Mercedes G-Class ECU Remapping & Engine Tuning
We have remap figures for 10 Mercedes G-Class engines. Petrol engines gain +5% to +16% power and diesels +19% to +28%. The largest bhp increase is on the G-Class G63 4.0: 577 to 647 bhp (+70 bhp, +12%). Three more engines are in development. Book your G-Class in at our Burnley workshop on 01282 779 000, or find a local dealer.
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View FAQs| Mercedes G-Class | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| G 270 Cdi 156 BHP 2000-2004 | 156 | 186 (+19%) | 400 | 470 (+17%) |
| G 280 Cdi 181 BHP 2005-2009 | 181 | 233 (+28%) | 400 | 482 (+20%) |
| G 320 Cdi 221 BHP 2005-2009 | 221 | 239 (+8%) | 315 | 337 (+6%) |
| G 350 3.0 Cdi 221 BHP 2010-2018 | 221 | 264 (+19%) | 540 | 638 (+18%) |
| G350 3.0 350 Cdi 241 BHP 2010-2018 | 241 | 297 (+23%) | 600 | 664 (+10%) |
| G500 Turbo 416 BHP 2010-2018 | 416 | 484 (+16%) | 600 | 762 (+27%) |
| G 500 296 BHP 2010-2018 | 296 | 316 (+6%) | 456 | 486 (+6%) |
| G55 5.5 493 BHP 2010-2018 | 493 | 521 (+5%) | 700 | 762 (+8%) |
| G550 4.0 Biturbo 416 BHP 2010-2018 | In Development | |||
| G63 4.0 577 BHP 2010-2018 | 577 | 647 (+12%) | 850 | 1004 (+18%) |
| G63 5.5 518 BHP 2010-2018 | In Development | |||
| G63 5.5 537 BHP 2010-2018 | 537 | 579 (+7%) | 1000 | 1081 (+8%) |
| G63 6.0 Biturbo 604 BHP 2010-2018 | In Development | |||
Frequently asked questions
How much power does a remap add to a Mercedes G-Class?
Petrol engines gain +5% to +16% power and diesels +19% to +28%. The full figures for each engine are in the table above.
How much extra torque does a remap give a Mercedes G-Class?
Torque gains range from +6% to +27%, an extra 22 to 162 Nm depending on the engine.
Which G-Class engine gains the most from a remap?
The G-Class G63 4.0 gains the most: 577 to 647 bhp (+70 bhp, +12%). Torque rises from 850 to 1004 Nm (+18%).
Are remaps available for every G-Class engine?
Not yet. Three of the 13 engines listed above are still in development. Call our Burnley workshop on 01282 779 000 for an update.
Where can I get my G-Class remapped?
Book it in at our workshop in Burnley, Lancashire, on 01282 779 000, or find a local remap dealer in our dealer directory.
How we develop your remap
Our remaps are developed in-house at our facility in Lancashire, and cars are developed on our Dynojet 424xLC² dyno. Read more about dyno tuning at BHP UK.
Related:Petrol ECU tuning · Diesel ECU tuning · All Mercedes remaps · Mercedes CLS-Class · Mercedes E-Class · Mercedes GL-Class · Mercedes GLA-Class
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