The CYBEX Sirona S is the first Convertible Car Seat in the U.S. to feature an innovative 360° rotatable seat with a load leg, making switching between rear-facing and forward-facing positions quick and easy. The Sirona S load leg stabilizes the seat and can significantly reduce crash forces. These features, combined with an EasyLock™ bar for quick, simple, and secure installation, offer advanced safety protection for children — and greater peace of mind for parents.
- Innovative, one-hand 360° rotatable seat allows parents to easily get their child in and out.
- Load leg stabilizes the car seat and can reduce rotation in certain crashes by up to 30%.
- Only Convertible Car Seat in North America with a one-time vehicle belt installation for both rear-facing and forward-facing mode.
- EasyLock™bar reduces force needed for quick, simple, and secure installation.
- Smart-tech harness chest clip with SensorSafe™technology alerts parents if their child becomes unbuckled, the car temp gets too warm, or unsafe conditions arise.*
- 12-position recline adjustment even while the seat is in use.
- Linear Side-impact Protection absorbs up to 25% more impact in a collision (when compared to the same car seat without L.S.P. extended).
- Anti-rebound design reduces car seat rebound movement.
- Magnetic buckle holders make entry and exit from the seat a breeze.
- Dishwasher-safe cup holder can be positioned on either side of the seat.
- 12-position, height-adjustable headrest with a no-rethread harness.
- Dual-level indicators help ensure the proper car seat angle.
- Steel reinforced frame provides strength and durability.
- Harness pads and 3-position padded buckle provide extra comfort.
- Removable newborn insert provides support for small babies.
- Innovative one-pull LATCH removal system.
- LATCH Connection storage inside the base when not in use.
- Rear-facing from 4 lbs. to 50 lbs. Forward-facing from 22 lbs. to 65 lbs.
*SensorSafe is compatible with most vehicles 2008 or newer with an OBD II port. For some electric vehicles, contact CYPBEX as an additional adapter may be needed.
30” D x 19” W x 24” H
- 30.4 lbs.
- Use from birth up to 65 lbs. or 49 inches, following the directions in your user manual
Shipping & Returns Policies
Order Processing & Shipping Estimates
- In stock items will be shipped within 2-5 business days.
- Pre-order or special-order items will have the estimated availability and/or shipping date mentioned on the product page.
- Orders exceeding $74.99 (USD) are eligible for free shipping, all other orders will encounter a shipping fee.
We at Mega Babies, pride ourselves with excellent customer service. We value our customers and want them to be pleased with their purchases. If for any reason you would like to return an item, Mega Babies offers a 30 day return policy with 100% money back guarantee.
How To Process A Return
- Please include the order number when processing a return.
- Place items in original packaging.
- Include all merchandise tags.
Return Shipping Address
Terms & Conditions
- Return Items need to be in unused and brand-new condition, include all merchandise tags, and in the original packaging.
- The product may be taken out of the box to check if it meets your expectations. However, if any damage to the product is observed upon return, the return may be refused, or only a partial refund will be provided.
- Clearance and reduced items are final sale.
- Custom and specialty orders (furniture, mattresses, etc...) are non- refundable.
- Refund payment will be credited to the card used when purchased.
- Allow 1-2 weeks for returns to be processed.
- Customer is responsible for return shipping fee.
- Shipping cost is non-refundable.
- Items received as a gift, can be exchanged or eligible for store credit only.
- If a package is delivered to wrong address due to incorrect address entered by customer, a refund will not be issued unless product is returned. (Please contact us immediately for any address updates.)
- If a package is undeliverable (e.g., wrong address/ missing unit/apartment #) or refused, there will be a refusal fee plus our actual shipping costs which include the freight to and from the customer.
We are here to guide you with any issues you have with items under warranty that malfunction and/or have defects. Unfortunately, we are not allowed to handle the claim directly. Claims need to be filed with the company. In any event you fail to reach the company, Mega Babies will try to intervene on your behalf.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.