Top Brabus Performance Kits for the G‑Wagon: What’s Worth Your Money?

Why Brabus Kits Are a Big Deal for G‑Wagon Owners

The Mercedes G‑Wagon (especially the AMG G63 variant) already screams power and prestige, but for those who crave even more. The Brabus G-wagon performance kits are the ultimate upgrade. These kits push the G‑Wagon into supercar territory, adding insane horsepower gains, aggressive styling and unmatched road presence.

Brabus is not just about aesthetics, it’s a full tuning house that engineers comprehensive packages. These packages enhance engine performance, exhaust sound, torque delivery and even fuel mapping. Whether you’re building a street-legal beast or a show-stopping garage piece, there’s a Brabus kit designed to meet your goals. But with price tags ranging from £15,000 to over £300,000, the question becomes: which Brabus G‑Wagon kits are actually worth your money?

What Is a Brabus G-wagon Performance Kit? A Quick Breakdown

Before diving into the best kits, let’s clarify what you actually get in a Brabus G-wagon performance package. Depending on the level, Brabus offers:

• ECU remapping (engine control unit tuning)
• Upgraded turbochargers
• High-performance exhaust systems with active valves
• Transmission tuning for faster gear shifts
• Optional aero kits like the Widestar body package
• Carbon-fibre enhancements (bonnet scoops, fender flares, etc.)

It’s important to distinguish between cosmetic-only kits (like widebody conversions) and true Brabus G-wagon performance kits. The former improves the looks; the latter transforms how the G‑Wagon drives. For this article we will focus on engine and drivetrain-focused Brabus kits, though many are bundled with styling upgrades as well.

Brabus B40‑700: The Entry-Level Power Bump for G63 AMG

For many G‑Wagon owners, the Brabus B40‑700 kit is the sweet spot. This upgrade bumps your G63’s twin-turbo V8 from 577 hp to a whopping 700 hp, with torque climbing to 950 Nm. The 0–62mph sprint time drops to just 4.3 seconds, a massive improvement for a 2.5-ton SUV.

Key Features:

• ECU tuning
• Custom Brabus turbo system
• Stainless-steel exhaust with active valves
• Optional Brabus sport suspension

Estimated cost: £18,000–£25,000 depending on spec and location.
This kit is ideal for daily drivers who want more bite without sacrificing drivability. It retains factory comfort while providing supercar power and acceleration, making it one of the best-value G-wagon Brabus kits for real world use.

Brabus 800 & B40S‑800: Extreme Power for the Hardcore Enthusiast

If 700 hp isn’t enough, the Brabus 800 and B40S‑800 kits take things further. These packages push your G63 to a blistering 800 horsepower and 1,000 Nm of torque, turning the SUV into a full-blown performance monster.

Highlights:

• Brabus-specific turbochargers
• Reinforced drivetrain components
• Enhanced cooling systems
• Deep-tuned ECU and transmission control

0-62mph time drops to 3.8–4.0 seconds, which is faster than many supercars currently available. However, with this performance comes increased fuel consumption, tire wear and brake stress.

Cost estimate: £28,000–£40,000+ depending on the configuration.

This is perfect for enthusiasts who track their vehicles or want a serious collector-grade build. It’s not subtle but it is aggressive, loud and engineered to dominate on both highways and city streets.

Brabus 900 & Rocket Edition: Overkill or Future Classic?

At the top of the pyramid sits the Brabus 900 Rocket Edition, a limited-run G‑Wagon with hypercar-level performance. Based around the base model G63, Brabus reworks the engine to 900 hp, adds a widebody carbon kit, custom suspension and a luxurious reupholstered interior.

Only a small number of these are built each year, with prices starting at around £400,000 and rising to £500,000+ however this depends on the options.

Why Buy It?

• Exclusivity: Limited to 10–25 units per year
• Custom craftsmanship: Each one is hand-finished in Bottrop, Germany
• Collector value: Some editions appreciate over time

While it’s far from ‘value-for-money’ in a traditional sense, the Rocket 900 is for those chasing status and exclusivity. If you are a collector or want something not many other people drive, this is it!

Value vs Hype: Which Kits Are Actually Worth Your Money?

Here’s a quick comparison to help decide where to invest:

Kit	HP	0–100 km/h	Est. Cost (UK)	Best For
B40‑700	700	4.3 sec	£18K–£25K	Daily performance + resale value
B40S‑800	800	3.9 sec	£30K–£40K+	Weekend thrill + track days
Rocket 900	900	3.7 sec	£400K+	Collectors + ultra-luxury builds

For most G63 owners, the B40‑700 kit offers the best balance of performance and affordability. The B40S‑800 is ideal for pushing the limits, while the 900 is for extreme collectors only.

Also consider running costs such as fuel consumption, insurance and servicing. These costs can spike dramatically with the higher-tier kits. Brabus parts are premium and authorized installations are not cheap.

Should You Go Brabus or Stick With Stock?

In conclusion, Brabus kits transform the G‑Wagon into a different beast altogether. Brabus kits make the car louder, faster and more aggressive. Whether you want a modest power bump or a no-compromise hyper SUV, there’s a kit that fits. But remember, not all Brabus upgrades are created equal when it comes to long-term value.

Our verdict?

• Go B40‑700 if you want everyday reliability with a performance edge.
• Go B40S‑800 if you crave track-day thrills and don’t mind higher costs.
• Go Rocket 900 if you’re building a collection or aiming for ultra-exclusive status.

Looking to install a Brabus kit in the UK or Europe? Make sure to use an authorized Brabus installer and verify the warranty implications before purchase.