2026 Mercedes-Benz G450d price and specs: Diesel G-Wagen returns to Australia

The Mercedes-Benz G-Class lineup is growing in Australia to once again include a diesel option.

The diesel-powered Mercedes-Benz G450d joins the petrol-powered Mercedes-AMG G63 flagship and the electric-powered Mercedes-Benz G580 with EQ Technology.

Available in showrooms from today, it’s priced at $214,900 before on-road costs.

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Under the bonnet is a 3.0-litre turbo-diesel inline six with a 48V mild-hybrid system, delivering total outputs of 270kW of power and 750Nm of torque.

The G450d can do the 0-100km/h sprint in a claimed 5.8 seconds.

It’s the first time a diesel-powered G-Wagen has been offered in Australia since the G400d was axed in 2022, just 12 months after its local launch.

The G450d may have a steep price but it’s actually more affordable than the G400d it belatedly replaces.

The old G400d was initially priced from $233,900 before on-road costs, but a subsequent rise saw the asking price increase to $246,500 before on-roads.

At just under $215,000 plus on-roads, the G450d is $35,000 cheaper than the battery-powered G580 with EQ Technology and a whopping $153,500 more affordable than the twin-turbo V8-powered AMG G63, both of which nevertheless produce much more at around 430kW.

Pricing

Drivetrains and Efficiency

The G450d features an all-wheel drive system with selectable low-range gearing and three differential locks.

* denotes figures from Mercedes-Benz’s German website

Dimensions

Servicing and Warranty

The Mercedes-Benz G-Class is backed by a five-year, unlimited-kilometre warranty.

Service pricing isn’t yet available.

Safety

The Mercedes-Benz G-Class currently has a five-star safety rating from ANCAP, based on testing conducted in 2019.

This rating expires on December 31, 2025, and presently applies only to the G63 and G400d.

Standard safety equipment includes:

• Active Steering Assist
• Autonomous emergency braking
• Blind-spot assist
• Lane-keep assist
• Safe exit warning
• Traffic sign recognition
• Surround-view camera
• Tyre pressure monitoring

Standard Equipment

The G450d comes standard with the following equipment:

• 18-inch alloy wheels in summer tyres
• Rear-mounted spare wheel
• Adaptive suspension
• Three differential locks
• LED headlights
• Adaptive high-beam
• Front and rear mud flaps
• Sunroof
• Semi-autonomous parking assist
• Proximity entry with push-button start
• Wireless phone charger
• 12.3-inch digital instrument cluster
• 12.3-inch touchscreen infotainment system
• Apple CarPlay and Android Auto
• MBUX augmented reality satellite navigation
• Leather upholstery
• Power-adjustable front seats with memory
• Heated front seats
• Heated rear seats
• Nappa leather-wrapped steering wheel
• Open-pore wood trim
• Ambient lighting
• 3-zone climate control
• 18-speaker 760W Burmester sound system

Options

All-terrain tyres are a no-cost option.

There’s a wide range of option packages.

The AMG Luxury Package ($18,000) adds:

• 20-inch alloy wheels
• Running boards
• Silver chrome grille
• Illuminated sill panels
• Exclusive Line Interior
• Black microfibre headliner
• Leather-wrapped dashboard

The Interior Comfort Package ($8500) adds:

• 2 x rear 11.6-inch touchscreens
• Heated front armrests
• Heated steering wheel

The Night Package ($5600, available only with the AMG Luxury Package) adds:

• 20-inch alloy wheels
• Black running boards

Other packages include:

• Professional Exterior Package ($15,900)
• Superior Line Interior Plus Package ($14,200, available only with the AMG Luxury Package)
• Manufaktur Exterior Package ($4100)

MORE: Explore the Mercedes-Benz G-Class showroom