Bosch · MED17.7.3

2789031401 2789023200 Bosch MED17.7.3 Mercedes S (4.7 455hp) Original ECU File

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About this file

This is the original ECU file 2789031401 2789023200 for Mercedes S 4.7 455hp: Bosch MED17.7.3, software (SW) 2789023200. To buy it, use Quick buy below — €20 by card, no registration, a ready-to-use .bin file by e-mail — or buy it with a file-service account (register or log in and top up your balance). Also you can find all available options on our platform for emissions removal (DPF, EGR, AdBlue) or improving power with stage 1/2/3 or ECO tuning.

This is an original (stock) read of a Bosch MED17.7.3 control unit. Our catalogue lists it for the Mercedes S 4.7 455hp.

Its numbers in the catalogue: software (SW) number 2789023200 and calibration and SW upgrade number 2789031401.

In our catalogue the software number 2789023200 is on 6 files for 2 vehicles.

All Mercedes S Bosch MED17.7.3 files: 29 in our catalogue.

What you receive

  • The original (stock) read of this ECU, exactly as read — no modifications.
  • A ready-to-use .bin file by e-mail — nothing to unpack or rename.
  • The original read only — no full backups, EEPROM, SGO, VBF or other formats.

Before you order

  • All sales are final. Check HW, SW and calibration against your own read before you buy.
  • Different tools expect different file sizes when writing to the ECU — make sure the file suits your device.

File specifications

Brand name and modelMercedes S
Engine power4700 455HP
Engine code—
ECU brand nameBOSCH
ECU model nameMED17.7.3
ECU hardware—
ECU software2789023200
ECU calibration2789031401
ECU SW upgrade2789031401
Also written asA2789023200 · A 278 902 32 00 · A2789031401 · A 278 903 14 01
Other files with these numbersSW 2789023200

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WinOLS map pack included

Original + map pack

The original .bin and its map pack (CSV) — for WinOLS and compatible software

€60one-off · card payment
  • 308 tuning maps for this software version — Air Control, Spark Advance, Engine Torque, Injection System…
  • X / Y axes labelled correctly, correct factors
  • One ZIP by e-mail: .bin + .csv map pack
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  • Map definitions only — no tuned file, no support
  • All sales are final — check HW / SW before you buy
+€50 bonus

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WinOLS map pack for this file 308 maps

A WinOLS map export (CSV) made for this software version: tuning maps only, with correctly labelled X and Y axes and the correct factor for the data values — no maps for switching off emissions or errors. Maps by category:

Air Control · 63 mapsSpark Advance · 61 mapsEngine Torque · 60 mapsInjection System · 42 mapsTurbo System · 25 mapsLimiters · 21 mapsVariable Valve Timing (VVT) · 19 mapsDeactivations · 17 maps

For example: Airflow mass through throttle valve, Engine load limiter, Limiter of knocking sensor, Minimum Spark Advance, Calculated engine torque, Limiter of Maximum torque, Fuel quantity limiter, Injection correction…

See all 308 maps and buy — €60 All Bosch MED17.7.3 mappacks

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