Upgrade the airflow on your Mercedes-Benz M273 5.5L V8 with a high-quality performance air filter. These filters are designed to improve throttle response and engine breathing. Choose the option that best fits your needs and budget.
Choose the Right Filter for Your Needs
K&N Air Filter Set – Best Value Option
A popular and affordable high-flow filter choice for M273 owners. These reusable cotton gauze filters offer a great balance of improved airflow and solid filtration.
Best for: Daily drivers and first-time performance upgrades.
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aFe Power Pro DRY S – Best Oil-Free Option
The aFe Pro DRY S uses synthetic media that does not require oiling. It delivers excellent airflow with strong filtration and easy maintenance.
Best for: Drivers who want better performance without the hassle of re-oiling filters.
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aFe Power Magnum FLOW Pro 5R – Best for Maximum Airflow
The aFe Pro 5R is a premium oiled cotton gauze filter engineered for maximum airflow. It is favored by enthusiasts seeking the highest level of intake performance.
Best for: Modified or tuned M273 engines where maximum airflow is the priority.
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Quick Comparison
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K&N — Best overall value and great all-around performance.
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aFe Pro DRY S — Oil-free convenience with strong airflow and filtration.
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aFe Pro 5R — Highest airflow option for modified builds.
All filters are direct replacements and require no modifications for fitment on M273-powered vehicles including E550, CLS550, S550, and CLK550.
