Mercedes-AMG Considers Reintroducing Twin-Turbo V8 to C63 and E63 Models
Mercedes-AMG is looking at bringing back its powerful twin-turbo 4.0L V8 engine for the C63 and E63 high-performance variants. The V8 could return paired with a hybrid system as early as 2026.
Customer Demand for V8 Performance
Many Mercedes-AMG customers and enthusiasts were disappointed by the recent shift away from V8 engines in core models:
- New C63 has turbocharged 4-cylinder hybrid, not traditional V8
- Upcoming E63 will also move to 6-cylinder hybrid powertrain
This has generated demand from the AMG community for the return of V8 performance.
The BMW M3's powerful 6-cylinder and M5's expected V8 hybrid are also raising competitiveness pressures. Audi RS models moving to V6 hybrids further highlight demand for V8 performance.
Opportunity to Add V8 Back to Lineup
In response to customer feedback, Mercedes-AMG sees an opportunity to reintroduce the V8:
- Twin-turbo 4.0L M177 V8 already meets emissions standards
- Could be paired with a hybrid system as in GT63 and S63 models
- Requires only minor modifications to fit C63 and E63
With life cycle improvements planned for the C-Class and E-Class, the V8 hybrid AMGs could stay in production into the next decade.
Mercedes-AMG V8 Engine Specs
The M177 V8 would bring considerable performance gains over 6-cylinder hybrid options:
4.0L Twin-Turbo V8:
- 603-631 hp (depending on tune)
- 627-664 lb-ft torque
- 0-60 mph in 3.0-3.4 seconds
Combined with a hybrid system, output could rival AMG GT and S-Class models:
- Up to 831 hp (GT63 S E Performance)
- Up to 791 hp (S63)
Proposed Timeline for Next V8 C63 and E63
If approved for production, here is the possible timeline:
- Now through 2025 - Engineering to adapt M177 V8 and hybrid components
- 2025 - Production preparations
- 2026 - Start of production with V8 hybrid powertrain
- 2028 - Life cycle improvements extend production
The upgraded C63 and E63 could have 5-7 year model runs allowing the V8 to live on into the early 2030s.
How the V8 Hybrid Powertrains Could Be Configured
There are two likely layouts for pairing the M177 V8 with a hybrid system:
PHEV with Electric Rear Axle
- V8 engine drives rear wheels
- Electric motor powers rear axle
- Combined AWD power output over 700 hp
Mild Hybrid with Integrated Starter-Generator
- V8 with integrated starter-generator (ISG)
- Up to 200 hp of boost from ISG
- Simpler, more affordable option
Either configuration would significantly boost power versus 6-cylinder hybrid models.
Why the V8 Matters for High-Performance AMG Models
The V8 engine provides key benefits that support the AMG brand:
Unique AMG Character
- Signature AMG V8 exhaust note
- High-revving power delivery
- Driver engagement and emotional appeal
Strong Performance Heritage
- Central part of AMG mystique since early days
- Core AMG models defined by V8s or V12s
- Keeps heritage alive as electrification grows
Model Differentiation
- Distinguishes top C63/E63 from lower variants
- Justifies higher pricing and positioning
- Sets AMG apart from mainstream Mercedes
Losing the V8 risks diluting the AMG brand as it transitions to electrification. Its return would satisfy core buyers.
Frequently Asked Questions About the Potential V8 Comeback
What models are getting the V8 hybrid powertrain?
Mercedes-AMG is considering the V8 hybrid for the C63 and E63 high-performance variants.
When will they debut?
If approved, the V8 hybrid C63 and E63 could arrive in 2026 or 2027 model years.
What horsepower could the V8 hybrid make?
Estimates put the output over 700 hp to potentially match the AMG GT63 and S63 hybrids.
Will it be a plug-in hybrid?
Likely yes, using a PHEV system similar to other AMG hybrid models. A mild hybrid is also possible.
Does this mean no more 4-cylinder AMG models?
No, lower AMG variants like the C43 will likely continue with 4-cylinder powertrains. The V8 would be reserved for C63/E63 range toppers.
Key Takeaways
- Customer demand has Mercedes-AMG considering a return of the V8
- Twin-turbo 4.0L M177 V8 could come back in C63 and E63 models
- V8 likely paired to a hybrid system producing over 700 hp
- 2026 debut possible if given production approval
- Would restore V8 performance missing from recent AMG models
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