500SEL (126.037) V8-5.0L (117.963) (1984)
Heater Core: Service and Repair
Without A/C
Removal
1
Remove heater unit
2
Remove clamps (see arrow) on cover (6) for air outlet center with a screwdriver and lift off cover (46) of heater unit.
3
Remove rubber seal (47) at water pipes.
4
Detach Bowden cable (48) for leg room flaps and open legroom flaps.