2013 Mercedes-benz C Class Coupe Owners Manual

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Tyres Warning lamp ................................. 291 Warning message .......................... 354 Changing a wheel .......................... 356 Checking ........................................ 347 Direction of rotation ...................... 356 Display message (12-button mul- tifunction steering wheel) .............. 271 Display message (4-button multi- function steering wheel) ................ 270 Important safety notes .................. 346 M+S tyres ...................................... 348 MOExtended tyres ......................... 330 Replacing ....................................... 356 Service life ..................................... 348 Storing ........................................... 356 Summer tyres ................................ 348 Tyre size (data) .............................. 361 Tyre tread ...................................... 347 see Flat tyre Unlocking Emergency unlocking ....................... 90 From inside the vehicle (central unlocking button) ............................. 89 Vanity mirror (in sun visor) .............. 300 Variable SPEEDTRONIC see SPEEDTRONIC Vehicle Correct use ...................................... 28 Data acquisition ............................... 28 Electronics ..................................... 370 Emergency locking ........................... 91 Emergency unlocking ....................... 90 Equipment ....................................... 26 Implied warranty .............................. 28 Individual settings .......................... 230 Leaving parked up ......................... 170 Locking (in an emergency) ............... 91 Locking (key) ................................... 83 Lowering ........................................ 360 Pulling away ................................... 152 Raising ........................................... 358 Registration ..................................... 28 Index 23 Securing from rolling away ............ 357 Towing away .................................. 340 Tow-starting ................................... 340 Transporting .................................. 342 Unlocking (in an emergency) ........... 90 Unlocking (key) ................................ 83 Vehicle data ................................... 380 Vehicle data ....................................... 380 Vehicle dimensions ........................... 380 Vehicle emergency locking ................ 91 Vehicle identification number see VIN Vehicle identification plate .............. 372 Vehicle tool kit .................................. 329 Video (DVD) ........................................ 226 Video DVD (12-button multifunc- tion steering wheel) .......................... 226 VIN ...................................................... 372 Warning and indicator lamps ABS ................................................ 282 Brakes ........................................... 282 Distance warning signal ................. 290 ESP® .............................................. 284 ESP® OFF ....................................... 285 Fuel tank ........................................ 288 LIM (cruise control) ........................ 175 LIM (DISTRONIC PLUS) .................. 180 LIM (variable SPEEDTRONIC) ......... 177 PASSENGER AIRBAG OFF ................ 62 Reserve fuel ................................... 288 Seat belt ........................................ 281 SRS ................................................ 287 Tyre pressure monitor ................... 291 Warning triangle ................................ 328 Washer fluid Display message (12-button mul- tifunction steering wheel) .............. 278 Display message (4-button multi- function steering wheel) ................ 275 Wheel bolt tightening torque ........... 360 Wheel chock ...................................... 357 Wheels Changing/replacing ....................... 356 Changing a wheel .......................... 356 Checking ........................................ 347 Z ZONE function Switching on/off ........................... 138 24 Index Cleaning ......................................... 320 Cleaning (warning) ......................... 356 Emergency spare wheel ................. 365 Fitting a new wheel ........................ 359 Fitting a wheel ............................... 357 Important safety notes .................. 346 Removing a wheel .......................... 359 Storing ........................................... 356 Tightening torque ........................... 360 Wheel size/tyre size ...................... 361 Windowbag Display message (12-button mul- tifunction steering wheel) .............. 252 Display message (4-button multi- function steering wheel) ................ 246 Operation ......................................... 54 Cleaning ......................................... 321 see Side windows Windows Windscreen Demisting ...................................... 138 see Windscreen Windscreen washer fluid see Windscreen washer system Windscreen washer system ............. 318 Notes ............................................. 379 Windscreen wipers Problem (malfunction) ................... 132 Replacing the wiper blades ............ 130 Switching on/off ........................... 129 Winter operation Important safety notes .................. 348 Radiator cover ............................... 315 Slippery road surfaces ................... 174 Snow chains .................................. 349 Winter tyres Limiting the speed (on-board com- puter) ............................................. 233 M+S tyres ...................................... 348 Wiper blades Cleaning ......................................... 322 Important safety notes .................. 130 Replacing ....................................... 130 Wooden trim (cleaning instructions) 324 Workshop see Qualified specialist workshop Introduction 25 Protection of the environment General notes H Environmental note Daimler's declared policy is one of compre- hensive environmental protection. Our objectives are to use the natural resour- ces which form the basis of our existence on this planet sparingly and in a manner which takes the requirements of both nature and humanity into consideration. You too can help to protect the environment by operating your vehicle in an environmen- tally-responsible manner. Fuel consumption and the rate of engine, transmission, brake and tyre wear depend on the following factors: Roperating conditions of your vehicle Ryour personal driving style You can influence both factors. Therefore, please bear the following in mind: Operating conditions: Ravoid short trips, as these increase fuel consumption. Robserve the correct tyre pressure. Rdo not carry any unnecessary weight in the vehicle. Rremove the roof rack once you no longer need it. Ra regularly serviced vehicle will contribute to environmental protection. You should therefore adhere to the service intervals. Rall maintenance work should be carried out at a qualified specialist workshop. Personal driving style: Rdo not depress the accelerator pedal when starting the engine. Rdo not warm up the engine when the vehicle is stationary. Rdrive carefully and maintain a safe distance from the vehicle in front. Ravoid frequent, sudden acceleration and braking. Rchange gear in good time and use each gear only up to Ô of its maximum engine speed. Rswitch off the engine in stationary traffic. Rmonitor the vehicle's fuel consumption. Returning an end-of-life vehicle EU countries only: Mercedes-Benz will take back your old vehicle to dispose of it in an environmentally-respon- sible manner in accordance with the Euro- pean Union (EU) End of Life Vehicles Direc- tive. There is a network of return points and dis- assembly plants available. You can return your vehicle to these plants free of charge. This makes a valuable contribution to the recycling process and the conservation of resources. For further information on recycling old vehi- cles, recovery and the terms of the policy, visit the Mercedes-Benz homepage. Genuine Mercedes-Benz parts H Environmental note Daimler AG also supplies reconditioned assemblies and parts which are of the same quality as new parts. For these, the same war- ranty applies as for new parts. ! Airbags and seat belt tensioners, as well as control units and sensors for these restraint systems, may be installed in the following areas of your vehicle: Rdoors Rdoor pillars Rdoor sills Rseats Rdashboard Rinstrument cluster Rcentre console 26 Introduction Do not install accessories such as audio systems in these areas. Do not carry out repairs or welding. You could impair the operating efficiency of the restraint sys- tems. Have accessories retrofitted at a qualified specialist workshop. You could jeopardise the operating safety of your vehicle if you use parts, tyres and wheels as well as accessories relevant to safety which have not been approved by Mercedes. This could lead to malfunctions in safety-rel- evant systems, e.g. the brake system. Use only genuine Mercedes-Benz parts or parts of equal quality. Only use tyres, wheels and accessories that have been specifically approved for your vehicle. Mercedes-Benz tests genuine parts and con- version parts and accessories that have been specifically approved for your vehicle for their reliability, safety and suitability. Despite ongoing market research, Mercedes-Benz is unable to assess other parts. Mercedes-Benz therefore accepts no responsibility for the use of such parts in Mercedes-Benz vehicles, even if they have been officially approved or independently approved by a testing centre. In Germany, certain parts are only officially approved for installation or modification if they comply with legal requirements. This also applies to some other countries. All gen- uine Mercedes-Benz parts meet the approval requirements. The use of non-approved parts may invalidate the vehicle's general operating permit. This is the case: Rif they cause a change of the vehicle type from that for which the vehicle's general operating permit was granted Rif other road users could be endangered Rif the emission or noise levels are adversely affected Always specify the vehicle identification num- ber (VIN) (Y page 372) when ordering genu- ine Mercedes-Benz parts. Owner's Manual Vehicle equipment This Owner's Manual describes all models and all standard and optional equipment available for your vehicle at the time of pub- lication of the Owner's Manual. Country-spe- cific differences are possible. Note that your vehicle may not be fitted with all features described. This is also the case for systems and functions relevant to safety. Therefore, the equipment on your vehicle may differ from that in the descriptions and illustrations. The original purchase contract documenta- tion for your vehicle contains a list of all of the systems in your vehicle. Should you have any questions concerning equipment and operation, please consult a Mercedes-Benz Service Centre. The Owner's Manual and Service Booklet are important documents and should kept in the vehicle. Operating safety Important safety notes G WARNING If you do not have the prescribed service/ maintenance work or necessary repairs car- ried out, this could result in malfunctions or system failures. There is a risk of an accident. Always have the prescribed service/mainte- nance work as well as necessary repairs car- ried out at a qualified specialist workshop. G WARNING If you switch off the ignition while driving, safety-relevant functions are only available with limitations, or not at all. This could affect, for example, the power steering and the brake boosting effect. You will require considerably more effort to steer and brake. There is a risk of an accident. Do not switch off the ignition while driving. Introduction 27 G WARNING Modifications to electronic components, their software as well as wiring could effect their function and/or the operation of other net- worked components. This could in particular also be the case for systems relevant to safety. They might not function properly any more and/or jeopardise the operational safety of the vehicle. There is an increased risk of an accident and injury. Do not attempt to modify the wiring as well as electronic components or their software. Always have work on electrical and electronic components carried out at a qualified special- ist workshop. ! There is a risk of damage to the vehicle if: Rthe vehicle makes contact with the ground, e.g. on a high kerb or a loose road surface Ryou drive too quickly over an obstacle, e.g. a kerb or a pothole Ra heavy object hits the underbody or chassis component In these or similar situations, the vehicle body, the underbody, chassis components, wheels or tyres could be damaged even if this is not visible. Components that have been damaged in this way can unexpect- edly fail or no longer be able to assimilate the loads occurring in the event of an acci- dent. If the underbody panelling is damaged, flammable material, such as leaves, grass or twigs, could collect between the under- body and underbody panelling. These materials could ignite if they remain in con- tact with hot components of the exhaust system for an extended period. Have the vehicle checked and repaired immediately at a qualified specialist work- shop. If you become aware when continu- ing the journey that driving safety has been effected, stop as soon as possible in accordance with the traffic conditions. In such cases, consult a qualified specialist workshop. Declarations of conformity Wireless vehicle components The following information applies to all com- ponents of the vehicle and the information systems and communication devices integra- ted into the vehicle which receive and/or transmit radio waves: The components of this vehicle that receive and/or transmit radio waves are compliant with the basic requirements and all other rel- evant conditions of Directive 1999/5/EC. You can obtain further information from any Mercedes-Benz Service Centre. Electromagnetic compatibility The electromagnetic compatibility of the vehi- cle components has been checked and certi- fied according to the currently valid version of Regulation ECE-R 10. Diagnostics connection The diagnostics connection is only intended for the connection of diagnostic equipment at a qualified specialist workshop. G WARNING If you connect equipment to a diagnostics connection in the vehicle, it can affect the operation of the vehicle systems. This may affect the operating safety of the vehicle. There is a risk of an accident. Do not connect any equipment to a diagnos- tics connection in the vehicle. G WARNING Objects in the driver's footwell may restrict the clearance around the pedals or block a depressed pedal. This jeopardises the oper- ating and road safety of the vehicle. There is a risk of an accident. 28 Introduction Stow all objects securely in the vehicle so that they do not get into the driver's footwell. Always fit the floormats securely and as pre- scribed in order to ensure that there is always sufficient room for the pedals. Do not use loose floormats and do not place several floor- mats on top of one another. ! If the engine is switched off and equip- ment on the diagnostics connection is used, the starter battery may discharge. Connecting equipment to the diagnostics connection can lead to emissions monitoring information being reset, for example. This may lead to the vehicle failing to meet the requirements of the next emissions test dur- ing the main inspection. Qualified specialist workshop A qualified specialist workshop has the nec- essary special skills, tools and qualifications to correctly carry out any necessary work on your vehicle. This particularly applies to work relevant to safety. Observe the notes in the Service Booklet. Always have the following work carried out at a qualified specialist workshop: Rwork relevant to safety Rservice and maintenance work Rrepair work Rmodifications, installations and conver- sions Rwork on electronic components Mercedes-Benz recommends that you use a Mercedes-Benz Service Centre. Vehicle registration Mercedes-Benz may ask its Service Centres to carry out technical inspections on certain vehicles. The quality or safety of the vehicle is improved as a result of the inspection. Mercedes-Benz can only inform you about vehicle checks if it has your registration data. It is possible that your vehicle has not yet been registered in your name in the following cases: Rif your vehicle was not purchased at an authorised specialist dealer. Rif your vehicle has not yet been examined at a Mercedes-Benz Service Centre. It is advisable to register your vehicle with a Mercedes-Benz Service Centre. Inform Mercedes-Benz as soon as possible about any change in address or vehicle own- ership. You can do this at a Mercedes-Benz Service Centre, for example. Correct use If you remove any warning stickers, you or others could fail to recognise certain dangers. Leave warning stickers in position. Observe the following information when driv- ing your vehicle: Rthe safety notes in this manual Rthe technical data in this manual Rtraffic rules and regulations Rlaws and safety standards pertaining to motor vehicles Implied 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 implied warranty or by the New or Used-Vehicle Warranty. Data stored in the vehicle A wide range of electronic components in your vehicle contain data memories. These data memories temporarily or perma- nently store technical information about: Rthe vehicle's operating state Revents Rfaults In general, this technical information docu- ments the state of a component, a module, a system or the surroundings. These include, for example: Roperating conditions of system compo- nents, e.g. fluid levels Rthe vehicle's status messages and those of its individual components, e.g. number of wheel revolutions/speed, deceleration in movement, lateral acceleration, accelera- tor pedal position Rmalfunctions and defects in important sys- tem components, e.g. lights, brakes Rvehicle reactions and operating conditions in special driving situations, e.g. airbag deployment, intervention of stability con- trol systems Rambient conditions, e.g. outside tempera- ture This data is of an exclusively technical nature and can be used to: Rassist in recognising and rectifying faults and defects Ranalyse vehicle functions, e.g. after an acci- dent Roptimise vehicle functions The data cannot be used to trace the vehicle's movements. When your vehicle is serviced, technical infor- mation can be read from the event data mem- ory and fault data memory. Services include, for example: Rrepair services Rservice processes Rwarranties Rquality assurance It is read by employees of the service network (including manufacturers) using special diag- Introduction 29 nostic testers. More detailed information is obtained from it, if required. After a fault has been rectified, the informa- tion is deleted from the fault memory or is continually overwritten. When operating the vehicle, situations are conceivable in which this technical data, in connection with other information (if neces- sary, under consultation with an authorised expert), could be traced to a person. Examples include: Raccident reports Rdamage to the vehicle Rwitness statements Further additional functions that have been contractually agreed upon with the customer allow certain vehicle data to be conveyed by the vehicle as well. The additional functions include, for example, vehicle location in case of an emergency. Copyright information General notes Information on licences for free and open- source software used in your vehicle and its electronic components is available on the fol- lowing website: http://www.mercedes-benz.com/ opensource 30 Cockpit ................................................. 32 Instrument cluster (4-button steer- ing wheel) ............................................ 34 Instrument cluster (12-button steering wheel) ................................... 37 Multifunction steering wheel ............. 40 Centre console .................................... 42 Overhead control panel ...................... 44 Door control panel .............................. 45 31 32 Cockpit Cockpit Function Page Function : Automatic transmission: steering wheel gearshift paddles ; Combination switch = Instrument cluster (4-but- ton steering wheel) Instrument cluster (12-but- ton steering wheel) ? Horn A PARKTRONIC warning dis- play B Overhead control panel C Climate control systems 161 121 34 37 191 44 134 D Ignition lock Start/Stop button E Adjusts the steering wheel manually F Adjusts the steering wheel electrically G Cruise control lever H Parking brake I Diagnostics connection J Opens the bonnet K Releases the parking brake L Light switch Page 149 149 110 110 175 170 27 315 170 118 Cockpit 33 Function : Overhead control panel ; PARKTRONIC warning dis- play = Combination switch ? Instrument cluster (4-but- ton steering wheel) Instrument cluster (12-but- ton steering wheel) A Horn B Automatic transmission: steering wheel gearshift paddles C Light switch Page 44 191 121 34 37 161 118 Function D Releases the parking brake E Opens the bonnet F Diagnostics connection G Ignition lock Start/Stop button H Adjusts the steering wheel manually I Adjusts the steering wheel electrically J Cruise control lever K Parking brake L Climate control systems Page 170 315 27 149 149 110 110 175 170 134 34 Instrument cluster (4-button steering wheel) Instrument cluster (4-button steering wheel) Displays and controls Function B Multifunction display C Time Automatic transmission: Outside temperature (vehi- cles for the United King- dom: speed in km/h) HOLD function Stored limit speed D Instrument cluster lighting Page 217 219 217 188 177 216 i Instrument cluster: kilometres Function : Fuel gauge ; Coolant temperature = Speedometer ? Rev counter A ECO start/stop function Automatic transmission: Transmission position and drive program Manual transmission: Gearshift recommendation Outside temperature HOLD function Stored limit speed Page 216 217 153 159 158 217 188 177 Instrument cluster (4-button steering wheel) 35 Function B Multifunction display C Time Automatic transmission: Outside temperature (vehi- cles for the United King- dom: speed in km/h) HOLD function Stored limit speed D Instrument cluster lighting Page 217 219 217 188 177 216 i Instrument cluster: miles Function : Fuel gauge ; Coolant temperature = Speedometer ? Rev counter A ECO start/stop function Automatic transmission: Transmission position and drive program Manual transmission: Gearshift recommendation Outside temperature HOLD function Stored limit speed Page 216 217 153 158 217 188 177 36 Instrument cluster (4-button steering wheel) Warning and indicator lamps Function : 8 Reserve fuel ; ? Coolant = ! ABS ? J Brakes A ü Seat belt B #! Turn signals C 6 SRS D ; Engine diagnostics E N Front foglamps Page 288 288 282 282 281 121 287 288 120 Function F ÷ ESP® G R Rear foglamp H T Side lamps I L Dipped-beam head- lamps J K Main-beam headlamp K % Diesel engine: pre- glow Page 284 120 120 119 121 151 Instrument cluster (12-button steering wheel) 37 Instrument cluster (12-button steering wheel) Displays and controls i Instrument cluster: kilometres Function : Fuel gauge ; Coolant temperature = Speedometer with seg- ments Page 219 220 Function ? Multifunction display A Rev counter B Instrument cluster lighting Page 221 219 219 38 Instrument cluster (12-button steering wheel) i Instrument cluster: miles Function : Fuel gauge ; Coolant temperature = Speedometer with seg- ments Page 219 220 Function ? Multifunction display A Rev counter B Instrument cluster lighting Page 221 219 219 Instrument cluster (12-button steering wheel) 39 Warning and indicator lamps Function : ÷ ESP® M SPORT handling mode in AMG vehicles ; · Distance warning = å ESP® OFF ? J Brakes A #! Turn signals B ! ABS C 6 SRS D ; Engine diagnostics E h Tyre pressure monitor F ü Seat belt Page 284 285 290 284 282 121 282 287 288 291 281 Function Page G % Diesel engine: pre- glow ÷ ESP® in AMG vehicles H ? Coolant I K Main-beam head- lamps J L Dipped-beam head- lamps K T Side lamps L R Rear foglamp M N Front foglamps N 8 Reserve fuel 151 285 288 121 119 120 120 120 288 40 Multifunction steering wheel Multifunction steering wheel 4-button multifunction steering wheel Function B V Page Press briefly: Selects a menu Press and hold: Selects the standard dis- play Function : Multifunction display ; Audio display; see the sep- arate operating instruc- tions Page 217 = W Increases the volume ? X Decreases the volume A C Scrolls through lists Resets values Hides display messages Multifunction steering wheel 41 12-button multifunction steering wheel Page 221 Function A =; Selects a menu 9: Selects a submenu or scrolls through lists Confirms the selection Hides display messages 226 B % Back Switches off LINGUA- TRONIC; see the separate operating instructions Page 220 220 220 240 220 Function : Multifunction display ; Audio/COMAND display; see the separate operating instructions = ? Switches on LINGUA- TRONIC; see the separate operating instructions ? ~ Rejects or ends a call Exits telephone book/ redial memory Makes or accepts a call Switches to the redial mem- ory WX Adjusts the volume Mute 42 Centre console Centre console Centre console, upper section Function Page Function : Audio system/COMAND Online; see the separate operating instructions ; c Seat heating = s Seat ventilation ? c PARKTRONIC A ¤ ECO start/stop but- ton 108 110 191 153 B £ Hazard warning lamps C 4 PASSENGER AIRBAG OFF indicator lamp D M Dynamic driving package with sports mode å AMG vehicles: ESP® E & Auxiliary heating Page 121 62 187 75 141 Centre console, lower section Centre console 43 Function F Stowage compartment Ashtray Cigarette lighter Power socket G Gear lever Selector lever H Stowage compartment Cup holders Page 294 300 301 302 157 159 294 299 Function I Stowage compartment J Audio/COMAND control- ler; see the separate oper- ating instructions Page 294 K Ú Selects the drive pro- gram 160 44 Overhead control panel Overhead control panel Function : u Switches the rear interior lighting on/off ; | Switches the auto- matic interior lighting con- trol on/off = p Switches the right- hand reading lamp on/off ? ë Deactivates tow- away protection A 3 Opens/closes the panorama sliding sunroof with roller sunblinds Page 125 125 125 79 99 Function B Rear-view mirror C ê Deactivates the inte- rior motion sensor D p Switches the left- hand reading lamp on/off E c Switches the front interior lighting on/off Page 112 80 125 125 Door control panel Door control panel 45 Function : Opens the door ; %& Unlocks/locks the vehicle = Adjusts the seats electri- cally ? r45= Stores settings for the seat, exterior mirrors and steer- ing wheel Page 89 89 106 115 Function Page A 7Zö\ Adjusts and folds the exte- rior mirrors in/out electri- cally B W Opens/closes the side windows C o Opens the boot lid 112 95 93 46 Useful information .............................. 48 Panic alarm .......................................... 48 Occupant safety .................................. 48 Children in the vehicle ........................ 59 Driving safety systems ....................... 70 Anti-theft systems .............................. 78 47 48 Occupant safety Useful information i This Owner's Manual describes all mod- els, series and optional equipment for your vehicle that were available at the time of going to press. National variations are pos- sible. Note that your vehicle may not be equipped with all of the functions descri- bed. This is also the case for systems and functions relevant to safety. i Read the information on qualified special- ist workshops: (Y page 28). Panic alarm X To activate: press ! button : for at least one second. An alarm sounds and the exterior lighting flashes. X To deactivate: press ! button : again. or X Insert the key into the ignition lock. or X Press the KEYLESS-GO Start/Stop button. The KEYLESS-GO key must be in the vehi- cle. i The panic alarm function is only available in certain countries. Occupant safety Important safety notes G WARNING Modifications to the restraint systems could result in them not functioning properly any more. The restraint systems could then no longer protect vehicle occupants as they are designed to do and could fail in the event of an accident or activate unexpectedly, for example. There is an increased risk of injury. Never modify parts of the restraint systems. Do not attempt to modify the wiring as well as electronic components or their software. The airbag system can be adapted for a per- son with disabilities. For further information, consult a Mercedes-Benz Service Centre. The seat belts, together with SRS (Supple- mental Restraint System), are complemen- tary, co-ordinated restraint systems (Y page 49). They reduce the risk of injury in specific, pre-defined types of accident sit- uations and thereby increase occupant safety. However, seat belts and airbags gen- erally do not protect against objects pene- trating the vehicle from the outside. To ensure that the restraint systems can deliver their full potential protection, make sure that: Rthe seat and head restraint are adjusted properly (Y page 104) Rthe seat belt has been fastened properly (Y page 57) Rthe airbags can inflate unrestricted if deployed (Y page 50) Rthe steering wheel is adjusted properly Rthe restraint systems have not been modi- (Y page 104) fied i An airbag increases the protection of vehicle occupants wearing a seat belt. However, airbags are only an additional restraint system that complements, but does not replace, the seat belt. All vehicle occupants must wear their seat belt cor- rectly at all times, even if the vehicle is equipped with airbags. The airbags are not deployed in all types of accidents. For example, if the protective capacity of cor- rectly fastened seat belts is not increased by deploying the airbags, the airbags will not deploy. Airbag deployment only pro- vides increased protection if the seat belt is worn correctly because: Rthe seat belt helps to keep the vehicle occupant in the best position in relation to the airbag. Rin a head-on collision, for example, the seat belt prevents the vehicle occupant from being propelled towards the point of impact. It can thus reduce the risk of injury. In accidents in which an airbag is deployed, it provides increased protection only if the seat belt is worn correctly. SRS (Supplemental Restraint System) Introduction SRS consists of: Rthe 6 SRS warning lamp Rairbags Rairbag control unit (with crash sensors) Rbelt tensioners 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 forces to which occupants are subjected dur- ing an accident. SRS warning lamp G WARNING If SRS is malfunctioning, child restraint sys- tem components may be triggered uninten- tionally or might not be triggered at all in the event of an accident with a high rate of vehicle Occupant safety 49 deceleration. There is an increased risk of injury, possibly even fatal. Have SRS checked and repaired immediately at a qualified specialist workshop. 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 read- iness when the 6 SRS warning lamp goes out while the engine is running. A malfunction has occurred if: Rthe 6 SRS warning lamp does not light up when the ignition is switched on Rthe engine is running and the 6 SRS warning lamp does not go out after a few seconds Rthe engine is running and the 6 SRS warning lamp lights up again Triggering of belt tensioners and air- bags During the first stage of a collision, the airbag control unit evaluates important physical data relating to vehicle deceleration or accel- eration, such as: Rduration Rdirection Rmagnitude Based on the evaluation of this data, the air- bag control unit pre-emptively triggers the belt tensioners in the first stage. i The front belt tensioners can only be trig- gered if the seat belt tongues on the front seats are correctly engaged in the seat belt buckles. If there is an even higher rate of vehicle decel- eration or acceleration in a longitudinal direc- tion, the front airbags are also deployed. 50 Occupant safety Your vehicle has adaptive, two-stage front air- bags. The airbag control unit evaluates vehi- cle deceleration or acceleration in the event of a collision. In the first deployment stage, the front airbag is filled with enough propel- lant gas to reduce the risk of injuries. The front airbag is fully deployed if a second deployment threshold is exceeded within a few milliseconds. The belt tensioner and airbag triggering thresholds are variable and are adapted to the rate of deceleration or acceleration of the vehicle. This process is pre-emptive in nature. The triggering process must take place in good time at the start of the collision. i Airbags are not deployed in all types of accidents. Also, not all airbags are deployed together in an accident. The dif- ferent airbag systems work independently of each other. How the airbag system works is deter- mined by the severity of the collision detec- ted, especially the vehicle deceleration or acceleration, and the apparent type of acci- dent: Rhead-on collision Rside impact Rrear impact The rate of vehicle deceleration or accelera- tion and the direction of the force are essen- tially determined by: Rthe distribution of forces during the colli- sion Rthe collision angle Rthe deformation characteristics of the vehi- cle Rthe characteristics of the object with which the vehicle has collided Factors which can only be seen and measured after a collision has occurred do not play a decisive role in the deployment of an airbag, nor do they provide an indication of airbag deployment. The vehicle may be deformed significantly, e.g. the bonnet or the wing, without an airbag being deployed. This is the case if only parts which are relatively easily deformed are affec- ted and the rate of deceleration is not high. Conversely, airbags may be deployed even though the vehicle suffers only minor defor- mation. This is the case if, for example, very rigid vehicle parts such as longitudinal body members are hit, and sufficient deceleration occurs as a result. Airbags Important safety notes G WARNING Airbags provide additional protection; they are not, however, a substitute for seat belts. Observe the following notes to reduce the risk of serious or even fatal injury caused by airbag deployment: Rall vehicle occupants – in particular, preg- nant women – must wear their seat belt correctly at all times and lean back against the backrest, which should be positioned as close to the vertical as possible. The head restraint must support the back of the head at about eye level. Ralways secure children less than 1.50 m tall or under 12 years of age in suit- able child restraint systems. Rall vehicle occupants must select a seat position that is as far away from the airbag as possible. The driver's seat position must allow the vehicle to be driven safely. The driver's chest should be as far away from the centre of the driver's airbag cover as possible. Rmove the front-passenger seat as far back as possible. This is especially important if you have secured a child in a child restraint system on the front-passenger seat. Rvehicle occupants – in particular, children – must not lean their head into the area of the window in which the sidebag/window- bag is deployed. Rrearward-facing child restraint systems must not be fitted to the front-passenger seat unless the front-passenger airbag has been disabled. On the front-passenger seat, the front-passenger airbag is disabled if a child restraint system with a trans- ponder for automatic child seat recognition is fitted to the front-passenger seat in a vehicle equipped with automatic child seat recognition. The 4 PASSENGER AIRBAG OFF indicator lamp must be continuously lit. If the front-passenger seat of your vehicle does not have automatic child seat recog- nition, or your rearward-facing child restraint system does not have a trans- ponder for automatic child seat recogni- tion, children must be secured in a child restraint system on a suitable seat in the rear. If you secure a forward-facing child restraint system to the front-passenger seat, you must move the front-passenger seat as far back as possible. Rmake sure there are no heavy or sharp- edged objects in the pockets of clothing. Rdo not lean forwards, e.g. over the cover of the driver's/front-passenger front airbag, particularly when the vehicle is in motion. Rdo not put your feet on the dashboard. Ronly hold the steering wheel on the outside. This allows the airbag to be fully deployed. You could be injured if the airbag is deployed and you are holding the inside of the steering wheel. Rdo not lean on the doors from inside the vehicle. Rmake sure that there are no people, ani- mals or objects between the vehicle occu- pants and the area where the airbags are deployed. Rdo not place any objects between the seat backrest and the door. Occupant safety 51 Rdo not hang any hard objects, e.g. coat hangers, on the grab handles or coat hooks. Rdo not attach accessories, e.g. cup holders, to the doors. It is not possible to rule out a risk of injury being caused by an airbag, due to the high speed at which the airbag must be deployed. Airbag deployment slows down and restricts the movement of the vehicle occupant. If the airbags are deployed, you will hear a bang and a small amount of powder may also be released. Only in rare cases will the bang affect your hearing. The powder that is released generally does not constitute a health hazard. The 6 SRS warning lamp lights up. The airbag installation locations are identified by the AIRBAG symbol. G WARNING If you modify the airbag covers or affix objects, e.g. stickers to them, the airbags may no longer function as intended. There is an increased risk of injury. Never modify the airbag covers and do not affix any objects to them. G WARNING Unsuitable seat covers may obstruct or even prevent deployment of the airbags integrated into the seats. The airbags may then fail to protect the vehicle occupants as intended. Operation of the automatic child seat recog- nition may also be impaired. There is an increased risk of injury, possibly even fatal. Use only seat covers which have been specif- ically approved for the respective seat by Mercedes-Benz. G WARNING After the driver's airbag has been deployed, the airbag parts are hot. There is a risk of injury. 52 Occupant safety Do not touch the airbag parts. Have deployed airbags replaced immediately at a qualified specialist workshop. The airbag installation locations are identified by the AIRBAG symbol. i After an airbag has been deployed, have the vehicle towed to the nearest qualified specialist workshop, even if your vehicle can still be driven. Front airbags The front airbags increase protection for the driver's and front-passenger's head and chest. Driver's airbag : deploys in front of the steering wheel; front-passenger front air- bag ; deploys in front of and above the glove compartment. They are deployed: Rat the start of an accident with a high rate of vehicle acceleration or deceleration in a longitudinal direction. Rif the system determines that airbag deployment can offer additional protection to that provided by the seat belt. Rindependently of other airbags in the vehi- cle. The release time of the front airbags is dependant upon the use of the seat belt. Vehicles with automatic child seat recog- nition in the front-passenger seat: the front-passenger front airbag is only activated if the system determines that the front- passenger seat is occupied. The PASSENGER AIRBAG OFF indicator lamp on the centre console does not light up (Y page 62). If a child restraint system is fitted to the front- passenger seat and the PASSENGER AIRBAG OFF indicator lamp on the centre console is not on: Ra child restraint system without a trans- ponder for automatic child seat recognition has been fitted or Ra child restraint system with a transponder has been fitted incorrectly ! Do not place heavy objects on the front- passenger seat. This could cause the sys- tem to identify the seat as being occupied. In the event of an accident, the restraint systems on the front-passenger side may be triggered and have to be replaced. Driver's kneebag i The driver's kneebag is only available in certain countries. The driver's kneebag increases protection of the driver against: Rknee injuries Rthigh injuries Rlower leg injuries Driver's kneebag : is always deployed along with the driver's airbag and inflates under- neath the steering column. Sidebags G WARNING Unsuitable seat covers may obstruct or even prevent deployment of the airbags integrated into the seats. The airbags may then fail to protect the vehicle occupants as intended. Operation of the automatic child seat recog- nition may also be impaired. There is an increased risk of injury, possibly even fatal. Use only seat covers which have been specif- ically approved for the respective seat by Mercedes-Benz. G WARNING Sensors to control the airbags are located in the doors. Modifications or work not per- formed correctly to the doors or door panel- ling, as well as damaged doors, can lead to the function of the sensors being impaired. The airbags might therefore not function properly any more. Consequently, the airbags cannot protect vehicle occupants as they are designed to do. This poses an increased risk of injury. Never modify the doors or parts of the doors. Always have work on the doors or door pan- elling carried out at a qualified specialist workshop. You should only use seat cover that have been approved for your vehicle by Mercedes-Benz. The seat covers must have a special tear seam for sidebags. Otherwise, the sidebags cannot deploy correctly and therefore cannot provide the intended protection in the event of an accident. When deployed, the sidebags offer additional protection for the thorax of the vehicle occu- pants on the side of the vehicle on which the impact occurs. However, they do not protect the: Rhead Rneck Rarms Occupant safety 53 Front sidebags : and rear sidebags ; deploy next to the outer seat cushions. The sidebags 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 accelera- tion, e.g. in a side impact Rindependently of the use of the seat belt Rindependently of the front airbags Rindependently of the belt tensioners Pelvisbags i Pelvisbags are only available in certain countries. G WARNING If you wish to use seat covers, Mercedes-Benz recommends that, for safety reasons, you only use seat covers that have been approved for Mercedes-Benz vehicles. The seat covers must have a special tear seam for sidebags/pelvisbags. Otherwise, the side- bag/pelvisbag cannot deploy correctly and would fail to provide the intended protection in the event of an accident. Appropriate seat covers can be obtained, for example, from a Mercedes-Benz Service Centre. Pelvisbag deployment enhances the level of protection of the vehicle occupants on the side of the vehicle on which the impact occurs. 54 Occupant safety Pelvisbags : 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 accelera- tion, e.g. in a side impact Rindependently of the use of the seat belt Rindependently of the front airbags Rindependently of the belt tensioners Windowbags The windowbags enhance the level of protec- tion for the head (but not chest or arms), of the vehicle occupants on the side of the vehi- cle on which the impact occurs. The windowbags are integrated into the side of the roof frame and deploy in the area extending from the front door (A-pillar) to the rear sidewall (C-pillar). Windowbags : 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 accelera- tion, e.g. in a side impact Rregardless of whether the front-passenger seat is occupied Rindependently of the use of the seat belt Rindependently of the front airbags PRE-SAFE® (anticipatory occupant protection) PRE-SAFE® takes pre-emptive measures to protect occupants in certain hazardous sit- uations. PRE-SAFE® intervenes: Rwhen BAS PLUS intervenes powerfully on vehicles with DISTRONIC PLUS Rif, on vehicles with DISTRONIC PLUS, the radar sensor system detects an imminent danger of collision in certain situations Rin critical driving situations, e.g. when phys- ical limits are exceeded and the vehicle understeers or oversteers severely PRE-SAFE® takes the following measures depending on the hazardous situation detec- ted: Rthe front seat belts are pre-tensioned. Rvehicles with the memory function: the front-passenger seat is adjusted if it is in an unfavourable position. Rif the vehicle skids, the panorama sliding sunroof 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. 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. Seat belt pretensioning is reduced and the locking mechanism is released. G WARNING When adjusting the seat, make sure that nobody can become trapped. ! Make sure that there are no objects in the footwell or behind the seats when moving the seat back. 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 adjust- ment" section (Y page 57). NECK-PRO head restraints The NECK-PRO head restraints increase pro- tection 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 Only use head restraint covers which have been tested and approved by Mercedes-Benz for your vehicle model. The use of non-approved head restraint cov- ers may prevent NECK-PRO head restraints from triggering properly. Consequently, the NECK-PRO head restraints cannot provide the intended level of protection. Consult a Mercedes-Benz Service Centre regarding availability. The NECK-PRO head restraints reduce the likelihood of head and chest injuries. 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 colli- Occupant safety 55 sion of a certain severity. This provides better head support. 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 55). Otherwise, the additional protection will not be available in the event of another rear-end collision. You can recognise when NECK-PRO head restraints have been triggered by the fact that they have moved forwards and can no longer be adjusted. Resetting a triggered NECK-PRO head restraint/NECK-PRO luxury head restraint i Resetting the NECK-PRO head restraints requires a lot of strength. If you have diffi- culty resetting the NECK-PRO head restraints, have this work carried out at a qualified specialist workshop. 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. 56 Occupant safety Seat belts Important safety notes Seat belts are the most effective means of restraining the movement of vehicle occu- pants in the event of an accident. This reduces the risk of vehicle occupants coming into contact with parts of the vehicle interior. G WARNING A seat belt which is not worn correctly, or which has not been engaged in the seat belt buckle correctly, cannot provide the intended level of protection. Under certain circumstan-

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2013 Mercedes-benz C Class Coupe Owners Manual