No. 10 -2008 sales organisation for the Mercedes Benz Product information

compact Mercedes-Benz 4MATIC – the harmonious efficiencyofall-wheel drive harmonious the tailed, interesting information on this subject in ADVANTAGES IC. ADVANTAGES The competition's systems have an equally high level but do not achieve the balanced nature of the 4MAT The new CL5004MATIC felt." away, especially on ice and snow. That leads to predictable driving behaviour. This makes the model with 4MATIC even faster when driving clutch and 50 Nm locking torque between axlesthe improves traction stability even anddriving further. "locking" functions.Thenew 4MATIC S,CL,CandGLK-Classes generation ofthe inthe with two-disc cyclic gearbox power distributes the dynamically of45:55%(f:r).ESP inaratio 4MATIC Adoubleepi any all-wheeldrive, the differential. alsoworks acentral As with permanent with 4MATIC: balanced power surprises without distribution lieve that snow is nothing more than white-coloured asphalt." seemstoThe press beimpressed: 4MATIC G-Class). all-wheeldrive ofthe M, GLandthe edition ofADVANTAGES IC is therefore onlythe luxury coupé with all-wheel drive apart from Bentleythe Continental GT. (A later ADVANTAGES to also (refer C CL, S, the in ments improve technical additional with and differential central open an with E-Class the in versions: ent models,4MATIC Mercedes-Benz popular inallvehicle classes.Inthe isavailable intwobecome differ to systems drive all-wheel helping are use winter to well-suited and safety, dynamics driving Extra ( Spiegel Online compact /D, 13.12.07). advantages: Other compact shows you the competitors' systems and how they work. You can find more de will inform you about the 4MATIC in the off-road models of the GLK, modelsofthe you 4MATIC off-road willinform aboutthe inthe "The C-Class drives away fast, isto nofish-tailing be no slithering, > > > Lower weight (approx. competitors' the 30%lighter trans than haviour atalltimes(allmodels). ispredictable characteristics always are be driving clearandpredictable, isideally distribution matchedThe torque vehicle, to the the senger's foot space.(S,CL,CandGLK-Classes). pas front Extremely doesnot compact the restrict shapethat competitors. belowofthe already that followingon the E-Classconsumption pages show the is that S,CL,CandGLK-Classes. to the particular Thecomparisons additionalconsumptionings reduces further. Thisappliesin wheelsandbear optimisation onthe missions) andfriction "... works sowell that atthe endof a winter's day you could be compact

Stern 18/07) and GLK-Classes. The CL 500 4MATThe GLK-Classes. 18/07) and compact /D, 19.12.07 16/06. ® and4ETS ® take on ------No. 10 -2008 sales organisation for the Mercedes Benz Product information

compact BMW 3 Series with xDrive with BMW 3Series A4Avant quattro rear . with the A6 and A8, on the other hand, up to 85% of the torque is distributed to the opposite isdistributed to torque the hand,upto other 85%ofthe A6andA8,onthe the axle.with rear and front of40:60%to inaratio gear the set torque anadditionalplanetary distributesbecause here the ofupto 85:15%tributions infavour axleand65:35%infavour rear possible, ofthe axleare front ofthe Audi power acontinuously inlocking increase Inthe A4andA5quattro, variable with effect. dis independently responds additional wormto between gears. Thedifferential each difference torque the power a Torsen SENsing) controls the and includes quattro, (comes TORque from flow In the differential issensitive that to torque adifferential Audi with quattro: PassatVW clutch andtransversely mounted enginesisnot 4MATIC comparable with because: Haldex Touareg clutch Haldex all-wheeldrive inthe asto with permanent models.4MOTION real Volkswagen 4MOTION, like Audi isacollective -itrefers asmuch quattro, term a to all-wheeldrive with front-wheeldrive aidfor the VW 4MOTION: start-off biasing"). axle(so-called"torque rear drive wheelsonthe drive system. steering andbendbehaviour DPCsupports by active between distribution torque the BMW DPC(DynamicPower all-wheel ofthe BMWX6,isnot which Control), part inthe isintroduced will beavailable xDrive asanoption. xDrive isalsoavailable with BMWs. for 5and3Series isonly available 7Series rear-wheel successor 4MATIC current drive. Incontrast, with the with asthe S-Class ofthe noBMWequivalent iscurrently BMWiscalledxDrive.The all-wheeldriveThere from brains BMW xDrive:multi-disccouplingwith axle ineach caseasitsbasicpower gear set aplanetary is50:50%. without distribution > > > > > > > > of this ADVANTAGEScompact.of this overview all-wheeldrive systems"ble "Abrief ofthe onpage 3 Consumption disadvantage: ta last refer to columnofthe the (f:r90:10%, inparticular quattro seebelow). Haldex system positionedAudi doesnot sporty matchTT the ent company VW. drive The front-wheel characteristic ofthe are equipped with the all-wheel drive system from group par Audi:Special feature with TheAudi models A3andTTquattro such oryawing asacceleration moment. dynamicsdata including driving to without predict difficult under/oversteerferential determines the which issometimes retained: steering effects and the tendency to understeer. front,to the the typical disadvantages of front-wheel drive are Haldex powerAs the clutch distributes normally 90%ofthe mission. drivetouses front-wheel inorder avoid trans twisting inthe VWonly available the wheels. When manoeuvring, rear to the only Asamatterpropulsion. 10% ofprinciple, force is ofthe involves axleandthen front axleupto rear 50%inthe the amulti-discclutch 4MOTION With to responds sliponthe ADVANTAGEScompact.of this overview all-wheeldrive systems"ble "Abrief ofthe onpage 3 Consumption disadvantage: ta last refer to columnofthe the toand synthetic many drivers. BMW xDrive appearunfamiliar The proactive ofthe reactions the rear – continuously from 0:100% to 50:50% (front:rear). issplit that torque axlereceivesfront ofthe afraction off from gearbox.tributor couplingisnot completely Ifthe closed,the axleasneededviaadis front to torque the clutch splitsoff From the rear-wheel actuated drive, anelectrically From the multiplate The purely mechanical power Torsen ofthe distribution dif ------2 No. 10 -2008 sales organisation for the Mercedes Benz Product information

compact A brief overview all-wheeldrivesystemsA brief ofthe Estate and4MATIC Unadulterated funwiththeC-Class driving tion. The colours mean: tion. Thecolours competitorsand the E3504MATIC top posi Audi the andBMW530xibrought the A63.2FSIquattro byA comparison The 4MATIC incomparison The new 4MATIC fun,safety driving more andefficiency. version alsooffers For example, the above table inthe The results show clearly how impressively 4MATIC tests. comparison the winsthe Conclusions: Thetest winnerhasgot even better 0–20 km/h 20% gradient,µ-aggregate Uphill gradient acceleration Starting 65 m Wet circular course, ø Handling track Exit speed speed Entrance VDA "elktest" ing test ISO doublelane-chang Slalom 18 m empty/laden km/h testsDriving 0-30 km/h distribution 40:60% (using planetary gear set) 40:60%(usingplanetary distribution Variable power rear-accented distribution, basic Audi quattro Permanent all-wheeldrive tion: 50:50% (using planetary gear settion: 50:50%(usingplanetary Variable basicdistribu neutral distribution, torque Audi quattro Active control coupling,electronic Volkswagen 4MOTION Passive control coupling,electronic BMW xDrive Automatically engaging transmission gear set) 45:55%(usingplanetary tribution: Fixed rear-accented distribution, torque basicdis Mercedes-Benz 4MATIC (A6andA8) (A4andA5)

, Auto Motor undSport - A6 3.2FSI 123,8/123,4 59,3/58,1 quattro 52/50 71/71 ) 58,8 65,4 4,3 2,0 vantages of4MATIC SUVsegment. inthe The next ADVANTAGES provides safety butthe driver doesnot have aboutit." to worry testing S-Class: the The German even tightbendswithoutround wakening the ESP" awinterIC after test: sche Zeitung (D,No. 22/06)ofanE3504MATIC, HondaLegend SH-AWD - - Traction 127,7/124,1 Tagesspiegel ++ 62,2/60,2 + + + + (D,18.12.07) 4MAT C-Classwith aboutthe writes 530xi 55/54 69/69 59,2 65,3 3,8 2,2 "No losses;the handlingorcomfort technology Handling "with careful accelerator control, you can Best value ++ compact + + + + on19.01.08 putitinanutshellafter Legend 3.5V6 Dynamics 124,9/123,8 in this series presents the ad the presents series inthis SH-AWD 59,9/58,7 ++ ++ + + – 48/48 70/69 64,4 57,7 4,2 2,0 Safety ++ + + + + Worst value . • • • 128,6/124,5 Additional con 4MATIC 59,5/58,9 E 280: +0.3 l BMW 525xi vs. S 350:+0.4l A8 3.2FSIvs. E 280:+0.4l A6 2.8FSIvs. E 350 60/58 72/72 sumption 59,1 67,8 3,3 1,7 Süddeut

- - - - 3

-

No. 14 -2008 sales organisation for the Mercedes Benz Product information

compact Traction, andsafety: comfort Mercedes-Benz SUVs and off-road models Mercedes-Benz SUVsandoff-road 4MATIC hasadecisive inthis share package The of design,agilityandcomfort. The GLK-Class animpressive offers overall competition: the SUVs from compact the over advantages provide details design innovative other and gearbox and engine of tion installa lengthways The development. Mercedes-Benz purely a 4MATIC, to thanks off-roadcapability competitors, GLK-Class allthe Compared and the comfort with sets dynamics, ride standards indriving The GLK-Class –new compact standards SUVsegment in the new GLK-Class, not least dueto itsown, segment. independentall-wheeldrive inthis takes key alookatthe competitors. its compact sets Mercedes-Benz standards SUVclasswith inthe ADVANTAGES safety. vehicles with powerful traction appreciate combinationthe of superior traction anduncompromising howeverpability are all-wheeldrives. Customers Mercedes-Benz only ofthe not strengths the who need ca dynamicsandgoodoff-road Comfort, standard –are off-roaders. assertiveness inallMercedes-Benz all-wheeldrive andconverterPermanent dynamicsand idealcombinationfor driving automatics –the vehicle. off-road andrustic luxury of combination unique the - G-Class the to up off-roaders GL-Class and M luxury the the via SUV compact GLK-Class new the from vehicles: off-road-capable of choice ble acompara SUVsegment.No manufactureroffers premium hasaleadingpositioninthe Mercedes-Benz compact presents the three different all-wheeldrive systems different and Mercedes-Benz from three the presents > > > > > > > > weight drive train. of the Low consumption andlow dueespecially to highefficiency is not possible. Clutch wearwhen off-road. ordamage asinmanualgearboxes whenpullingaway benefits brings and torque atrailer with Converter automatic asstandard: upto 3-fold in increase matic (7G-TRONIC) and all-wheeldrive. 7-speedconverterThe only vehiclesegmentwith auto inthe passenger. front the of space foot in sacrifices no gearbox: the into integrated are epicyclicDistributor andmulti-discclutch gearing, differential behaviourThe driving is always predictable. very road. axlesimprovesrear the onandoff traction the 50Nmlocking clutch between torque Twin-disc with and front agility,ports stability atalltimes. andlongitudinaltraction sup of45%front/55%rear distribution torque Asymmetric action timeofsystems have that to beengaged. Permanent all-wheeldrive –alwaysPermanent re active the andwithout ------No. 14 -2008 sales organisation for the Mercedes Benz Product information

compact The only compact SUV with permanent all-wheel drive is the Audi isavailable all-wheeldrive isthe Q5that The only inGermany permanent compact SUVwith drive Audi only competitor all-wheel Q5:the permanent GLKwith to the technology with the Haldextechnology the clutch ... with ... Volvo XC60 sameall-wheeldrive the share is makingadvances: Land Rover Freelander The system Swedish the supplier, from Haldex, der pressure" simulatethose inthe cancertainly Tiguan, a...four-wheel drive, butcannot react quickly enoughwhenun supplier, axleto Haldex, rear connectsthe the front drive train only if required. wheels.Anactive, front drive electronically usingthe Swedish multi-discclutch controlled the from transversely installed axlebecauseoftheir rear engines.Thisiswhytion to the nearly they always Land Rover Freelander, Volvo XC60 andVolkswagen redirec an(uneconomical)torque require Tiguan Haldex everywhere: Land Rover Freelander, Volvo XC60 and VW Tiguan driving dynamics In theBMWX3,drive issubordinate to the system. all-wheeldrive andsonecessitates the actionfrom braking terrain light over traction the limits already that springing stiff very the by matched is This mind. in especially dynamics driving high hadthe ers acontinuousadjustment 0%front/100% from with Thedevelop to rear asrequired. rear 50%front/50% wheelsisonly front drive to engaged actuated the viaanelectrically all- multi-discclutchwheel drive: the a permanent without does but train, drive built-in lengthways a has also certainly X3 BMW The BMW X3:anall-wheeldrivefor highagility. new Audi inthe tween andrear front Q5 the A Torsen be torque distributes the differential ( Off Road/D Off , 02/08). - distribution using a self-regulating Torsen differential: 4MATIC Audi to the the ishowever A4.Thedifference torque the well Thedriveisalready rear). 40%front/60% (here: known from ways distribution torque built-indrive unitandasymmetric Novemberfrom 2008.Like GLK-Class, the length italsohasthe > > > > > clutch suppliedby Haldex ... whileVWusesa similarsystem -alsowith > > Only 10 The xDrive can certainly simulate a central differential lock simulate differential for acentral The xDrive cancertainly a short period of time but a mid-differential brake oftimebutamid-differential islacking. period a short parameters over/understeer. canleadto unharmonious retained: steering effects and the tendency to andthe retained: understeer. steering effects typicaldisadvantages drive offront-wheel are the front, to the HaldexAs the clutch distributes normally 90 transmission. to driven inorder wheelsare front avoidthe stressing the axle upto 50 involves axleandthen front toresponds sliponthe rear the GLK-Class. inthe sign -incontrast differential to the clutch wearThe friction issubjectto dueto acertain itsde rear-wheel driveto inorder avoid transmission. stressing the tomed under/oversteer. X3only uses the Whenmanoeuvring, The transition from rear to fromrear The transition all-wheeldrive causesunaccus Torque of15% distributions front/85 The torque distribution without including driving dynamic includingdriving without distribution The torque 65% front/35 % of the torque gets torque rear. to% ofthe the Themulti-discclutch % in the propulsion. When manoeuvring, only Whenmanoeuvring, propulsion. % inthe % rear are possible. are % rear % rear and % rear "Fast computers, such as % of the torque torque % ofthe

------2

No. 14 -2008 sales organisation for the Mercedes Benz Product information

compact There isalsoESPandBAS.There tial locks, atransfer box canbeengaged atupto system that 40km/handanadditionaltraction (4ETS). Today comfortable: more genuine differen G-Classisworldwide vehiclethree only the with off-road the drive system supplemented by control systems electronic make even that driving easierto operate and all-wheel have aperfect with G-Classhasbeenfitted chassis aladderframe andtwo axles,the rigid today that few still inthe off-roaders other than legend. Other called anoff-road The G-Classisrightly locks plus4ETS all-wheeldrive,three The G-Class:permanent the subjectof"off-road" the with The Q7isalarge merely estate flirts that capability: Q7buthardlyall-wheel system itsoff-road- way agilityofthe designedinthis the increases certainly locks however are differential not available. Theonly aidavailable traction isbrake intervention. The dynamics,andself-locking designedfor Torsen driving tribution Reduction differential. central box and dis Q7ischaracterised torque by rear all-wheeldrive, 40%front/60% ofthe The drive train permanent Audi focus isonagility Q7:the respective segments in their benchmarks off-road the are M andGL-Classes G-Class,4ETS km/h), AIRMATIC brakesthe lock midandrear anddifferential functions.As with with Technology Pro Offroad the are package box reduction "OPTP"with (2.93:1, canbeengaged atupto 40 Alsomakingacontribution of50%front/50%rear). distribution all-wheeldrive (torque permanent the andto operation andoff-road intrailer provide torque, benefits timesthe upto three with matics that, converter to their Thisisthanks auto capableoff-road. alsovery andsafetyare road comfort onthe of provide ahighdegree M and GL-Classes competitors most segment,the ofthe than inthe Other capable:MandGL-Classes safe off-road Comfortable, –andvery only vehicle to provide three locks isaclassicaloff-roaderThe andisthe G-Class automatic differential brakes:automatic differential of benefits drive efficiency. Further the increase andthese effect brakesadhesion. Forautomatic differential take higherloads,the goodsurface wheelswith to torque those initially the increases > > > > > > >

> > > > metalled roadsinthe world" "The three differential hadthe locks power to master allthe un experienced drivers. especially with cession for extreme isunsurpassed, stretches. Theefficiency insuc The driver canmanually differentials lock allthree areas. for easieroff-road perfect have wheelsthat to torque the traction: the transfers 4ETS rear.50% front/50% distribution torque variable all-wheeldrive with Permanent possible. Clutchroad. wear ordamage asinmanualgearboxes isnot andwhenoff- whenpullingatrailer benefits brings torque drive slowly solesseningdamage road, to material. off orwhentowing abilityto off-road andalsothe is soimportant ismissingthat intorque increase notransfer case,the With lowin view ofthe suspension mobility. only locking actionasthe Braking substitute isnot sufficient weight Q7. of the by road great off the road. Converter automatic asstandard: upto 3-fold in increase With no reduction available, noreduction With drive isquickly over-taxed the Self-releasing when not used, so averting accident risk on the whennotSelf-releasing used,soaverting onthe accidentrisk Prevent damage to andlock. drive train Immediate -lock response immediately. Can beengaged atany timewhenunderway andinbends.

( Automobil Revue/A , 10/07) -

- - 3 - - No. 14 -2008 sales organisation for the Mercedes Benz Product information

compact that the traction islost traction much the earlier.that over-taxed Theall-wheeldrive isthen typicalSUV even the with alsomeans smallerBMWX3,butinaheavier springing load.Thehard trailer the vehiclegreater with ential locks control only andatraction by sameasin meansofbrake itisthe intervention. Inprinciple nordiffer reduction This system, off-road neither which dynamics,offers hasbeendesignedfor driving canbecontinuouslyclutch adjusted that 0%front/100% from to rear asrequired. rear 50%front/50% The X5provides actuated all-wheeldriveviaanelectrically controlled rear-wheel multi-disc drive with BMW X5xDrive:all-wheeldriveonly whenrequired enne places the emphasis on driving dynamics emphasis ondriving enne placesthe Technically related VW Touareg, to the Cay the inagility reductions with The Range Rover but road, capableoff isvery ing: atypicalBMW ofclimb art the than dynamicsrather Driving requirements. features. alloff-road drive anddispenseswith positioned Cayenne GTS beginningof2008only launched exploits advantage atthe ofall-wheel the axle mobilitybyble stabilisers.Thelatter the 60mmandsoimprove increase Thesports- traction. the up to 15 package km/h.AnOff-road (optional extra) and decoupla rear includesamulti-disclock atthe at2.7:1 short israther Thereduction andcanbeengaged differential. central multi-disc lock at inthe isinaddition anautomatic dynamics.There isdesignedfor /62%rear 38%front driving with tribution dis The Porsche Thetorque reduction. Cayenneall-wheeldrive andoff-road permanent with isfitted Porsche Cayenne: flexibletechnology off-road with an optional extra. isstandard,trol anautomatic multi-discbrake lock functionisavailable with as differential rear for the tor gearbox con Atraction MagnaSteyr from MandGL-Classes). inthe Powertrain sameasthat isthe distribu gear reduction of2.93:1(the andanoff-road differential brake central lock functioninthe with The distinguished all-wheeldrive, anelectronically provides multi-disc Briton controlled permanent Land Rover Range Rover: all-wheel drive with programme preselection - - > > > > > > >

consistently towards driving" on-road "It makes nosenseto leave is the asthe asphaltroad orientation lessening damage to hasto material, bedispensedwith. orwhentowingroad abilityto drive slowly andthe so road off off- so important intorque increase notransfer case,the With brakes. locks or noaxledifferential are oftimebutthere period only after changing the tyres. only changing after the teresting tightropebetween agilityandclimbingability–but packageTransfer caseandoff-road manage to in walk the design. drawbacks dynamically-stiff suspension causedby driving the technologyroad (optional extra) to compensate traction for the littleagilityon-road. butoffers Classes off-road, The Range Rover M and GL- the onaparwith iscertainly drive wheels. atthe andhightorque qualities of2.93:1gives reduction goodcrawling very An off-road speed speeds. shift and locks andcontrolsthe wheel drive system sets action braking surfaces, for different The xDrive can simulate a central differential lock The xDrive cansimulate differential for acentral ashort The Porsche Cayenne complete, needsthe complicated off- "Terrain Response" all- (TRS),anautomatic controlofthe ( Off Road/D Off , No. 03/07). - - - - 4 - - No. 14 -2008 sales organisation for the Mercedes Benz Product information

compact ("Crawl isonly Control") available petrol-engined version. inthe system speedcontrol isasecondTorsen axle.Theterrain-dependent There rear inthe differential to rear 40%front/60% from rear.tion ranging 30%front/70% (2.618:1). reduction Italsohasanoff-road generation -alsoamanually lockable distribu Torsen adrive torque with (LSD) limited-slip differential since1951, hasbeenrunning that series, The LandCruiser all-wheeldrive initslatest haspermanent Toyota newtwo editionwith Torsen LandCruiser: differentials right vehicleright for every use SUVrangeThe Mercedes-Benz provides the Land Rover, itscustomers specialist, offers so much off-road declared competence the today. Not terrain. even customer to andindifficult on-road undoubtedlythe greatest both benefit offers the range. entire Thistypeofdrive all-wheeldrive to the permanent andfits ofSUVsandoff-roaders area ofconsistency demonstrates highestMercedes-Benz itsall-wheeldrive designsin the degree the with Conclusions: Mercedes-Benz SUVs and off-roaders offer unique advantages M-Class the capablethan what lessoff-road The VWTouareg provides butissome comfort cost extra. improve They axlemobilityandthus increase traction. the an option ofanautomatic multi-discbrake rear locking function.Thedecouplablestabilisers also with of2.7:1 reduction off-road standard. are Thiscan,however, only beengaged atupto 15 is km/h. There rear.50% front/50% andan Anautomatic multi-discbrake differential central lock functioninthe with Volkswagen hasalsodecidedonpermanent Volkswagen Touareg: awell-balanced compromise even LandCruiser hastwothe Toyota completely backs Torsen differentials; - drive vehicles. above-averagethis market growth capable,all-wheel ofoff-road Mercedes-Benz stands out with the best in prospects long-term the standsMercedes-Benz outwith prehensive safety andexclusive equipment. innovative their range, impress with details, highquality, com Mercedes-Benz entire asinthe Benz SUVsandoff-roaders, counts.TheMercedes- But itisnot all-wheeldrive that only the > > > > > >

manually locked. only automatically reacts differential The rear andcannot be late. relatively aidsandlocksThe useoftraction isonly necessary active (optional extra). ofstabilisers control andsprings improved hasbeenfurther byThe goodarticulation an axle. rear rigid to the thanks all-wheel drive" Benz: inVWvs. Mercedes- figures off-road three As acomparison, actually level. reachingClasses without that options. They off-road get the MandGL- closeto with the The Land Cruiser has high axle mobility and good traction hashighaxlemobilityandgoodtraction The LandCruiser The comfortable VolkswagensThe comfortable achieve usableperformance Wading depth: Reduction engageable upto: "the Touareg hasnochance against the successfulMercedesML Reduction:

all-wheel drive; the standard torque distribution here is here distribution standard torque all-wheeldrive; the ( Auto Bild/D , No. 06/07). 580 vs. 600mm 15 vs. 40km/h 2.7:1 vs. 2,93:1

- - 5