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Mercedes w115 speedo and odometer not working, I've tried removing and lubricating the cluster side and the speed cable. Still none work? No noises or anything coming from them, also I opened speedo and added loctite to make sure the numbers aren't just spinning on shaft.. Any ideas?
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if there cable operated cant you take the clocks off and turn the cable by hand to rule out the clocks?
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Mercedes w115 help PLEASE :( BenzBoy
@benzboy
Club Retro Rides Member 7
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Not sure I understand the bit about Loctite...
My first action would be to replace the speedo cable, it's probably broken inside.
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drive up the road with the cluster out and see if the cable turns
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91 golf g60, 89 golf 16v , 88 polo breadvan
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Ahhh ok I see, when removing the speedo cable there's a small pin like thing that pokes through the middle of the speedo cable should I try twist this fully 360 degrees and see if it spins? car is sorn ATm but I'll try removing clocks and seeing if the speedo cable spins, only thing is the oil pressure fitting will spurt oil out if I turn car on withought that being connected.
Thanks
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Also something I haven't chekced is if the gearbox side speedo cable has been fitted properly, I can't find It anywhere though!
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Mercedes w115 help PLEASE :( BenzBoy
@benzboy
Club Retro Rides Member 7
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I can't remember where the speedo cable connected on the gearbox I had... is yours auto or manual? If you get it jacked up in the air it should be fairly clear once you're underneath. You could even test the speedo cable at the same time if you've got both back wheels off the ground as you could start it, put it in first and see if the cable turns (maybe put the end of the oil pressure gauge pipe in a bottle to catch any spillage)
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Ahhh Yh good idea! It's a manual mate a 230.4 so 4 speed. Is it at the front or rear of the car mate? Any idea
Thanks
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Just took cluster off and stuck a match stick in the speedo and spun it clockwise and the needle was jumping up above 0mph to like 20mph depending on how rigorously I spun.. Does this narrow it down to being the cable?
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Bolf
Part of things
Posts: 507 
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or the speedo drive in the box
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Ok hopefully changing the speed cable does it! Any particular place I should get speedo cable from? I'm from the UK, finding parts for the w115 is a mission lol
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Sweet man' thanks, I found a good few cables but I thought id need a specific one to the 4 speed gearbox lol thanks man |
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Dez
Club Retro Rides Member
And I won't sit down. And I won't shut up. And most of all I will not grow up.
Posts: 11,712
Club RR Member Number: 34
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Mercedes w115 help PLEASE :( Dez
@dez
Club Retro Rides Member 34
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it exits on the LHS of the box about halfway along, which makes the route the cable takes a bit tight on RHD cars (where it comes out kind of looks 'aimed' for LHD cars if that makes sense). i have heard they are prone to failure because of this but have never had one go myself.
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Just rolled car fowards and backwards and speedo cable didn't spin so I guess that's the culprit  |
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Are all w115 speedo cables different for each model? I have a 1975 w115 230.4 just wondering which other vehicles will fit? Thanks
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madmog
Club Retro Rides Member
Posts: 1,153
Club RR Member Number: 46
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Mercedes w115 help PLEASE :( madmog
@madmog
Club Retro Rides Member 46
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Use Google translate on this page for recommendations of reasonable suppliers if you don't find anything in UK. www.strichacht-forum.de/From what you said so far it sounds like the cable. You could jack up and chock a rear wheel and spin the wheel while a friend looks at the cable (undone from speedo) to confirm it is/isn't spinning. And welcome, I don't know any other forum in the UK that has as many W114s/W115s as here (230.6) |
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Cheers for reply man! I actually rolled the car fowards and backwards and nothing happened to the cable so safe to say it's kaput! I've managed to find one local at £70 bit steep but I guess it has to be done ey
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berendd
Europe
why do I need 3 keys for one car?
Posts: 1,449
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