Dealer profile and featured Classics 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 featured Classics from HK-Engineering

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. [...]

1955 Mercedes-Benz 300 SL Coupé

We offer a beautiful and fully restored Mercedes-Benz 300 SL Coupe in the original delivery configuration with silver paint, combined with [...]

1960 Mercedes-Benz 220 SE Cabriolet

We offer a beautiful 1960 Mercedes-Benz 220 SE convertible with elegant two-tone paint in red / beige, combined with beige leather trim and black [...]

1971 Mercedes-Benz 280 SE 3.5 Cabriolet

Beautiful Mercedes-Benz 280 SE W111 3.5 liter convertible in partially restored condition. The vehicle presents itself in the classic color [...]

1952 Mercedes-Benz 220 Cabriolet A

We offer a beautiful 1952 Mercedes-Benz 220 Cabriolet A in dark red combined with very well-preserved leather trim in cream and a beige soft top. [...]

1970 Mercedes-Benz 280 SL Pagode

Here we offer a 280 SL pagoda with a particularly interesting history. The vehicle was ordered in the color combination Tunisbeige combined with [...]

Mercedes-Benz 190E 2.5-16V Evo I

<div></div> 1317/5000 We offer a very rare and now an absolute collector’s item (limited to 500 pieces) advanced Mercedes-Benz [...]

1966 Porsche 911

We offer a beautifully restored 1966 Porsche 911 short wheel base in the fantastic finish Gulf Blue, combined with Pepita interior and ultra rare [...]

2014 Mercedes-Benz SLS AMG GT Coupé

We offer a rare Mercedes-Benz SLS AMG GT Coupe in Designo Mystic white 2 with black custom-made bucket seats from 1st hand and with a mileage of [...]

Porsche 911 S Targa

This Porsche 911S Softwindow Targa was produced delivered on 17.04.1967 in Munich by the company MAHAG to the first owners to Kassel. The 911S is [...]

1955 Mercedes-Benz 300 SL Coupé

This Mercedes-Benz 300 SL coupé in silver combined with red leather trim was delivered to New York, USA on July 4, 1955. It is one of the coveted [...]

1984 Mercedes-Benz 280 SL

Exclusiv opportunity for collectors! This beautiful 280SL R107 was first delivered on the March 28th 1984 to his first owner in Fürth, Germany. [...]
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