BenzUnited Parts
CLK550 E550 CLS550 SL550 Mid-length Performance Headers M273 V8 NA
CLK550 E550 CLS550 SL550 Mid-length Performance Headers M273 V8 NA
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Unlock the Full Potential of Your M273 V8
Upgrade your Mercedes-Benz M273 engine with our High-Flow Mid-Length Performance Headers. Designed to reduce back pressure and improve flow, these headers deliver noticeable performance gains and a deep, aggressive tone. Ideal for naturally aspirated and supercharged M273 V8s — including E550, CLS550, SL550, CLK550, S550, and CL550.
⚙️ Key Features
- ✅ High-Flow Design: Reduces exhaust restriction, increases horsepower and torque
- 🚗 Power Gains: 38 hp and 39 ft/lb of torque
- 🔊 Improved Exhaust Tone: Deeper, more aggressive sound profile
- 🔧 Wider Piping: Optimized for high-RPM airflow and torque
- 🌍 LHD & RHD Fitment: Precision fit for global M273-powered models
- 🛠️ Custom Fitment: Welding required for integration with factory exhaust
📦 Compatibility
| Model | Engine | Years |
|---|---|---|
| Mercedes-Benz SL550 | M273 V8 | 2007–2011 |
| Mercedes-Benz CLS550 | M273 V8 | 2007–2011 |
| Mercedes-Benz CLK550 | M273 V8 | 2007–2009 |
| Mercedes-Benz E550 | M273 V8 | 2006–2011 |
| Mercedes-Benz S550 | M273 V8 | 2007–2011 |
| Mercedes-Benz CL550 | M273 V8 | 2007–2010 |
🔥 Limited inventory available. Order now before this batch sells out!
Pair with our Custom ECU Tune for the M273 for maximum power gains and throttle response.
💎 Why Choose BenzUnited Parts?
- 🔩 Trusted by high-performance tuners & enthusiasts worldwide
- 📦 Fast shipping, responsive support, and fitment guarantee
- 🔍 Hard-to-find performance parts sourced with precision
Note: For off-road and racing use only. Not legal for highway use in emissions-restricted states. Professional installation with welding is required.
Ships within 1–2 business days. Packaged securely and insured.
