Set of 2 BMC High-Flow Panel Air Filter – Mercedes M276 3.0L V6 (C43, E43, GLC43, etc.)

You want that loud turbo whoosh and aggressive intake sound. We get it. But open cone intakes on a twin-turbo M276 usually do more harm than good — they suck in hot engine bay air, spike IATs, and give you inconsistent power when it matters most.

The BMC High-Flow Panel Air Filter is the smarter move. It gives you noticeably better airflow and throttle response while keeping the factory airbox sealed for stable intake temps and consistent boost — exactly what serious C43 owners actually feel on the road.

Why BMC Is the Right Upgrade for Your M276

• Sharpened throttle response — more airflow to the turbos without the heat soak penalty
• Better power consistency — stable IATs mean stronger, repeatable pulls instead of fading when the engine gets hot
• Noticeable intake sound improvement — you’ll still hear the whoosh, just without cooking your intake charge
• Perfect OEM-style drop-in fit — no cutting, no relocation, no tuning required
• Washable & reusable — clean it, re-oil it, and it lasts for years

Real-World M276 Performance

The M276 twin-turbo V6 loves reduced restriction, but it hates hot air. Keeping the factory airbox (with its excellent heat shielding) while flowing significantly better than stock paper is the sweet spot most tuned C43, E43, and GLC43 owners eventually land on.

This is the cheap, fast, high-bang-for-buck mod that actually makes your car feel quicker where it counts — on the street, on the highway, and when you’re rolling into boost.

Vehicle Compatibility – Mercedes M276 3.0L V6

C-Class — C400 (2015), C450 AMG (2016), C43 AMG (2017–2023)

E-Class — E400 (2015–2018), E43 AMG (2017–2018), E450 (2019–2020)

CLS-Class — CLS400 (2015–2017)

GLC / GLE / GLS — GLC43 AMG, GLE43 AMG, GLS450, etc.

SL / SLC / S-Class — SL400, SLC43 AMG, S400, S450e, etc.

Note: Two filters required per vehicle. Fits all M276 3.0L V6 models equipped with the factory airbox.

Installation

• Direct drop-in replacement — 5 to 10 minutes
• No tools, no tuning, no drama
• Keeps your factory heat shielding intact