Mercedes-AMG C43 W206 Remap & Tuning
Upgrade your Mercedes-AMG C43 421HP with professional Stage 1 and Stage 2 ECU tuning from Onyx Performance in Slough, Berkshire. Our tuning solutions are designed to enhance the performance of the 2.0T M139 MHEV petrol engine, delivering increased horsepower, torque, sharper throttle response and improved overall drivability.
The W206-generation Mercedes-AMG C43 features the advanced 2.0-litre M139 turbocharged engine with mild-hybrid technology. A professional ECU remap can optimise engine performance and unlock additional power while retaining the vehicle’s everyday usability and driving character.
Mercedes-AMG C43 Performance Figures
| Performance | Power (HP) | Torque (Nm) |
|---|---|---|
| Standard Performance | 421 | 500 |
| Stage 1 Remap | 475 | 560 |
| Stage 2 Remap | 505 | 600 |
Stage 1 Remap Price: £599.00
Original Price: £718.80
Stage 2 Remap: Call for a Stage 2 quote
Performance figures are indicative and can vary depending on vehicle condition, specification, fuel quality and supporting modifications. Individual results may differ.
Gearbox Tuning
Alongside engine tuning, gearbox software optimisation can improve gearshift response, shift behaviour and the overall driving experience. Contact Onyx Performance to discuss the available gearbox tuning options for your Mercedes-AMG C43.
- 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 remapping, we recommend ensuring your Mercedes-AMG C43 is in good mechanical condition. Our team can discuss the vehicle’s current condition, service history and any existing modifications before tuning.
SERVICING AND MAINTENANCE
Regular servicing is essential for maintaining performance and reliability. We recommend keeping up with engine oil, filters, spark plugs and other manufacturer-recommended maintenance to help keep your C43 operating at its best.
EXHAUST UPGRADES
Enhance the sound and character of your Mercedes-AMG C43 with a performance exhaust upgrade. We can discuss exhaust options designed to complement the turbocharged M139 engine and your preferred sound.
PERFORMANCE UPGRADES
Take your C43 further with carefully selected performance enhancements. Depending on your goals and vehicle specification, supporting upgrades can complement ECU tuning and help achieve your desired performance.
STYLING AND BODY UPGRADES
Give your Mercedes-AMG C43 a distinctive appearance with styling and body enhancements. Contact our team to discuss options suited to your vehicle.
VEHICLE SECURITY
Protect your Mercedes-AMG C43 with vehicle security solutions. Onyx Performance can help you explore available security enhancements to provide additional peace of mind.
WHY CHOOSE ONYX PERFORMANCE?
At Onyx Performance, we provide professional vehicle tuning and performance services with a focus on quality, customer service and tailored solutions. Based in Slough, Berkshire, our team can help you choose the right upgrades for your Mercedes-AMG C43.
REMAPPING IN SLOUGH
Onyx Performance provides vehicle remapping and performance upgrades in Slough, Berkshire. Whether you are looking for a Stage 1 remap, Stage 2 tuning, gearbox software or supporting performance modifications, contact our team to discuss your Mercedes-AMG C43.
Frequently Asked Questions
How much power can a Stage 1 remap add to my Mercedes-AMG C43?
The supplied performance figures indicate an increase from the standard 421HP and 500Nm to approximately 475HP and 560Nm with a Stage 1 remap. Actual results can vary depending on vehicle condition and specification.
How much power can a Stage 2 remap produce?
The supplied Stage 2 figures are approximately 505HP and 600Nm. Stage 2 tuning may require supporting hardware modifications, depending on the vehicle and tuning requirements. Contact us for a personalised quote.
Do I need hardware upgrades for Stage 1 or Stage 2?
Stage 1 tuning is generally intended for vehicles with standard hardware, subject to suitability checks. Stage 2 may require supporting hardware upgrades. We can advise following an assessment of your vehicle.
Can I have a gearbox remap with my engine remap?
Yes, gearbox tuning can be discussed alongside your engine remap. Contact us to confirm the available options for your C43.
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 that may be required for your vehicle.
Does my Mercedes-AMG C43 need an ECU unlock?
The supplied ECU information lists Bosch MG1CP002. ECU access and tuning requirements depend on the exact ECU hardware and software version fitted to your vehicle. We recommend verifying the ECU identification before confirming tuning compatibility.
BOOK YOUR REMAP
Contact Onyx Performance to discuss your Mercedes-AMG C43 W206 remap. Our team can help you choose the right tuning option and explain the available performance upgrades.
Contact Onyx Performance
Transform your Mercedes-AMG C43 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.
