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  #1  
Old 06-12-2000, 12:51 PM
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Join Date: Jan 2000
Location: PA
Posts: 5,440
1980 300SD 225,000 miles

Cruiz control is intermittent in operation. Usually works for hours but then it seems to loose its memory and the cars slows as the cruiz control is inoperative. Sometimes when cruiz is reapplied the car accelerates with no control until cruiz control is manually shut off. Usually if cruis is not used for a while after the above occurance, it works again for a variable period of time.
Is this a symptom of a bad "amplifier"? Also, where is the "amplifier located"? If I have to replace the "amplifier" where is the best place to get another and are rebuilt units available at reasonable cost?

P E H
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  #2  
Old 06-12-2000, 04:07 PM
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Join Date: Apr 2000
Location: Atlanta, GA
Posts: 366
For good info on troubleshooting your cruise control see: http://www.mbca.org/MBCA_Troubleshooting_cruise_cont.htm

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Tony

  • 1988 300E Pearl Black/light Gray leather interior
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      #3  
    Old 06-12-2000, 10:24 PM
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    Join Date: Mar 1999
    Location: Suwanee, GA, USA
    Posts: 4,712
    Two common problems
    1. The linkage will bind: to rectify, just take apart one at a time and grease
    2. The amp is a fault. By far the most common but expensive. To rectify, replace control unit.

    ------------------
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    Donnie Drummonds
    1992 500E (very soon I hope
    1981 280GE SWB
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