Autotuner Update Benz MG1CP004 Mail-in Unlocking

By | July 8, 2026

THE NEW ERA OF MERCEDES-AMG: Bosch MG1CP004 goes live on Bench after Mail-in Unlock!
Tuning for Affalterbach’s latest high-tech electrified drivetrains hits a major milestone on your AutoTuner Tool! Take ultimate control over the modern F1-derived electric turbocharger AMG platform.
From the snappy C 43 MHEV to the absolute rocketship that is the 680 hp C 63 S E-Performance, it’s time to unlock next-level upgrades for a cutting-edge premium fleet!
Process: Bench (After Mail-in Unlock)
Target Engines: AMG 43 MHEV & 63 S E-Performance (PHEV configurations)
Safety first: Full reading & flashing right on your workbench—no ECU opening required.

Next-Gen Fleet Support:

  • Mercedes-AMG C-Class: C 43 & C 63 S E-Performance
  • Mercedes-AMG GLC: GLC 43 & GLC 63 S E-Performance
  • Mercedes-AMG GT & SL: GT 43 & SL 43 MHEV

Just send the ECU to our facility for a secure hardware unlock. Once it’s back at your shop, confidently flash in Bench mode using your Tool!

Key Features:
Type: Engine Control Unit (ECU)
Mode: BENCH NR
MCU: TC389
Read time: 2min
Write time: 1min
Checksums correction
Backup creation
Mail-in unlock needed

Compatibility List*:
Mercedes Models: AMG GT (2023) / C (2021) / GLC (2023) / SL (2021)
Mercedes Engines: 43 AMG MHEV / 63 AMG S E-performance
*The list may evolve over time.

autotuner benz mg1cp004 mail in unlocking