Table of Contents
The Mercedes-Benz C63 AMG is a high-performance vehicle that has garnered significant attention from automotive enthusiasts. Two of the most notable engine variants are the M156 and M157. Understanding the differences in power gains from these models, especially when paired with aftermarket upgrades, is essential for anyone looking to enhance their driving experience.
Overview of M156 and M157 Engines
The M156 engine was introduced in 2008 and is a naturally aspirated 6.2-liter V8. It is known for its raw power and aggressive sound. In contrast, the M157, which debuted in 2011, is a 5.5-liter twin-turbocharged V8. This engine offers a different approach to power delivery, focusing on both performance and efficiency.
Power Output Comparison
When comparing the power outputs of the M156 and M157, the differences are notable. The M156 produces approximately 451 horsepower and 443 lb-ft of torque, while the M157 boasts around 518 horsepower and 516 lb-ft of torque. This significant increase in power is one of the main reasons enthusiasts consider upgrading to the M157.
Aftermarket Upgrades for M156 and M157
Aftermarket upgrades can substantially enhance the performance of both the M156 and M157 engines. Here are some popular options:
- ECU tuning
- High-performance exhaust systems
- Cold air intakes
- Upgraded intercoolers
- Supercharger kits for M156
Power Gains from Aftermarket Modifications
Both engine variants can see significant power gains from these modifications. For the M156, a combination of ECU tuning and a high-performance exhaust can yield an increase of 50-100 horsepower. Meanwhile, the M157 can gain an impressive 100-150 horsepower with similar modifications.
Specific Power Gains for M156
With specific aftermarket upgrades, the M156 can achieve the following power gains:
- ECU Tune: +30-50 horsepower
- High-Performance Exhaust: +20-30 horsepower
- Cold Air Intake: +10-15 horsepower
- Supercharger Kit: +100-150 horsepower
Specific Power Gains for M157
The M157, with its turbocharged setup, can see even more dramatic gains:
- ECU Tune: +50-70 horsepower
- High-Performance Exhaust: +30-40 horsepower
- Cold Air Intake: +15-25 horsepower
- Upgraded Intercooler: +20-30 horsepower
Cost Considerations for Upgrades
Cost is an important factor when considering aftermarket upgrades. The M156 may have lower initial costs for upgrades due to its simpler design, while the M157’s turbo components can be more expensive but often provide higher gains.
M156 Upgrade Costs
Typical costs for M156 upgrades include:
- ECU Tune: $500 – $1,500
- High-Performance Exhaust: $1,000 – $2,500
- Cold Air Intake: $300 – $800
- Supercharger Kit: $5,000 – $10,000
M157 Upgrade Costs
For the M157, the costs can be slightly higher:
- ECU Tune: $800 – $2,000
- High-Performance Exhaust: $1,500 – $3,000
- Cold Air Intake: $400 – $1,000
- Upgraded Intercooler: $1,000 – $2,500
Conclusion
In summary, both the M156 and M157 engines offer unique advantages and potential for power gains through aftermarket upgrades. The M156 is known for its naturally aspirated roar and simpler modifications, while the M157 provides a more modern, turbocharged experience with greater power potential. Enthusiasts should consider their goals and budget when deciding on upgrades for either engine.