Mercedes-Benz C-Class (W205) 2015 - 2021 Owners Manual: Activating/deactivating the seat belt's child special seat belt retractor

Mercedes-Benz C-Class (W205) 2015 - 2021 Owners Manual / Occupant safety / Safely transporting children in the vehicle / Activating/deactivating the seat belt's child special seat belt retractor

WARNING Risk of injury or death if a seat belt is unfastened while the vehicle is in motion

If the seat belt is released while the vehicle is in motion, the child restraint system is no longer correctly secured. The child seat safety feature is deactivated and the seat belt is drawn in a bit by the inertia reel.

It is therefore not possible to engage the seat belt again.

Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions.
Activate the child seat safety feature again and correctly secure the child restraint system.

When enabled, the special seat belt retractor ensures that the seat belts of the front passenger seat and rear seats do not slacken once the child restraint system is secured.

The seat belts on the following seats are equipped with a special seat belt retractor:

Front passenger seat

Rear seats

To install a child restraint system: when installing a child restraint system, always observe the manufacturer's installation and operating instructions as well as the information in this Operator's Manual.
Pull the seat belt smoothly from the seat belt outlet.
Engage the seat belt tongue in the seat belt buckle.
To activate the special seat belt retractor: pull the seat belt out fully and let the inertia reel retract it again.
When the special seat belt retractor is activated, you should hear a ratcheting sound.
Push the child restraint system down until the seat belt sits tightly.
To deactivate the special seat belt retractor: press the release button of the seat belt buckle.
Hold the seat belt tongue and guide back to the seat belt outlet.

Detecting risks, avoiding danger

Installing the LATCH-type (ISOFIX) child restraint system on the rear seat

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