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M139 M139 is offline
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Posts: 4
Join Date: Jun 2021
Car: Mercedes-AMG 45S
Default Any JB4 Love for the A45S? - 06-22-2021, 08:55 PM

Hi there,

I had the privilege of using the JB4 with my previous EA888 Audi S3 hatch. It was very stable with just stock components and I worked with George to arrive at a great custom map for it.

Have now moved into a 2021 Mercedes-AMG A45S hatch which I am taking delivery of this week.

I see that there is a JB4 beta for the A35. Are there any plans for a JB4 for the more powerful 45/45S models with the M139 engine? I would be happy to help test and from the look of the CLA/GLA/A forums, there's plenty of people who would pay for it!

Flash tuners for this platform seem to have fallen by the wayside with the difficulties of dealing directly with the Mercedes Bosch MG1 ECU unit. And many would pay quite a lot for moderate gains via piggy back while being able to avoid the ECU/TCU flash route altogether.

Also, and importantly, the M139 engine on which the CL/GL/A 45/45S is based is going to be the petrol engine basis of many of the larger AMGs going forward, including the 2022 C63, so it might be worth having a look now with an eye to the future!

Last edited by M139; 06-22-2021 at 09:44 PM..
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