Mercedes-Benz C-Class Manuals

Mercedes-Benz C-Class (W205) 2015 - 2021 Owners Manual: Detecting risks, avoiding danger

Securing systems for child restraint systems in the vehicle

Only use the following securing systems for child restraint systems:

  • the LATCH-type (ISOFIX) mounting brackets
  • the vehicle's seat belt system
  • the Top Tether anchorages

Installing a LATCH-type (ISOFIX) child restraint system is preferred.

Simply attaching to the securing rings on the vehicle can reduce the risk of installing the child restraint system incorrectly.

When securing a child with the integrated seat belt of the LATCH-type (ISOFIX) child restraint system, always comply with the permissible gross weight for the child and child restraint system.

A booster seat may be necessary to achieve proper seat belt positioning for children over 40 lbs (18 kg) in weight or until they reach a height where a three-point seat belt can be installed properly without a booster seat.

Mercedes-Benz recommends a suitable child booster seat with a backrest and seat belt guide.

Advantage of a rearward-facing child restraint system

It is preferable to transport a baby or a small child in a suitable rearward-facing child restraint system. In this case, the child sits in the opposite direction to the direction of travel and faces backwards.

Babies and small children have comparatively weak neck muscles in relation to the size and weight of their head. The risk of injury to the cervical spine during an accident can be reduced in a rearward-facing child restraint system.

Always secure a child restraint system correctly

WARNING Risk of injury or death caused by incorrect installation of the child restraint system
If the child restraint system is incorrectly installed on a suitable seating position, it cannot perform its intended protective function.

The child cannot be restrained in the event of an accident, heavy braking or a sudden change of direction.

  • Always comply with the manufacturer's installation instructions for the child restraint system and its correct use.
  • Make sure that the entire base of the child restraint system always rests on the sitting surface of the seat.
  • Never place objects under or behind the child restraint system, e.g. cushions.
  • Always use child restraint systems with the original cover designed for them.
  • Always replace damaged covers with genuine covers.

 

WARNING Risk of injury or death from unsecured child restraint systems in the vehicle
If the child restraint system is not correctly installed or secured, it could release in the event of an accident, sudden braking or a sudden change in direction.

The child restraint system could be flung around and hit vehicle occupants.

  • Always install child restraint systems correctly, even when not in use.
  • Always comply with the child restraint system manufacturer's installation instructions.
  • Always observe the child restraint system manufacturer's installation and operating instructions as well as the vehicle-specific information:
    • Install the LATCH-type (ISOFIX) child restraint system on the rear seat.
    • Secure the child restraint system with the seat belt on the rear seat.
    • Secure the child restraint system with the seat belt on the front passenger seat. Observe the specific instructions for the rearward-facing and forward-facing child restraint systems.

      If the front passenger seat is occupied, ensure, both before and during the journey, that the status of the front passenger front airbag is correct for the current situation.

    • Observe the warning labels in the vehicle interior and on the child restraint system.
    • Also secure Top Tether if present.

Do not alter the child restraint system

WARNING Risk of injury due to modifications to the child restraint system
The child restraint system may no longer function as it is supposed to if you make modifications or attach objects to it, e.g. toys or unsuitable accessories. This poses an increased risk of injury! Never modify the child restraint system. Only attach accessories which the manufacturer of the child restraint system has authorized especially for this child restraint system.

Only use child restraint systems which are in proper working condition

WARNING Risk of injury or death caused by the use of damaged child restraint systems
Child restraint systems or their retaining systems that have been subjected to a load in an accident may then not be able to perform their intended protective function.

The child cannot be restrained in the event of an accident, heavy braking or a sudden change of direction.

  • Always replace child restraint systems immediately that have been damaged or involved in an accident.
  • Have the securing systems for the child restraint systems checked at a qualified specialist workshop before installing a child restraint system again.

Avoiding direct sun

WARNING Risk of burns when the child seat is exposed to direct sunlight
If the child restraint system is exposed to direct sunlight or heat, parts could heat up.

Children could suffer burns from these parts, particularly on metallic parts of the child restraint system.

  • Always make sure that the child restraint system is not exposed to direct sunlight.
  • Protect it with a blanket, for example.
  • If the child restraint system has been exposed to direct sunlight, allow it to cool before securing a child into it.
  • Never leave children unattended in the vehicle.

Observe when stopping or parking

WARNING Risk of accident and injury due to children and animals left unattended in the vehicle
If you leave children and animals unattended in the vehicle, they may be able to set the vehicle in motion, for example by:
  • Releasing the parking brake.
  • Shifting the automatic transmission out of park position P.
  • Starting the engine.

In addition, they may operate vehicle equipment and become trapped.

  • Never leave children and animals unattended in the vehicle.
  • When leaving the vehicle, always take the SmartKey with you and lock the vehicle.

 

WARNING Risk of fatal injury due to exposure to extreme heat or cold in the vehicle
If people - particularly children - are exposed to extreme temperatures over an extended period of time, there is a risk of serious or even fatal injury.
  • Never leave anyone - particularly children - unattended in the vehicle.
  • Never leave animals in the vehicle unattended.

Overview of suitable seats in the vehicle for installing a child restraint system

Securing systems for child restraint systems

Vehicle seat

Left/right rear seat Preferred securing system:

LATCH-type (ISOFIX) child seat securing system

Also secure Top Tether if present

Alternative securing system:
  • Vehicle seat belt
Front passenger seat Securing system:
  • Vehicle seat belt
Be sure to observe:
  • If the front passenger seat is occupied, ensure, both before and during the journey, that the status of the front passenger front airbag is correct for the current situation.
  • Notes on automatic front passenger front airbag shutoff.
Center rear seat Securing system:
  • Vehicle seat belt
 
    Always observe when children are traveling in the vehicle

    Activating/deactivating the seat belt's child special seat belt retractor

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