Guangzhou Honghui Auto Parts Co., Ltd.
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Engine Code: M156 (6.2L V8)
Displacement: 6,208 cc
Power Output:
Standard: 451–525 HP (varies by tune)
Torque: 443–630 Nm (327–465 lb-ft) @ 5,200 RPM
Compression Ratio: 11.3:1 (requires premium 98 RON fuel)
Valvetrain: DOHC, 32-valve with variable valve timing (VVT)
Fuel System: Sequential port injection (no direct injection)
Block/Head: Aluminum block & heads with sodium-filled exhaust valves
Redline: 7,200 RPM
Oil Capacity: 9.0L (AMG-approved Mobil 1 0W-40 recommended)
Emissions: Euro 4/5 compliant
Legendary AMG Performance – The M156 is a 6.2L naturally aspirated V8 developed by AMG, delivering
451–525 HP (varies by model) and thrilling throttle response.
High-Revving Thrill – Redline at 7,200 RPM, with a linear powerband and intoxicating exhaust note.
Wide Compatibility – Fits multiple AMG 63-series models, including:
C63 AMG (W204) – 451 HP (2008–2014)
E63 AMG (W211/W212) – 514–525 HP (2006–2011)
S63 AMG (W221) – 525 HP (2007–2010)
ML63 AMG (W164) – 503 HP (2006–2011)
No Turbo Lag – Naturally aspirated design provides instant power delivery (vs. modern turbocharged AMGs).
Strong Aftermarket Support – Popular for tuning (ECU remaps, headers, cams) to push 550+ HP.
Durable Internals – Forged crankshaft, high-flow aluminum heads, and reinforced pistons for high-RPM
endurance.
