EuroPrismCo

2011-2013 Mercedes S500/S550 Performance ECU Tune | W221

$999.99 Tax included. Shipping calculated at checkout.

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Unlock Your S-Class's Full Potential with a Performance-Optimized ECU Tune

Take your 2011-2013 Mercedes S500/S550 to the next level with a EPC Performance ECU Tune, engineered to deliver a complete transformation in drivability. This upgrade isn't just about added power – it's about a sharper, more responsive driving experience that will leave you wanting more.

The Specs:

Fits: 2011 2012 2013 W221 Mercedes S500 S550 Coupe Cabriolet Sedan 4.7L Twin Turbo V8 M278 Engine
Downpipe readiness with check engine light suppression (for off-road use only)
Enhanced exhaust acoustics with extended or adjustable burble
Factory speed governor removal for unrestricted performance
Octane-specific calibration tailored to your fuel quality
Cold start behavior fully configurable (On/Off)
100% Reversible, always able to go back to stock at any time
Stage 1 (Factory Downpipes) & Stage 2 (EPC Performance Downpipes) Tuning available
Tuning Gains: Horsepower Gain: 120 HP Increase, Torque Gain: 150 TQ Increase