Supported vehicles › Mercedes › GLC X254

Mercedes · Cars & LCV

Mercedes GLC X254 tune files, remaps & software solutions

17 engines · 2023–2023 · 6 ECU/TCU types · files for Autotuner, KESS3, Flex, Dimsport DFOX / New Genius, PCMflash, MMCFlash, BitBox and more

Custom files for the Mercedes GLC X254 built in WinOLS from your own read — not a generic file pulled from a database. Send the read from your tool and Josh builds the calibration for your exact software version, usually back within 10–20 minutes during file-service hours (9am–9pm Mon–Sat AEST), and supports it afterwards. Typical Stage 1 figures are shown per engine below and confirmed per calibration.

WhatsApp 0466 659 997
Check availability at tacfiles.com

Mercedes GLC X254 200 EU6 petrol

Years2023
Stock power204 hp
Stock torque320 Nm
ECU / TCU types1
Stage 1 — typical+5% power / +5% torque → ~215 hp / 335 Nm

Controllers and read methods

  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 200 MHEV petrol

Years2023
Stock power204 hp
Stock torque320 Nm
ECU / TCU types2
Stage 1 — typical+5% power / +5% torque → ~215 hp / 335 Nm

Controllers and read methods

  • Bosch MG1CS100 TC389 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 200d MHEV diesel

Years2023
Stock power163 hp
Stock torque380 Nm
ECU / TCU types2
Stage 1 — typical+20% power / +28% torque → ~195 hp / 485 Nm

Controllers and read methods

  • Bosch MD1CP010 TC389 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch MD1CP011 TC387 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Towing and economy files
  • DPF, EGR and AdBlue software solutions, DTC work
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 220d MHEV diesel

Years2023
Stock power197 hp
Stock torque440 Nm
ECU / TCU types2
Stage 1 — typical+20% power / +28% torque → ~235 hp / 565 Nm

Controllers and read methods

  • Bosch MD1CP010 TC389 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch MD1CP011 TC387 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Towing and economy files
  • DPF, EGR and AdBlue software solutions, DTC work
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 260 MHEV petrol

Years2023
Stock power204 hp
Stock torque320 Nm
ECU / TCU types2
Stage 1 — typical+5% power / +5% torque → ~215 hp / 335 Nm

Controllers and read methods

  • Bosch MG1CS100 TC389 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 300 EU6 petrol

Years2023
Stock power258 hp
Stock torque400 Nm
ECU / TCU types1
Stage 1 — typical+5% power / +5% torque → ~270 hp / 420 Nm

Controllers and read methods

  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 300 MHEV petrol

Years2023
Stock power258 hp
Stock torque400 Nm
ECU / TCU types2
Stage 1 — typical+5% power / +5% torque → ~270 hp / 420 Nm

Controllers and read methods

  • Bosch MG1CS100 TC389 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 300d MHEV diesel

Years2023
Stock power265 hp
Stock torque550 Nm
ECU / TCU types3
Stage 1 — typical+20% power / +28% torque → ~320 hp / 705 Nm

Controllers and read methods

  • Bosch MD1CP010 TC389 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch MD1CP011 TC387 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Towing and economy files
  • DPF, EGR and AdBlue software solutions, DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 300de hybrid_diesel

Years2023
Stock power335 hp
Stock torque750 Nm
ECU / TCU types1
Stage 1 — typical+20% power / +28% torque → ~400 hp / 960 Nm

Controllers and read methods

  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Towing and economy files
  • DPF, EGR and AdBlue software solutions, DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 300de PHEV hybrid_diesel

Years2023
Stock power313 hp
Stock torque700 Nm
ECU / TCU types3
Stage 1 — typical+20% power / +28% torque → ~375 hp / 895 Nm

Controllers and read methods

  • Bosch MD1CP010 TC389 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch MD1CP011 TC387 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Towing and economy files
  • DPF, EGR and AdBlue software solutions, DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 300e hybrid_petrol

Years2023
Stock power313 hp
Stock torque550 Nm
ECU / TCU types1
Stage 1 — typical+5% power / +5% torque → ~330 hp / 580 Nm

Controllers and read methods

  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 300e PHEV hybrid_petrol

Years2023
Stock power313 hp
Stock torque550 Nm
ECU / TCU types2
Stage 1 — typical+5% power / +5% torque → ~330 hp / 580 Nm

Controllers and read methods

  • Bosch MG1CS100 TC389 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 350e PHEV hybrid_petrol

Years2023
Stock power313 hp
Stock torque550 Nm
ECU / TCU types2
Stage 1 — typical+5% power / +5% torque → ~330 hp / 580 Nm

Controllers and read methods

  • Bosch MG1CS100 TC389 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 400e PHEV hybrid_petrol

Years2023
Stock power381 hp
Stock torque650 Nm
ECU / TCU types2
Stage 1 — typical+5% power / +5% torque → ~400 hp / 685 Nm

Controllers and read methods

  • Bosch MG1CS100 TC389 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 43 AMG MHEV petrol

Years2023
Stock power381 hp
Stock torque480 Nm
ECU / TCU types2
Stage 1 — typical+5% power / +5% torque → ~400 hp / 505 Nm

Controllers and read methods

  • Bosch MG1CP004 TC389 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 53 AMG MHEV petrol

Years2023
Stock power449 hp
Stock torque560 Nm
ECU / TCU types2
Stage 1 — typical+5% power / +5% torque → ~470 hp / 590 Nm

Controllers and read methods

  • Bosch MG1CS046 TC389 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)
  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • TCU shift-point, lock-up and torque-management tuning matched to the engine file
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 63 AMG S E-performance hybrid_petrol

Years2023
Stock power680 hp
Stock torque1030 Nm
ECU / TCU types1
Stage 1 — typical+5% power / +5% torque → ~715 hp / 1080 Nm

Controllers and read methods

  • Bosch MG1CP004 TC389 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH (REMOTE UNLOCK)

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • WinOLS map packs and DAMOS where we hold our own definitions

Mercedes GLC X254 FAQ

Do you have a tune file for the Mercedes GLC X254?

Yes — for every engine and ECU listed above. Files are built from your own read in WinOLS for your exact software version, not supplied from a generic database.

How do I get a Mercedes GLC X254 file?

WhatsApp the read to 0466 659 997 with the engine, ECU, your tool and what you want, or upload it at tacfiles.com for an automated return where a matching project exists.

What gains will a Mercedes GLC X254 Stage 1 give?

Typical Stage 1 figures are shown on each engine card above — measured on our dyno where marked, otherwise the typical gain for that engine class. Final numbers depend on the calibration and hardware, so we confirm per file. Reliability comes first — files stay inside what the engine, injectors and cooling handle comfortably.

Related

All Mercedes modelsAll supported vehiclesSupported ECU typesFor tuners & workshopsTune file service

Send your Mercedes GLC X254 read

WhatsApp 0466 659 997 with the engine, ECU, your tool and what you want. Hand-built files typically return in 10–20 minutes during file-service hours (9am–9pm Mon–Sat AEST).

WhatsApp 0466 659 997
Check availability at tacfiles.com

Vehicle, ECU and read-method data compiled from the published compatibility lists of the flashing tools we work with (files are returned for Autotuner, KESS3, Flex, DFOX, PCMflash, bFlash, BitBox and more). Stock figures are manufacturer-published values as listed by those tools and may vary by market. All tuning files are intended for off-road, motorsport, agricultural or commercial use only; it is the responsibility of the vehicle owner to ensure compliance with local regulations.