1983 Mercedes-Benz 300D Base Sedan 4-Door 3.0L- Needs Transmission Repair

For sale is my 1983 Mercedes-Benz 300D. This car was my daily driver through the summer until the transmission started to slip. Please do not hesitate to send questions.The good:Smooth running turbodiesel engine with no blow-by. Started easily all through winter.4 new shocksNew right front control armNew brake pads, otors, alipers, nd brake hosesNew masssive group 49 batteryRecent engine valve adjustmentNew fuel filtersNew exhaust systemThe bad:Transmission does not reliably upshift and needs repairMinor scrape damage to passenger side of vehicle (pictured)A few rust spots on the undercarriageA/C system has a leak. Will work for a few days if chargedPower lock system is plugged offDriver's door lock only works from insideOdometer works intermittently