Mercedes-Benz has broadened its G-Class line-up in Australia with the launch of the new G 450 d, a diesel-powered variant that sits alongside the all-electric G 580 with EQ Technology and the high-performance Mercedes-AMG G 63.
The introduction of the G 450 d marks the return of a diesel option for local buyers, reflecting ongoing demand for the iconic luxury off-roader, and the lack of demand for the EV version. Positioned between the electric and AMG models, the new variant of the G-Class is designed to appeal to customers who value traditional diesel performance, and the G-Class’s established reputation for off-road durability.
Diesel performance with modern tech
Under the bonnet, Mercedes-Benz has paired proven diesel strength with modern hybrid assistance to deliver both muscle and efficiency.
Engine and performance
At the core of the Mercedes-Benz G 450 d is a 3.0-litre inline six-cylinder diesel engine, supported by an integrated starter-generator and a 48-volt mild-hybrid system. This setup is designed to blend strong power delivery with greater efficiency.
Key performance figures highlight its capability on the road:
| Specification | Detail |
| Engine | 3.0-litre inline six-cylinder diesel |
| Electrical system | 48-volt mild-hybrid with integrated starter-generator |
| Power | 270 kW |
| Torque | 750 Nm |
| 0–100 km/h | 5.8 seconds |
Off-road capability
As usual, the premium performance of the Mercedes G 450 d still comes matched with off-road capabilities. The SUV is built on a ladder-frame chassis and fitted with a suite of hardware to handle demanding terrain.
The key off-road elements include:
| Feature | Detail |
| Differentials | Three mechanical locking differentials |
| Low-range gearing | Standard |
| Suspension | Independent front, rigid rear axle |
Mercedes-Benz has also provided detailed figures to underline its capability:
Off-road dimensions
In addition to its ladder-frame construction and locking differentials, the Mercedes-Benz G 450 d offers generous clearance and approach angles, underscoring its serious off-road focus.
| Capability | Measurement |
| Ground clearance | 241 mm |
| Maximum fording depth | 700 mm |
| Side slope stability | 35 degrees |
| Approach angle | 31 degrees |
| Departure angle | 30 degrees (without tow hitch) |
Pricing in Australia
Mercedes-Benz has confirmed local pricing for the new variant of the G-wagen. The Mercedes-Benz G 450 d is now available at authorised Mercedes-Benz retailers from September 3, 2025, priced from $214,900 MRLP.
Rugged design with PROFESSIONAL Line styling
In Australia, the new diesel SUV comes standard with the PROFESSIONAL Line Exterior, which includes a silver-finished underguard and practical mud flaps. Buyers also get:
- 18-inch 5-spoke black light-alloy wheels
- MULTIBEAM LED headlights
- Rear-mounted spare wheel with protective cover
These touches reinforce the model’s rugged image while appealing to customers who want both luxury and practicality.
Premium interior features
Inside, the G 450 d combines modern tech and rugged prestige. Standard highlights for the feature-packed luxury SUV include:
- Open-pore walnut wood trim
- Burmester® 3D surround sound system
- Smartphone integration
- Sunroof
- Two rear USB ports
- Latest MBUX infotainment with Augmented Reality Navigation
Advanced safety and driver assistance
The new G 450 d offers a wide range of active and passive systems. Mercedes-Benz has also equipped the SUV with:
- PRE-SAFE® accident mitigation
- Blind Spot Assist
- Active Distance Assist DISTRONIC
- Active Steering Assist
- Driving Assistance package
- Exit warning function
- GUARD 360° Vehicle Protection Plus with anti-theft alarm
These systems combine to make the G 450 d not just a capable off-roader, but also a secure long-distance tourer.
Customisation and option packages
Buyers can further personalise the G 450 d with several option packages, each designed to highlight different aspects of the SUV’s personality. While summer tyres are standard, customers can also select All-Terrain tyres at no extra cost.
- MANUFAKTUR Exterior Package ($4,100 MRLP)
Adds a contrasting black roof, painted bumpers and flared wheel arches for a more distinctive look.
- Interior Comfort Package ($8,500 MRLP)
Brings heated windscreen, steering wheel and armrests, plus rear-seat entertainment screens for passenger luxury.
- PROFESSIONAL Exterior Package ($15,900 MRLP)
Tailors the SUV for off-road use with a roof rack, spare wheel holder and rugged styling touches.
- AMG Luxury Package ($18,000 MRLP)
Enhances sportiness with AMG styling cues, premium interior trim, a sports steering wheel and 20-inch AMG wheels.
- Night Package ($5,600 MRLP)
Available only with the AMG Luxury Package, this adds black exterior highlights and 20-inch black AMG alloys.
- Superior Line Interior Plus Package ($14,200 MRLP)
Also exclusive to the AMG Luxury Package, this focuses on comfort with ENERGIZING features, a Nappa leather dashboard and multicontour seating.
Final thoughts
The addition of the G 450 d expands the Mercedes-Benz G-Class line-up in Australia, offering a diesel-powered alternative priced below the all-electric G 580 and AMG G 63. With a balance of off-road capability, modern hybrid technology and luxury features, it provides buyers with another option in the premium SUV segment.
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