Tuning: 2017 Mercedes-Benz C43 AMG – AMR Performance Reviews amr performance c43   Customer: German Power Plot:   Modifications: AMR Performance (www.amrperformance.com) custom tuning   Description: German’s 2017 Mercedes-Benz C43 AMG in for an AMR Performance Stage 1 ECU Software Upgrade (tune). Base line dyno pulls show the vehicle putting […]