All formats refer to the same genuine Mercedes-Benz part number.
Mercedes-Benz Fuel Injection Idle Air Control Valve - old stock genuine Bosch - 0001412225 / Bosch 0280140510
Note: there is no printed number in the area mentioned in red arrow. I'm not sure why.
Genuine OEM Bosch idle air control valve, old stock, for classic Mercedes-Benz models. See the Fitment section below for the full list of compatible models, chassis codes, and production years.
Fitment
W201 190 (1982–1993)
190E 2.3 Sedan 2.3L L4 — Chassis 201.028 (1987–1988, 1991–1993)
190E 2.3-16 Sedan 2.3L L4 — Chassis 201.034 (1986)
190E 2.6 Sedan 2.6L L6 — Chassis 201.029 (1987–1993)
W124 E-Class (1985–1996)
260E Base Sedan 2.6L L6 — Chassis 124.026 (1987–1989)
300E 2.6 Sedan 2.6L L6 — Chassis 124.026 (1990–1992)
300E 2.8 Sedan 2.8L L6 — Chassis 124.028 (1993)
300E 4Matic Sedan 3.0L L6 — Chassis 124.230 (1992–1993)
300E Base Sedan 3.0L L6 — Chassis 124.030 (1986–1989, 1992)