Mercedes-AMG A45 S W177 Remap & Tuning
Upgrade your Mercedes-AMG A45 S 421HP with professional Stage 1 and Stage 2 ECU tuning from Onyx Performance in Slough, Berkshire. Our bespoke ECU remapping is designed to enhance the performance of the 2.0T M139 petrol engine, with the potential for increased horsepower, torque and throttle response while maintaining smooth everyday drivability.
The Mercedes-AMG A45 S combines compact hatchback practicality with impressive AMG performance. With its advanced 2.0-litre turbocharged engine, it offers an excellent platform for performance tuning. Final tuning figures depend on the vehicle’s specification, ECU software and the calibration selected.
Mercedes-AMG A45 S Performance Figures
| Performance | Power (HP) | Torque (Nm) |
|---|---|---|
| Standard Performance | 421 | 500 |
| Stage 1 Remap | TBC | TBC |
| Stage 2 Remap | TBC | TBC |
Stage 1 Remap Price: £499.00
Original Price: £598.80
Stage 2 Remap: Call for a Stage 2 quote
Stage 1 and Stage 2 performance figures are currently TBC. Final results may vary depending on vehicle condition, fuel quality, ECU software and supporting hardware.
Gearbox Tuning
Alongside engine remapping, we offer gearbox tuning to complement your Mercedes-AMG A45 S. A gearbox remap can improve shift response, optimise gear changes and enhance the overall driving experience.
- Stage 1 Gearbox Remap: Contact for Price
- Stage 2 Gearbox Remap: Contact for Price
- Stage 3 Gearbox Remap: Contact for Price
BEFORE TUNING
Before carrying out any performance tuning, we recommend a full vehicle health check to ensure your Mercedes-AMG A45 S is operating correctly. Our team checks for diagnostic faults and assesses the engine and supporting systems before tuning begins.
SERVICING AND MAINTENANCE
Regular servicing is essential for maintaining the performance and reliability of your Mercedes-AMG A45 S. We recommend keeping up with engine oil, filters, spark plugs and other scheduled maintenance to help support increased performance.
EXHAUST UPGRADES
Enhance the sound and character of your Mercedes-AMG A45 S with a performance exhaust upgrade. We can help you explore exhaust options to complement your vehicle’s M139 engine and tuned performance.
PERFORMANCE UPGRADES
Take your Mercedes-AMG A45 S further with carefully selected performance enhancements. Depending on your goals and supporting modifications, we can discuss hardware upgrades to complement your ECU remap.
STYLING AND BODY UPGRADES
Personalise your Mercedes-AMG A45 S with styling enhancements designed to complement its AMG appearance. Speak to our team about available styling and body upgrades.
VEHICLE SECURITY
Protect your Mercedes-AMG A45 S with vehicle security solutions from Onyx Performance. Our team can discuss suitable security enhancements to help protect your vehicle.
WHY CHOOSE ONYX PERFORMANCE?
At Onyx Performance, we provide professional vehicle tuning and performance upgrades tailored to your vehicle. Based in Slough, Berkshire, our team focuses on delivering carefully calibrated software, knowledgeable advice and a service suited to your performance goals.
REMAPPING IN SLOUGH
Onyx Performance provides ECU remapping and vehicle tuning in Slough, Berkshire. Whether you want a Stage 1 upgrade or are considering Stage 2 tuning for your Mercedes-AMG A45 S, contact our team to discuss your requirements.
Frequently Asked Questions
How much power can a Stage 1 remap add to my Mercedes-AMG A45 S?
The standard Mercedes-AMG A45 S produces 421HP and 500Nm. Stage 1 tuning figures are currently TBC and will depend on the vehicle’s ECU software and tuning calibration.
How much power can a Stage 2 remap produce?
Stage 2 performance figures are currently TBC. The final results will depend on the supporting hardware, vehicle specification and calibration.
Do I need hardware upgrades for Stage 1 or Stage 2?
Stage 1 tuning is generally designed around the standard vehicle hardware, provided the vehicle is in good condition. Stage 2 may require supporting modifications to achieve the intended results safely and reliably.
Can I have a gearbox remap with my engine remap?
Yes. Gearbox tuning can complement your engine remap by improving shift response and gear-change characteristics. Contact us to discuss the available options for your vehicle.
Can I have a dyno session?
Yes. We offer dyno sessions for £120.00 to help assess your vehicle’s performance.
Do you offer Stage 3 tuning?
Contact Onyx Performance to discuss Stage 3 tuning and the supporting modifications required for your performance goals.
Does my Mercedes-AMG A45 S need an ECU unlock?
Your vehicle is listed with a Bosch MG1CP002 ECU. ECU access and any unlock requirements depend on the specific ECU hardware and software version fitted to your vehicle. We recommend confirming the ECU identification before tuning.
BOOK YOUR REMAP
Ready to enhance your Mercedes-AMG A45 S? Contact Onyx Performance to discuss your tuning options, pricing and booking availability.
Contact Onyx Performance
Transform your Mercedes-AMG A45 S today with Onyx Performance. Whether you’re looking for Stage 1 or Stage 2 remapping, performance exhaust systems, styling enhancements, or vehicle security solutions, our expert team is here to help.
