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Cybex Sirona M2 i-Size With SensorSafe - Tropical Blue

by Cybex

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The new CYBEX Sirona M2 i-Size complies with the new European requirements and regulations for car seats ECE R-129.

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.

Whether rear or forward-facing, the CYBEX Sirona M2 i-Size’s integrated Linear Side-impact Protection system (L.S.P. System) increases the level of safety in case of a side-impact collision. The L.S.P. system can be folded out and reduces the force of a side-impact collision in combination with the head and shoulder protectors.

SensorSafe Technology:Peace of mind for you, ultimate safety for your child. CYBEX fuses smart technology and smart design with the introduction of SensorSafe: a unique child monitoring system that ensures the safety and health of your child is always your first priority. Available for several Platinum and Gold i-Size car seats, the SensorSafe clip attached to the harness system, keeping you informed of the safety and health of your seated child at all times. SensorSafe provides essential alerts to help prevent critical situations: when your child unbuckles the clip, when the ambient temperature of your child is too hot or too cold, if your little one is left unattended in the car, and if your child has been seated for too long. All alerts are received via Bluetooth on your smartphone through a user friendly app that also provides guidance on installation, how-to videos, FAQs and more.


  • From newborn to toddler (approx. 3.5 - 15 kg)

  • Rearward facing from 45 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

  • 12-position height adjustable headrest

  • Energy-absorbing shell: absorbs the forces of an impact and protectively covers the baby

  • Belt holder: easy entry and exit position

  • Fabric covers machine washable at 30°

  • Engineered and designed in Germany

  • Measurements in mm: L 660 x W 440 x H 455

  • Weight: 14 kg

  • Delivery: 1 Sirona M2 i-Size (base not included, newborn inlay and ISOFIX guides)

Car seat fitting service
We offer 1:1 appointments with our Nursery Specialist
Payment plans available
Family run business established 2007