Mercedes SL 280 204
ECU Remapping Merseyside
Mercedes SL 280 204 in Merseyside. 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 SL 280 204: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+18 bhp · +9%- Standard204 bhp
- Remapped222 bhp
Torque
+35 Nm · +13%- Standard270 Nm
- Remapped305 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
Looking for ECU remapping for your Mercedes SL 280 204 in Merseyside? Standard it makes 204 bhp and 270 Nm. With a stage 1 remap our figures show 222 bhp and 305 Nm, an extra 18 bhp (9%) and 35 Nm (13%).
Figures are indicative stage 1 estimates for a healthy petrol Mercedes SL-class; results vary with the condition of the vehicle.
Mercedes SL 280 204 power and torque after remapping
- Fuel: Petrol
- Standard power: 204 bhp, remapped: 222 bhp (+18 bhp, +9%)
- Standard torque: 270 Nm, remapped: 305 Nm (+35 Nm, +13%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a petrol Mercedes SL-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.
Mercedes SL 280 204 against other SL-class engines
Ranked by power gain against the other petrol SL-class engines (11 in total), the SL 280 204 is 9th, 10 bhp below the SL-class petrol average of 28 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 18 bhp and 35 Nm sits below that benchmark.
Remapping your Mercedes SL-class in Merseyside
Drivers in Merseyside book through the Merseyside Remap Experts site, one of our local sites across the UK. We regularly work with drivers in Kirkby, Southport, Skelsmersdale, Knowsley and Halsall and nearby areas of the North West.
You get a fully dyno tested remap, a 30 day money back guarantee and a lifetime software warranty with every job. Get your quote today on 0800 779 7864.
If you are closer to Liverpool, Warrington and Cheshire, those neighbouring Remap Experts sites can help too.

Want these figures on your Mercedes SL 280 204?
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 SL-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 SL-class engines
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