Performance Air Filter for Mercedes Benz C-Class E-Class CLK-Class CLS-Class (2006-2009) 6.2L

Unleash the M156 V8: High-Flow BMC Performance Air Filter

Who It’s For: Engineered for Mercedes-Benz AMG owners running the legendary M156 and M159 6.2L naturally aspirated V8 powerplants who want to maximize volumetric efficiency.

The Symptom: The factory intake system on the M156 engine is hampered by thick, restrictive paper filters designed more for sound dampening and long-term service intervals than outright performance. These OEM filters create a significant pressure drop within the airbox, especially as the V8 climbs toward its high-RPM power band. This restriction results in a "lazy" throttle response and prevents the engine from breathing the high-density air required to maximize the combustion cycle of such a large-displacement performance engine.

The Engineering Fix: This BMC performance filter replaces the restrictive paper media with a multi-layered cotton gauze soaked in low-viscosity oil. By utilizing an epoxy-coated alloy mesh, we provide a rigid structure that prevents filter deformation under high vacuum. The physics are simple: the cotton fibers allow for a much higher flow rate while capturing impurities as small as 7 microns, ensuring that your AMG receives a higher volume of oxygen-rich air for a sharper throttle snap and a more pronounced V8 induction roar.

Why Mechanics Choose This Kit

• Optimized Airflow: Significantly reduces air flow constriction compared to OEM paper, allowing the M156 engine to reach its full 500+ HP potential more efficiently.
• Superior Filtration: Captures impurities down to 7 microns, whereas standard factory filters often only catch particles down to 10 microns, protecting your internal cylinder walls.
• Race-Derived Construction: Features a "Full Moulding" system with no welded joints, eliminating the risk of breakage or air-leaks even under the extreme heat of an AMG engine bay.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• Mercedes-Benz CL (C216) CL 63 AMG [2007-2010] - 525 HP
• Mercedes-Benz Class C (W204/C204/S204) C 63 AMG [2007-Current] - 457 HP
• Mercedes-Benz Class C (W204/C204/S204) C 63 AMG Black Series [2012-Current] - 517 HP
• Mercedes-Benz Class C (W204/C204/S204) C 63 AMG Edition 507 [2013-Current] - 507 HP
• Mercedes-Benz Class C (W204/C204/S204) C 63 AMG Performance P+ [2009-Current] - 487 HP
• Mercedes-Benz Class E (W211/S211) E 63 AMG [2006-2009] - 514 HP
• Mercedes-Benz Class E (W212/S212) 63 AMG [2009-2011] - 525 HP
• Mercedes-Benz Class M (W164) ML 63 AMG [2005-Current] - 510 HP
• Mercedes-Benz Class R (W251) R 63 AMG [2006-Current] - 510 HP
• Mercedes-Benz Class S (W221) S 63 AMG [2006-2010] - 525 HP
• Mercedes-Benz CLK (A209/C209) CLK 63 AMG [2006-2007] - 481 HP
• Mercedes-Benz CLK (A209/C209) CLK 63 AMG [2007-2009] - 507 HP
• Mercedes-Benz CLS (C219) CLS 63 AMG [2006-2010] - 514 HP
• Mercedes-Benz SL (R230) SL 63 AMG [2008-2012] - 525 HP

Note: Most of these V8 applications require two (2) filters for a complete installation.

Interchange Part Numbers:

FB521/20, M156.984, M156.985, M156.983, M156E63, 156.980, M156.963, M159.981

The Performance Promise

Buy with confidence. Upgrade your AMG with the same filtration technology used by top-tier racing teams. These filters are washable and reusable, making them the last set of air filters your Mercedes will ever need.