doesn't look like something that vacuum lines would go into... thanks for the clairification...

I should explain my problem a little more to get a correct diagnosis...

Cruise would hold and then all of a sudden stop, like when i hit the break..with a little finess it would start working again...then sometimes it would just start speeding up like it was floored...then would stop again... cruise is nice and i'd love to get this thing fixed...thanks for the input..

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1985 Mercedes 300DT