Weight of optional extras

The combined weight of those optional extras that weigh more than the replaced standard part and more than 2.3 kilograms (5 lbs).

These optional extras, such as highperformance brakes, level control, a roof rack or a high-performance battery, are not included in the curb weight and accessory weight.

    See also:

    Uniform Tire Quality Grading Standards
    A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. Ratings are determined by tire manufacturers using U.S. government ...

    Tire pressure specifications
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    Safety
    The 2012 M-Class was deemed a Top Safety Pick by the Insurance Institute for Highway Safety, meaning it received the top score of Good in front- and side-impact crash tests, as well as for roof st ...