1928 Mercedes-Benz SSK

The Mercedes-Benz SSK put a large supercharged engine into a deliberately shortened sports-car chassis. Its significance lies in that combination: substantial mechanical ambition, a compact competition footprint and a tiny historical production record. The factory archive gives 33 cars, while the Louwman Museum provides a particularly useful surviving-car reference.

History and verified programme identity

The SSK emerged from the Mercedes-Benz S-series in 1928. Its name connects Super-Sport with Kurz, the German word for short. The factory archive records production through 1932, even though its model heading uses 1928–1931. That difference is preserved as a source convention. The illustrated Louwman car is identified by its museum as a 1929 example with a documented history. Its story provides a concrete counterweight to the many later cars assembled in an SSK-like form. A programme profile and an individual chassis file therefore complement each other.

Engineering and design

The archive specification describes a 7,100 cc supercharged inline-six, a four-speed manual gearbox and a 2,950 mm wheelbase. It gives output separately with and without the blower: 250 hp and 180 hp in its printed convention. The engineering interest is the relationship between wheelbase, engine mass and mechanical control. Shortening a chassis changes its proportions and its response to corners; it does not make a large six-cylinder engine physically small. Exposed wheels and separate wings also make the underlying layout much easier to read than on a later fully enclosed sports car. This specification belongs to the documented programme. It should be compared using the original measurement convention and the relevant configuration. A larger number copied from a different engine, market or racing derivative would describe a different car. Likewise, an engine change during restoration does not add another vehicle to the original production run. The distinction matters particularly when a model name appears in both road and competition histories: shared styling or ancestry can coexist with substantially different structures and equipment.

The physical car in the supplied photograph

Red 1929 Mercedes-Benz SSK displayed at the Louwman Museum, viewed from the front three-quarter angle.

What makes this version distinct

SSK is a precise historical model designation. It should not become a catch-all label for every short Mercedes-Benz supercharged special. Compare chassis dimensions, frame construction and original factory documentation before identifying an individual car. The SSKL represents another development step; drilling a frame or adding later competition details does not retroactively make an SSK an original SSKL.

Collecting and chassis evidence

For an SSK, establish the frame, engine and body histories separately. Coachwork can have its own chronology, and decades of competition can leave a car with period repairs that deserve explanation. The Louwman example is useful because the custodian discusses the particular vehicle rather than relying only on a model badge. Start with the permanent chassis identity and a dated factory specification, then organise invoices, registration documents and photographs into a chronology. A recent photograph describes present appearance; the original delivery record establishes how the vehicle left its manufacturer. Record replacements and reversible changes without erasing their dates. For a limited edition, retain the allocation paperwork and edition plate together, since a badge alone cannot establish membership. Photographs of body seams, interior fittings and mechanical markings help a specialist understand changes across time. Where a vehicle has been repainted or restored, keep the earlier material alongside the finished appearance. A clearly documented change is more informative than an unsupported claim that every component has remained untouched.

Related Mercedes-Benz designs and meaningful comparisons

The 540 K Streamliner shows a very different answer to the problem of speed: enclosing the car in a carefully shaped body. The W 194 300 SL later combined enclosure with lightweight racing construction. Together the three profiles show changes in proportion, airflow and structural thinking without implying a direct component lineage.

Reading the sources

The programme sources and the photograph answer different questions. Manufacturer and custodial records establish the original model, Type, category and published production scope. The creator’s file establishes the pictured subject, setting and image permission. An individual chassis history can then add ownership, competition entries and dated repairs without changing the scope of the original programme. Build references are not survivor counts, and a later specification does not automatically become an additional newly manufactured vehicle. Where primary evidence does not establish a complete fabrication census, that field remains unassigned.

Specifications and rarity evidence

Frequently asked questions

How rare is the SSK?

The Mercedes-Benz archive gives 33 SSK cars for 1928–1932. This historical model reference replaces the workbook’s approximate 31; it is neither a current survivor count nor a claim that every coachwork configuration is identical.

How is SSK classified?

This is a named original Mercedes-Benz road-car programme or factory body configuration within a qualifying low-volume family. The source-defined reference is below 7,500. Completed manufacture, shared allocation ceilings and current survivor counts remain separately labelled.

Which technical details are established for the programme?

The primary record supports engine: 7,100 cc supercharged inline-six; factory archive specification; transmission: Four-speed manual; rear-wheel drive; wheelbase: 2,950 mm. These are programme or explicitly attributed photo references. A particular surviving car’s engine, chassis repairs and competition preparation require its own dated documentation.

Does the photographed appearance establish factory originality?

The caption records a real creator-identified SSK subject and its documented setting. It establishes the illustration’s scope, while original components, restoration work and individual race provenance require chassis-specific evidence. A competition number, current paint or museum display is not used as an originality certificate.

What rarity or archive scope is verified?

The Mercedes-Benz archive gives 33 SSK cars for 1928–1932. This historical model reference replaces the workbook’s approximate 31; it is neither a current survivor count nor a claim that every coachwork configuration is identical.

Who photographed the supplied image?

Rutger van der Maar via Wikimedia Commons, under CC BY 2.0. The original file and licence are linked with the image. Retain the creator, source and licence when uploading, exporting or reusing it; local retouching and synthetic enlargement have not been performed.

Related Mercedes-Benz profiles

• 1938 Mercedes-Benz 540 K Streamliner
• 1952 Mercedes-Benz 300 SL Race Car

Sources and photo credits

• Mercedes-Benz manufacturer record
• Mercedes-Benz manufacturer record
• Mercedes-Benz manufacturer record

Photograph: Rutger van der Maar via Wikimedia Commons original source, CC BY 2.0. Original image or source-provided thumbnail supplied without local cropping, retouching or synthetic enlargement.