Mercedes Cl 63 AMG 525(+06)
ECU Remapping in Northampton
Mercedes Cl 63 AMG 525(+06) in Northampton. Standard and remapped figures for this exact engine.

- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
- UK-wide local network
Remap stats
Mercedes Cl 63 AMG 525(+06): standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+43 bhp · +8%- Standard525 bhp
- Remapped568 bhp
Torque
+60 Nm · +10%- Standard630 Nm
- Remapped690 Nm
Tuning figures are indicative estimates, not guaranteed results. Actual results depend on the condition of the vehicle.
Prices from £130
Fully dyno tested | 30 day money back guarantee | Lifetime software warranty
Owners of the Mercedes Cl 63 AMG 525(+06) in Northampton can expect a stage 1 remap to take it from 525 to 568 bhp and from 630 to 690 Nm, an extra 43 bhp (8%) and 60 Nm (10%).
The figures above are estimates for a standard, well-maintained Mercedes CL-class petrol; they are not a guarantee of any particular result.
Mercedes Cl 63 AMG 525(+06) remap figures
- Fuel: Petrol
- Standard power: 525 bhp, remapped: 568 bhp (+43 bhp, +8%)
- Standard torque: 630 Nm, remapped: 690 Nm (+60 Nm, +10%)
- Service: stage 1 ECU remap, fully dyno tested
How ECU remapping works on a petrol Mercedes CL-class
Petrol engines are remapped by refining fuelling, ignition timing and, on turbocharged engines, boost control. Done carefully this releases performance the manufacturer left in reserve, giving sharper throttle response and a stronger top end.
How the Mercedes Cl 63 AMG 525(+06) compares
Ranked by power gain against the other petrol CL-class engines (8 in total), the Cl 63 AMG 525(+06) is 6th, 10 bhp below the CL-class petrol average of 53 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 43 bhp and 60 Nm sits at or above that benchmark.
Mercedes CL-class ECU tuning in Northampton
Based around Northampton, our team serves local drivers as part of the nationwide Remap Experts network. We regularly work with drivers in Newport Pagnell, Towcester, Silverstone, Rushden and Market Harborough and nearby areas of the East Midlands.
Each remap is dyno tested before it is signed off, and is protected by a 30 day money back guarantee and a lifetime software warranty. Ask for a quote online or by phone.
If you are closer to Leicester, Milton Keynes and Coventry, those neighbouring Remap Experts sites can help too.

Want these figures on your Mercedes Cl 63 AMG 525(+06)?
Send your details and a specialist will confirm what is possible for your engine.
Included
What we can do for your Mercedes CL-class
Stage 1 ECU remap
Add power and torque and improve driveability. Software only, tailored to your engine.
ECU repair and testing
Is your engine control unit playing up? We can arrange testing and repair, and source replacement ECUs.
DPF and EGR fault repair
Persistent DPF or EGR errors diagnosed and resolved in accordance with all current road-legal standards.
Engine carbon cleaning
Fault finding and carbon cleaning for the inside of your engine, typically completed in a couple of hours.
From quote to remapped in four steps
No jargon and no pressure. Here is exactly what happens.
- 01
Find your vehicle
Choose your make, model and engine to see the standard and remapped power and torque for your car.
- 02
Request a quote
Send your details and we contact you by SMS or call back with a quote. No obligation.
- 03
Book with your local site
Your local Remap Experts site arranges the remap and answers any questions about your car.
- 04
Remapped and dyno tested
Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.
Everything you need to know
Plain-English guides to how remapping works, what it does and what to check first.
- 6 min read
What is ECU remapping?
The engine control unit, what a remap changes, and who it suits.
Read guide - 5 min read
The benefits of ECU remapping
More torque, better driveability and the potential for better economy.
Read guide - 6 min read
How ECU remapping works, step by step
From reading the original software to the dyno test.
Read guide