Cedar PerformanceECU / DME tuning
Red R232 Mercedes-AMG SL roadster in full side profile against open scrub terrain

Mercedes-AMG M177 calibration

2025 Mercedes-AMG SL55 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 R232
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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

2025 Mercedes-AMG SL55 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) 2025 Mercedes-AMG SL55 · Cedar Performance
CalibrationHPTQ
STOCK Performance469516
Stage 1 CedarTUNE540-550620
Stage 2 CedarTUNE565-585645
Stage 3 CedarTUNE705-845775-825