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C230 sport Kompressor gear change problem

Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by monumen, Sep 29, 2009.

  1. monumen

    monumen Active Member

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    Hi guys
    Me again. Finally sorted my non starting ( brain ) and poor pick up ( MAF sensor) now all I have to do is sort the gear change issue.
    Manual gear change is perfect most of the time but every now and again it will jam in gear normally after selecting reverse and disengaging while under load like if I reverse up hill to park it will jam in gear.
    I have released it twice by loosing off the gear lever mechanism under the centre console and "wiggling it" but the last time it took ages and I had to get a tow in reverse to release it.
    The clutch is fine as the car will start with it depressed but releasing it the car stalls.
    I love this car but its driving me mad.
    Also the gear knob is starting to decompose now its all sticky. Does anyone have a spare I can buy.
    Thanks in advance.
    Dave
     
  2. Alex Crow

    Alex Crow Senior Member Authorised Forum Supporter

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    Your Mercedes:
    W169, W124, w202, W203, KTM 250 EXC, VW T25 camper and a Polo in a pear tree
  3. OP
    monumen

    monumen Active Member

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    Alexander,
    Thank you so much. I will do that this weekend.
    Can it be that simple ?????.
    Watch this space.
    :)
     
  4. OP
    monumen

    monumen Active Member

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    Hi
    Went to MB Newcastle and ordered the part which will take a week to get as there are none in the UK.
    I also enquired about the gear knob and when they said it would be £140. Ha ha NOT. So looking for one on the net.
    Just one question.
    The part i've ordered, is it easy to change on axle stands from underneath and where is it.
     
  5. Alex Crow

    Alex Crow Senior Member Authorised Forum Supporter

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    Your Mercedes:
    W169, W124, w202, W203, KTM 250 EXC, VW T25 camper and a Polo in a pear tree
    it is just a bolt on to the box - 2x 6x1.00mm bolts, there is a also paper gasket btw. if i remember correctly there is just enough room to slide it in/out, only just. when you get the plastic one out have a really close look at it for cracks etc. hard to fathom why they went to a plastic one, you will note the new one comes with a 123 part number from way way back!! not like MB to revert to older part designs.
     
  6. OP
    monumen

    monumen Active Member

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    What can I say boys.
    Got the car up on a ramp. Managed to get the lower bolt out easily but had to weld a nut on the back of a 10mm socket and squeeze a ratchet spanner over it to get the top one off.
    A quick tap and the cage fell out but lo and behold minus the balls.
    I had a quick feel in the hole but the balls have dropped into the box. Will this be a problem ????.
    I have owned dozens of cars and been on loads of forums but must say this one is the business.
    Let us see just how good ha ha.
    I now have an intermittent starting problem which I am putting down to the immobiliser. Is there any way to disable this to prove if it is this.
    Thank you in advance.
     
  7. Alex Crow

    Alex Crow Senior Member Authorised Forum Supporter

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    Your Mercedes:
    W169, W124, w202, W203, KTM 250 EXC, VW T25 camper and a Polo in a pear tree
    what kind of key do you have, what age car is it? also, describe in detail the starting problem, ie hot/cold, starts eventually or you have to try later, runs rough after starting, fails to turn over etc etc.

    as for the missing balls, take out the drain plug and hope!! you do not want them lingering in the box.
     
  8. OP
    monumen

    monumen Active Member

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    I have the oblong key with one button and the blade folds into it.
    I try to start it and its not interested. Come back later and it may start. When it does eventually start its perfect.
    As soon as I try to start I can tell it wont fire as it normally starts first hit.
    I have tried reprogramming the key, battery off hundred clicks battery back on key to pos 2 click twice turn off, press button turn to pos 2 wait for bleep then start.
    NOWT !!
     
  9. Alex Crow

    Alex Crow Senior Member Authorised Forum Supporter

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    Your Mercedes:
    W169, W124, w202, W203, KTM 250 EXC, VW T25 camper and a Polo in a pear tree
    do you have the red/green leds in the rear view mirror? if so what do they do? do you have any silver stickers in the side windows?
     
  10. OP
    monumen

    monumen Active Member

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    Hi,
    Forgot to add in last post. It is a 1997 model. I have red and green lights in the mirror and they flash as I try to start. No difference to these when it starts or doesn't.
    Lock doors and red light flashes, open doors and green light flashes.
    No silver stickers on windows.
     
  11. Alex Crow

    Alex Crow Senior Member Authorised Forum Supporter

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    Your Mercedes:
    W169, W124, w202, W203, KTM 250 EXC, VW T25 camper and a Polo in a pear tree
    they should NOT flash when it DOES start! the lights flashing when you try to start should be telling you that it is immobilized, if they flash ALTERNATELY. if the lights flash on/off TOGETHER then change the batteries in your remote.

    if the above does not help, remove the carpet in the passenger footwell, then unscrew a couple of 10mm plastic nuts to remove the metal panel. is there a black module screwed to the back of this metal panel? if so follow the yellow/red and black/purple wires to where they are wired into the car's wiring and cut them just short. now solder these two short ends together. now try to start the car. now jump up and down with joy. now come back on here and tell us it worked.
     
  12. OP
    monumen

    monumen Active Member

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    I knew it wouldn't be that easy ha ha but we live in hope.
    Behind the steel panel is a silver box and two black ones. I found the red/yellow and black/purple but they only go from one box to the other and not into the loom.
    One box has two grey plugs and the other has two smaller black plugs one of which has these two wires only into it.
    I unplugged this and bridged them hoping but it made no difference.
    When I went to the car first off it started and no flashing lights but I turned off and tried again and lights flashed with no start.
     
  13. Alex Crow

    Alex Crow Senior Member Authorised Forum Supporter

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    Your Mercedes:
    W169, W124, w202, W203, KTM 250 EXC, VW T25 camper and a Polo in a pear tree
    what is written on the smaller black box with the two smaller black plugs? are you SURE there is no plastic pvc tape or other signs of pieced in wiring.
     
  14. OP
    monumen

    monumen Active Member

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    I initially followed the two wires mentioned and found they just went from 1 box to the other. The rest of the wiring has a bundle going behind centre console and the rest go into a post.
    The larger of the two boxes with the grey connectors has no I/D on it but the smaller 1 with the black connectors has a number Z10 820 27 26
     
  15. Alex Crow

    Alex Crow Senior Member Authorised Forum Supporter

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    Your Mercedes:
    W169, W124, w202, W203, KTM 250 EXC, VW T25 camper and a Polo in a pear tree
    if you want further help i suggest taking photographs for us. the part number you have posted will be 210 820 27 26. it is probably the ifz control unit. you are saying the two wires go from it to the other black box and nowhere else? i suspect that actually they are T-ed into the wiring. how about that pvc tape i told you to look for? read my posts again and have another look, failing that post some pictures. i am trying here.
     
  16. OP
    monumen

    monumen Active Member

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    I really appreciate all your help, thanks.
    I am 99% positive they go nowhere else but will check every wire and also send some pic's of the whole set up.
    As for the tape there are different bundles of wires all with the cloth type tape in various conditions but difficult to tell whats what as it looks like its been worked on a few times previous.
    Again thank you for your help AND patience
     
  17. Alex Crow

    Alex Crow Senior Member Authorised Forum Supporter

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    Your Mercedes:
    W169, W124, w202, W203, KTM 250 EXC, VW T25 camper and a Polo in a pear tree
    cloth tape = original. pvc tape = dealer fitted alarm/immobiliser. please do post those pics so i can make reference to them, i am sure we can resolve this.
     
  18. OP
    monumen

    monumen Active Member

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    Here are the pic's. I hope they are helpful.
     

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  19. Alex Crow

    Alex Crow Senior Member Authorised Forum Supporter

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    Your Mercedes:
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    right. the wiring is exactly as i expect. you do have the yellow/red and black/purple wires spliced into the loom!! picture no.4, top middle, i can see these wires, follow them towards the right of this picture and peel away the insulation and you will see where the original wiring is cut and these wires are soldered in. when you find this, you obviously need to cut the above wires, and RE-MAKE the original wiring. as i said, peel back the insulation and it WILL be clear!
     
  20. OP
    monumen

    monumen Active Member

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    I just knew it wouldn't be that easy ha ha.
    Traced the wires back to the loom and found them spliced into a green wire which I cut and reconnected without the link.
    Went to start the car and the lights started flashing no start.
    did the pressing of key thingy and it started. Well thats me jumping up and down looking stupid. locked up came back later and it started. HUGE grin. locked up, came back later...... no start, lights flashing again. HELP. I am losing the will to start.
     

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