Tue, 11 Jun 2013 02:30:00 GMT | By Msn Cars
Mercedes S-Class innovations

Seatbelt pretensioners: 1981



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Although Volvo invented the seatbelt itself, Mercedes invented the seatbelt pretensioner system, which came as standard in the 1981 S-Class. This reduced the risk of occupants sliding about in the seat during a crash.

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