Any one have a diagram for all vacuum lines? problems include very crisp(hard) shifting and climate control stuck on full heat, locks not working and probably a few other things. I want to go over the whole thing as this car has 300+k and I am sure has been rigged in the past.It gets real tiring digging yourself out of the back seat when the car shifts into 2nd . This is in the 83, the 84 rides increadably smooth with no other problems.

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81 Mercedes 300SD 289k.......SOLD
82 Mercedes 300CD 252k......slow ride

82 mercedes 300 SD...mi Unknown
83 Mercedes 300D ????ksniff..gone too
84 Mercedes 300D 148k........SOLD
85 Mercedes 300TD 386k and holding some one elses project