See also:

Symbols and messages in the display
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Seat belt maintenance
Check periodically that the seat belts are in good condition. Use water and a mild detergent for cleaning. Check seat belt mechanism function as follows: attach the seat belt and pull rapidly on t ...

Safety
There's no shortage of safety features in the C30, including standard all-disc antilock brakes with electronic brake-force distribution and brake assist, side-impact airbags for the front seats, s ...