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2012-2018 | 321 HP -> 440 HP
Estimated performance improvements
The Mercedes SL65 2012-2018 is an exceptional platform — and with Westtuned custom ECU software, you can unlock performance that the factory left on the table. Our team of experienced calibrators fine-tune every parameter to maximize power output, throttle response and torque delivery.
Built on thousands of hours of dyno time and real-world testing, our Stage 1 software for the Mercedes SL65 2012-2018 targets safe boost levels, optimised ignition timing and refined fuel maps for a power delivery that inspires confidence.
Stage 1 software pushes your Mercedes SL65 2012-2018 from the stock 321HP / 738Nm to 440HP / 905Nm — a gain of +119HP, achieved with no hardware modifications required.
Whether your Mercedes SL65 2012-2018 is running stock hardware or upgraded with intakes, downpipes or a performance exhaust, our software is optimised to suit your exact build.
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Order your Mercedes SL65 2012-2018 tuning file from Westtuned today and discover what your engine is truly capable of.
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