Cybex Sirona Z i-Size Plus SensorSafe Car Seat


The Cybex Sirona Z i-Size Plus is a safe car seat that’s designed for child safety and extra comfort for parents.


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Please note: the Cybex Z Base is not included. The base is separately available.

The Cybex Sirona Z i-Size Plus is a safe car seat that’s designed for child safety and extra comfort for parents. The 360°-rotating mechanism lets you operate with just one hand and ensures you of a comfortable entry and exit position when you put your baby in the car or carry them out after your drive. This reduces the load of your back.

Safe travels

The Cybex Sirona Z i-Size is a ISOFIX car seat (base not included) which is made to travel backwards up to 105 cm. The car seat features Driving Direction Control (DDC). This prevents forward use of the seat until your baby is around 16 months and at least 76 cm. Thanks to the ER Technology (Energy Reduction) forces of a frontal impact are reduced with 20% in comparison with other harness systems.

Linear side impact protection

The Cybex Sirona Z i-Size has a telescopic Linear Side Impact (L.S.P.) system. This reduces the force of a side impact collision in combination with the energy absorbing shell. The flexible texture of the material of the shell reduces the force of an impact and protectively covers the baby. The height adjustable headrest offers perfect protection and grows with your child. The seat is provided with a lot of measures to make travelling with your child as safe as possible.

SensorSafe Technology

For extra safety the Cybex Sirona Sirona Z i-Size Plus features the SensorSafe technology. The technology gives you updates through the SensorSafe app in your smartphone and lets you know when the temperature in the car gets too hot or too cold, warns you when your child unbuckles itself, and notifies you when your little one has been sitting in the seat too long.

The app also warns you when your child is still in the seat when you left the car. If there’s no response on the warning your emergency contacts will be informed about the situation. This way SensorSafe offers you multiple options to give you an extra feeling of safety for your baby in the car seat.


  • suitable for children from 0-4 years (45-105 cm.)
  • installed with one click with ISOFIX (base not included)
  • Cybex Z Base available separately
  • forward and backward faced travelling
  • recline with just one hand
  • height adjustable headrest (12 positions)
  • energy absorbing shell
  • SensorSafe Technology
  • L.S.P. system
  • 360° rotatable mechanism
  • Driving Direction Control
  • belt holder
  • fabric is machine washable at 30°C
  • dimensions: 71,5 x 43 x 62 cm.
  • weight: 15 kg.

Additional information


Deep Black, Khaki Green, Nautical Blue, Soho Grey


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