Cedar PerformanceECU / DME tuning
Gray C192 Mercedes-AMG GT coupe outside an industrial building for Cedar Performance tuning

Mercedes-AMG M177 calibration

2026 Mercedes-AMG GT 55 Coupe Tune

$700

Stage 1: 91 or 93 octane gasoline. Stock hardware. Stage 2: 91 or 93 octane gasoline. Upgraded Exhaust.

Stages3
Pricing$700
Power target540-550 HP / 620 TQ
PlatformM177 C192
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Tune selection

Choose Your Tune

Selected tuneStage 1
Price$700
Power target540-550 HP / 620 TQ
Next stepStart your order

91 or 93 octane gasoline. Stock hardware.

Continue with Stage 1

Power target comparison

Power Targets

2026 Mercedes-AMG AMG GT 55 Coupe M177 power target dyno sheet Cedar Performance Power Target Comparison 0 0 100 100 200 200 300 300 400 400 500 500 600 600 700 700 800 800 900 900 1000 1000 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 469.00 516.00 550.00 620.00 585.00 645.00 845.00 825.00 5.211 Stock · 469.00 HP @ 6.25k 516.00 TQ @ 3.75k Power (hp) Torque (tq) Engine RPM (rpmx1000) 2026 Mercedes-AMG AMG GT 55 Coupe · Cedar Performance
CalibrationHPTQ
STOCK Performance469516
Stage 1 CedarTUNE540-550620
Stage 2 CedarTUNE565-585645
Stage 3 CedarTUNE705-845775-825