Service Manual Library

Mercedes-Benz S-Class W116

1972-1980: 280S 280SE 300SD 450SE 450SEL

Engine
M117
Cooling System
Electrical Troubleshooting Maintenance Owner's Manual Climate Control Chassis & Body
  • Cooling system
  • 20-005 - Coolant circuit and engine cooling
  • 20-010 - Draining and filling coolant
  • 20-015 - Cleaning cooling system
  • Coolant thermostat
  • 20-110 - Removal and installation of coolant thermostat
  • Coolant pump
  • 20-210 - Removal and installation of water pump
  • Viscofan clutch, temperature controlled
  • 20-310 - Temperature controlled visco-fan clutch
  • 20-320 - Viscofan coupling, speed-controlled
  • Radiator
  • 20-420 - Removal and installation of radiator
  • 20-430 - Testing radiator or expansion tank closing cap