When you bring your vehicle to WestTuned Car Mechanic Center, you can rest easy knowing that your vehicle is in professional hands.
2016-2019 | 577 HP -> 675 HP
Estimated performance improvements
The Mercedes GLS63 2016-2019 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 GLS63 2016-2019 targets safe boost levels, optimised ignition timing and refined fuel maps for a power delivery that inspires confidence.
Stage 1 software pushes your Mercedes GLS63 2016-2019 from the stock 577HP / 561Nm to 675HP / 767Nm — a gain of +98HP, achieved with no hardware modifications required.
Our calibrations are compatible with both stock vehicles and those equipped with aftermarket hardware — intakes, intercoolers, exhausts and more — ensuring maximum performance at every stage of modification.
Choose Westtuned for:
Order your Mercedes GLS63 2016-2019 tuning file from Westtuned today and discover what your engine is truly capable of.