Mercedes SL 300 231
ECU Remapping in Midwales

Mercedes SL 300 231 remap figures

• 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.

Remapping your Mercedes SL-class in Midwales

Remap Experts has a dedicated Midwales site, so you deal with a local team backed by a national network. We regularly work with drivers in Llanidloes, Welshpool, Newtown, Machynlleth and Llandrindod Wells and nearby areas of Wales.

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.

If you are closer to Gwent, Cardiff and Chester, those neighbouring Remap Experts sites can help too.