PCV valve A2780180035

Description

PCV valve by MERCEDES, catalog number A2780180035. Confirmed catalog fitment: Mercedes-Benz E-Class W212 (2009–2016). For an accurate match, compare the number and identification with the removed part and confirm the vehicle specification by VIN. The fitment list is a reference and does not replace a vehicle-specific compatibility check.

PCV VALVE CRANKCASE VENTILATION. The Positive Crankcase Ventilation valve is a component of the engine crankcase ventilation system designed to route blow-by gases from the crankcase back into the intake manifold for controlled combustion. During engine operation, combustion gases leak past piston rings into the crankcase creating pressure and contaminating engine oil. The PCV valve regulates gas flow according to intake manifold vacuum, preventing excessive crankcase pressure, oil seal leaks and lubrication degradation. The assembly may consist of a spring-loaded check valve, diaphragm regulator or integrated module within the valve cover including an oil separator. Operating principle is based on metered gas recirculation under varying engine loads to maintain stable air-fuel mixture and reduce emissions. Failure symptoms include increased oil consumption, unstable idle, crankcase pressure buildup, oil leaks, sludge formation and diagnostic fault codes. Causes may involve valve sticking, diaphragm rupture or clogging due to oil deposits. Our catalog includes genuine OEM PCV valves, quality aftermarket replacements and inspected used units free from cracks or membrane damage. Used parts are checked for sealing performance and proper valve movement. Selection is based on VIN number, engine type and part number. Timely replacement ensures proper engine operation and emission control compliance.

Compatibility

Fits 1 vehicles

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About the manufacturer · MERCEDES

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the...

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the brand is part of Mercedes‑Benz Group and is recognized globally as a leading manufacturer of passenger cars, commercial vehicles and genuine automotive spare parts. Under the Mercedes‑Benz brand a wide range of original components is produced for the company’s vehicles, including engine parts, cooling system components, suspension elements, braking systems, transmission components, electronic modules, body parts and various maintenance and service items. Genuine Mercedes‑Benz parts are designed according to strict factory engineering standards and undergo comprehensive quality control throughout the production process. This ensures precise fitment, reliable performance and full compatibility with the vehicles they are intended for. According to feedback from car owners and automotive repair professionals, Mercedes‑Benz genuine parts are highly regarded for their excellent build quality, long service life and dependable operation even under demanding driving conditions. Many users also highlight the perfect fit and ease of installation of original components. The most frequently mentioned drawback is the relatively high price compared with many aftermarket alternatives, although many vehicle owners consider the cost justified due to the durability, safety and preservation of the vehicle’s original factory performance.

Additional information

PCV valve by MERCEDES, catalog number A2780180035, is listed for vehicle repair or maintenance. The catalog identifies the item as “PCV valve”. Confirmed catalog fitment: Mercedes-Benz E-Class W212 (2009–2016). Fitment is based on the catalog links between the part and vehicle bodies. It helps narrow the search, but final compatibility must be confirmed for the exact vehicle specification. The primary ordering references are part number A2780180035 and manufacturer MERCEDES. Parts can differ within the same vehicle model by production year, engine, transmission, installation side, or position. Before purchase, compare the number and identification with the removed component and verify body, year, and specification by VIN. Also compare appearance, connectors, mountings, dimensions, and included items whenever those details are relevant to this part. Before purchase, compare identification and appearance with the old part and verify compatibility by VIN.

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