Renntech, the automotive tuning specialist, breathes new life into the legendary Mercedes-Benz SEC with a bold approach: a breathtaking V12. With its 660 horsepower and an expanded design, this reinterpretation promises to turn heads and brighten the roads.
A Custom Renaissance
Renntech has decided to produce only 12 units of this reinvented Mercedes-Benz SEC, with each vehicle being made to order. For thrill-seekers and exclusivity enthusiasts, this is a true dream come true. These unique models will be equipped with the same M120 V12 engine found in supercars like the Pagani Zonda or the Mercedes CLK GTR. It goes without saying that this is not just any engine.
Performance That Takes Your Breath Away
This naturally aspirated 7.5-liter V12 develops 485 kW, or 660 horsepower, and generates an impressive torque of 881 Nm. Paired with a specific manual transaxle, this engine offers a driving experience that is as thrilling as it is unforgettable. Imagine yourself behind the wheel, the power beneath your feet, ready to dominate the asphalt with such horsepower. Additionally, the fully aluminum engine block features equal-length headers, ensuring optimal efficiency.
Renntech SEC V12 Widebody
A Design That Impresses
But Renntech didn’t stop there. The transformation of the SEC also includes a complete restoration, with a chassis stripped down for meticulous work. The car receives an expanded body kit, designed not only to enhance aesthetics but also to optimize aerodynamics, cooling, and high-speed stability. This aggressive and modern look allows the SEC to claim an undeniable presence on the road, attracting attention like a magnet.
A Heritage to Preserve
Produced by Mercedes from 1979 to 1991, the SEC is part of automotive history with its iconic silhouette and unmatched comfort. Although the manufacturer offered several engine options over the years, including inline five-cylinders, inline six-cylinders, and V8s, it never offered a V12 in this model. It was only with the third generation W140 that the S-Class was introduced with engines exceeding eight cylinders.
First Delivery Expected in 2027
Renntech has announced that it will deliver the first SEC 12 Widebody in December 2027. A wait that could prove endless for enthusiasts. But this impatience is offset by the promise of an unparalleled driving experience and a vehicle that combines timeless elegance with modern performance.
A Classic Still Appreciated
The reinterpretation of the Mercedes-Benz SEC by Renntech already impresses with its wide kit, but it is especially the presence of a very high-performing V12 under the hood that makes this restomod truly exceptional. With over 30 years on the clock, the oldest SEC still on the road today testifies to the lasting appreciation for this model. It is pleasing to see that classics continue to evolve while preserving their essence.
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