Throttle Linkage Adjustment Problems in 1968 220D W115 - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 07-05-2012, 01:09 PM Thread Starter
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Date registered: Apr 2012
Vehicle: 1968 220D
Location: San Luis Obispo, CA
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Throttle Linkage Adjustment Problems in 1968 220D W115

I have been struggling to get an answer to the following question elsewhere, so hopefully someone here can help. I have some shifting problems in my 1968 220D, w115, auto transmission, left hand drive car. I believe it may relate to the linkages that connect the accelerator pedal to the transmission. The MB FSM indicates there is a special adjusting gauge/tool required to correctly adjust the lengths of all the linkages (see attached files). I don't have this tool and apparently it costs US$200. Does anyone have any suggestions for alternatives. Anyway, I would like to adjust the linkages on the manifold side of the engine that connect to the transmission, but have no idea how to do this correctly without buying the correct tool. Any thoughts? Thanks for your help.
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Shortsguy1 is offline  
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post #2 of 2 (permalink) Old 07-17-2012, 12:10 PM
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I dod not have your model, but a 1976 300D, and I had shifting problems and low acceleration . There is a shaft with two adjustable nuts and threads running down to your throttle cable, I noticed when I put the accelerator down, I did not get any movement of the throttle linkages for 3/4 of an inch, so I tightened the shaft using the shaft, loosened the nut, and wound the ball clamp down about , well almost a half inch, man the transmission starting shifting normal and the car accelerated so much better.

I think it is that vertical shaft just to the right of your aircleaner intake, try that, and have someone move your throttle whilst your watching the linkage to see if you need to do all this.

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