Air Suspension Compressor Electropneumatic Control Unit Mercedes S-Class W223 EQS 2233200904 2233203303 This is the air suspension compressor for the Mercedes-Benz S-Class (W223, 2021 onwards) — the electropneumatic control unit that keeps the factory air suspension pressurised. The same unit family also covers the EQS (V297), which makes this a handy line for anyone stocking modern Mercedes air-ride. The two OE numbers on this listing — 2233200904 and 2233203303 — sit in a