Mercedes SL 280 204
ECU Remapping in Lancaster
Mercedes SL 280 204 in Lancaster. 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
A stage 1 remap lifts the Mercedes SL 280 204 from 204 bhp to 222 bhp, and from 270 Nm to 305 Nm of torque. That is 18 bhp (9%) more power and 35 Nm (13%) more torque from software alone, available in Lancaster.
These are indicative figures for a petrol Mercedes SL-class in good health. Your own results depend on the condition of the car.
Mercedes SL 280 204: remap at a glance
- 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
Petrol Mercedes SL-class: what changes with a remap
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 SL 280 204 compares
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 Lancaster
Remap Experts Lancaster is part of the UK-wide Remap Experts network. We regularly work with drivers in Millom, Ulverston, Seathwaite, Ravenglass and Grange-over-Sands and nearby areas of the North West.
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 Preston, Blackburn and Carlisle, those neighbouring Remap Experts sites can help too.

Want these figures on your Mercedes SL 280 204?
Send your details and a specialist will confirm what is possible for your engine.
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