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Mercedes-AMG Gives Its V8 SUVs a Major Update, Future-Proofs the Iconic Engine

Mercedes-AMG has unveiled extensively updated versions of the GLE 63 S 4MATIC+ and GLS 63 4MATIC+, bringing significant upgrades to its high-performance SUV lineup.

The biggest headline isn’t the styling refresh or new technology. Instead, it’s the future of AMG’s iconic V8. Mercedes-AMG has comprehensively reworked its 4.0-litre twin-turbocharged V8 to meet future emissions regulations while retaining the performance and character that enthusiasts expect.

AMG V8 Lives On

At the heart of both SUVs sits the updated M177 EVO engine, a heavily revised version of AMG’s legendary V8.

Despite tightening emissions regulations worldwide, AMG has managed to preserve the engine’s output while improving efficiency and responsiveness.

Engine highlights:

  • 4.0-litre twin-turbocharged V8
  • 612hp and 850Nm
  • 48V mild-hybrid system
  • Additional 23hp and 205Nm from ISG
  • New flat-plane crankshaft
  • Revised fuel injection system
  • Updated turbochargers
  • New exhaust after-treatment system

Mercedes-AMG says the new flat-plane crankshaft reduces rotating mass, improves throttle response, and helps the engine rev more freely.

Serious Performance Remains

The updates haven’t dulled performance.

Both SUVs continue to offer supercar-like acceleration despite their size.

Performance figures:

GLE 63 S 4MATIC+

  • 0-100kph in 3.9 seconds
  • Top speed: 280kph

GLS 63 4MATIC+

  • 0-100kph in 4.2 seconds
  • Top speed: 280kph

Power is sent to all four wheels through AMG’s fully variable 4MATIC+ all-wheel-drive system and a 9-speed AMG Speed shift transmission.

Sharper Look, More Presence

Mercedes-AMG has also redesigned the exterior.

Key visual changes include:

  • New AMG radiator grille
  • Larger cooling intakes
  • New LED lighting signature
  • Revised rear diffuser
  • Updated AMG exhaust finishers
  • Wheel options up to 23 inches

The result is a more aggressive appearance without straying too far from the familiar AMG SUV formula.

Technology and Luxury Upgrades

Inside, both SUVs receive Mercedes-Benz’s latest MB.OS operating system, along with new AMG-specific displays and improved personalisation options.

Other highlights include:

  • Latest AMG Performance steering wheel
  • AMG-specific digital displays
  • New MANUFAKTUR customisation options
  • Carbon and aluminium trim choices
  • Multiple Nappa leather upholstery options

Also read: https://fly-wheel.com/new-nissan-skyline-set-for-winter-debut-development-time-cut-by-half/

Final Take

At a time when many performance brands are downsizing engines or moving towards full electrification, Mercedes-AMG is taking a different route. The updated GLE 63 S and GLS 63 prove there’s still life left in the V8 era. More importantly, AMG has managed to future-proof one of its most iconic engines without sacrificing the performance, sound, and character that made it famous in the first place.

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