Cleaning the seat belts

solution.  Use clean, lukewarm water and soap solution.

using chemical Do not clean the seat belts using chemical cleaning agents. Do not dry the seat belts by warming them above 176 °F (80 °C) or placing them in direct sunlight.

WARNING
Do not bleach or dye seat belts as this may severely weaken them. In a crash, they may not be able to provide adequate protection.

    See also:

    Please bear the following in mind
    Resetting the service interval display A qualified specialist workshop, e.g. an authorized Mercedes-Benz Center, will reset the service interval display after the necessary service work has bee ...

    Important safety notes
    Service products include the following:  - fuels (e.g. gasoline, diesel)  - additives for exhaust gas aftertreatment (DEF)  - lubricants (e.g. engine oil, transmission oil) ...

    Cleaning genuine wood and trim elements
    – Wipe the wooden trim and trim pieces with a damp, lint-free cloth, e.g. a microfiber cloth. – Heavy soiling: use car care and cleaning products recommended and approved by Mercedes-Benz. ...