Water Methanol Injection Kit – W213 E63 / E63S AMG (M177 Engine)

Maximize the performance of your W213 E63 or E63S AMG with this complete water methanol injection system, designed specifically for the M177 4.0L BiTurbo V8. This bolt-on upgrade significantly lowers intake air temperatures, reduces knock and detonation, and safely supports higher boost — an estimated ~80 HP with supporting mods and tuning.

Key Benefits

• Estimated ~80 HP gains with supporting mods
• Reduces knock & detonation for safer tuning
• Lowers intake air temperatures (IATs) to fight heat soak
• Boost-referenced progressive controller included
• All hardware included — nozzles, lines, fittings, couplers
• Direct fitment for the M177-powered E63 / E63S AMG

What's Included

• Water methanol injection system with tank and pump
• Custom methanol couplers for E63 / E63S AMG
• AEM nozzles with integrated check valves
• Boost-activated progressive controller
• Complete installation hardware kit

This kit is built around the proven Snow Performance Stage 2 Boost Cooler platform with AEM nozzles — quality components enthusiasts trust.

Fitment Compatibility

Installation

Installation should be performed by a qualified technician. We include full installation documentation with your kit — and if you have questions or need tuning support, reach out and we'll walk you through it.

Buy With Confidence

• Free U.S. shipping with tracking on all orders.
• Fitment confirmed before you buy: not sure it fits your exact car or build? Send us your VIN and mod list and we'll verify.
• Mercedes-AMG specialists: we focus exclusively on Mercedes platforms — we know the M177 inside out.
• Real support: questions before or after purchase go straight to us, not a call center.

Confirm fitment or ask a question →

For off-road and racing use only where permitted.