Ventilation valves for C-Class generation C204

A Mercedes-Benz ventilation valve body is part of the engine’s crankcase ventilation and vacuum control system, directing pressure and oil vapors where they need to go while helping the engine run cleanly and consistently. Depending on the model and engine, it is typically mounted on or near the valve cover, intake area, or breather assembly, where it works in constant contact with hot oil mist, vacuum pulses, and repeated heat cycles.

Because this part operates under exposure to engine vapors, temperature changes, and pressure fluctuations, it can wear internally or stick. Owners often notice specific symptoms such as rough idle after startup, a whistling or sucking sound from the top of the engine, unstable revs, increased oil consumption, or fresh oil traces around the breather area. In some cases, the engine may feel hesitant under light acceleration or show a check engine light related to mixture imbalance or crankcase ventilation faults. These are practical signs a buyer can recognize even without a local Mercedes specialist.

Choosing a genuine used OEM Mercedes-Benz ventilation valve body is a smarter option than an aftermarket copy: original parts are built to the correct tolerances, fit properly without modification, and usually offer better long-term reliability while costing far less than a new dealer-supplied part. At imcar.com.ua, every part is matched by VIN/chassis number before shipping to ensure exact compatibility, and each order is carefully packaged for safe international delivery.

Order with confidence and get the right OEM Mercedes part shipped worldwide.