Mercedes-AMG GLA45 | ECU Tunes

GLA45 AMG ECU tunes for the M139 2.0T I4 (H247) — Stage 1 and Stage 2 calibrations via remote OBD flash. The GLA45 S runs the same M139 as the A45 S and CLA45 S with platform-specific torque vectoring maps. Expect 40–80 WHP gains depending on stage. Pair with a downpipe and intercooler for Stage 2.