Mercedes-Benz 290 1934–1937 car dimensions: 4870 mm long, 1730 mm wide and 1660 mm high. Unladen weight is 1,980 kg.
The cabin is finished in leather with wood dashboard trim and a simple instrument panel holding three dials for fuel, coolant, speed and sometimes revs. Front seats are individual buckets. some long-wheelbase two-door cabriolets add a transverse emergency or tumble seat behind. Side windows wind fully down and the windscreen folds flat. No power assistance, electronics or modern driver aids appear in any specification.
A small external trunk is integrated into the sloping tail and opens only from outside. Two spare wheels sit in a cradle behind the trunk on many examples, leaving little room for luggage.
Payload is listed at 370 kg. No towing capacities are published for the passenger models.
The cabin is leather-clad with individual front seats that deliver a comfortable ride. A wood dashboard frames the instruments. As a cabriolet the open top brings fresh-air motoring while the independent suspension smooths bumpy roads.
Gasoline fuel, 17 l/100 km consumption
56 litre rear fuel tank
Hydraulic drum brakes on all four wheels
Independent front suspension and rear swing axle
Manual gearbox with vacuum overdrive
The 2.9-litre inline-six runs on gasoline and is rated at 17 litres per 100 km. A 56-litre tank sits at the rear.
Hydraulic brakes work on all four wheels. Independent suspension at both ends gives a comfortable ride and stable handling for the period.
No fixed service interval appears in the published data. Routine care centres on the carburettor, oil, and the convertible top mechanism. Leather upholstery and wood trim need regular attention to stay presentable.
Length 4870 mm, Width 1730 mm, Height 1660 mm, Wheelbase 3300 mm (290 1934–1937)
Sources: manufacturer data, Mercedes-Benz Public Archive technical data, Wikipedia/Werner Oswald.