Dealer profile and vehicle listings for HK-Engineering

The only company worldwide dedicated solely to the restoration of the exclusively valuable Mercedes-Benz 300 SL. Serving for the past 25 years with intelligence, dedication and enthusiasm.

Entrepreneur, director and world-renowned expert in the automotive icon with the trademark star, is Hans Kleissl. Hardly anyone else has such a wealth of knowledge, experience, and passion. Being a classic car enthusiast and collector himself led to his founding of HK-ENGINEERING. „He's one of us,” is the common opinion among his customers.

HK-ENGINEERING is set in a lovingly restored monastery in the Bavarian village of Polling, with an additional branch in the Berlin Classic Remise. Further partners and representatives are located outside of German borders, listed in detail under the heading „Contact.“

HK-ENGINEERING is well-established. Throughout years of service in Kleissl's SL workshop, mechanical engineers have made technical contributions to the sustainable conservation of this unique Mercedes model series. As a result, while it previously took at least a year to bring a Gullwing or Roadster back to its original glory, the mechanics in Polling can now finish an entire „resurrection” of a 300 SL in only six to nine months.

HK-ENGINEERING offers its clients restoration of nearly all original parts: from refurbishing old leathers to matching original body paint. Of course, they are also able to restore classic Mercedes-Benz cars from the ground-up.

Since 1995, HK-ENGINEERING has operated its own racing team. To date they've built a dozen SLS-type cars. „While others speak of their great technical competence, we prove ours on the track,“ boasts Hans Kleissl.

Aside from the vast technical expertise, Kleissl is deeply involved in the social aspect of the 300 SL series. He has served on the board of directors for the 300 SL club of Germany for more than ten years.

More than fifty 300 SL automobiles are currently in the Polling establishment. To meet the ever-growing demand, the team of HK-ENGINEERING has grown to more than forty employees.

All listings from HK-Engineering

1979 Mercedes-Benz 450 SLC 5.0

This 450 SLC 5.0 presents itself in fully restored and perfect condition. The last owner spend a lot of Money to get the car into current [...]

1957 Mercedes-Benz 220S Ponton Coupe

This beautiful 220S Ponton coupé was delivered to its first owner by the company Lueg in Bochum in April 1957. Only 1,251 Ponton coupes were [...]

1970 Mercedes-Benz 280 SE Coupe

Here we offer a beautiful 280 SE Coupe in excellent condition. The vehicle was delivered in Kiel in 1970 and remained to this day in Germany. It [...]

Bentley Continental GT3R

We offer one of 300 pieces of the Bentley Continental GT3-R in the best color combination Beluge Trim (black) with Alcantara seats in beluga [...]

McLaren 650S LeMans

Here we offer you a very rare McLaren 650S Coupe LeMans Edition. The 650S Le Mans is limited to 50 copies and has only been offered as a coupe. A [...]

1970 Mercedes-Benz 280 SE 3.5 Cabriolet

Dieses wunderschöne 280SE 3,5 Cabriolet wurde im November 1970 in Paris in der Farbkombination Tunisbeigemetallic mit Lederausstattung schwarz [...]

1960 Mercedes-Benz 300 SL Roadster

Dieser Mercedes-Benz 300 SL Roadster wurde im Jahre 1960 in weiß 50 mit schwarzem Leder 953 an seinen ersten Besitzer nach Pennsylvanien, USA [...]

1957 Mercedes-Benz 300 SL Roadster

Dieser wunderschöne Mercedes-Benz 300 SL Roadster wurde im Jahre 1957 nach Kalifornien ausgeliefert. Erstbesitzer des Wagens war der berühmte [...]

1955 Mercedes-Benz 300 SL Coupé

Wir bieten hier einen wunderschönen Mercedes-Benz 300 SL Flügeltürer an, welcher 1955 an seinen ersten Besitzer nach Florida USA ausgeliefert [...]

1975 Volkswagen Käfer Cabriolet 1303LS

This beautiful and fully restored VW Beetle 1303LS Cabriolet has a special history. The car was built in Wolfsburg in June 1975, but was first [...]

1959 Mercedes-Benz 300 SL Roadster

This Mercedes-Benz 300 SL Roadster was originally delivered in whitegrey (158) combined with red leather (1079) to Bochum, Germany in 1959. [...]

1937 Adler Trumpf Junior

1937 Adler Trumpf Junior Vollcabrio mit Ambibudd Karosserie in zweifarbiger Lackierung hellbraun/dunkelbraun, sowie mit passenden zweifarbigen [...]
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