Mercedes C43 (2015-2018) Custom ECU Tune


Tuning Stage
  • Brand: 412 Motorsport
  • Availability: In Stock

Experience Unmatched Power Gains:

Factory: 362 HP / 384 lb-ft
Stage 1 Tune: 430 HP / 460 lb-ft |+68 HP / +76 lb-ft(18.8% / 19.8%)
Stage 2 Tune:460 HP / 475 lb-ft |+98 HP / +91 lb-ft(27.1% / 23.7%)

Simply plug in & upgrade your ECU

We will ship you one of our My Genius handheld devices to make power boosts a plug-and-play affair. Only a Windows 7+ PC is needed to swap files - everything else, from the handheld devices to to instructions, is in the box!


  • - Extend or add burble
  • - Calibrate the tune for your octane rating
  • - Perfect the tune for every additional upgrade on the vehicle
  • - Top speed limiter removal
  • - Check engine light removal for downpipes (Stage 2 & For off-road use only)
  • - Cold start delete - On/Off

The Perfect Tune, Guaranteed:

Unmatched 30-Day Performance Guarantee: 100% satisfaction or your money back.

Switch Back Anytime:

We ensure your original ECU settings are saved, allowing you to revert anytime.

Have a Question?

If you have any questions or concerns, don't hesitate to reach out to us via email at or contact us at any time using our convenient 24/7 Chat Widget below.

** Note: All tunes are for race purposes only