Mercedes SLK 280 231(+04)
ECU Remapping
Mercedes SLK 280 231(+04). 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 SLK 280 231(+04): standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+19 bhp · +8%- Standard231 bhp
- Remapped250 bhp
Torque
+35 Nm · +12%- Standard300 Nm
- Remapped335 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 SLK 280 231(+04) across the UK can expect a stage 1 remap to take it from 231 to 250 bhp and from 300 to 335 Nm, an extra 19 bhp (8%) and 35 Nm (12%).
The figures above are estimates for a standard, well-maintained Mercedes SLK-class petrol; they are not a guarantee of any particular result.
Mercedes SLK 280 231(+04): remap at a glance
- Fuel: Petrol
- Standard power: 231 bhp, remapped: 250 bhp (+19 bhp, +8%)
- Standard torque: 300 Nm, remapped: 335 Nm (+35 Nm, +12%)
- Service: stage 1 ECU remap, fully dyno tested
Petrol Mercedes SLK-class: what changes with a remap
With a petrol engine the remap works through the ECU's ignition, fuelling and turbo boost tables. Re-calibrating them within safe limits releases power that is already there, rather than adding anything to the engine.
How the Mercedes SLK 280 231(+04) compares
Of the 10 petrol SLK-class engines in our data, this one comes 9th for power gain, which is 9 bhp below the SLK-class petrol average of 28 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 19 bhp and 35 Nm sits below that benchmark.
Book engine tuning for your Mercedes SLK-class
Remap Experts is a UK network of local remapping sites. Use Find a Local Tuner to reach your nearest site and get an exact quote.
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.

Ready for ECU remapping on your Mercedes SLK-class?
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 SLK-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 SLK-class engines
- Mercedes SLK 200 136petrol
- Mercedes SLK 200 Kompressor 1.8 163(+04)petrol
- Mercedes SLK 200 Kompressor 163petrol
- Mercedes SLK 230 Kompressor 193petrol
- Mercedes SLK 230 Kompressor 197petrol
- Mercedes SLK 32 AMG 354petrol
- Mercedes SLK 320 218petrol
- Mercedes SLK 350 V6 272(+04)petrol
- Mercedes SLK 55 AMG 360(+04)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