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Chiptuning files » ECU and TCU » Bosch MG1CP777 » Checksum Correction

Checksum Correction for Bosch MG1CP777

The checksums of the file are recalculated so the control unit accepts the modified software.

Checksum Correction files for vehicles with Bosch MG1CP777

9 of the 13 vehicles with this unit

Vehicle	Generation	Fuel	Power
A / A Berline 220 (2.0T)	W177 05/2018 10/2022	Petrol	190 hp
A / A Berline 250 (2.0T)	W177 05/2018 10/2022	Petrol	224 hp
A / A Berline 35 AMG	W177 05/2018 10/2022	Petrol	306 hp
CLA 220 (2.0T)	C118 2019 - 2023	Petrol	190 hp
CLA 250 (2.0T)	C118 2019 - 2023	Petrol	224 hp
CLA 35 AMG	C118 2019 - 2023	Petrol	306 hp
GLA 220 (2.0T)	H247 - Phase 1 2020 - 2023	Petrol	190 hp
GLA 250 (2.0T)	H247 - Phase 1 2020 - 2023	Petrol	224 hp
GLA 35 AMG	H247 - Phase 1 2020 - 2023	Petrol	306 hp

Other modifications for Bosch MG1CP777

Engine performance

Stage 1 Stage 2 BASE E85 or other special fuels modification Flex fuel mod for E85 or other fuel types

Sound and driving

Pops and bangs Hardcut limiter Exhaust flap control/off Start/Stop System Off VMAX speedlimit on/off higher/lower

Deactivations and fixes

DTC off Catalyst off DPF/OPF/GPF off Readiness ok

Results vary per vehicle, and what is possible can differ per software version. This applies to every modification we deliver, for the ECU and for the TCU. Upload your original file to check what is available for your vehicle.

Read tools

Autotuner: Bench after remote unlock
PCMflash: Boot

Also listed: Alientech KESS3, Alientech K-TAG, Flashtec CMD, Dimsport New Trasdata, bFlash, ByteShooter Toolbox.

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Checksum Correction for other units

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