Mercedes-Benz C-Class: Important safety notes - SmartKey battery - SmartKey - Opening/closing - Mercedes-Benz C-Class Owners ManualMercedes-Benz C-Class: Important safety notes

Have the batteries changed at a qualified specialist workshop.

Batteries contain toxic substances.
Swallowing batteries can lead to serious health issues or death.
Keep batteries out of the reach of children.
Seek medical attention immediately if a battery is swallowed.

The SmartKey batteries contain perchlorate material, which may require special handling and regard for the environment. Observe government disposal guidelines. California residents, see

    Checking the battery
    Checking the battery Press the or button. The battery is working properly if battery check lamp 1 lights up briefly If battery check lamp 1 does not light up briefly during the test, th ...

    See also:

    General information
    The fuel system consists of a fuel tank, an electric fuel pump (located in the fuel tank), an EFI/fuel pump relay, fuel injectors, a fuel pressure regulator, an air cleaner assembly and a thro ...

    Measurements are made by ultrasound sensors in the bumpers. The range is approx. 6 ft/2 m. An acoustic warning is first given: ▷ By the front sensors and two rear corner sensors at approx ...

    Hazard Warning Flasher
    The hazard warning lights should always be used when you stop on or near a roadway in an emergency. The hazard warning lights warn other drivers that your vehicle is a traffic hazard and that t ...