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Cybex, SIRONA M2 I-SIZE Car Seat

Deep Black
Granite Black
Soho Grey
Sirona M2 rear-facing Car Seat

The CYBEX Sirona M2 i-Size complies with the new European requirements and regulations for car seats UN R129. This "i-Size regulation" states that children aged 15 months and under must travel in a rear-facing infant car seat, which is seen as the safest mode of transport by many experts, including consumer and health organisations such as Which?, the ADAC and the German independent consumer testing organisation Stiftung Warentest.

Highest safety and comfort until your child reaches 105cm in height

When using the CYBEX Sirona M2 i-Size, the child can be transported in a rear-facing position from birth until they reach 105 cm in height (approx. 4 years). The new, intelligent design means that even taller kids have plenty of leg room to sit comfortably. But it doesn't take up too much space either – the Sirona M2 i-Size can be easily installed in smaller cars. Additional features such as the one-hand reclining function provide extra convenience and make everyday use easier.

  • Rearward facing up to 105 cm, approx. 4 years
  • Alternatively forward facing from 16 months and 76 cm
  • Integrated L.S.P. System
  • One-hand recline function
  • Height adjustable headrest
  • Click-in system to change seat position
  • Second stage seat of the modular M sytsem, to be used with the Cybex Base M ( base not included)

    Technical and Spec

    • HEIGHT 45 cm - 105 cm 
    •  WEIGHT Max. 19 kg 
    •  AGE From birth up to approx. 4 years


    • One-hand recline function
    • 12-position height adjustable headrest
    • Energy-absorbing shell: Absorbs the forces of an impact and protectively covers the baby
    • Belt holder: Makes taking your child out of the seat easy
    • Engineered and Designed: Germany
    • Weight: 15kg


    • This carseat comes in 1 box.
    • Suitable for car collection.
    • Delivery for this item across Ireland, NI and UK is €10. 
    • For details on international delivery please contact our team

    Returns Policy

    • A 15% restocking fee is charged on all Pushchair and Carseat returns, see full details here.

    What's Included

    • Sirona M2 i-Size
    • Newborn Inlay
    • ISOFIX Guides


      UN R129