This month, we’re turning our attention to the Mercedes-Benz AMG GT S. A vehicle that perfectly blends breathtaking performance, luxury, and everyday usability, the AMG GT S combines aggressive styling with exceptional engineering and unmistakable AMG character. Designed to deliver supercar-rivalling performance while remaining capable on the road, the AMG GT S has established itself as one of Mercedes-Benz’s most exciting performance cars. Pair that with the addition of a TDI Tuning plug-and-play system, and it becomes an even more responsive, capable, and exhilarating performance machine.

 

Tuning Potential

The car is powered by a twin-turbocharged V8 engine engineered to deliver immense power, rapid acceleration, and strong torque throughout the rev range.

However, like most modern performance vehicles, its engine is governed by factory software calibrated to satisfy global emissions regulations, fuel economy targets, and long-term reliability standards. As a result, there is significant untapped performance potential built into the vehicle from the factory.

With our CRTD4 installed, that hidden potential is unlocked, delivering noticeable increases in both power and torque. The result is stronger acceleration, improved mid-range performance, and enhanced responsiveness overall. The AMG GT S can also benefit from improved efficiency during steady driving conditions, helping reduce fuel consumption without compromising reliability, manufacturer warranties, or safety.

 

 

What We Offer

TDI Tuning specialises in traceless, plug-and-play tuning systems that enhance performance without permanently modifying the vehicle’s ECU. Unlike traditional remapping, which overwrites factory software and leaves a digital footprint, our system can be installed in under an hour, removed at any time, and leaves no trace behind.

This is especially valuable for GT S owners who may have their vehicle on finance or lease agreements. Our system allows you to enjoy enhanced performance while maintaining peace of mind regarding warranty protection, future resale value and traceless, engine-safe modification.

The tuning box integrates seamlessly with the AMG GT S’s engine management system, working in real time to optimise fuel delivery and turbocharger performance. For additional flexibility, our optional Bluetooth app control allows you to adjust performance settings instantly from your smartphone.

With our system installed, the car will see impressive gains over stock, with significantly increased horsepower and torque. We’ve recorded these impressive performance increases; the GT S went from 503 BHP & 649 NM to 563 BHP & 714 NM, transforming it into a vehicle that feels noticeably quicker and even more rewarding to drive every time you get behind the wheel.

 

Performance Gains

The impact of a TDI Tuning system on the vehicle is immediate and highly noticeable. Owners can expect:

• Increased horsepower for stronger acceleration and more effortless overtaking performance, adding over 50 BHP
• Enhanced torque delivery for improved mid-range performance, increasing torque by over 60 NM
• Improved throttle response for sharper and more immediate acceleration
• Potential fuel savings of up to 20% during steady motorway driving

These enhancements transform the car’s driving characteristics, making it feel more engaging and even more rewarding to drive. The additional torque provides greater flexibility through the gears and delivers stronger acceleration at any speed, while smoother power delivery enhances both everyday drivability and spirited performance.

 

 

Additional Benefits

Our traceless installation process ensures complete peace of mind. The system can be removed quickly at any time, returning the vehicle to its factory condition with no evidence of modification.

The optional Bluetooth control app adds further versatility, allowing you to tailor performance to suit your driving style and requirements. Whether you’re prioritising efficiency for daily driving or maximum performance for spirited road use, switching modes is quick and effortless.

 

 

Conclusion

The Mercedes-Benz AMG GT S is already one of the most exciting performance cars in its class, combining breathtaking V8 performance, luxury, technology, and unmistakable AMG styling. When paired with a TDI Tuning system, it becomes an even sharper and more capable machine, delivering enhanced power, improved responsiveness, and greater efficiency without compromising everyday usability.

By unlocking hidden performance, increasing torque, and optimising efficiency, our system enhances every aspect of the driving experience. The result is a Mercedes-AMG GT S that feels faster, sharper, and even more enjoyable, whether you're tackling your favourite roads, enjoying a spirited weekend drive, or simply making the daily commute that little bit more exciting.