AMG Auxiliary Heat Exchanger for W213 E63 / E63S – M177 Performance Cooling Upgrade

Take control of intake temperatures and protect your power with this high-performance auxiliary heat exchanger built for the M177-powered W213 E63 and E63S AMG. Whether you’re tuned, running downpipes, or just pushing your car hard in hot weather, this upgrade eliminates heat soak and keeps your AMG delivering consistent, strong power.

Why This Is One of the Best Mods for the W213 E63

• ✅ Dramatically lowers intake air temps and reduces heat soak
• ✅ Furnace-brazed core with no epoxy for superior heat transfer
• ✅ CNC-machined billet aluminum end tanks for extreme durability
• ✅ Direct bolt-on fitment — no cutting or fabrication needed
• ✅ Proven on tuned cars and aggressive driving conditions

Exact Fitment

The factory heat exchanger on the W213 E63 quickly becomes a bottleneck once you add a tune or downpipes. This auxiliary upgrade works in parallel to keep intake temps lower, maintain timing, and deliver more consistent power — especially during long pulls, canyon runs, or hot summer driving.

BenzUnited Parts • Built for Serious W213 E63 Owners