Additional protection is provided by: RSRS (Supplemental Restraint System) RNECK-PRO head restraints RPRE-SAFE® RAir bag system components with: - PASSENGER air bag OFF indicator lamp - USA only: front-passenger seat with Occupant Classification System (OCS) - Canada only: front-passenger seat with BabySmart™ air bag deactivation system The protective functions of the systems work in conjunction with each other. The systems are, however, autonomous. 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 More information on the subject of children in the vehicle and child restraint systems can be found under the "Children in the vehicle" chapter (Y page 59). SRS (Supplemental Restraint System) Introduction SRS reduces the risk of occupants coming into contact with the vehicle's interior in the event of an accident. It can also reduce the effect of the forces to which occupants are subjected during an accident. SRS consists of: R+ SRS warning lamp Rair bags Rair bag control unit (with crash sensors) RETDs Rbelt force limiters SRS warning lamps SRS functions are checked regularly when you switch on the ignition and when the engine is running. Therefore, malfunctions can be detected in good time. The + SRS warning lamp in the instrument cluster lights up when the ignition is switched on. It goes out no later than a few seconds after the engine is started. The SRS components are in operational readiness when the + indicator lamp goes out while the engine is running. BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 37 Version: 3.0.3.5 G Warning The SRS self-check has detected a malfunction if the + SRS warning lamp: Rdoes not illuminate Rgoes out approximately 4 seconds after the engine is started Rilluminates after the engine is started or illuminates during the journey For your safety, Mercedes-Benz recommends that you have the system checked as soon as possible at an authorized Mercedes-Benz Center. Otherwise the SRS may not be activated when it is 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. 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. Contact an authorized Mercedes-Benz Center if it is necessary to modify an air bag system to accommodate a person with disabilities. USA only: Call our Customer Assistance Center at 1-800-FOR-MERCedes (1-800-367-6372) for details. Safety guidelines for seat belts, Emergency Tensioning Devices (ETDs) and air bags 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 Occupant safety 37 environment. Check your national 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. PRE- SAFE® has electrically operated reversible belt 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. RDo not change or remove any component or part of the SRS. RDo not install additional trim material, seat covers, badges, etc. to the: - padded steering wheel boss front-passenger air bag cover - outer side of front seat bolsters - outer side of the seat bolsters of the rear bench seat backrest roof lining trim 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. BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 38 Version: 3.0.3.5 38 Occupant safety RNever place your feet on the instrument panel, dashboard, or on the seat. Always keep both feet on the floor in front of the seat. RImproper repair work on the SRS creates a risk of rendering the SRS inoperative or causing unintended air bag deployment. Work on the SRS must therefore only be performed by qualified technicians. Contact an authorized Mercedes-Benz Center. RFor your protection and the protection of others, when scrapping the air bag unit or ETD, our safety instructions must be followed. These instructions are available from any authorized Mercedes-Benz Center. RGiven the considerable deployment speed, required inflation volume, and the material of the air bags, there is the possibility of abrasions or other, potentially more serious injuries resulting from air bag deployment. If you sell your vehicle, Mercedes-Benz strongly recommends 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. Air bags Important safety guidelines G Warning Air bags are designed to reduce the incidence of injuries and fatalities in certain situations: Rfrontal impacts (driver's and front- passenger front air bags) Rside impacts (side impact air bags and window curtain air bags) Rrollover (window curtain air bags) However, no system available today can completely eliminate injuries and fatalities. When the air bags are deployed, a small amount of powder is released. The powder generally does not constitute a health hazard and does not indicate that there is a fire in the vehicle. In order to prevent potential breathing difficulties, you should leave 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 injuries during front air bag inflation, the driver and front-passenger must always be seated correctly and have their seat belts fastened accordingly. For maximum protection in the event of a collision, you must always be in the normal seat position with your back against the backrest. Fasten your seat belt and make sure that it is correctly positioned on your body. Since the air bag inflates with considerable speed and force, a proper seating position and correct positioning of the hands on the steering wheel will help to keep you at a safe distance from the air bag. Occupants who are not wearing their seat belt, are not seated properly or are too close to the air bag can be seriously injured or killed by an air bag as it inflates with great force instantaneously: RSit with the seat belt properly fastened in a position that is as upright as possible with your back against the seat backrest. RMove the driver's seat as far back as possible, still permitting proper operation of vehicle controls. The distance from the center of the driver's chest to the center of the air bag cover on the steering wheel must be at least 10 inches(25 cm) or more. You should be able to accomplish this by adjusting the seat and steering wheel. If 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. ROnly hold the steering wheel by the rim. Placing hands and arms inside the rim can BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 39 Version: 3.0.3.5 increase the risk and potential severity of hand/arm injury when the driver front air bag inflates. RAdjust the front-passenger seat as far back as possible 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 child restraint, infant restraint or booster seat recommended for the size and weight of the child. RCanada only: children under 12 years may only sit in the front-passenger seat if they are seated in a child restraint system which is compatible with BabySmart™ and approved by Mercedes-Benz. If the child restraint system is installed properly, the front-passenger front air bag is deactivated in conjunction with the BabySmart™ system installed in the vehicle. Otherwise, the child could be struck by the air bag when it inflates in a crash. This could lead to serious or fatal injuries. 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. A side impact air bag related injury may occur 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. Occupant safety 39 To help avoid the possibility of injury, please follow these guidelines: (1) (2) Always sit as upright as possible and use the seat belts properly. Make sure that children 12 years old and under use an appropriately sized child restraint, infant restraint, or booster seat recommended for the size and weight of the child. Always wear seat belts properly. The air bags are only deployed if the air bag control unit detects the need for deployment. Only in the event of such a situation will they provide their supplemental protection. The driver and passenger should always wear their seat belts. Otherwise, it is not possible for the air bags to provide their supplemental protection. In the event 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 provide additional protection; they are not, however, a substitute for seat belts. All vehicle occupants must fasten their seat belts regardless of whether your vehicle is equipped with air bags or not. It is important for your safety and that of your passenger to have deployed air bags replaced and to have any malfunctioning air bags repaired. This will help to make sure the air bags continue to perform their protective function for the vehicle occupants in the event of a crash. Front air bags G Warning Observe "Important safety instructions" (Y page 38). BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 40 Version: 3.0.3.5 40 Occupant safety The front air bags increase protection for the driver's and front passenger's head and chest. Driver's air bag : deploys in front of the steering wheel; front-passenger air bag ; deploys in front of and above the glove box. They 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 Rif the seat belt is fastened Rindependently of other air bags in the vehicle If the vehicle overturns, the front air bags are generally not deployed unless the system detects high vehicle deceleration in a longitudinal direction. Your vehicle has adaptive, dual-stage front air bags. In the event of a collision, the air bag control unit evaluates the vehicle deceleration. When the first deployment threshold is reached, the front air bag is filled with enough propellant gas to reduce the risk of injuries. The front air bag is fully deployed if a second deployment threshold is exceeded within a few milliseconds. Vehicles with OCS (USA only): front- passenger front air bag deployment is also influenced by the passenger's weight category as identified by the Occupant Classification System (OCS) (Y page 42). Vehicles with OCS (USA only): the lighter the passenger side occupant, the higher the vehicle deceleration rate required for second stage inflation of the front-passenger front air bag. In the second stage, the front air bags are inflated with the maximum amount of propellant gas available. 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 seat belt. ! Vehicles with BabySmart™ (Canada only): do not place objects heavier than 20 lb (9 kg) on the front-passenger seat, as this could be interpreted as the seat being occupied. In the event of an accident, the restraint systems on the front-passenger side are deployed. Have restraint systems replaced that have been deployed. The front-passenger front air bag will only deploy if: Rthe system, based on the OCS weight sensor readings, detects that the front- passenger seat is occupied (USA only). Rthe 42 indicator lamp in the center console is not lit, USA: (Y page 42), Canada: (Y page 48). Rthe impact exceeds a preset deployment threshold Side impact air bags G Warning Observe "Important safety instructions" (Y page 38). 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 BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 41 Version: 3.0.3.5 doors must therefore only be performed by qualified technicians. Contact an authorized Mercedes-Benz Center. 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. When deployed, the side impact air bags offer additional protection for the thorax of the vehicle occupants on the side of the vehicle on which the impact occurs. However, they do not protect the: Rhead Rneck Rarms Front side impact air bags : and rear side impact air bags ; are deployed next to the outer seat cushions. The side impact air bags are deployed: Ron the side on which an impact occurs Rat the start of an accident with a high rate of lateral vehicle deceleration or acceleration, e.g. in a side impact Rindependently of seat belt use Rindependently of the front air bags Rindependently of the ETDs If the vehicle overturns, the side impact air bags are generally not deployed. They are Occupant safety 41 deployed if the system detects high vehicle deceleration or acceleration in a lateral direction and determines that side impact air bag deployment can offer additional protection to that provided by the seat belt. The side impact air bags are not deployed in side impacts which do not exceed the system's deployment threshold. Vehicles with OCS (USA only): if OCS detects that the front-passenger seat is not occupied and the front-passenger seat belt is not fastened (the belt tongue is not engaged in the seat belt buckle), the side impact air bag on the front-passenger side will not deploy. The side impact air bag on the front- passenger side will deploy if the front- passenger seat belt is fastened, regardless of whether the front-passenger seat is occupied or not. ! Vehicles with BabySmart™ (Canada only): do not place objects heavier than 20 lb (9 kg) on the front-passenger seat, as this could be interpreted as the seat being occupied. In the event of an accident, the restraint systems on the front-passenger side are deployed. Have restraint systems replaced that have been deployed. Window curtain air bags G Warning Observe "Important safety instructions" (Y page 38). The window curtain air bags enhance the level of protection for the head (but not chest or arms) of the vehicle occupants on the side of the vehicle on which the impact occurs. The window curtain air bags are installed into the side of the roof frame and run from the front door (A-pillar) to the rear windows (D- pillar). BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 42 Version: 3.0.3.5 42 Occupant safety The system does not disable: Rthe side impact air bag Rthe window curtain air bag Rthe Emergency Tensioning Devices 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 their feet on the floor If the front-passenger's weight is transferred to another object in the vehicle (e.g. by leaning on armrests), the front passenger's weight category, as determined by OCS, will not be accurate. Furthermore, the occupant weight may appear to increase or decrease due to the following: Robjects hanging on the seat Robjects lodged under the seat Robjects lodged between the seat and the center console Robjects lodged between the seat and the door Rother passengers pushing the seat Robjects applying pressure to the back of the seat Make sure that the seat always has clearance in all directions. If the front-passenger seat, the seat cover or the seat cushion are damaged, have the necessary repair work carried out at an authorized Mercedes-Benz Center. For reasons of safety, Mercedes-Benz recommends that you only use seat accessories that have been approved by Mercedes-Benz. Both the driver and the front passenger should observe the 42 indicator lamp to determine whether or not the front passenger is positioned correctly. Window curtain air bags : are deployed: Ron the side on which an impact occurs Rat the start of an accident with a high rate of lateral vehicle deceleration or acceleration, e.g. in a side impact Rregardless of whether the front-passenger seat is occupied Rindependently of seat belt use Rif the vehicle overturns and the system determines that window curtain air bag deployment can offer additional protection to that provided by the seat belt Rindependently of the front air bags The window curtain air bags will not deploy in impacts which do not exceed the system's preset thresholds. You will then be protected by the fastened seat belts. Occupant classification system (OCS) How the Occupant Classification System works The Occupant Classification System (OCS) is standard equipment in the USA. OCS categorizes the occupant on the front- passenger seat by means of a weight sensor. The front-passenger front air bag is automatically deactivated for certain weight categories. The respective status can be recognized by the 42 indicator lamp. When the 42 indicator lamp is illuminated, the front-passenger front air bag is deactivated. BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 43 Version: 3.0.3.5 G Warning If the 42 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 42 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 weighing 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 42 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 42 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 42 indicator lamp will illuminate for approximately 6 seconds when the engine is started and then, depending on occupant weight sensor readings from the front- passenger seat, remain illuminated or go out. With the 42 indicator lamp illuminated, the front-passenger front air bag is deactivated. With the 42 Occupant safety 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 42 indicator lamp will illuminate for approximately six seconds when the engine is started and then go out, indicating that the front-passenger front air bag is activated. If the 42 indicator lamp is illuminated, the front-passenger front air bag is deactivated and will not be deployed. If the 42 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 OCS For further information, see "Air bag display messages" (Y page 215). G Warning According to accident statistics, children are safer when properly restrained on the rear seats than on the front-passenger seat. 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 child restraint system or booster seat recommended for the size and weight of the child. The infant or child restraint system must be properly secured with the vehicle's seat belt, BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 44 Version: 3.0.3.5 44 Occupant safety illuminated. If the 42 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 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 - secure child restraint with the vehicle's seat belt according to the child seat manufacturer's instructions RFor children larger than a typical 12-month- old child, the front-passenger front air bag can be activated or deactivated. Deployment of the driver front air bag does not mean that the front-passenger front air bag should also have deployed. In such cases, the OCS may have determined: Rthat the seat was unoccupied or occupied by the weight up to or less than that of a typical 12-month-old child seated in a standard child restraint Rthat the seat was occupied by a small individual (e.g. 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 system These are examples of when OCS deactivates the front-passenger front air bag. The air bag is deactivated despite the impact fulfilling the criteria for deploying the driver's front air bag. 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 appropriate 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 eliminate this risk completely is never to place a child in a rear-facing child restraint in the front- passenger seat. We therefore strongly recommend that you always place a child in a rear-facing child restraint on the rear seat. RIf you install a rear-facing child restraint on the front-passenger seat, make sure the 42 indicator lamp is illuminated, indicating that the front- passenger front air bag is deactivated. Should the 42 indicator lamp not illuminate or go out while the restraint is installed, please check installation. Periodically check the 42 indicator lamp while driving to make sure the 42 indicator lamp is BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 45 Version: 3.0.3.5 Occupant safety 45 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 cushion 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. If the key has been removed from the ignition lock or is in position 0, indicator lamp 42: does not light up. G Warning If the red + SRS warning lamp in the instrument cluster and the 42 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 parcel net on the rear 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 store any objects, such as books, between the front-passenger seat and the center console or the front-passenger door. RDo not move the front-passenger seat backwards against rigid objects. RSit with the seat belt properly fastened in a position that is as upright as possible with your back against the seat backrest. System self-test The 42 indicator lamp illuminates when you: Rturn the SmartKey to position 1 or 2 in the ignition lock Rpress the KEYLESS-GO Start-Stop button once or twice If an adult occupant is properly sitting on the passenger seat and the OCS classifies the occupant as an adult, the 42 indicator lamp illuminates and goes out again after approximately 6 seconds. If the seat is not occupied and the OCS classifies the front-passenger seat as being unoccupied, the 42 indicator lamp will illuminate and not go out. G Warning! If the 4 2 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 "Problems with the occupant classification system" (Y page 47). G Warning Never place anything between seat cushion and child seat (e.g. a pillow), since it reduces the effectiveness of the OCS. The underside and rear side child restraint system must be placed entirely on the seat cushion and the backrest of the front-passenger seat backrest. BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 46 Version: 3.0.3.5 46 Occupant safety 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 restraint systems. BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 47 Version: 3.0.3.5 Problems with the occupant classification system Occupant safety 47 Possible causes/consequences and M Solutions The OCS is malfunctioning. X Have the OCS checked as soon as possible at an authorized Mercedes-Benz Center. X Read and observe the additional display messages in the multifunction display (Y page 215). Problem USA only: The 42 indicator lamp illuminates and remains illuminated when the weight of a typical adult or an individual that is the size of a typical adult has been detected on the passenger seat; the system then determines the occupant cannot be a child. G Warning If the 42 indicator lamp illuminates and remains illuminated when the weight of a typical adult or someone larger than a small individual has been detected on the passenger seat, the system then determines the occupant cannot be a child. Do not allow any occupant to use the passenger seat until the system has been repaired. Problem The 42 indicator lamp does not illuminate and/or does not remain illuminated when the weight of a typical 12-month-old child in a standard child restraint or less/ unoccupied child restraint has been detected on the front- passenger seat. Possible causes/consequences and M Solutions The OCS is malfunctioning. X Make sure there is nothing between the seat cushion and the child seat. X Check the installation of the child restraint system. X Make sure there are no objects applying additional weight onto the seat. X Make sure there are no objects applying additional weight onto the seat. Head restraints that press against the roof or books that are behind or trapped between the seat, for example, apply force to the seat. OCS senses such forces as additional weight. X If the 42 indicator lamp does not illuminate, have the OCS checked as soon as possible at an authorized Mercedes-Benz Center. Do not transport a child on the front- passenger seat until the OCS has been repaired. X Read and observe the additional display messages in the multifunction display (Y page 215). BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 48 Version: 3.0.3.5 48 Occupant safety G Warning If the 42 indicator lamp does not illuminate or remains out with the weight of a typical 12-month-old child in a standard child restraint or less, or is unoccupied, on the front- passenger seat, do not transport a child on the front-passenger seat until the system has been repaired. BabySmart™ air bag deactivation system How the air bag deactivation system functions The BabySmart™ system is standard equipment in Canada. G Warning According to accident statistics, children are safer when properly restrained on the rear seats than on the front-passenger seat. For this reason, Mercedes-Benz strongly advises that you always secure children in the rear seats. Regardless of seating position, children 12 years old and under must be seated and properly secured in an appropriately sized child restraint system or booster seat recommended for the size and weight of the child. Secure the child restraint system using: Rthe vehicle's seat belt Rthe seat belt and a Top Tether belt Rthe "LATCH" type child seat mount (ISOFIX) and a Top Tether belt The child restraint system must be installed and secured correctly, observing the manufacturer's installation 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. Observe the following important information if it is necessary to carry a child on the front-passenger seat: RCanada only: children 12 years old and under must never ride in the front seat, except in an authorized Mercedes-Benz child restraint that is compatible with the BabySmart™ child restraint system. If the child restraint system is installed properly, the front-passenger front air bag is deactivated in conjunction with the BabySmart™ system. Otherwise, the child could be struck by the air bag when it inflates in a crash. This could lead to serious or fatal injury. 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 eliminate this risk completely is never to place a child in a rear-facing child restraint in the front- passenger seat. We therefore strongly recommend that you always place a child in a rear-facing child restraint on the rear seat. RIf it is necessary to install a BabySmart™- compatible rear-facing child restraint system on the front-passenger seat, make sure the 42 indicator lamp is illuminated. This indicates that the front- passenger front air bag is disabled. Should the 42 indicator lamp not illuminate or go out while the restraint is installed, please check installation. Periodically check the 42 BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 49 Version: 3.0.3.5 indicator lamp while driving to make sure that the 42 indicator lamp is illuminated. If the 42 indicator lamp goes out or remains out, you may only carry a child on the front-passenger seat once 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 system on the front- passenger seat, you must: - move the seat as far back as possible - use the proper child restraint recommended for the age, size and weight of the child - secure child restraint with the vehicle's seat belt according to the child seat manufacturer's instructions G Warning When using a BabySmart™-compatible child restraint system on the front-passenger seat, the front-passenger front air bag is only disabled if the 42 indicator lamp is illuminated. Check the 42 indicator lamp repeatedly, every time you use a BabySmart™-compatible child restraint system on the front-passenger seat. Should the 42 indicator lamp not illuminate or go out while the restraint is installed, please check installation. If the 42 indicator lamp remains out, do not use the BabySmart™ child restraint system to carry a child on the front-passenger seat until the system has been repaired. G Warning The BabySmart™ air bag disabling system ONLY works with specially adapted child restraint systems. It does not work with child restraint systems that are not compatible with BabySmart™. Occupant safety 49 Never place anything between the seat cushion and the child restraint system (e.g. a cushion), as this reduces the effectiveness of the BabySmart™ air bag deactivation system. The underside of the child restraint system must lie against the seat cushion of the front- passenger seat. In the event of an accident, an incorrectly installed child restraint system could injure the child instead of offering protection. Observe the manufacturer's instructions when installing special child restraint systems. Special child restraint systems which are compatible with BabySmart™ are necessary for deactivating the front-passenger front air bag. When the special child restraint system which is compatible with BabySmart™ is installed correctly and is recognized by the sensor system in the front-passenger seat, the front-passenger front air bag is deactivated. In this case, 42 indicator lamp: illuminates. If you have any questions regarding the special child restraint systems which are compatible with BabySmart™, consult an authorized Mercedes-Benz Center. If the key has been removed from the ignition lock or is in position 0, indicator lamp 42: does not light up. The system does not disable: Rthe side impact air bag Rthe window curtain air bag Rthe Emergency Tensioning Devices BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 50 Version: 3.0.3.5 50 Occupant safety System self-test The 42 indicator lamp illuminates when you: Rturn the SmartKey to position 1 or 2 in the ignition lock Ron vehicles with KEYLESS-GO, press the Start-Stop button once or twice The 42 indicator lamp goes out again after approximately six seconds. If the 42 indicator lamp does not illuminate or is lit continuously, the system is malfunctioning. Before transporting a child on the front-passenger seat, have the BabySmart™ system checked at an authorized Mercedes-Benz Center. For more information, see "Problems with the air bag deactivation system" section (Y page 51) G Warning Do not place powered-on laptops, mobile phones, electronic tags such as those used in ski passes or similar electronic devices on the front passenger seat. Signals from such devices may interfere with the BabySmart™ air bag deactivation system. Such signal interference may cause the 42 indicator lamp not to come on during self-test. The + SRS indicator lamp and/or the 42 indicator lamp could be continuously lit, indicating that the system is not functioning. The front-passenger front air bag could deploy inadvertently or fail to deploy in an accident. BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 51 Version: 3.0.3.5 Occupant safety 51 Problems with the air bag deactivation system Problem The 42 indicator lamp illuminates and remains illuminated. Possible causes/consequences and M Solutions A special BabySmart™ compatible child restraint system is installed on the front-passenger seat. The front-passenger front air bag is therefore deactivated. A BabySmart™-compatible child restraint system is not installed on the front-passenger seat. The BabySmart™ system is malfunctioning. X Have the BabySmart™ system checked as soon as possible at an authorized Mercedes-Benz Center. G Warning If the 42 indicator lamp illuminates and remains illuminated when the weight of a typical adult or someone larger than a small individual has been detected on the passenger seat, the system then determines the occupant cannot be a child. Do not allow any occupant to use the passenger seat until the system has been repaired. Problem The 42 indicator lamp does not illuminate or does not remain illuminated with a BabySmart™- compatible child restraint system properly installed on the front-passenger seat. Possible causes/consequences and M Solutions The BabySmart™ system is malfunctioning. X Make sure there is nothing between the seat cushion and the child seat. X Check the installation of the child restraint system. X If the 42 indicator lamp does not illuminate, have the BabySmart™ system checked as soon as possible at an authorized Mercedes-Benz Center. Do not transport a child on the front-passenger seat until the BabySmart™ system has been repaired. PRE-SAFE® system 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. PRE-SAFE® takes pre-emptive measures to protect you in certain hazardous situations. PRE-SAFE® intervenes: Rin emergency braking situations, if the BAS Brake Assist System intervenes Rin critical driving situations, e.g. if the vehicle understeers or oversteers severely when exceeding physical limits or in case of having to swerve to avoid an obstacle at a speed above 85 mph (140 km/h). BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 52 Version: 3.0.3.5 52 Occupant safety PRE-SAFE® takes the following measures depending on the hazardous situation detected: Rthe front seat belts are pre-tensioned. Ron vehicles with memory functions: the front-passenger seat is adjusted if it is in an unfavorable position under accident conditions. Rif the vehicle skids, the side windows are closed so that only a small gap remains. Ron vehicles with sliding sunroof: if the vehicle skids, the sliding sunroof closes so that only a small gap remains. If the hazardous situation passes without resulting in an accident, PRE-SAFE® slackens the belt pretensioning. All settings made by PRE-SAFE® can then be reversed. If the seat belts are not released: X Move the backrest or the seat back slightly until the belt pretensioning is reduced. The locking mechanism releases. G Warning Make sure that nobody can become trapped as you adjust the seat. ! Make sure that there are no objects in the footwell or behind the seats when resetting the seats. There is a risk that the seats and/or the objects could be damaged. More information about belt adjustment, a convenience function integrated into PRE- SAFE®, can be found in the "Belt adjustment" section (Y page 56). NECK-PRO head restraints/NECK- PRO luxury head restraints NECK-PRO head restraints/NECK-PRO luxury head restraints increase protection of the driver’s and front-passenger’s head and neck. In the event of a rear collision of a certain severity, the NECK-PRO head restraints/ NECK-PRO luxury head restraints on the driver's and the front-passenger seat are moved forwards and upwards. This provides better head support. G Warning Do not attach any objects (e.g. a coat hanger) to the NECK-PRO head restraints/NECK-PRO luxury head restraints. Otherwise, the NECK- PRO head restraints/NECK-PRO luxury head restraints may not function properly and in the event of a rear-end collision may not offer the protection they are designed to provide. G Warning Only use seat covers/head restraint covers that have been tested and approved by Mercedes-Benz for your vehicle model. Using seat covers and head restraint covers other than those recommended may cause a malfunction when NECK-PRO head restraints/NECK-PRO luxury head restraints are triggered or may prevent side impact air bags/pelvis air bags from deploying. Consult an authorized Mercedes-Benz Center regarding availability. If the NECK-PRO head restraints/NECK-PRO luxury head restraints have been triggered in an accident, reset the NECK-PRO head restraints/NECK-PRO luxury head restraints on the driver's and front-passenger seats (Y page 53). Otherwise, the additional protection will not be available in the event of another rear-end collision. NECK-PRO head restraints/NECK-PRO luxury head restraints that have been triggered are moved forwards and can no longer be adjusted. G Warning! For your protection, drive only with properly positioned head restraints. Adjust the head restraint so that it is as close to the head as possible and the center of the head restraint supports the back of the head at eye level. This will reduce the potential for injury to the head and neck in the event of an accident or similar situation. BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 53 Version: 3.0.3.5 Resetting triggered NECK-PRO head restraints Important safety guidelines G Warning For reasons of safety, have the NECK-PRO head restraints/NECK-PRO luxury head restraints checked at an authorized Mercedes-Benz Center after a rear-end collision. G Warning When pushing back the NECK-PRO head restraint cushion, make sure your fingers do not become caught between the head restraint cushion and the cover. Failure to observe this could result in injuries. NECK-PRO head restraints i Resetting the NECK-PRO head restraints requires a lot of strength. If you have difficulty resetting the NECK-PRO head restraints, have this work carried out at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center. X Tilt the top of the NECK-PRO head restraint cushion forwards in the direction of arrow :. X Push the NECK-PRO head restraint cushion down in the direction of arrow ; as far as it will go. Occupant safety 53 X Firmly push the NECK-PRO head restraint cushion back in the direction of arrow = until the cushion engages. X Repeat this procedure for the second NECK-PRO head restraint. NECK-PRO luxury head restraints i If you have difficulty resetting the NECK- PRO luxury head restraints, have this work carried out at a qualified specialist workshop, e.g. a Mercedes Benz Service center. X Remove resetting tool : from the vehicle document wallet. X Slide resetting tool : into guide ; between the NECK-PRO luxury head restraint and the rear cover of the head restraint. X Push resetting tool : downwards until you hear the head restraint deployment mechanism engage. X Pull out resetting tool :. X Firmly press the NECK-PRO luxury head restraint cushion back = until it engages. X Repeat this procedure for the second NECK-PRO luxury head restraint. X Put resetting tool : back into the vehicle document wallet. BA 251 USA, CA Edition A 2011; 1; 3, en-US d2sboike 2010-04-16T14:31:55+02:00 - Seite 54

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2011 Mercedes-benz R Class Owners Manual