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Cybex Sirona M2 i-Size Car Seat 2018

  • i-Size tested to highest safety standards
  • Extended rear facing for additional safety
  • Multiple recline positions for little one's comfort
NOW £158.99 £151.42
(Incl. VAT) (Excl. VAT)
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Product Details

The Cybex Sirona M2 has long been a favourite of parents with its ability to be used in both rear and forward facing positions, with the ability to go rear-facing all the way up to four years. This i-Size version of the Sirona does NOT come with the required base for installation which is ideal if you're using the Sirona as a follow-on seat from the Aton M because you can use the Base M ISOFIX base for both seats. A version with a base included is available separately.

  • i-Size tested to highest safety standards
  • Extended rear facing for additional safety
  • Multiple recline positions for little one's comfort
  • Height adjustable headrest grows with your child
  • Install safely in seconds with ISOFIX connectors (base sold separately)

All about me

The Sirona M2 is a little bit different from its predecessor - the swivel and impact cushion are gone - but all the safety and comfort features are still there and improved to ensure it meets the stricter R129 (i-Size) standard! A new feature is the integrated Linear Side-impact Protection system to offer a shock absorber to help absorb energy from a side impact faster.

The removal of the swivel function allows the Sirona M to be more compact (the original was rather bulky!) which gives it great compatibility with cars. The seat now has a click-in system which allows for an easy change between rear-facing and the optional forward facing position.

Keeping a great deal of adaptability, the Sirona M has a 12 position height-adjustable headrest to grow with your child, and the harness grows too so no complicated rethreading. The harness can also be held open with the magnetic clips to make getting your little one in and out easier.

For comfort, and an ideal sitting and lying position the seat has 5 recline positions in rear-facing mode or 3 in forward-facing mode. It's easy to operate one-handed.

This is just the seat only, the base is not included and is designed for people who purchased the infant carrier and base and now need the next stage seat using Cybex's modular system.

Suitable from Birth to 105cm (Approximately 4 years)
Rearward Facing: Birth to 105cm
Forward Facing: 15 months to 105cm

R129 "i-Size" compliant
ISOFIX installation with base (base sold separately)


Height 66cm
Width 44cm
Depth 72cm
Weight 14kg
MPN517000697, 517000701, 517000703, 517000705, 517000707, 517000709, 517000711, 518000323, 518000325, 518000327, 518000329, 518000331, 518000333, 518000335

Customer Reviews

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Please note finance is only available on UK orders.

Delivery & Returns

UK Mainland Delivery Prices

Delivery Type Cost Estimated Delivery Time
Standard Delivery for orders under £39.99 from £0.59 2-3 working days from day of despatch
Standard Delivery for orders over £39.99 Free
Express Delivery from £0.83 Order before 4.30pm Monday to Friday for next working day delivery
Special Delivery from £11.94
Click & Collect from £5.94 Collect your parcel from a local post office. 2 - 3 working days from day of despatch

For international shipping please visit our delivery page.

For information about returning an item please visit our returns page.