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English   Mercedes O 405
16.08.2009 von admin

German version
Mercedes O 405
  • Commuter comfort on a new basis
  • Trailblazer for alternative drive systems
  • Continuous expansion into an extended family of buses

Mercedes-Benz „S 80“

In the late 1970s, the standard regular-service urban bus Mercedes-Benz O 305 and its sisters, the O 305 G and O 307, had reached a tremendous level of maturity. On the other hand, the time had come to develop a successor. The premier comfort feature of urban buses, with passengers frequently boarding and alighting after short trips, is a low bus floor and convenient entrance. This not only applies to passengers whose mobility is impeded; for all other passengers too it means rapid and safe entry and exit.

“S 80” was the prototype of a new generation of Mercedes-Benz urban buses which went into trial operation in 1980. Its technology and equipment were defined by a committee of the Association of Public Transport Companies (VÖV, today the Association of German Transport Operators (VDV), in which operators and manufacturers jointly worked out a uniform concept for standardized buses in a specifications book. However, the new buses were ahead of their time: The low-profile tires caused problems because they got too hot. As a result, not only was tire mileage reduced, but brake service life too.

Based on this experience, the demands on the new standard regular-service urban bus were reduced. The tires were made bigger, but two steps instead of the previous three of the first generation made entering the new buses much more comfortable. The look of the new Mercedes-Benz O 405 standard regular-service urban bus of 1983 was close to that of the S 80. Characteristic features: the cubically designed 11.5 meter long body with generous glazing and the big destination indicator box over the windshield, plus a striking U-shaped bumper which enclosed the rectangular headlamps. Headroom and the lines of sight were considerably enlarged; inside, the O 405 seemed much more spacious than its predecessor. An improved heating and ventilation system gave the interior the right temperature. Initially, engine output started at 150 kW (204 hp) delivered by a horizontally installed in-line six-cylinder at the rear of the bus.

Mercedes-Benz O 405 SL II

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