If a part is temporarily unavailable, you could substitute it with these parts:
Quality Turbo solenoid valve for Mercedes /8 280 C 160 hp Petrol
Wide selection of new turbo solenoid valve for Mercedes W114 280C (114.073) Petrol 160 hp, priced from £41.48 to £165.24. Choose from 4 trusted manufacturers.
Boost pressure control valve for MERCEDES-BENZ /8 models
250 C (114.021) M 114.920
250 C 2.8 (114.023) M 130.923
250 CE (114.022) M 114.980
280 CE (114.072) M 110.981
220 D (115.110) OM 615.912
230.6 (114.015) M 180.954
200 (115.015) M 115.923
240 D
200 M 115.923
240 D 3.0 (115.114) OM 617.910