Cylinder head cover for Mercedes Motors generation M278

The cylinder head cover, often called the valve cover, seals the top of the engine’s cylinder head and protects the valve train from dirt, moisture, and oil loss. On Mercedes-Benz engines, it sits at the very top of the engine and also helps manage crankcase ventilation, so it is exposed to constant heat cycles, oil vapor, engine vibration, and pressure changes every time the engine runs.

When a cylinder head cover begins to fail, the signs are usually easy to notice even without a mechanic. You may smell burning oil after driving, see fresh oil around the top of the engine, or find oil collecting near the ignition coils or spark plug wells. In some cases, a cracked cover or failed integrated breather section can cause rough idle, increased oil consumption, or a whistling sound from the engine bay. These are direct symptoms linked to this specific part, not just general engine wear.

Choosing a genuine used OEM Mercedes-Benz cylinder head cover is a practical alternative to aftermarket copies, which often have inconsistent fit, weaker plastic, or poorly made sealing surfaces. An original used part gives factory fit and durability while costing far less than a new dealer component.

At imcar.com.ua, every part is matched by VIN/chassis number before shipping to ensure precise fitment, and each order is carefully packaged for safe international delivery. Order with confidence today.