Past Commission • Not for Sale

Nixen · A Custom Land Rover Defender D110 A re-engineered classic Defender 110. Featured here as a reference. Not for sale.

A featured past commission. Shown here as a reference for what a Helderburg can be.
The Commission

Nixen is a Helderburg D110 that unites African safari memories with the presence and poise of a British grand tourer.

Built for a couple who refused to choose between rugged adventure and uncompromising luxury. This bespoke Defender is where hunting tracks and high-street valet coexist in a one-of-one expression of taste, story, and capability.

The story behind Nixen

Nixen began as two very different requests: a husband who wanted to relive his hunting trips across Africa, and a wife who wanted something that felt Aston Martin, Rolls-Royce, and Bentley all at once. The brief was clear: safari-ready on the outside, deeply luxurious and tailored on the inside, with nothing feeling forced or overdone.

Helderburg answered by keeping the exterior purposeful and adventure-focused, then crafting an interior that feels like stepping into a British members’ club—timeless, warm, and surprisingly refined for a classic Defender. Nixen isn’t just a vehicle; it’s a shared memory machine, designed so every trip—whether to the lodge, the range, or dinner in town—feels like part of the same ongoing story.

Exterior: African adventure, refined

From the outside, Nixen nods to the earlier Helderburg build “Deer,” sharing a similar body color and stance, but with its own distinct personality. The paint reads safari and upland field rather than city chrome—an earthy, adventure-forward presence that looks at home on gravel, grass, or cobblestone.

Key exterior details include:

  • New Helderburg front bumper with the Helderburg insignia integrated cleanly into the center, giving Nixen a purposeful yet tailored face.
  • Six-point external roll cage for real-world protection and visual attitude, reinforcing its off-road credibility.
  • Dual panoramic glass roofs that flood the cabin with light while maintaining a controlled, non–“greenhouse” feel thanks to deep tinting.

Behind the wheels sit Helderburg’s exclusive performance brakes, not rebadged off-the-shelf units but components built specifically for Helderburg, coated in a rich anodized red that hints at precision engineering rather than flash.

Interior: British green luxury

Open the door and the mood shifts from safari to private lounge. The cabin is anchored by a rich British green leather that instantly feels more Rolls-Royce than factory Land Rover, paired with saddle brown accents and bronze/gold contrast stitching. The green dash, saddle brown center console, and seat inserts create a warm, layered environment that feels both masculine and softly inviting.

Highlights include:

  • Custom-stitched door panels with a more tailored panel layout instead of full-width diamond stitch, adding visual depth and couture-like detailing.
  • Dark chocolate Italian Alcantara suede headliner that gently fades into the green dash and darker carpets, making the cabin feel intimate and cocooned.
  • Center-facing rear benches with diamond-stitched saddle leather and belts, offering seating for four in the rear and echoing classic Defender heritage with a luxurious twist.

The gauges are reimagined with cream dials and black perimeters, evoking the dial of a vintage Paul Newman Rolex—another quiet nod to old-world mechanical romance. Every surface, stitch, and color has been chosen so nothing feels jarring; it all simply flows.

Performance and capability

At Nixen’s core is the Helderburg Mark 3.5 turbo diesel engine, an evolution beyond the performance-tuned turbo diesel used in the Deer build. This powerplant delivers strong torque, quick response, and a distinctive exhaust note that feels alive without ever becoming intrusive on a long drive.

Paired with Helderburg’s upgraded braking system and carefully refined drivability, Nixen is engineered to move confidently—whether threading through city streets, climbing muddy tracks to a hillside blind, or cruising back roads with a full cabin and a dog like Lucy in the front passenger seat. It is both heirloom and tool: a vehicle built to be used, remembered, and eventually passed on as part of the family story.

Every line above is the result of upgrades engineered in-house, found in no other custom or restomod Defender in the world.

See Helderburg's Proprietary Upgrades
The Build Film · From Paul

Paul walks around Nixen the way every Helderburg is meant to be seen.

Step back ten feet. Then twenty. Study the seams. The paint. The exhaust note. The interior. By the end you will know what to look for, and how to compare any custom Defender build.

Nixen build film thumbnail

Filmed at Haldenmere · The Ozarks

Four Styles, One Custom Process

A Helderburg is not one look. It is your own.

Nixen is one direction. Every Helderburg is custom, designed around the owner rather than chosen from a catalogue, and most commissions draw from one or two of these four. The expedition build is the one most people picture first. It is only the beginning of what a custom Defender by Helderburg can be.

Why a Helderburg Drives Differently

The difference is not cosmetic alone.

The architecture itself has been re-engineered. If you want the full picture of what is under a Helderburg before you speak to Paul, two doorways.

The Twelve Systems

Nixen carries twelve proprietary Helderburg systems, found in no other restored, custom or restomod Defender. The drivetrain on the original block. A suspension with the body roll engineered out, widened at the chassis, not with spacers. A cabin built for the eighth hour, not the first.

See Helderburg's Proprietary Upgrades →

Three Approaches. Only one is a Helderburg.

A classic Defender can be restored, restomodded, or re-engineered. A restomod replaces the body and drops in a GM V8 crate motor, no longer numbers matching. Respectfully, a kit car. A Helderburg keeps the original chassis and block, and re-engineers everything else.

What is a Helderburg →
Past Commissions

Every one built once. None of them again.

Nixen is one of many. Each Helderburg is built for a single owner, then never repeated. A few of the commissions that came before.

Films

See more, by the way you like to watch.

More than a hundred films. The drives, the walk-arounds, the honest questions, and the quieter moments. Start wherever you like.

The Drive No Destination, Just the Ozarks
No Destination, Just the Ozarks

A typical Sunday in the Ozarks: no destination, just a Helderburg drive beyond the pavement, where adventure is measured by where you’re willing to go.

The Helderburgs Rocco: The Boldest Helderburg Yet
Rocco: The Boldest Helderburg Yet

Rocco is the moment you realize a classic Defender can be both unapologetically bold and quietly refined.

The Questions Restored Land Rover Defender Review: Sarge
Restored Land Rover Defender Review: Sarge

Take a front-row seat as Paul Potratz, founder of Helderburg, takes you on a spirited test drive of “Sarge”—a fully restored Land Rover Defender 110 that redefines what it means

From Paul Presence | Sundays at Haldenmere
Presence | Sundays at Haldenmere

A single handcrafted Leica lens, one trip to Italy, and a reminder that character outlives perfection. Step inside the story of presence, imperfection, and choosing the few objects that truly matter.

More than one hundred films. All the custom Defender questions answered.

Watch the Films

Nixen stays with the family it was built for.

A few Helderburgs are available now, ready sooner than a full commission. Or begin a commission in NIxen's spirit, with a color of your own.

See the Helderburgs Available Now
A Direct Line to Paul

The next Helderburg will be built around you.

If Nixen stirred something, the next conversation is about your Helderburg. Ask anything, about a build in progress now or a commission of your own. Paul reads every message and answers personally.

Paul Potratz · Founder, Helderburg · Twenty years in automotive marketing · Featured in the Wall Street Journal, Robb Report, Road & Track, Carscoops, and the Collector Car Podcast

Contact Paul Directly