Mercedes-Benz details new 4MATIC for FWD platform

Mercedes-Benz 4MATIC

Mercedes-Benz has revealed that it has readied a new generation of its 4MATIC all wheel drive system that can be used with its latest front wheel drive platform. It will debut on the new CLA-Class sedan as well as the CLA 45 AMG.

The new 4MATIC is being combined with the 7G-DCT seven-speed automated dual clutch transmission which was premiered in the B-Class. The electrohydraulically actuated multi-disc clutch integrated in the rear axle gear unit is responsible for fully variable torque distribution.

Operating principle: when the multi-disc clutch is open, the CLA is driven almost exclusively by the front axle for fuel economy. When the clutch is closed, the rear axle comes into play. This means that the drive torque can be shifted in fully variable mode between front and rear axle according to the given situation (torque on demand).

4-Matic Hochgurgl 2012

The torque distribution ratio is also dependent on the activated shift programme of the 7G-DCT dual clutch transmission. The ECO programme results in torque distribution of a conservative nature. Less torque is channelled to the rear axle, resulting in gentler handling and supporting an economical driving style at lower revs.

In SPORT or MANUAL mode the activation times are shortened and more torque is distributed to the rear axle in the interests of a dynamic, sporty driving style. On the AMG versions, adaptation of the 4MATIC controller takes place in accordance with the 3-stage ESP.

The gallery has plenty of technical diagrams of the new front wheel drive 7G-DCT + 4MATIC components so check them out.

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Paul Tan

After dabbling for years in the IT industry, Paul Tan initially began this site as a general blog covering various topics of personal interest. With an increasing number of readers paying rapt attention to the motoring stories, one thing led to another and the rest, as they say, is history.

 

Comments

  • Mercedes-Benz
    The best or nothing..

    Like or Dislike: Thumb up 15 Thumb down 5
    • All Germany car best for Nothing.
      VW,BMW, Benz.. all no good.. Overpriced item in Malaysia.

      Like or Dislike: Thumb up 1 Thumb down 24
      • gee,disagreed with you..i thk should be the Germany car is good and some very good,just because of Malaysia,price here after tax are much more hikes up..tats why overpriced…

        Like or Dislike: Thumb up 0 Thumb down 0
      • Micheal on Dec 17, 2012 at 8:16 am

        i know you are the best.

        Like or Dislike: Thumb up 0 Thumb down 0
      • unforgiven on Dec 17, 2012 at 9:26 am

        Then jst bring the price down in the coming ge.

        Like or Dislike: Thumb up 5 Thumb down 1
      • Let me tell you something, this might be a shock of your life. All cars in Malaysia are overpriced!

        Like or Dislike: Thumb up 1 Thumb down 0
  • Jilbaber on Dec 17, 2012 at 7:34 am

    I saw CLA interior spy shot..why the heck most new Mercedes model don’t have gear stick on center console!

    Like or Dislike: Thumb up 0 Thumb down 0
  • suren69 on Dec 17, 2012 at 9:00 am

    What are u driving mate? Toyota?

    Like or Dislike: Thumb up 0 Thumb down 0
    • Jilbaber on Dec 17, 2012 at 12:49 pm

      Are you referring to me ? then mine is old E-Class W211 (2008) model…I do drove my dad Toyota corona 15 years ago..

      Like or Dislike: Thumb up 0 Thumb down 0
  • sepucps on Dec 17, 2012 at 9:09 am

    Technologically not new..much like the ACD on evolution series but with much compact package..no AYC similar system though..

    Like or Dislike: Thumb up 1 Thumb down 1
  • ABTguy on Dec 17, 2012 at 9:14 am

    Not all German cars are overpriced, but all cars are overpriced !

    Like or Dislike: Thumb up 0 Thumb down 0
  • armandd on Dec 17, 2012 at 10:22 am

    This system is more or less the same as the transmission unit in the Ferrari FF I think, except the latter is rear wheel biased.

    Side note: Technical posts like this usually have less comments than, say, news about Proton. What does than mean? =p

    Like or Dislike: Thumb up 0 Thumb down 0
    • Ferrari FF has a front-longitudinally mounted engine. Quite different. This CLA has a front-transverse mounted engine and more comparable to VW 4Motion cars with same layout. Not new certainly but a first for Mercedes.

      Like or Dislike: Thumb up 0 Thumb down 0
    • Jilbaber on Dec 17, 2012 at 12:45 pm

      I thought FF has 2 transmissions so its totally difference with what’s merc offer

      Like or Dislike: Thumb up 0 Thumb down 0
  • Jimmy on Dec 17, 2012 at 5:56 pm

    Most of us who can afford will want RWD or AWD vehicles. So please ya, Merc and BM.
    Fuel economy < joy.
    What 'overpriced'??

    Like or Dislike: Thumb up 0 Thumb down 0
  • FWD merc sedan…then the design proportion will looks like other cheap japanese n korean FWD car like honda,toyota, nissan, kia, hyundai . Its ok if its justifies in lower price than other RWD merc.

    Like or Dislike: Thumb up 0 Thumb down 0
  • lembu jinni on Dec 18, 2012 at 2:29 pm

    it’s still decades behind comparing to legendary Quattro from AUDI

    Like or Dislike: Thumb up 1 Thumb down 2
 

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