SL/SLC-Class (R107) 1971-1989 : 250SL, 280SL, 450 SL, 380 SLC, 450 SL, 380 SL, 560 SL

SL/R107: electrical issues

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Old May 16, 2023 | 01:14 PM
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kmalt's Avatar
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1988 560sl
electrical issues

Hi, I just bought a 560sl, 1988. I have 2 what I believe are electrical problems. First one is the passenger door mirror does not operate, common solutions? Is there somewhere i can find the where the wires are and where they go?

Second the cruise control does not work, solutions?
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Old May 22, 2023 | 07:00 AM
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AlterSchinken's Avatar
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From: Monroe, GA
1985 380SL
You can find service and wiring info here: www.tonk.ca
I dont have any direct experience with the power mirror as mine has always worked. Cruise control failure is common and is almost always related to either bad solder joints or bad capacitors in the "amplifier" module. You can remove this and resolder the joints and replace the capacitors yourself if you are handy with a soldering iron. I did this with mine and it has worked fine ever since.

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Old May 28, 2023 | 05:05 PM
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1988 560sl
Originally Posted by AlterSchinken
You can find service and wiring info here: www.tonk.ca
I dont have any direct experience with the power mirror as mine has always worked. Cruise control failure is common and is almost always related to either bad solder joints or bad capacitors in the "amplifier" module. You can remove this and resolder the joints and replace the capacitors yourself if you are handy with a soldering iron. I did this with mine and it has worked fine ever since.
Thank you! Could you point me in the direction of the "amplifier module"?
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