Mercedes M112 NA V6 Performance Upgrades – 3.2L & 3.7L Upgrades (C240, C320, CLK320, E320, ML320

Performance upgrades engineered specifically for the M112 Naturally Aspirated V6. Improve response, airflow, exhaust flow, and reliability for Mercedes models equipped with the M112 engine. Ideal for restoring lost performance and building a stronger, smoother NA powerband.

Improved Response
Better Airflow
Clean Exhaust Tone
Direct-Fit Upgrades

🔧 M112 Performance Parts Included

  • Headers (shorty) for reduced backpressure and stronger mid-range pull
  • Exhaust upgrades (X-pipes, resonator deletes, muffler systems)
  • Intake & filtration upgrades (drop-in filters, induction options)
  • Spark plugs, coils, and maintenance items that restore lost power
  • Supporting hardware & reliability components

💡 Why Modify the M112 NA V6?

The M112 is a durable, smooth-revving Mercedes engine, but factory exhaust and intake systems are restrictive. Improving airflow transforms drivability, throttle response, and overall character — especially on aging vehicles where components have worn down.

📌 Compatible Mercedes Models (M112 NA V6)

All listed models use the naturally aspirated M112 engine.

Chassis Model Years
W203 C240 · C320 2001–2007
W209 CLK320 2003–2009
W211 E320 2003–2006
R230 SL320 (varies by market) 2003–2008
W220 S350 (M112) 2000–2006

Some regional models may vary — confirm engine code (M112) before ordering.

BenzUnited Performance — Trusted Mercedes NA V6 Upgrades

Better airflow. Better response. Better driving.

Mercedes M112 NA V6 performance parts for 3.2L and 3.7L engines including headers, intake upgrades, exhaust mods, and tuning components