Mercedes-AMG GLC43 X253/C253 FL Remap & Tuning
Upgrade your Mercedes-AMG GLC43 390HP with professional Stage 1 and Stage 2 ECU tuning from Onyx Performance in Slough, Berkshire. Our bespoke ECU remapping enhances the performance of the 3.0 V6 BiTurbo petrol engine, delivering increased horsepower, torque and throttle response while maintaining smooth everyday drivability.
The Mercedes-AMG GLC43 combines luxury SUV practicality with the performance and character of an AMG V6 BiTurbo engine. Our tailored software upgrades optimise engine performance, providing stronger acceleration, improved torque delivery and a more responsive driving experience.
Mercedes-AMG GLC43 Performance Figures
| Performance | Power (HP) | Torque (Nm) |
|---|---|---|
| Standard Performance | 390 | 520 |
| Stage 1 Remap | 440 | 620 |
| Stage 2 Remap | 470 | 660 |
Stage 1 Remap Price: £499.00
Original Price: £598.80
Stage 2 Remap: Call for a Stage 2 quote
All performance figures are indicative and may vary depending on vehicle condition, fuel quality, modifications and supporting hardware.
Gearbox Tuning
Alongside engine remapping, we offer gearbox tuning to complement your Mercedes-AMG GLC43. 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 GLC43 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 GLC43. 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 GLC43 with a performance exhaust upgrade. We can help you explore exhaust options to complement your vehicle’s V6 BiTurbo engine and tuned performance.
PERFORMANCE UPGRADES
Take your Mercedes-AMG GLC43 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 GLC43 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 GLC43 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 GLC43, contact our team to discuss your requirements.
Frequently Asked Questions
How much power can a Stage 1 remap add to my Mercedes-AMG GLC43?
The standard Mercedes-AMG GLC43 produces 390HP and 520Nm. Our indicative Stage 1 figures are 440HP and 620Nm, offering an increase in power and torque.
How much power can a Stage 2 remap produce?
Our indicative Stage 2 figures are 470HP and 660Nm. Stage 2 tuning may require supporting hardware upgrades, depending on the vehicle’s specification.
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 GLC43 need an ECU unlock?
Your vehicle is listed with a Bosch MED17.7.3.1 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 GLC43? Contact Onyx Performance to discuss your tuning options, pricing and booking availability.
Contact Onyx Performance
Transform your Mercedes-AMG GLC43 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.
