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Vehicle operation outside the USA and Canada If you plan to operate your vehicle in foreign countries, please be aware that: Rservice facilities or replacement parts may
not be readily available.
Runleaded fuel for vehicles with a catalytic converter may not be available. Leaded fuel may cause damage to the catalytic converter.
Rthe fuel may have a considerably lower octane rating. Unsuitable fuel can cause engine damage.
Some Mercedes-Benz models are available for delivery in Europe through our European Delivery Program. For details, consult an authorized Mercedes-Benz Center or write to one of the following addresses.
In the USA Mercedes-Benz USA, LLC European Delivery Department One Mercedes Drive Montvale, NJ 07645-0350
In Canada Mercedes-Benz Canada, Inc. European Delivery Department 98 Vanderhoof Avenue Toronto, Ontario M4G 4C9
Operating safety Safety notes G WARNING Work improperly carried out on electronic components and associated software could cause them to cease functioning. Because the vehicle's electronic components are interconnected, any modifications made may produce an undesired effect on other systems. Electronic malfunctions could seriously impair the operating safety of your vehicle. Contact an authorized Mercedes-Benz Center for repairs or modifications to electronic components. Other improper work or modifications on the vehicle could also have a negative impact on the operating safety of the vehicle. Some safety systems only function when the engine is running. You should therefore never turn off the engine while driving. G WARNING Heavy blows against the vehicle underbody or tires/wheels may cause serious damage and impair the operating safety of your vehicle. Such blows can be caused, for example, by running over an obstacle, road debris or a pothole. If you feel a sudden significant vibration or ride disturbance, or you suspect that damage to your vehicle has occurred: Rturn on your hazard warning flashers. Rslow down carefully. Rdrive with caution to an area which is a safe
distance from the road.
Inspect the vehicle underbody and tires/ wheels for possible damage. If the vehicle appears unsafe, have it towed to the nearest authorized Mercedes-Benz Center or other qualified maintenance or repair facility for further inspection or repairs.
Qualified specialist workshop An authorized Mercedes-Benz Center is a qualified specialist workshop. It has the necessary specialist knowledge, tools and qualifications to correctly carry out the work required on your vehicle. This is especially the case for work relevant to safety. Observe the notes in the service booklet. Always have the following work carried out at an authorized Mercedes-Benz Center: Rwork relevant to safety Rservice and maintenance work Rrepair work Ralterations, installation work and
modifications
Rwork on electronic components
Proper use G WARNING There are various warning stickers affixed to your vehicle. Their purpose is to alert you and others to various dangers. Therefore, do not remove any warning stickers unless the sticker clearly states that you may do so. If you remove any warning stickers, you or others could fail to recognize certain dangers and be injured.
The proper use of the vehicle requires that you familiarize yourself with the following information and rules: Rsafety notes in this Operator's Manual Rtechnical data in this Operator's Manual Rtraffic rules and regulations Rlaws and safety standards pertaining to
motor vehicles
Problems with your vehicle If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to
Introduction
25
contact an authorized Mercedes-Benz Center immediately to have the problem diagnosed and rectified. If the problem is not resolved to your satisfaction, please discuss the problem again with a Mercedes-Benz Center or contact us at one of the following addresses.
In the USA Customer Assistance Center Mercedes-Benz USA, LLC One Mercedes Drive Montvale, NJ 07645-0350
In Canada Customer Relations Department Mercedes-Benz Canada, Inc. 98 Vanderhoof Avenue Toronto, Ontario M4G 4C9
Reporting malfunctions relevant to safety For the USA only: The following text is reproduced as required of all manufacturers according to Title 49, Code of U.S. Federal Regulations, Part 575
pursuant to the National Traffic and Motor Vehicle Safety Act of 1966.Reporting safety defects If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying Mercedes-Benz USA, LLC. If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot become involved in individual problems between you, your dealer, or Mercedes-Benz USA, LLC.
Rfor use in arbitration of disputes that
involve Daimler AG, its affiliates or its sales and service organizations
Ras otherwise required or permitted by law. Please observe the mbrace1 purchase agreement for further details on the recording and transfer of data by this system.
26
Introduction
To contact NHTSA, you may call the Vehicle Safety Hotline toll-free at 1-888-327-4236 (TTY: 1-800-424-9153); go to: http://www.safercar.gov; or write to: Administrator, NHTSA Headquarters, 1200 New Jersey Avenue, SE, West Building, Washington, DC 20590. You can also obtain additional information about vehicle safety from: http://www.safercar.gov.
Limited Warranty ! Follow the instructions in this manual
about the proper operation of your vehicle as well as about possible vehicle damage. Damage to your vehicle that arises from culpable contraventions against these instructions are not covered either by Mercedes-Benz Limited Warranty or by the New or Used-Vehicle Warranty of Daimler AG.
Data stored in the vehicle Information about electronic data acquisition in the vehicle (Including notice pursuant to California Code § 9951) Your vehicle records electronic data. If your vehicle is equipped with mbrace1, data is transmitted in the event of an accident. This information helps, for example, to test vehicle systems after an accident and to continually improve vehicle safety. Daimler AG can access this data and submit it: Rfor safety research or vehicle diagnosis
purposes
Rwith the consent of the vehicle owner Ron the instruction of prosecuting
authorities
1 The system is called TELE AID in Canada.
Cockpit ................................................. 28
Instrument cluster .............................. 29
Multifunction steering wheel ............. 31
Center console .................................... 32
Overhead control panel ...................... 35
Door control panel .............................. 3627
28
Cockpit
Cockpit
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 Climate control systems E Ignition lock
Start/Stop button
157
176
29153
192
35
130
145
145F Adjusts the steering wheel
electrically Steering wheel heating
G Combination switch H Parking brake I On-board diagnostics
socket
J Opens the hood K Releases the parking brake L Light switch M Night View Assist Plus
107
107
117
169308
169
114
200Instrument cluster Displays and controls
Instrument cluster
29
Function : Fuel gauge ; Clock = Speedometer with
segments
? Multifunction display A Tachometer
Page 214
Page
Function
B Coolant temperature C Instrument cluster lighting
brightness control: turn clockwise or counter- clockwise
215
216
21530
Instrument cluster
Warning and indicator lamps
Function : ESP® OFF ; Diesel engine: preglow = Front fog lamps ? Rear fog lamp A SPORT handling mode in
AMG vehicles
B Turn signal C ESP® D Distance warning E High-beam headlamps F Low-beam headlamps
Page 264
147
116
116265
117
264
270
117
115Function G Seat belt H SRS I Check engine J Brakes (Canada only) K Tire pressure monitor L Coolant M Brakes (USA only) N ABS O Reserve fuel
Page 261
266
267
263
271
268
263
264
267Multifunction steering wheel
31
Multifunction steering wheel
Page 216
Function
A %
222
Back or deactivates the Voice Control System
B =;
Selects a menu 9: Selects the submenu or scrolls through lists Confirms selections and hides display messages
Page
218
218
Function
: Multifunction display ; COMAND; see the separate
operating instructions
= ~
Rejects or ends a call Exits phone book/redial memory Makes or accepts a call Switches to the redial memory WX Adjusts the volume Mute
? ?
Switches on the Voice Control System; see the separate operating instructions
32
Center console
Center console Center console, upper section
Function
: £ Hazard warning
lamps
; ATA indicator lamp = 45 Indicator lamp ? Audio system/COMAND;
see separate operating instructions
A c Seat heating
Page
118
72
44Function
B s Seat ventilation C ¤ ECO start/stop
function (AMG vehicles)
D c PARKTRONIC E Ü Retracts the rear seat
head restraints
105
F u Sedan: rear window
roller sunblind
Page 106
148
192101
292
Center console, lower section
Center console
33
Function
G Stowage compartment
Ashtray Cigarette lighter Cup holder
H e Sets the suspension
tuning
Page 274
292
293
289190
Function
I É Sets the vehicle level J Stowage compartment K Û Selects the drive
program
L Audio/COMAND controller
Page 189
274156
34
Center console
Center console, lower section - AMG vehicles
Function
G Ashtray
Cigarette lighter
H Engages parking position P I Selector lever J Cup holder K Stowage compartment L Audio/COMAND controller
Page 292
293
168
152
289
274Function
M ß Calls up/saves the
suspension tuning
N à Sets the suspension
tuning
O å ESP® P Drive program selector
Page
191
191
67
156Overhead control panel
Overhead control panel
35
Page 110
305
302
298
120
121
Function
C Rear-view mirror D Integrated electronic
compass
E Buttons for the garage door
opener
F Microphone for mbrace (emergency call system), telephone and the Voice Control System2
G F Roadside Assistance
button (mbrace system) H p Switches the left-
hand reading lamp on/off I c Switches the front
interior lighting on/off
Function
: u Switches the rear interior lighting on/off
; | Switches the
automatic interior lighting control on/off
= p Switches the right- hand reading lamp on/off
? 3 Opens/closes the
sliding sunroof 3 Opens/closes the panorama roof with power tilt/sliding panel and roller sunblinds
A ï Button for MB Info call
(mbrace system)
B G SOS button (mbrace
system)
Page
121
120
120
94
94
299
297
2 Observe the additional operating instructions.
36 Door control panel
Door control panel
Function
Page
: r45=
Stores settings for the seat, exterior mirrors and steering wheel
; Adjusts the seat electrically = %& Unlocks/locks
the vehicle
? Opens the door
A 7Zö\ Adjusts and folds the exterior mirrors in/out electrically
B W Opens/closes the
side windows
C n Activates/
deactivates the override feature for the side windows in the rear compartment
D p Opens/closes the
trunk lid/tailgate
111
10082
82109
90
62
87
Useful information .............................. 38
Occupant safety .................................. 38
Children in the vehicle ........................ 56
Panic alarm .......................................... 62
Driving safety systems ....................... 63
Theft deterrent locking systems ....... 7137
38 Occupant safety
Useful information
i This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences are possible. Please note that your vehicle may not be equipped with all features described. This also applies to safety- related systems and functions.
i Please read the information on qualified
specialist workshops (Y page 25).
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 system consists of: Rseat belts Rchild restraint systems RLATCH-type (ISOFIX) child seat anchors 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
front-passenger seat with Occupant Classification System (OCS)
The different air bag systems work independently of each other. The protective functions of the system work in conjunction with each other. Not all air bags are deployed in an accident. G WARNING Modifications to or work improperly conducted on restraint system components or their wiring, as well as tampering with interconnected electronic systems, can lead
to the restraint systems no longer functioning as intended. Air bags or Emergency Tensioning Devices (ETDs), for example, could deploy inadvertently or fail to deploy in accidents although the deceleration threshold for air bag deployment is exceeded. Therefore, never modify the restraint systems. Do not tamper with electronic components or their software.
i See "Children in the vehicle"
(Y page 56) for more information on infants and children traveling with you in the vehicle and restraints for infants and children.
SRS (Supplemental Restraint System) Introduction SRS consists of: Rthe 6 SRS warning lamp Rair bags Rair bag control unit (with crash sensors) REmergency Tensioning Devices Rbelt force limiters 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 warning lamp 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 6 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 6 SRS warning lamp is not lit while the engine is running .
G WARNING The SRS self-check has detected a malfunction if the 6 SRS warning lamp: Rdoes not come on at all Rfails to go out approximately 4 seconds
after the engine was started
Rcomes on after the engine was started or
while driving
For your safety, Mercedes-Benz strongly 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. If it is necessary to modify an air bag system to accommodate a person with disabilities, contact an authorized Mercedes-Benz Center for details. 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
39
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 - knee bag covers - outer side of front seat bolsters - side trim next to the rear seat backrest
front-passenger air bag cover
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.
40 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 notes 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 and driver's knee bag)
Rside impacts (side impact air bags, window
curtain air bags and pelvis 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 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.
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. 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.
Occupant safety
41
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, the 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 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 front air
42 Occupant safety
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, two-stage front air bags. In the event of a collision, the air bag control unit evaluates the vehicle deceleration. In the first deployment stage, 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. The deployment of the front-passenger front air bag is also influenced by the weight category of the front passenger, which is determined by the Occupant Classification System (OCS) (Y page 44). The lighter the passenger side occupant, the higher the vehicle deceleration rate required (predicted at the start of the impact) 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 front air bags are not deployed in situations where a low impact severity is predicted. You will then be protected by the fastened seat belt.
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.
Rthe 45 indicator lamp in the center
console is not lit, (Y page 44).
Rthe air bag control unit predicts a high
impact severity.
Driver's knee bag
Driver's knee bag : provides additional protection for the driver against: Rknee injuries Rthigh injuries Rlower leg injuries Driver's knee bag : deploys below the steering wheel. During a frontal impact, if the system determines that air bag deployment can offer additional protection to that provided by the seat belt, driver's knee bag : is deployed along with the driver's air bag. The driver's knee bag : operates best in conjunction with a properly positioned and fastened seat belt.
Side impact air bags 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. G WARNING Only use seat covers which have been tested and approved by Mercedes-Benz for your vehicle model. Using seat covers or other seat coverings can cause a malfunction of the side impact air bags and/or the pelvis 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
Example: Sedan Front side impact air bags : and rear side impact air bags ; deploy next to the outer seat cushions.
Occupant safety
43
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 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. Side impact air bags will not deploy in side impacts which do not exceed the system's preset deployment thresholds for lateral acceleration/deceleration. You will then be protected by the fastened seat belt. If the 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.
Pelvis air bags G WARNING Only use seat covers which have been tested and approved by Mercedes-Benz for your vehicle model. Using seat covers or other seat coverings can cause a malfunction of the side impact air bags and/or the pelvis air bags. Contact an authorized Mercedes-Benz Center for availability.
Pelvis air bag deployment enhances the level of protection of the vehicle occupants on the side of the vehicle on which the impact occurs.
44 Occupant safety
arms, of the vehicle occupants on the side of the vehicle on which the impact occurs. The window curtain air bags are integrated into the side of the roof frame and deploy in the area from the A-pillar to the C-pillar.
Pelvis air bags : deploy next to and below the outer seat cushions. They 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 The pelvis air bags are generally not deployed if the vehicle overturns, unless the system detects high vehicle deceleration or acceleration in a lateral direction and determines that they can offer additional protection to that provided by the seat belt. Pelvis air bags : will not deploy in side impacts which do not exceed the system's preset deployment thresholds for lateral acceleration/deceleration. You will then be protected by the fastened seat belt. Vehicles with OCS (USA only): if the 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 pelvis air bag on the front-passenger side will not deploy. The pelvis 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.
Window curtain air bags The window curtain air bags enhance the level of protection for the head, but not chest or
Example: Sedan 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 Window curtain air bags : will not deploy in impacts with deceleration rates which do not exceed the system's preset deployment thresholds for vehicle deceleration or acceleration. You will then be protected by the fastened seat belt.
Occupant Classification System (OCS) How the occupant classification system works The Occupant Classification System (OCS) categorizes the occupant on the front-
passenger seat by means of a weight sensor. The front-passenger front air bag is deactivated automatically for certain weight categories. The 45 indicator lamp shows you the current status. If the 45 indicator lamp is illuminated, the front-passenger front air bag is deactivated. The system does not deactivate: Rthe side impact air bag Rthe pelvis air bag Rthe window curtain air bag Rthe Emergency Tensioning Devices To be classified correctly, the front passenger must sit: Rwith the seat belt fastened correctly Rin a position that is as upright as possible with their 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), OCS may not be able to approximate the occupant's weight category. 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 safety reasons, Mercedes-Benz recommends that you only use seat accessories which have been approved by Mercedes-Benz. Both the driver and the passenger should always use the 45 indicator lamp as an indication of whether or not the passenger is properly positioned. G WARNING If the 45 indicator lamp illuminates when an adult or someone larger than a small individual is in the front passenger seat, have the front passenger reposition himself or herself in the seat until the 45
indicator lamp goes out. In the event of a collision, the air bag control unit will not allow front passenger front air bag deployment when the OCS has classified theOccupant safety
45
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 45 indicator lamp will illuminate when the engine is started and remain illuminated. This indicates that the front passenger front air bag is deactivated. When the OCS senses that the front passenger seat is classified as being empty, the 45 indicator lamp will illuminate when the engine is started and remain illuminated. This indicates that the front passenger front air bag is deactivated. When the OCS senses that the front passenger seat occupant is classified as being heavier than the weight of a typical 12- month-old child seated in a standard child restraint or as being a small individual (such as a young teenager or a small adult), the 45 indicator lamp will illuminate for approximately 6 seconds when the engine is started. Depending on occupant weight sensor readings from the seat, it will then remain illuminated or go out. With the 45 indicator lamp illuminated, the front passenger front air bag is deactivated. With the 45 indicator lamp out, the front passenger front air bag is activated. When the OCS senses that the front passenger seat occupant is classified as an adult or someone larger than a small individual, the 45 indicator lamp will illuminate for approximately six seconds when the engine is started and then go out. This indicates that the front passenger front air bag is activated. If the 45 indicator lamp is illuminated, the front passenger front air bag is deactivated and will not be deployed.
46 Occupant safety
If the 45 indicator lamp is not illuminated, the front passenger front air bag is activated and will be deployed Rin the event of certain frontal impacts Rif the impact exceeds a predetermined
triggering threshold
Rindependent of the side impact air bag or
pelvis air bag
If the front passenger front air bag is deployed, the rate of inflation will be influenced by Rthe rate of vehicle deceleration as assessed
by the air bag control unit
Rthe front passenger's weight category as
identified by the OCS
For further information, see "Air bag display messages" (Y page 241). 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 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 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 45 indicator lamp is illuminated, indicating that the front-passenger front air bag is deactivated. Should the 45
indicator lamp not illuminate or go out while the restraint is installed, please check installation. Periodically check the 45 indicator lamp while driving to make sure that the 45 indicator lamp is illuminated. If the 45
indicator lamp goes out or remains out, do not transport a child on the front-passenger seat until the system has been repaired. A child in a rear-facing child restraint on the front-passenger seat will be seriously injured or even killed if the front-passenger front air bag inflates.RIf you 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 the typical 12-
month-old child, the front-passenger front air bag may or may not be activated.
If the driver's air bag deploys, this does not mean that the front-passenger front air bag also has to deploy. The OCS may have detected that the seat: Rwas empty or occupied by a person with a weight of up to or less than that of a typical 12-month-old child seated in a standard child restraint
Rwas occupied by a small individual, such as
a young teenager or a small adult
Rwas occupied by a child in a child restraint system, whose weight is greater than that of a typical 12-month-old child.
These are examples of when the OCS deactivates the front-passenger front air bag. Deactivation takes place although the collision fulfills the criteria for deploying the driver's air bag.
If the SmartKey has been removed from the ignition lock or is in position 0, indicator lamp 45: does not light up.
Occupant safety
47
G WARNING If the red 6 SRS warning lamp in the instrument cluster and the 45
indicator lamp light up simultaneously, the OCS is malfunctioning. The front passenger front air bag will be deactivated in this case. Have the system checked by qualified technicians as soon as possible. Contact an authorized Mercedes-Benz Center. Only have the seat repaired or replaced at an authorized Mercedes-Benz Center. In order to ensure proper operation of the air bag system and OCS: RSit with the seat belt properly fastened in a position that is as upright as possible with your back against the seat backrest. RWhen seated, a passenger should notposition him/herself in such a way as to cause the passenger's weight to be lifted from the seat cushion as this may result in the OCS being unable to correctly approximate the passenger's weight category.
RRead and observe all warnings in this
chapter.
System self-test The 45 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
If an adult occupant is properly sitting on the passenger seat and the OCS classifies the occupant as an adult, the 45 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 45 indicator lamp will illuminate and not go out.
48 Occupant safety
G WARNING If the 4 5 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 49). 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. 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.
Problems with the occupant classification system
Occupant safety
49
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 Observe the additional display messages in the multifunction
display (Y page 241).
Problem The 45
indicator lamp illuminates and remains illuminated. The person on the front-passenger seat: Rhas the weight of atypical adult
Rhas been determined by the system not to be a child.
G WARNING If the 45 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, do not allow any occupant to use the passenger seat until the system has been repaired.
Problem The 45
indicator lamp does not illuminate and/or does not remain illuminated. The front-passenger seat is: Runoccupied Roccupied with aweight up to or less than a typical 12- month-old child in a standard child restraint system
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 that no objects are applying additional weight onto
the seat.
X If the 45 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 as long as the OCS is not functioning.
X Observe the additional display messages in the multifunction
display (Y page 241).
G WARNING If the 45 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.
50 Occupant safety
PRE-SAFE® (preventative occupant protection) G WARNING The PRE-SAFE® system reduces the impact of an accident on vehicle occupants, as long as their seat belts have been fastened correctly. Although your vehicle is equipped with a PRE- SAFE® system, the possibility of injury in the event of an accident cannot be ruled out. You should therefore always drive carefully and adapt your driving style to the prevailing road, weather and traffic conditions.
PRE-SAFE® takes preemptive measures to protect occupants in certain hazardous situations. PRE-SAFE® intervenes: Rin emergency braking situations, e.g. if BAS is activated or, in vehicles with DISTRONIC PLUS, BAS PLUS intervenes powerfully Rif the radar sensor system detects an imminent danger of collision in certain situations (on vehicles with DISTRONIC PLUS)
Rin critical driving situations, e.g. when
physical limits are exceed and the vehicle understeers or oversteers severely
PRE-SAFE® takes the following measures depending on the hazardous situation detected: Rthe front seat belts are pre-tensioned. Rit adjusts the front-passenger seat if it is in
an unfavorable position.
Rthe air pressure in the side bolsters of the seat cushion and seat backrest of the front active multicontour seats is increased. Rif the vehicle skids, the sliding sunroof/
panorama roof with power tilt/sliding panel and the side windows are closed so that only a small gap remains.
If the hazardous situation passes without resulting in an accident, PRE-SAFE® slackens the belt pretensioning. The air pressure in the side bolsters on the active multicontour seat
is reduced again. All settings made by PRE- SAFE® can then be reversed. If the seat belts are not released: X Move the backrest or seat back slightly, but
only when the vehicle is stationary. The belt pretensioning is reduced and the locking mechanism is released. 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 seat-belt adjustment, a convenience function integrated into PRE-SAFE®, can be found in the "Seat-belt adjustment" section (Y page 54).
NECK-PRO head restraints The NECK-PRO head restraints increase protection to the driver's and front passenger's head and neck. To this end, the NECK-PRO head restraints on the driver's and front-passenger seats are moved forwards and upwards in the event of a rear-end collision of a certain severity. This provides better head support. G WARNING Do not secure any objects (e.g. coat hangers) on the NECK-PRO head restraints. Otherwise, the NECK-PRO head restraints may not function properly, or in the event of a rear-end collision may not be able offer the level of protection they are designed to provide. G WARNING Seat or head restraint covers can cause a malfunction when the NECK-PRO head restraints are activated or when the side impact air bags or pelvis air bags are
deployed, or they can prevent this completely. The NECK-PRO head restraints or side impact air bags/pelvis air bags can therefore not provide the intended protection. Do not use any seat or head restraint covers.
If the NECK-PRO head restraints have been triggered in an accident, reset the NECK-PRO head restraints on the driver’s and front- passenger seat (Y page 51). Otherwise, the additional protection will not be available in the event of another rear-end collision. You can recognize when NECK-PRO head restraints have been triggered by the fact that they have 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.
Resetting triggered NECK-PRO head restraints G WARNING For safety reasons, have the NECK-PRO 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.
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
Occupant safety
51
qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.
Example: Sedan 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.
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.
Seat belts Important 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 when the vehicle is in motion. i For further information on infants and children traveling in the vehicle and on infant and child restraint systems, see "Children in the vehicle" (Y page 56). G WARNING Always fasten your seat belt before driving off. Always make sure all of your passengers are52 Occupant safety
properly restrained. You and your passengers should always wear seat belts. Failure to wear and properly fasten and position your seat belt greatly increases your risk of injuries and their likely severity in an accident. If you are ever in an accident, your injuries can be considerably more severe without your seat belt properly buckled. Without your seat belt buckled, you are much more likely to hit the interior of the vehicle or be ejected from it. You can be seriously injured or killed. In the same crash, the possibility of injury or death is lessened if you are properly wearing your seat belt. The air bags can only protect as intended if the occupants are properly wearing their seat belts. G WARNING Never ride in a moving vehicle with the seat backrest in an excessively reclined position as this can be dangerous. You could slide under the seat belt in a collision. If you slide under it, the seat belt would apply force at the abdomen or neck. That could cause serious or even fatal injuries. The seat backrest and seat belt provide the best restraint when the wearer is in a position that is as upright as possible and the seat belt is properly positioned on the body. G WARNING Never let more people ride in the vehicle than there are seat belts available. Make sure everyone riding in the vehicle is correctly restrained with a separate seat belt. Never use a seat belt for more than one person at a time. G WARNING Damaged seat belts or seat belts that have been subjected to stress in an accident must be replaced 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.
Correct use of the 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 the event 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's side knee bag, front-passenger front air bag, side impact air bags, pelvis air bags, window curtain air bags for the side windows), Emergency Tensioning Devices, seat belt force limiters, and front seat knee bolsters. The system is designed to enhance the protection offered to properly belted occupants in certain frontal (front air bags, driver's side knee bag and ETDs) and side (side impact air bags, window curtain air bags, and ETDs) impacts which exceed preset deployment thresholds and in certain rollovers (window curtain air bags and ETDs).
RNever wear the shoulder belt under your
arm, across 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
person at a time. Do not fasten a seat belt around a person and another person or other objects at the same time.
RSeat belts should not be worn twisted. In a crash, you would not have the full width of the seat belt to distribute impact forces. The twisted seat belt against your body could cause injuries.
RPregnant women should also always use a
lap-shoulder belt. The lap belt portion should be positioned as low as possible on the hips to avoid any possible pressure on the abdomen.
RPlace the seat backrest in a position that is
as upright as possible.
RCheck your seat belt during travel to make
sure it is properly positioned.
RNever place your feet on the instrument panel, dashboard, or on the seat. Always
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53
keep both feet on the floor in front of the seat.
RWhen using a seat belt to secure infant
restraints, toddler restraints, or children in booster seats, always follow the child seat manufacturer's instructions. G WARNING Do not pass seat belts over sharp edges. They could tear. Do not allow the seat belt to get caught in the door or in the seat adjustment mechanism. This could damage the seat belt. Never attempt to make modifications to seat belts. This could impair the effectiveness of the seat belts.
Fastening seat belts 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 seat 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. For additional information, see the "Children in the vehicle" section. A child's risk of serious or fatal injuries is significantly increased if the child restraints are not properly secured in the vehicle and/ or the child is not properly secured in the child restraint.54 Occupant safety
Example: Sedan X Adjust the seat and move the backrest to
an almost vertical position (Y page 98). X Pull the seat belt smoothly through belt
sash guide :.
X Without twisting it, guide the shoulder
section of the seat belt across the middle of your shoulder and the lap section across your hips.
X Engage belt tongue ; in buckle =.
Seat-belt adjustment: if necessary, the driver's and front-passenger seat belts automatically adjust to the upper body (Y page 54).
