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Your cart is empty.The CYBEX Eternis S with Sensor Safe All-In-One Car Seat offers 10 years of use in one easy-to-use package - making it the only car seat your child will need, from birth and beyond. The Sensor Safe technology integrates important next-gen safety features into the chest clip of the car seat to alert you when unsafe situations arise. The Eternis S offers an adjustable Linear Side-impact Protection (L. S. P. System), which absorbs up to 25% more impact forces in the event of a side impact collision and a patented 3-position reclining headrest, which helps prevent the child's head from falling forward while asleep, guiding the head and neck into a safe position. These features, combined with a steel reinforced frame for strength and durability provide advanced child safety protection and peace of mind. Suitable from 4 lbs. up to 120 lbs., the Eternis S offers 3 stages of protection - as a rear-facing infant seat up to 50 lbs., a forward facing convertible seat and then as a belt-positioning booster that lasts through your child's first 10 years of age. SensorSafe is compatible with most vehicles 2008 or newer with an OBD II port. For some electric vehicles, contact Cybex as an additional adapter may be needed.
K C
2025-08-18 13:39:01
Great car seat, comfortable and safe. Perfect for new and vetern parents. Never have to worry about being to tired and forgetting your child in the car because your phone will send you an alert if your to far from the car, it will send you an alert if your toddler unbuckles while driving, and heaven forbids you get into an accident but it will send messages to your emergancy contact's (it will send messages to if you leave your child in the car and not respond in time. All car seats should have this feature. Fabric is easy to remove to clean.Cons- This has to be one of the heaviest car seat out there (over 30lbs) makes traveling or switching cars a little frustrating.Doesn't have a built in cup holders. Again moving seats or traveling makes it easy to lose or misplaced. But also, sometimes it moves on the seat and the cup tilts.
Destinie Lopez
2025-07-20 12:46:05
I wish I would’ve caught this sale. I purchased the blue seat for my 18 month old. I absolutely love this seat. My baby girl is super comfortable in it! Quality and design are on point. It’s not too bulky but still secure. I prefer it over the Nuna seat.
Viktor
2025-06-29 17:44:31
Very comfortable and soft
Koots
2025-06-18 15:11:49
Ease of installation looks good good quality good value
Kristin M. Coffey-Taylor
2025-06-14 14:59:18
I've been using car seats since my oldest was born, 16 years ago! Safety, comfort, and features have changed SO much in that time. I am usually a loyal Graco and Britax car seat purchaser, but this seat won me over with the extra features. The fabric is smooth, soft, and nicely padded. The 3 way adjustable headrest is going to come in so handy when my LO gets older. Installation was fast, we're talking less than 2 minutes rear-facing. Having multiple recline options means not having to use pool noodles to get a proper level. My LO is 10 months and was all smiles for her first 30min car ride in this seat. I would highly recommend it if you are looking for top of the line safety and comfort!
Valery Ruiz
2025-05-31 15:22:03
Seguridad y comodidad para mi bebé excelente debes comprarla!
Melissa Butler-Cumberland
2025-05-09 17:04:11
I honestly hate to give three stars, but what I really disliked about the car seat was the straps. I literally had the car seat for a week and returned it. Which is unfortunate because we had the infant car seat which we loved. So we knew we were gonna stick with the brand. Unfortunately, the car seat is so big that I had to lower the back of the seat just to pull the strap to tighten the harness. And honestly I really wasn’t a fan of the installation of the tether straps! But we are staying with the brand just a different seat!
Paulina Chapa
2025-02-12 14:16:18
Llegó antes de lo esperado y funciona perfecto
Ana
2025-01-28 15:30:08
ESTAMOS FELICES CON ELLAS, MIS DOS BEBES VAN SUPER COMODOS.ESTAN MUY BONITAS EN DISEÑO, LA TELA ES RICA Y ES FACIL AMARRAR Y DESAMARRARLOS DE ELLAS.EL APP FUNCIONA SUPER BIEN POR SI SE TE QUEDA UNO DE LOS NIÑOS EN EL COCHE O UNO SE LLEGA A DESABROCHAR.
Alex Mtz
2025-01-20 13:40:36
Muy completa el asiento de carro, si es algo brumoso para un carro sedan "común" pero se ve sólido y cómodo, si funciona al 100 el sensor en MX, solo que no es muy buena la App.
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