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Mercedes · Cars & LCV

Mercedes GLS X166 tune files, remaps & software solutions

4 engines · 2016–2016 · 13 ECU/TCU types · files for Autotuner, KESS3, Flex, Dimsport DFOX / New Genius, PCMflash, MMCFlash, BitBox and more

Custom files for the Mercedes GLS X166 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.

Mercedes GLS X166 350 BlueTec (3.0) diesel

Years2016
Stock power258 hp
Stock torque620 Nm
ECU / TCU types8
Stage 1 — typical+20% power / +28% torque → ~310 hp / 795 Nm

Controllers and read methods

  • Bosch DCU17PC01 TC1766 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCH
  • Bosch DCU17PC42 TC1724 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD
  • Bosch EDC17CP10 TC1796 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOTOBD
  • Bosch EDC17CP46 TC1797 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOTOBD
  • Bosch EDC17CP57 TC1793 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOTDATALOGSOBD
  • Continental VGS4-NAG2 TCU TC1767 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxOBD
  • Delphi CPC2 TC1793, TC1797 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBOOT
  • Siemens VGSx-NAG2 TCU TC1767 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxOBD

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 GLS X166 400 EU6 (3.0T) petrol

Years2016
Stock power333 hp
Stock torque480 Nm
ECU / TCU types4
Stage 1 — typical+15% power / +20% torque → ~385 hp / 575 Nm

Controllers and read methods

  • Bosch MED17.7.3.1 TC1797 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOTDATALOGSOBD
  • Bosch MG1CP002 SPC5777M AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBENCH-PATCHBENCH (REMOTE UNLOCK)DATALOGS
  • Bosch VGS-NAG3 TCU SH72560 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD
  • Continental VGS4-NAG2 TCU TC1767 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxOBD

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 GLS X166 500 EU6 (4.7T) petrol

Years2016
Stock power455 hp
Stock torque700 Nm
ECU / TCU types2
Stage 1 — typical+15% power / +20% torque → ~525 hp / 840 Nm

Controllers and read methods

  • Bosch MED17.7.1 TC1797 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOTDATALOGSOBD
  • Bosch MED17.7.3 TC1797 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOTDATALOGSOBD

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 GLS X166 63 AMG (5.5T) petrol

Years2016
Stock power585 hp
Stock torque900 Nm
ECU / TCU types2
Stage 1 — typical+15% power / +20% torque → ~675 hp / 1080 Nm

Controllers and read methods

  • Bosch MED17.7.3 TC1797 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOTDATALOGSOBD
  • Siemens VGSx-NAG2 TCU TC1767 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxOBD

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 GLS X166 FAQ

Do you have a tune file for the Mercedes GLS X166?

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 GLS X166 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 GLS X166 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.

Send your Mercedes GLS X166 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).

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.