- Uncategorized- MERCEDES-BENZ E63S W213 ECU Software Upgrade (NorCal Flash)- Vehicle:- Mercedes-Benz E63S AMG W213
 - Power Gains:- Stage 1: +105-115hp / +150-160tq (octane depending)
- Stage 2: +120-130hp / +165-175tq (octane depending)
 - Note: - This purchase is for AMR Performance ECU software and will require the ECU to be flashed by our AMR Performance NorCal Ambassador. - $2,800.00- - 
e63s tune
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