R129 SL electronics / esp options

Discussion in 'Electronics' started by bigben, Aug 2, 2011.

  1. bigben

    bigben Active Member

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    Hello,

    I am toying with buying an R129 SL, the I6 version. The reason being it will provide a reference for the ECU etc that is going into my project R107 SL.

    My questions are:

    i) What years have which security system (I need this to be the 1 button on the key fob type as on my donor car)
    ii) Ditto ESP system.

    Is it possible to get i) and ii) the same as a 1997 C36 AMG ?

    Rather an obscure question I know but someone must know.

    Cheers

    Ben
     
  2. BTB 500

    BTB 500 MB Club Veteran

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    I don't think any I6 R129 would have had ESP. On my 1997 UK price list (the year before the V6 engines came in) the 280 and 320 only had ASR ... ESP wasn't even an option on those (or the SL60!). It came as standard on the 600, and was optional on the 500.

    Not sure about history of MBSS versions ... my '97 has the one-button flip key, if that helps any?!
     
  3. biturbo

    biturbo Active Member

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    Strange as my SL60 has ESP and its a 1997.
     
  4. BTB 500

    BTB 500 MB Club Veteran

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    I was surprised the SL60 didn't show ESP as an option when it was available on the SL500 it was based on. Could be an error on the price list of course! Or if your car is late '97 it could be a '98 model year.
     
  5. EDZ649

    EDZ649 MB Enthusiast

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    My 1994 SL600 has ASR not ESP.
     
  6. BTB 500

    BTB 500 MB Club Veteran

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    I don't think the 129 got ESP at all till 1995 or even 1996.

    It came in first on the V12 C140 (what became the CL600) sometime in '94, followed by the W140 S Class, then the R129.
     
  7. OP
    OP
    bigben

    bigben Active Member

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    In my mind (although not necessarily anywhere else) the one button flip key becomes a three button (lock / unlock / boot) on later cars presumably with a different security system. So yes that helps as my donor C36 has a 1-button flip key.

    ASR is what I meant so that is also good info. So to have 'compatible' electronics with a 1997 C36 I should get a 1997 or earlier SL320.

    One more question do all 320s have the 5 speed box ?

    Ben
     
  8. BTB 500

    BTB 500 MB Club Veteran

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    No, it only became standard on the R129 as part of the big '97 model year facelift. It was an option before that though, so some earlier cars may have it.
     
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  9. IanA2

    IanA2 MB Enthusiast

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    My MY98 (Reg Dec '97) has a three button key if that's any help.
     
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  10. rossyl

    rossyl Active Member

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    Just bringing up an old questions. But i've seen debate over whether the 5 speed came in 1996 or later? I don't suppose you happen to know?

    Also, is there an easy way to tell? Is it tiptronic "D-4-3-2-1" or were not all tiptronic and you just have to count the gear changes?

    Many thanks
     
  11. BTB 500

    BTB 500 MB Club Veteran

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    As above, it was standard on the R129 from the '96 facelift onwards. But it was available as an option for some time before that (a number of years I think).
     
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  12. bolide

    bolide MB Enthusiast

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    There's more than one type of 5-speed box. The later W124s used a hydraulic box with electric overdrive 5th and no gearbox ECU. Did the R129 use that box, the later electronic one or did it depend on year?

    Nick Froome
     
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  13. BTB 500

    BTB 500 MB Club Veteran

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    OK that's probably the confusion. The electronic 5-speed gearbox came in as standard with the R129's 1996 facelift. It may have been an option for a year or so previously (think that box originally came out in 1995?).

    Before that the 'old' 5-speed would have been an option on the R129, with the 4-speed being standard.
     
  14. Doodle

    Doodle MB Enthusiast

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    Maybe I'm mistaken, but the only 5sp I remember in my owners book is the manual box for the 280. All autoboxes were 4sp hydraulic until facelift.

    I'll check upstairs later and double check what it has to say.
     
  15. BTB 500

    BTB 500 MB Club Veteran

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    Obviously you can't believe everything you read on the web :D but I found this
    Mercedes-Benz History: In-Depth Look at Automatic Transmissions from Mercedes-Benz | eMercedesBenz

    Of course options varied by country, so may not be true for UK cars.
     
    Last edited: Aug 3, 2012
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