See also:

DOT, Tire Identification Number (TIN)
U.S. tire regulations prescribe that every manufacturer of new tires or retreader has to imprint a TIN in or on the sidewall of each tire produced. The TIN is a unique identification number. ...

Mercedes-Benz M-Class Owners Manual
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Interior lighting control
Important notes In order to prevent the vehicle's battery from discharging, the interior lighting functions are automatically deactivated after some time except for when the SmartKey is in positio ...