Mercedes S 500 306(+99)
ECU Remapping

Mercedes S 500 306(+99): remap at a glance

• 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

How ECU remapping works on a petrol Mercedes S-class

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 across the UK

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.