The Wagner Tuning high-performance intercooler was developed for Mercedes models with the 3.0L V6 biturbo M276 engine. This system replaces the original water-cooled charge-air intercooler and offers significantly more cooling capacity. With a 133% larger core volume, this upgrade ensures lower intake air temperatures, improved airflow, and more stable performance under high loads.

Advantages

• 133% larger intercooler core volume than OEM
• Better cooling of the charge air
• Less pressure loss in the system
• More power and torque possible
• Relief of the turbochargers
• Suitable for performance and track use
• Plug-and-play installation

Technical specifications

• Type: Water-cooled intercooler upgrade
• Core dimensions: 222 × 297 × 95 mm
• Core volume: 6.3 liters
• OEM core volume: 2.7 liters
• Volume increase: +133%
• End tanks: Cast aluminum
• Design: CAD developed and CFD optimized
• Coating: Heat-conductive anti-corrosion coating
• Boost pipe: Ø75 mm included
• Additional connections: 2 × 1/8 NPT WMI ports

Compatibility

• Mercedes-Benz C400 W205 4MATIC (2014–2018)
• Mercedes-Benz C450 AMG W205 4MATIC (2015–2016)
• Mercedes-Benz C43 AMG W205 4MATIC (2016–)
• Mercedes-Benz E43 AMG W213 4MATIC (2016–2018)
• Mercedes-Benz E450 AMG W213 4MATIC (2018–06/2020)
• Mercedes-Benz GLC43 AMG X253 4MATIC (2016–2019)
• Mercedes-Benz GLE43 AMG C292 4MATIC (2015–2019)

Contents

• Wagner Tuning high-performance intercooler
• Ø75 mm boost pipe
• Assembly instructions

Frequently Asked Questions

Is this a direct replacement for the OEM intercooler?
Yes, this system is designed as a plug-and-play upgrade.

What is the benefit of a larger intercooler?
A larger core lowers intake air temperature and helps keep performance stable under higher loads.

Are additional connections available for WMI?
Yes, the intercooler has two 1/8 NPT WMI ports.