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Stage 1 Β· Petrol

Mercedes-Benz GL 2013> 450 Bi-Turbo 362bhp remap figures

The Mercedes-Benz GL 450 Bi-Turbo 362bhp (2013>) is a petrol 4.7L model making 362bhp and 551Nm as standard. After a Stage 1 ECU remap we expect 515bhp and 791Nm - up to 153bhp and 240Nm more than stock.

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Stage 1 remap figures

A Stage 1 remap is a software-only change to the ECU on an otherwise standard car. It needs no extra parts, which makes it the usual starting point.

StockVanguard expectedExpected gain, up to
Power362 bhp515 bhp+153 bhp
Torque551 Nm791 Nm+240 Nm

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All maps at a glance

MapPowerTorqueExpected gain, up to
Stock362 bhp551 Nm
Stage 1Maximum software-only performance515 bhp791 Nm+153 bhp
+240 Nm
Stage 1 EcoPerformance with economy in mind477 bhp772 Nm+115 bhp
+221 Nm
Eco mapEconomy first465 bhp760 Nm+103 bhp
+209 Nm

Who is the Stage 1 map for?

  • Drivers who want a noticeably quicker car from a software-only change, with no new parts.
  • Daily drivers who want stronger mid-range pull and a sharper throttle.
  • Anyone who wants the biggest gain we list without fitting hardware.

What this means for your GL

On a turbocharged petrol engine a remap adjusts boost, ignition timing and fuelling together, so both power and mid-range torque rise and the car pulls harder out of corners and junctions.

The ECU recorded for this variant is a Bosch MED17.7.1. We read the ECU on your car and compare it with the software listed here before any work starts, so you know what to expect before you commit.

We remap at our Belgrave Gate workshop in Leicester, or at your home or work within 30 miles, and every job starts with a diagnostic check.

Please note: these are expected figures, not guarantees. Real results vary with the condition of the vehicle, the ECU software version, fuel quality and the hardware fitted. Some options - including Stage 2 and anything that needs extra hardware - are for off-road or competition use only. We check every vehicle first and confirm what is achievable before any work starts.

Figures reviewed 22 October 2026.

Stage 1 questions

How much power does the Stage 1 map give the Mercedes-Benz GL 450 Bi-Turbo 362bhp?

We expect 515bhp and 791Nm against 362bhp and 551Nm as standard: up to +153bhp and +240Nm. These are expected figures, and we confirm what is achievable on your own car after a diagnostic check.

Does a Stage 1 remap need any extra parts on the Mercedes-Benz GL 450 Bi-Turbo 362bhp?

No. Stage 1 is a software-only change to the ECU on an otherwise standard car.

Is there a gentler map than Stage 1 for this engine?

Yes, two. Stage 1 Eco is performance with economy in mind: 477bhp and 772Nm expected. The Eco map is economy first: 465bhp and 760Nm. Both still sit above the standard 362bhp and 551Nm.

Do I need to tell my insurer about a remap?

Yes. A remap is a modification, so you should declare it to your insurer.

More Mercedes-Benz GL figures

Other petrol variants

    All petrol GL variants Β· GL 2013> overview Β· All Mercedes-Benz figures