G-Class

Fits your Mercedes-Benz G-Class (W463A, 2019+). Fabspeed lists this piece for: all Mercedes-Benz AMG 63 M177 4.0L V8 Bi-Turbo Vehicles: C-Class / E-Class / S-Class / GLS-Class / GLE-Class / GLC-Class / SL-Class / G-Class. Exact fitment for your year, trim and options is confirmed on your free consult before anything is ordered.

The delivered price includes the part from Fabspeed USA, freight to Australia, import costs and GST. Enter your postcode to refine delivery; the final figure is confirmed on consult.

Every Fabspeed part is made in-house at Fabspeed USA with about a one-week production lead time, then allow another 3-4 days for delivery to Australia via UPS. That freight is already included in the price.

Fabspeed emails back your custom tune within 1-2 business days of receiving your vehicle's data.

Yes, Fabspeed saves your stock ECU settings so you can flash back to stock at any time using the same handheld device.

A Windows PC to upload your data and apply the tune (Mac isn't supported), plus the handheld tuning device which pairs to one vehicle only.

Fabspeed's dyno testing showed peak gains from 547 hp / 900 Nm stock to 595 hp / 923 Nm tuned, with gains up to 60whp and 96 Nm depending on the vehicle.

Rennen Motorsport in Adelaide, or an authorised dealer near you. Fitting it yourself may also be an option depending on the part, so raise it on your consult; professional installation is quoted separately.

Fabspeed products carry the manufacturer's warranty, supported locally through Rennen Plus as the Australian principal. See our returns policy.

Every enquiry, whether it's one part or a full build, starts with a free consult. We confirm the exact spec for your car before anything is quoted or ordered.