Bosch MED17.7.7 ECU chip tuning: Bosch petrol ECU on a Tricore core — TFSI/TSI/MED, direct injection. In the CHIPOK database this unit is found only on Mercedes (28 modifications). Supported: Stage 1/2 Project-Id-Version: ECUTools Online 1.0 Report-Msgid-Bugs-To: POT-Creation-Date: 2026-07-01 14:20+0300 PO-Revision-Date: 2025-01-02 12:00+0000 Last-Translator: Language: en Language-Team: English Plural-Forms: nplurals=2; plural=(n != 1); MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Generated-By: Babel 2.18.0, removal of the EGR valve / SCR/AdBlue / the lambda sensors / the EVAP system, swirl-flap removal, the Pops & Bangs effect, VMAX Off, DTC clearing, Reset to Stock, Engine Temperature Fix and cold-start deactivation. Programmers: KESS3, KTAG, FoxFlash, BitBox, BDM100.
The Bosch MED17.7.7 is used across 1 brand: Mercedes (28). 28 engines in total in the database.
On the Bosch MED17.7.7 the following are available: STAGE 2, COLD START OFF, NOx OFF, EGR OFF, STAGE 1, FLAPS OFF, DTC OFF, VMAX OFF, POP AND BANGS, EVAP OFF. All options combine in the calculator with the package Max Price cap.
To flash the Bosch MED17.7.7 the following is used: KESS3 (OBD bootloader), Autotuner, MPPS V21, KTAG (Bench for Tricore), Trasdata, CMD Flash. CHIPOK accepts .bin/.hex/.ori from any of the listed programmers.
Stage 1 on the petrol Bosch MED17.7.7 reprograms ignition timing, lambda target, boost target and wastegate duty (on turbo), throttle response, VANOS/VVT phase, torque limiter.
Bosch MED17.7.7 calibration requires a full read of the unit — bin/hex/ori. Programmers: KESS3, Autotuner, FoxFlash, KT200. Checksums — on the engineer's side.
Reading and writing over OBD take 25-30 minutes. Bench reading requires opening the unit — about 60 minutes. Remote processing of a Bosch MED17.7.7 file at CHIPOK — 5-30 minutes.
The price of Bosch MED17.7.7 calibration depends on the selected options: Stage 1/2, DPF/EGR/AdBlue off, DTC off. The Max Price cap limits the package total. Paid with CHIPOK credits (1 cr = 1 €).