Stage 4 turbocharger upgrade — a full-billet precision-engineered turbo solution for the Mercedes-AMG W205 C63 M177 4.0L twin-turbo V8. Built around Precision 58/76 ball-bearing compressor wheels for the absolute maximum in spool response and sustained high-boost power, this is the end-of-the-line upgrade for serious builds targeting 1200 HP+.
Supplied as a complete bolt-on kit with every fitting and line needed — everything from steel-braided oil and coolant lines to billet-aluminum adapters is included. Reuses the stock wastegate assembly for reliability. Compatible with stock downpipes or YPG race downpipes.
- Precision 58/76 ball-bearing turbos: Rapid spool and sustained high-boost capability
- Power target: 1200 HP+ with supporting modifications
- Cast aluminum compressor housing: Lightweight, heat-dissipating design
- Cast Inconel turbine housing: With internal wastegate assembly
- Complete install kit: Steel-braided oil and coolant lines, billet adapters, all fittings
- 3-inch inlet couplers: New clamps included, with reducer for stock airbox use
- Fitment: Complete bolt-on — reuses stock wastegate
- Downpipe compatibility: Works with stock or YPG race downpipes
Supporting Modifications for 1,200HP+
The Stage 4 turbos deliver the airflow — pair them with the right foundation:
- M177 Forged Internals ($6,599.99) — 1,500HP+ rated rods & pistons
- M177 Crate Engine ($29,999.99) — Complete forged long block, ready for installation
- M177 Short Block ($23,000) — Forged rotating assembly in machined block
- C63 W205 Catless Downpipes ($1,099) | E63 W213 Downpipes | GLC63 Downpipes
- C63 M177 ECU Calibration — Custom tune required for Stage 4 boost levels
Stage 3 Packages (Turbos + Downpipes + ECU Tune)
- C63 W205 Stage 3 Package
- E63 W213 Stage 3 Package
- GLC63 X253 Stage 3 Package
- GT63 C192 Stage 3 Package
M177 Tuning Guides
- AMG GT Stage 4 Turbo Upgrade — Complete Guide
- M156 vs M177 vs M178 — Complete AMG Engine Comparison
- Mercedes-AMG GT ECU Tuning — Every Model, Every Stage
- M178 Crate Engine — AMG GT Buyer's Guide
- How the YPG ECU Flash Process Actually Works
Ships worldwide. Sold by YPG Motorsport.
Frequently Asked Questions
How much does the M177 Stage 4 Turbo Upgrade cost?
The YPG Motorsport M177 Stage 4 Race Turbo Upgrade is $8,999.99 with free worldwide shipping.
What HP can Stage 4 turbos make on the M177?
The Stage 4 Precision 58/76 ball-bearing turbos support 1,200HP+ with supporting modifications including forged internals, race fuel, and a custom ECU calibration.
Is the Stage 4 turbo a bolt-on install?
Yes — the kit includes everything needed for a complete bolt-on installation. Steel-braided oil and coolant lines, billet adapters, all fittings, and 3-inch inlet couplers are included. The kit reuses the stock wastegate assembly.
Do I need forged internals with Stage 4 turbos?
For sustained high-boost operation above 800HP, forged internals are strongly recommended. YPG M177 forged rods and pistons ($6,599.99) are rated for 1,500HP+ and are the standard foundation for Stage 4 builds.
Do you ship worldwide?
Yes. YPG Motorsport offers free worldwide shipping on all products. GCC delivery (UAE, Qatar, Saudi Arabia, Kuwait) in 48–72 hours via FedEx International Priority.
