Performance Air Filter for Mercedes Benz C-Class E-Class M-Class/CLS/GLK Diesel

High-Flow Induction: BMC Performance Filter for Mercedes-Benz M276 & OM642 V6 Engines

Who It’s For: Engineered for Mercedes-Benz owners running the M276 naturally aspirated V6 or the OM642 Diesel powerplant who want to eliminate the "heavy" throttle feel inherent in these luxury platforms.

The Symptom: The factory air filtration system in your Mercedes-Benz is designed with one priority: silence. To achieve this, engineers use dense, pleated paper filters that create significant parasitic drag on the intake stroke. This restriction forces the M276 or OM642 engine to work harder just to breathe, resulting in a sluggish initial tip-in and a noticeable delay when you’re trying to execute a high-speed pass on the highway. In heavier chassis like the M-Class (W166) or the S-Class (W221), this air starvation makes the vehicle feel much heavier than it actually is.

The Engineering Fix: This BMC performance filter replaces that restrictive paper element with a multi-layered cotton gauze medium, treated with low-viscosity oil. From a fluid dynamics perspective, we are increasing the effective surface area while reducing the pressure drop across the filter. This allows for a more laminar airflow into the intake manifold. Unlike the 10-micron limit of OEM filters, BMC’s design captures impurities as small as 7 microns without compromising velocity. The result is a sharper throttle response and an engine that feels more eager to climb the RPM range.

Why Mechanics Choose This Kit

• Enhanced Volumetric Efficiency: By reducing intake restriction, we allow the M276 and OM642 engines to reach their peak torque figures with less effort, improving overall drivability.
• Full Moulding Construction: Unlike cheaper aftermarket filters that are glued together, BMC uses a single-mould process. This eliminates welded joints, ensuring the filter frame will never crack or fail under the high-heat cycles of a Mercedes engine bay.
• Lifetime Sustainability: This isn’t a disposable part. This filter is fully washable and regenerable, meaning it’s the last air filter your Mercedes will ever need.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• 2011 – 2014 Mercedes C-Class (W204/C204/S204) C 300 (252 HP) - Engine: M276.957
• 2011 – 2014 Mercedes C-Class (W204/C204/S204) C 300 CDI (231 HP) - Engine: OM 642.832
• 2011 – 2014 Mercedes C-Class (W204/C204/S204) C 350 CGI BlueEfficiency (306 HP) - Engine: M276.957
• 2011 – 2016 Mercedes E-Class (A207/C207) E 300 CGI BlueEfficiency (252 HP) - Engine: M276.957
• 2011 – 2016 Mercedes E-Class (A207/C207) E 350 CGI BlueEfficiency (306 HP) - Engine: M276.957
• 2011 – 2016 Mercedes E-Class (W212/S212) E 300 BlueEfficiency (252 HP) - Engine: M276.952
• 2011 – 2016 Mercedes E-Class (W212/S212) E 350 BlueEfficiency (306 HP) - Engine: M276.952
• 2012 – 2015 Mercedes M-Class (W166) ML 300 (252 HP) - Engine: M276.955
• 2011 – 2015 Mercedes M-Class (W166) ML 350 BlueEfficiency (306 HP) - Engine: M276.955
• 2011 – 2014 Mercedes R-Class (W251) R 350 BlueEfficiency (306 HP) - Engine: M276.958
• 2011 – 2013 Mercedes S-Class (W221) S 350 BlueEfficiency (306 HP) - Engine: M276.950
• 2013 – 2017 Mercedes S-Class (W222, A/C217) S 400 Hybrid (306 HP) - Engine: M276.960
• 2010 – 2014 Mercedes CLS (C218) / CLS Shooting Brake (X218) CLS 350 (306 HP) - Engine: M276.952
• 2009 – 2015 Mercedes GLK (X204) GLK 300 4-MATIC (252 HP) - Engine: M276.957
• 2011 – 2015 Mercedes GLK (X204) GLK 350 CGI BlueEfficiency (306 HP) - Engine: M276.957
• 2012 – 2014 Mercedes SL (R231) SL 350 (306 HP) - Engine: M276.954
• 2011 – 2016 Mercedes SLK (R172) SLK 350 CGI BlueEfficiency (306 HP) - Engine: M276.956

Interchange Part Numbers:

FB720/01, M276.957, OM 642.832, M276.952, M276.955, M276.958, M276.950, M276.960, M276.954, M276.956

The Performance Promise

Buy with confidence. As tuners, we only carry brands that pass our filtration and flow-bench standards. BMC is the choice of factory racing teams globally, and we stand behind this kit for your Mercedes-Benz performance needs.