Supported vehicles › Mercedes › R W251-FL
Mercedes · Cars & LCV
Mercedes R W251-FL tune files, remaps & software solutions
3 engines · 2011–2011 · 7 ECU/TCU types · files for Autotuner, KESS3, Flex, Dimsport DFOX / New Genius, PCMflash, MMCFlash, BitBox and more
Custom files for the Mercedes R W251-FL 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 R W251-FL 320 (3.0T) petrol
Controllers and read methods
- Bosch MED17.7.3.1 TC1797 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOTDATALOGSOBD
- 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 R W251-FL 350 (3.5i) petrol
Controllers and read methods
- Bosch MED17.7.1 TC1797 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOTDATALOGSOBD
- Bosch MED17.7.3 TC1797 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOTDATALOGSOBD
- Continental VGS4-NAG2 TCU TC1767 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxOBD
- 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 R W251-FL 400 EU6 (3.0T) petrol
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 R W251-FL FAQ
Do you have a tune file for the Mercedes R W251-FL?
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 R W251-FL 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 R W251-FL 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 R W251-FL 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.