The easiest performance upgrade for C43 AMG, E43 AMG, C400, C450, E400, E450 & GLC43. Keep your factory airbox and heat shielding while gaining better airflow and throttle response.
Quick Recommendation – Choose Your Style
K&N High-Flow Filters – Best Budget Upgrade
K&N’s oiled cotton gauze filters are a proven, affordable way to reduce intake restriction on your M276. Great entry-level mod for daily drivers or mild Stage 1 builds.
-
Best for: Budget-conscious owners wanting quick gains
-
Benefits: Noticeable airflow improvement and throttle response
-
Maintenance: Clean & re-oil every 50k miles (simple and inexpensive)
BMC High-Flow Filters – Best Balance of Performance & Quality
BMC is the go-to “OEM+” choice for most M276 owners. Premium Italian-made construction with excellent filtration and strong airflow gains.
-
Best for: Daily driving, spirited street use, and Stage 1 builds
-
Benefits: Superior build quality, perfect sealing, and consistent performance
-
Maintenance: Clean & re-oil at service intervals
aFe Pro Dry S – Dry Synthetic (No Oil Required)
The easiest maintenance option. Dry synthetic media delivers strong performance without the mess of oiling.
-
Best for: Owners who want simple, mess-free service
-
Benefits: Consistent filtration + strong airflow with zero oiling
-
Maintenance: Just wash and reinstall
aFe Pro 5R – Maximum Airflow (Oiled 5-Layer)
The highest-flow option in the lineup. Built for enthusiasts chasing every last bit of intake performance on tuned M276 engines.
-
Best for: Tuned cars and maximum airflow seekers
-
Benefits: 5-layer gauze designed for the highest possible flow
-
Maintenance: Clean & re-oil properly
Which Filter Should You Choose?
-
Most owners → BMC (best overall balance)
- Budget build → K&N
-
Easiest maintenance → aFe Pro Dry S (no oiling)
- Maximum airflow → aFe Pro 5R
Need help deciding? Tell us your model, year, driving style, and whether you’re tuned or stock — we’ll recommend the best one for you.
