Mercedes S 320 224(+99)
ECU Tuning in Gwent
Mercedes S 320 224(+99) in Gwent. 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 S 320 224(+99): standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+18 bhp · +8%- Standard224 bhp
- Remapped242 bhp
Torque
+38 Nm · +12%- Standard316 Nm
- Remapped354 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
A stage 1 remap lifts the Mercedes S 320 224(+99) from 224 bhp to 242 bhp, and from 316 Nm to 354 Nm of torque. That is 18 bhp (8%) more power and 38 Nm (12%) more torque from software alone, available in Gwent.
These are indicative figures for a petrol Mercedes S-class in good health. Your own results depend on the condition of the car.
Mercedes S 320 224(+99) remap figures
- Fuel: Petrol
- Standard power: 224 bhp, remapped: 242 bhp (+18 bhp, +8%)
- Standard torque: 316 Nm, remapped: 354 Nm (+38 Nm, +12%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a petrol Mercedes S-class
A petrol remap re-works the engine management calibration: air-fuel ratio, ignition advance and boost where fitted. The result is more power and a more immediate throttle, delivered by software rather than hardware changes.
How the Mercedes S 320 224(+99) compares
Ranked by power gain against the other petrol S-class engines (16 in total), the S 320 224(+99) is 15th, 14 bhp below the S-class petrol average of 32 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 18 bhp and 38 Nm sits below that benchmark.
Mercedes S-class engine tuning in Gwent
Remap Experts has a dedicated Gwent site, so you deal with a local team backed by a national network. We regularly work with drivers in Crumlin, Rassau, Manmoel, Ebbw Vale and Brynmawr and nearby areas of Wales.
All our remaps are fully dyno tested, backed by a 30 day money back guarantee and covered by a lifetime software warranty. Request a quote online or call 0800 779 7864.
If you are closer to Cardiff, Bristol and Midwales, those neighbouring Remap Experts sites can help too.

Ready for ECU tuning on your Mercedes S-class in Gwent?
Send your registration and we will confirm the exact remap, the price and the next available slot.
Included
What we can do for your Mercedes S-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.
Same model
Other S-class engines
- Mercedes S 300 TD 177(-99)diesel
- Mercedes S 300(-99)petrol
- Mercedes S 320 224 BIS 98(-99)petrol
- Mercedes S 320 CDI 197(+99)diesel
- Mercedes S 320 CDI 204(+99)diesel
- Mercedes S 350 245(+99)petrol
- Mercedes S 350 TD(-99)diesel
- Mercedes S 400 CDI 279(+99)diesel
- Mercedes S 430 279 BIS 98(-99)petrol
- Mercedes S 430 279(+99)petrol
- Mercedes S 500 306(+99)petrol
- Mercedes S 55 AMG 612(+99)petrol
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