Mercedes GLS tuning: everything you need to know
The Mercedes GLS is tuned via an ECU map optimisation tailored to each engine. Among the 10 available engines, gains vary by powertrain: expect on average 15 to 30% more power and torque from Stage 1.
Select your Mercedes GLS engine above to view detailed gains per stage (Stage 1, Stage 2, E85), stock and tuned performance, and indicative tuner pricing.
Mercedes GLS tuning: frequently asked questions
What gains can I expect from Mercedes GLS tuning?
On the Mercedes GLS, a Stage 1 remap typically adds 15 to 30% more power and torque depending on the engine, with no hardware changes.
Which GLS engine tunes best?
The turbocharged engines (both petrol and diesel) of the Mercedes GLS deliver the best gains. Select your engine above to see precise data.
Does tuning the Mercedes GLS void the warranty?
A remap is reversible, but it may affect the manufacturer warranty. A certified tuner will advise you on best practices for your GLS.
Where can I get my Mercedes GLS tuned?
Use the ChiptuneMAP directory to find a certified tuner near you, and compare reviews, pricing and specialities for your Mercedes GLS.
