1995 Mercedes-Benz S600 Questions

All 1995 Mercedes-Benz S600 Questions

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both engines run, can run without each other, but together there not sync, when warmed up runs a little rough and back fires some. Why aren't they in sync ? main wiring harness rebuilt, throttle bodies rebuilt.
2 dr coupe Driver closing assist cyle does not work and rear window closes mm's short. Driver front window stops 3 inches short and only goes up all the way after various clicks.
when i take off the car bounce then level off