The 300 SL has a tubular frame on a steel chassis, with a steel body attached to the frame. To reduce weight, its bonnet, doors, dashboard, and boot lid are aluminum.
exterior
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The steering wheel pivots on its hub 90 degrees away from the dashboard. Storage space for luggage is behind the seats; the boot only holds a spare wheel and fuel tank.
interior
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Engine size went from three to 3.5 liters. Than modifying its engine size Benz created two roadsters to campaign on the D Modified class SCAA circuit.