Mercedes-Benz ECU TUNING — JAPAN

GLS(X166) GLS550
ECU Tuning and Pops and Bangs

Engine: M278

Stock
455ps / 700Nm
Tuned
500ps / 850Nm
+45ps/150Nm
Stock Power455ps
Tuned Power500ps
Stock Torque700Nm
Tuned Torque850Nm

Vehicle Specs

Model (Chassis)GLS(X166) GLS550
EngineM278
Stock Output455ps/700nm
Stage 1 Gain+45ps/150Nm

Pricing

Pricing for international customers is provided by individual quote. Tell us your car and what you want it to do.

Remote Tuning

We ship the flashing device to you — no visit required.

PG3Flasher

Available Options

Neutral RPM
Need to unlcok ECU

Tuning files developed and proven in Japan. Remote tuning available worldwide.

💬 WhatsApp Quote

For Workshops (Dealer Program)

This model is supported by our dealer-facing remote tuning tools. Workshops interested in offering mbFAST tuning files can get in touch below.

ATAT1

Dealer inquiries via WhatsApp

Specifications subject to change. Output gains vary by vehicle condition and fuel.