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Help! can't find Yaw rate sensor on W208 CLK 230 convertible

Discussion in 'Suspension, Steering & Brakes' started by Wyersmith, Sep 9, 2013.

  1. Wyersmith

    Wyersmith Active Member

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    Hi, I'm new here so I hope i've posted this in the right place. If not, apologies and please tell me where to go - be nice.

    I've been looking everywhere for the Yaw rate sensor in my 2000 W208448 CLK 230k convertible. I've searched this forum and the rest of the world for clues on where it is but I just can't find the blighter. There's a fab thread on here showing where to find it in the coupe but I fear on the convertible it must be buried somewhere as I've had the boot apart and I just can't see it anywhere!

    To be clear, although the WIS and other experts say it's under the plastic panel in the boot, there is no plastic panel in the boot of the convertible, just a big metal bulkhead covered in boot lining felt material. I've had the bottom of that off and I still can't see it.

    Any help in locating it or perhaps the other ESP related sensors would be much appreciated. I expect they are a sited together.

    Thanks

    Wyersmith
     
  2. television

    television Always remembered RIP

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    Have you looked under the rear seat, it has to be in the rear as it detects side thrust
     
  3. bigasotonuk

    bigasotonuk Senior Member

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    Hi,
    I,m pretty sure that it is in the boot under the plastic panel between the rear wheel arches, the panel is held down by three or four large funny shaped plastic allen key headed bolts.
     
  4. television

    television Always remembered RIP

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    Nothing on WIS for this at all, but really as Andy, on the drawing its right against the back of the rear seat panel in the boot.
     
  5. Miffy

    Miffy Senior Member

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  6. OP
    Wyersmith

    Wyersmith Active Member

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    Hi, thanks for your suggestions.

    There isn't a plastic panel in the boot. beyond the well for the spare a metal bulkhead slopes up quite sharply towards the top of the back seats. I can see the plastic panel in the boot on the coupe but where this is on the coupe the boot back just slopes upwards. I guess the convertible roof makes a difference to the design of the space behind the back seat.

    I will look behind and under the back seat cushions tomorrow and let you know if I find anything.

    Thanks again for your help all. Also do you know if a new unit can just be plugged in (once I've found the thing!) or does it need 'initialising or anything? seems to be conflicting info around.

    Thanks again. I really appreciate it.

    J
     
    Last edited: Sep 9, 2013
  7. Miffy

    Miffy Senior Member

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    From that same thread, its plug and play
     
  8. television

    television Always remembered RIP

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    You can initiate it, ESP off and and on again, press the brake pedal hard and hold it down for a few mins, and thats it.

    (I just learnt this bit tonight):D
     
  9. star

    star Forum Supporter Authorised Forum Supporter

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    Sometimes the Yaw rate sensor is combined with the lateral acceleration sensor and could be under rear of centre consul, I would have to check wis with your chassis to be 100 %.
     
  10. OP
    Wyersmith

    Wyersmith Active Member

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    Hi, That would be really helpful, thanks. Is the chassis number the VIN? (sorry - you can tell my expertise is limited)

    If so is it safe to publish or should I message you?

    Thanks
     
  11. television

    television Always remembered RIP

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    I have checked WIS and it is where it has been said it is, only the one drawing
     
  12. star

    star Forum Supporter Authorised Forum Supporter

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    pm me or call me tomorrow.
     
  13. television

    television Always remembered RIP

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    for the 448 it says under cover in front of the boot for both 202 and 208
     
  14. OP
    Wyersmith

    Wyersmith Active Member

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    Thanks Star. I will call you as I haven't worked out how to PM yet!

    Thanks again

    J
     
  15. Miffy

    Miffy Senior Member

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    we have a thread with 100's of replies where members post up their VIN for a decode, so I would say your safe enough to post it here. WIS doesnt seem to suggest it is anywhere else. I have a CAB also so used my VIN to check and just says the same thing as you have already seen.
     
  16. OP
    Wyersmith

    Wyersmith Active Member

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    Hi, just taken a pic of the boot and as you can see just beyond the spare there's a metal bulkhead bolted to the boot space floor with felt covering. This goes up at an incline where it meets the underside of the roof / tonneau cover. the load space cover is rolled back and hanging down. Compare it to the pic in the thread you linked to Miffy and you can see that the boot space floor in the coupe goes all the way to the back of the seats (you can see the split between the seats) but in the cabrio it doesnt go far enough back to have space for the plastic cover between the arches as shown on the WIS drawing and shown in that other pic.

    Thanks for the note about the VINs just wasn't sure how private they should be.

    Cheers

    boot uncovered CLK 230k Cabrio.jpg
     
  17. OP
    Wyersmith

    Wyersmith Active Member

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    Hi Star, bearing in mind Miffy's post about using his VIN to check WIS i'm not sure this is going to be any help but my VIN is WDB2084482T070999.

    I didn't think this was going to be straightforward. I've googled just about everything possible in the last couple of days.

    Cheers
     
  18. Uncle Benz

    Uncle Benz Senior Member

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    You need to unbolt the metal plate with the felt on that you have mentioned. It is just behind there, on the floor, on the nearside. Should be plug and play. I've changed a couple of these before.
     
  19. OP
    Wyersmith

    Wyersmith Active Member

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    Thanks Uncle Benz. I'll try that tomorrow. Fairly straightforward job for a novice bar undoing a few nuts and bolts?

    Cheers
     
  20. Uncle Benz

    Uncle Benz Senior Member

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    LOADS of bolts. Your wrist will ache!

    Other than that, not difficult. You can call me Susan if it isn't so.
     

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