PSI (pounds per square inch)

A standard unit of measure for tire pressure.

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    Driving Impressions
    This CLS sedan doesn't look like a typical Mercedes-Benz. Relatively light steering detracts from the sporty feel even though handling capabilities rank high. This is a big car, yet it maneuvers l ...

    Folding the seat backrest back
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    The second generation of direct petrol injection made its debut in the CLS 350 CGI introduced in 2006. The six cylinder unit was the world's first petrol engine with piezo-electric direct injectio ...