This Mercedes 500 SL impresses with its extensive facilities all round .
The world premiere of the new 129 series SL in March 1989 belonged to the main attractions of the Geneva Motor Show. The new types 300 SL, 300 SL-24 and 500 SL showed no common features with their preceding models except for their overall concept. Just like 18 years before, when the 350 SL demonstrated a great number of innovative construction details in automotive progress, the 129 series SL now also was a completely new car.
The main attraction at the Geneva Motor Show was the 500 SL, not only the most powerful SL with its 326 hp 5-liter 4-valve V8-engine, but also the most powerful standard Mercedes-Benz car. The design of the 4-valve V8 with code M 119 was based on the 5-liter light-alloy M 117, which had been produced for ten years. To improve performance the crankcase, crankshaft and connecting rods had been extensively improved. The 4-valve cylinder head was a new development; like that of the six-cylinder engine it had adjustable inlet camshafts. As with both six-cylinder engines, the exhaust and catalyst system had been thoroughly revised. The sheer power of the 5-liter 4-valve engine gave the 500 SL breathtaking performance far in excess of that of its predecessor: 0-100 kph was achieved in 6.2 seconds and the top speed was electronically limited to 250 kph.
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