The Mercedes GLS 350d 258hp (2015 - 2018) produces 258bhp and 620Nm in standard form. A Stage 1 ECU remap can raise output to 290bhp and 690Nm, a gain of 32bhp and 70Nm, 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