Mercedes-AMG CLS63 S C218 FL Remap & Tuning
Upgrade your Mercedes-AMG CLS63 S 585HP with professional Stage 1 and Stage 2 ECU tuning from Onyx Performance in Slough, Berkshire. Our ECU remapping services are designed to enhance the performance of the 5.5 V8 BiTurbo M157 petrol engine, delivering increased power, torque and throttle response while maintaining smooth everyday drivability.
The Mercedes-AMG CLS63 S C218 FL combines a powerful twin-turbocharged V8 engine with refined luxury and impressive performance. A professional ECU remap can unlock additional potential from the M157 engine, improving acceleration, mid-range response and overall driving performance.
Mercedes-AMG CLS63 S Performance Figures
| Performance | Power (HP) | Torque (Nm) |
|---|---|---|
| Standard Performance | 585 | 800 |
| Stage 1 Remap | 680 | 900 |
| Stage 2 Remap | 720 | 950 |
Stage 1 Remap Price: £499.00
Original Price: £598.80
Stage 2 Remap: Call for a Stage 2 quote
Performance figures are indicative and can vary depending on vehicle condition, supporting modifications, fuel quality and individual vehicle specifications.
Gearbox Tuning
A gearbox remap can complement your Mercedes-AMG CLS63 S engine remap by refining gear changes, improving shift response and optimising transmission behaviour.
- 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 ECU remapping, we recommend ensuring your Mercedes-AMG CLS63 S is mechanically sound and properly maintained. We check for relevant fault codes and assess the vehicle’s condition before tuning.
SERVICING AND MAINTENANCE
Regular servicing is essential for maintaining the performance and reliability of your Mercedes-AMG CLS63 S. We recommend keeping up with engine oil, filters, spark plugs and other manufacturer-recommended maintenance.
EXHAUST UPGRADES
Enhance the sound and performance of your CLS63 S with an upgraded exhaust system. Options can include performance downpipes, sports exhaust systems and other exhaust enhancements, subject to vehicle compatibility and applicable regulations.
PERFORMANCE UPGRADES
Take your Mercedes-AMG CLS63 S further with supporting performance upgrades. Depending on your goals, available options may include intake improvements, intercooler upgrades and other performance hardware.
STYLING AND BODY UPGRADES
Give your CLS63 S a distinctive appearance with styling enhancements, including exterior styling upgrades and carefully selected body modifications.
VEHICLE SECURITY
Protect your Mercedes-AMG CLS63 S with suitable vehicle security solutions. Ask our team about available options to help improve your vehicle’s security.
WHY CHOOSE ONYX PERFORMANCE?
At Onyx Performance, we provide professional vehicle remapping and performance solutions tailored to your vehicle. Based in Slough, Berkshire, our services include ECU remapping, gearbox tuning, performance upgrades, exhaust enhancements, styling and vehicle security.
REMAPPING IN SLOUGH
Onyx Performance provides Mercedes-AMG CLS63 S remapping in Slough, Berkshire. Whether you want a Stage 1 ECU remap or are considering a Stage 2 performance package, contact our team to discuss your requirements.
Frequently Asked Questions
How much power can a Stage 1 remap add to my Mercedes-AMG CLS63 S?
The standard Mercedes-AMG CLS63 S produces 585HP and 800Nm. Our indicative Stage 1 figures are 680HP and 900Nm, subject to vehicle condition and setup.
How much power can a Stage 2 remap produce?
The indicative Stage 2 figures are 720HP and 950Nm. Supporting hardware may be required, depending on the chosen setup. Contact us for a Stage 2 quote.
Do I need hardware upgrades for Stage 1 or Stage 2?
A Stage 1 remap is generally designed around a standard vehicle in good mechanical condition. Stage 2 tuning may require supporting hardware, depending on the specification and performance target.
Can I have a gearbox remap with my engine remap?
Yes. A gearbox remap can complement your engine remap. Contact us for available gearbox tuning options and pricing.
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?
Please contact Onyx Performance to discuss your performance goals and whether a suitable Stage 3 package is available for your Mercedes-AMG CLS63 S.
Does my Mercedes-AMG CLS63 S need an ECU unlock?
This model is listed with Bosch MED17.7.1 / MED17.7.5 ECUs. ECU access requirements can depend on the specific ECU hardware and software version, so we recommend confirming compatibility before booking.
BOOK YOUR REMAP
Contact Onyx Performance to discuss your Mercedes-AMG CLS63 S C218 FL remap. Our team can help you choose the right tuning option for your vehicle and performance goals.
Contact Onyx Performance
Transform your Mercedes-AMG CLS63 S C218 FL 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.
