Mercedes S 500 306(+99)
ECU Remapping in Midwales

Mercedes S 500 306(+99) power and torque after remapping

• Fuel: Petrol
• Standard power: 306 bhp, remapped: 336 bhp (+30 bhp, +10%)
• Standard torque: 460 Nm, remapped: 510 Nm (+50 Nm, +11%)
• Service: stage 1 ECU remap, fully dyno tested

Petrol Mercedes S-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 S 500 306(+99) compares

Ranked by power gain against the other petrol S-class engines (16 in total), the S 500 306(+99) is 6th, 2 bhp below the S-class petrol average of 32 bhp.

Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 30 bhp and 50 Nm sits at or above that benchmark.

Remapping your Mercedes S-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.