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#1
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1994 500SL Conv Top
After battery failure, What is the reset procedure for the
top mechanism ? |
#2
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I am told you can just recyle the windows up and down a couple of times and it should work.
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roadkingmike@aol.com Coast Aero Support Services, LLC '92 MB 500 SL '01 BMW 525i Sport '98 Harley Davidson RoadKing '74 BMW 3.0 CSi - Gone to a good home |
#3
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Mercedes Soft Top Controller Reset Procedure. R129 1990 thru 1994.
Locate the diagnostic connector: Under the plastic cover near the hood-up switch on the passenger side of vehicle near the strut mount. To recover codes for the soft top controller: Connect a normally open (N.O. S.P.) switch between pin 1 and pin 10. A simple push button switch with leads or a short jumper lead will also work OK. Short (close switch) 2 to 4 seconds to read error codes. The lamp in red top switch ( in the console ) will flash out a number of pulses. Count the pulses and see the chart. Short (close switch) 6 to 8 seconds to erase error code. There may be multiple codes stored. Some codes may require reading / resetting twice before they will erase. The codes that will suspend operation of a soft top on the R129 are 21, 22, 26, and 30. A code of "1" indicates no faults and no hard top in place, while a code of "20" indicates no faults and the hard top is assumed to be on the car. 3.= Limit switch, right locked ,soft top storage compartment cover. 4 = left compartment cover closed switch 5 = right compartment cover closed switch 6.= left front latch switch. 10.= left rear latch switch. 11.= right front latch switch. 16 = roll bar retracted switch. 17 = Left window failed to lower (limit switch open). 18.= Right window failed to lower (limit switch open). 20 = Hard top installed, no faults. 23 = roll bar control unit not functioning. 25.= contradicting inputs. 27 = insufficient voltage. 28.= Speedometer signal is missing. 29.= Wheel speed from ABS control module missing. 30 = Top operation disabled (due to #29).
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Resistance is Futile. |
#4
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Good information. One minor correction: after '93 you need an LED or test lamp connected to socket 10 of the diagnostic connector to see the output codes. The procedure works on '95 cars too.
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