Cybex Sirona M2 i-Size Including Base M - Stardust Black


RRP: £350.00

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The NEW Cybex Sirona M2 i-Size complies with the new European requirements and regulations for car seats ECE R129.

This new "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.

The new Sirona M2 i-Size allows you to transport babies rear-facing from birth up to a height of 105 cm (approx. 4 years). Children can also be transported forward-facing
once they are older than 15 months and reach a height of 76 cm.

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 include a click-in system that allows for easy interchange between forward and rear-facing position and a one-hand reclining function to 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.

The 12 position height adjust headrest provides comfortable protection that grows with your child, and there's no need to worry with the integrated harness guides that grow along side the headrest so nor re-threading is needed.

This package includes the IsoFix Base M. Due to the individual adjustable IsoFix connectors as well as the height adjustable load leg, the Siron M2 gains extra stability and safety on the Base M.

The one-click installation offers a safe and simple installation that requires no further fastening. Installation indicators also help to prevent a possible misuse.

Cybex recommend prolonging the time that children travel in a rear-facing position in the Sirona M2 i-Size until they are around 105 cm in height (approx. 4 years).

The Sirona M2 i-Size can also be used in cars which do not comply with i-Size, please see the Cybex Base M compatibility list.

i-Size helps parents choose the right car seat by focusing on a child’s height rather than weight. i-Size approved car seats can be used in most cars that have IsoFix fittings, which has been standard in most vehicles since 2007, making the seat easier to install correctly. The legislation also states that the child must travel rearward-facing up to a minimum of 15 months old.

Please visit the Direct2Mum community page for more information on the new i-Size legislation.

i-Size Compliant

Manufacturers Warranty

Isofix Installation

Suitable From Birth

Side Impact Protection

Car Seat Base Included

Rear Facing

Forward Facing

5 Point Safety Harness


Adjustable Headrest

Other Colours Available

Machine Washable

  • 10490038496
  • L 72 x W 44 x H 66 cm
  • Black
  • Unisex
  • 517000939
  • - Birth To 4 Years
  • - 45cm Up To 105cm
  • - 76cm/15 Months Up To 105cm
  • - Easily Change Between Rear & Forward Facing
  • - 5 Rear-Facing & 3 Forward Facing Positions
  • - Extendable On Side Facing The Car Door
  • - 12 Position Adjustable Headrest With Integrated Harness Guides
  • - IsoFix With Base M (Included)
  • - Keeps Harness Out Of The Way
  • - Absorbs The Forces Of An Impact
  • - Machine Washable At 30°C
  • - 14 kg