2012–2023 Mercedes-Benz C-Class Custom HP Tuners Tuning (C300 / C43 AMG / C63 AMG)

Our HP Tuners custom calibrations for the 2012–2023 Mercedes-Benz C-Class are designed to maximize the performance of the C300, C43 AMG, and C63/C63S AMG platforms. From the efficient turbocharged 2.0L four-cylinder to the twin-turbo V6 and the powerful AMG 4.0L twin-turbo V8, our in-house tuning enhances throttle response, horsepower, torque, and transmission performance while preserving Mercedes-Benz reliability.

Key Features

• Engine Coverage

  • C300 (2012–2023) – 2.0L Turbo I4 (M274 / M264)

  • C43 AMG (2016–2023) – 3.0L Twin-Turbo V6 (M276)

  • C63 / C63S AMG (2015–2023) – 4.0L Twin-Turbo V8 (M177)

• Transmission Support – Calibration available for 7-speed and 9-speed automatics, refining shift speed, torque management, and launch control

• Custom Calibration – Adjustments available for intakes, downpipes, intercoolers, exhaust systems, turbo upgrades, fueling enhancements, and flex-fuel/E85 conversions

• Safe Performance – Tunes built with knock-safe ignition strategies, optimized fueling, and smooth daily drivability

• Remote Tuning – Fully supported via HP Tuners MPVI2 and MPVI3 with secure file exchange and flashing

Benefits

• Faster throttle response with reduced turbo lag

• Increased horsepower and torque across the entire RPM range

• Stronger mid-range acceleration and improved top-end power

• Enhanced transmission behavior for daily driving and track performance

• Reliable calibrations for stock or heavily modified C-Class builds

Compatibility

Custom tuning is available for:

• 2012–2023 Mercedes-Benz C300 (2.0L Turbo M274 / M264)

• 2016–2023 Mercedes-Benz C43 AMG (3.0L Twin-Turbo V6 M276)

• 2015–2023 Mercedes-Benz C63 / C63S AMG (4.0L Twin-Turbo V8 M177)

Process

1. Purchase your C-Class custom tuning package.

2. Use HP Tuners to read your factory ECU calibration.

3. Provide your stock file and list of modifications.

4. Receive a calibration tailored to your build.

5. Flash your tune and enjoy immediate improvements.

Professional Assurance

Every C-Class calibration is developed in-house with a focus on precision, drivability, and reliability. From efficient daily-driven C300s to high-performance AMG builds with upgraded turbos and fueling, our HP Tuners custom tuning delivers consistent, proven results across the entire C-Class lineup.

Meta Description (SEO)

Custom HP Tuners tuning for 2012–2023 Mercedes-Benz C-Class. Support for C300 (2.0T M274/M264), C43 AMG (3.0TT V6), and C63/C63S AMG (4.0TT V8). Improve horsepower, torque, and drivability.