RENNtech RENNtech SEC V12 Widebody SLEDGEHAMMER

[Emine]

The 500SEC and 560SEC have always been my dream Mercedes coupes to own. They are the perfect emblems of style and grace for a large coupe and that huge 3 pointed star on the front grill made a huge statement in the 1980s.

The front of this black AMG SEC is so menacing.

 

[Emine]

There is an alternative restomod of 560 sec

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[Jonathan19]

The RENNtech Sledgehammer’s widebody merges the bespoke customization process with cutting edge design, precision engineering, and 36 years of Performance Without compromise.

Developed and built entirely in house, the SEC Sledgehammer V12 merges Hartmut’s pre-merger heritage with RENtech’s state-of-the-art engineering, continuing a lineage rooted in the golden era of bespoke Mercedes-Benz performance.

At the heart of the SEC Sledgehammer V12 lies a 7.5 liter naturally aspirated V12, based on the legendary M120 architecture.

The engine is comprehensively reengineered with forged internals, CNC-ported cylinder heads, advanced intake and exhaust systems, equal length headers, and bespoke calibration.

Output is rated at 650 horsepower and 650 Ib-ft of torque, delivered through a 7-speed manual transaxle.

Chassis development includes RENNtech adjustable coil over suspension, reinforced control arms, carbon ceramic braking systems, while bespoke forged 19-inch wheels complete the widebody stance.

The result is a vehicle engineered to modern performance standards while preserving the mechanical character and presence that defined the era.

RENNtech on Instagram: "The RENNtech Sledgehammer’s widebody merges the bespoke customization process with cutting edge design, precision engineering, and 36 years of Performance Without compromise. Developed and built entirely in house, the SEC Sled

55 likes, 0 comments - renntech on May 1, 2026: "The RENNtech Sledgehammer’s widebody merges the bespoke customization process with cutting edge design, precision engineering, and 36 years of Performance Without compromise. Developed and built entirely in house, the SEC Sledgehammer V12 merges...

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