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#1
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280sl erratic cruise control
with cruise on the car surges forward and then backs off
it will do this continuously Any thoughts? Thanks |
#2
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I guess I should have said the car is 1985.
Does anyone know if this is vacuum cruise control |
#3
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I'm surprised that you haven't received a reply since November!
Being 1985, you have the electronic servo system. You could have a fault in the cruise control amplifier, or in the electric servo attached to the accelerator linkage. Both are common. Look at Kris Rose's website (he goes by JamesDean on this forum): Overview — Cruise Control Repair FWIW, my 560SEL was surging, essentially full throttle or nothing, very rough! Mine was the servo that was the problem. Fortunately I had a spare in my parts collection that solved the issue.
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Current stable: 1995 E320 149K (Nancy) 1983 500SL 120K (SLoL) Black Sheep: 1985 524TD 167K (TotalDumpster™) Gone but not forgotten: 1986 300SDL (RIP) 1991 350SD 1991 560SEL 1990 560SEL 1986 500SEL Euro (Rusted to nothing at 47K!) |
#4
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The car magically healed itself. Must be the German engineering magic.
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