The Mercedes GLS 400d 331hp (2019 ->) produces 331bhp and 700Nm in standard form. A Stage 1 ECU remap can raise output to 380bhp and 840Nm, a gain of 49bhp and 140Nm, with no hardware modifications required.
Interested in a Stage 1 remap for your Mercedes GLS? Get in touch and we will discuss the best options for your vehicle.
JSM Diagnostics comes to you. Mobile ECU remapping across Medway and the surrounding areas.
Call us: 07711 934 905
Mon – Fri: 8:30am – 5:30pm