Performance Air Filter for Mercedes Benz E Class (2002-2009)

Unlock the Flow: BMC High-Performance Intake Filter for Mercedes OM646/OM647/OM648 Diesel Engines

Who It’s For: Engineered for Mercedes-Benz E-Class (W211) and S-Class (W220) owners running the legendary OM-series turbo-diesel powerplants who are tired of the stock sluggishness and restrictive intake parameters.

The Symptom: The factory intake on the OM646 and OM648 engines is designed primarily for noise suppression and long-term service intervals using dense, pleated paper. This creates a significant bottleneck in the air delivery path, especially as the turbocharger attempts to spool. When you bury the throttle to merge on the highway, that accordion-style paper filter creates a high-pressure drop, starving the combustion chamber of the oxygen density needed for a clean, snappy burn, often resulting in increased lag and a dull throttle response.

The Engineering Fix: This BMC cylindrical system replaces the restrictive OEM paper element with a high-flow, multi-layered cotton gauze media soaked in low-viscosity oil. By smoothing the fluid dynamics of the incoming air and utilizing an epoxy-coated alloy mesh, we reduce the filtration threshold to a staggering 7 microns (compared to the 10-micron OEM standard). This allows a higher volume of laminar airflow to reach the turbocharger, resulting in faster spool times and a noticeable increase in mid-range torque across the diesel powerband.

Why Mechanics Choose This Kit

• Optimized Volumetric Efficiency: Increases the mass airflow rate to the OM-series engines, allowing the ECU to optimize fuel mapping for better combustion.
• Full Moulding Technology: Built using a proprietary single-mould process that eliminates welded joints, ensuring the filter frame will never crack or leak under high-boost conditions.
• Washable & Sustainable: Unlike paper filters that end up in a landfill every 15,000 miles, this cotton gauze media is fully regenerable using a BMC cleaning kit, making it the last filter your Mercedes will ever need.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• MERCEDES CLASS E (W211/S211) E 200 CDI (2002-2006)
• MERCEDES CLASS E (W211/S211) E 200 CDI (2002-2006)
• MERCEDES CLASS E (W211/S211) E 220 CDI (2002-2006)
• MERCEDES CLASS E (W211/S211) E 220 CDI (2006-2009)
• MERCEDES CLASS E (W211/S211) E 220 CDI (W211) (2006-2009)
• MERCEDES CLASS E (W211/S211) E 270 CDI (S211) (2002-2005)
• MERCEDES CLASS E (W211/S211) E 270 CDI (W211) (2002-2005)
• MERCEDES CLASS E (W211/S211) E 280 CDI DPF (S211) (2004-2005)
• MERCEDES CLASS E (W211/S211) E 320 CDI (S211) (2002-2005)
• MERCEDES CLASS E (W211/S211) E 320 CDI (W211) (2002-2005)
• MERCEDES CLASS S (W220) S 320 CDI (W211) (2002-2005)

Interchange Part Numbers:

FB357/16, D1-77, D2-108, H-425

The Performance Promise

Buy with confidence. As the leading choice for Formula 1 and GT race teams, BMC air filters bring track-tested fluid dynamics to your daily driver. Backed by real automotive experts and fast shipping.