Mercedes SL 300 231
ECU Remapping
Mercedes SL 300 231. 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 300 231: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+32 bhp · +14%- Standard231 bhp
- Remapped263 bhp
Torque
+36 Nm · +13%- Standard272 Nm
- Remapped308 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
Out of the box the Mercedes SL 300 231 gives 231 bhp and 272 Nm. Remapped across the UK, we record 263 bhp and 308 Nm, so 32 bhp and 36 Nm more, or 14% and 13% respectively.
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 300 231: remap at a glance
- Fuel: Petrol
- Standard power: 231 bhp, remapped: 263 bhp (+32 bhp, +14%)
- Standard torque: 272 Nm, remapped: 308 Nm (+36 Nm, +13%)
- Service: stage 1 ECU remap, fully dyno tested
How ECU remapping works on a petrol Mercedes SL-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 SL 300 231 compares
Of the 11 petrol SL-class engines in our data, this one comes 4th for power gain, which is 4 bhp above 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 32 bhp and 36 Nm sits at or above that benchmark.
Book engine tuning for your Mercedes SL-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.
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.
Ready for ECU remapping on your Mercedes SL-class?
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