Ratings Summary
out of 5.0
241 Reviews
Ratings Snapshot
of Reviewers
New Brighton, Minnesota
Verified Buyer
Good but not intuitive
May 5, 2024
A very comfortable and stylish car seat. It’s also extremely sturdy which I did appreciate. The installation is actually pretty difficult and not intuitive at all in my opinion. I’ve installed so many car seats and this one was by far the hardest. The lock off just isn’t very easy to use. The materials are very high quality and my son was always very happy in this seat. Ultimately I would recommend! But you definitely need to watch install videos and make sure to read the manual.
Customer Images
  • comfortable
  • cost effective
  • high RF limits
  • sturdy
  • hard to install
Newberg, OR
Verified Buyer
Happy mama
April 16, 2024
I purchased 2 of these one for an almost 3yr old and an almost 2 year old they are both in the 97 percentile and I would like to keep them rear facing for a couple more years. They are both very comfortable and seem to enjoy the seats. I enjoyed the higher rear facing weight limit and easy of installing.
Jun T.
New Jersey
Great quality
February 5, 2024
Great brand and prices
Verified Buyer
Super comfy for my 11 month old.
January 5, 2024
We love our Externis. My son is 11m and was previously in a Doona. The car seat was not as hard to install as I expected. It's fairly easy to adjust the head rest. It's pretty bug though, but most convertibles are right? But most importantly he is comfortable and safe.
  • Comfortable
  • Not too hard to install
  • Looks great
  • It's big.
Wharton, Texas
Verified Buyer
Awesome carseat!
January 1, 2024
After being in an accident, i did tons of research for my toddler, this is the carseat i chose based on safety ratings, it’s a plus it was on sale!
Los Angeles, CA
Verified Buyer
December 27, 2023
Very good quality, comfortable and safe!!!
Customer Images
Anderson, South Carolina
Verified Buyer
Nice car seat
November 29, 2023
Nice car seat. So many different positions for a comfy baby/toddler. Only downside is the washing - car seat basically had to be uninstalled to take the fabric off. That was easier with our infant maxi-cosi. Now with a potty training, snacking toddler the washing part is my only negative thing.
  • Different positions for front and rear facing
  • Washing the fabric is a hassle
Saint Cloud, Florida
Verified Buyer
Terrible fit for babe
November 19, 2023
Absolutely terrible. The head rest woudln't cover my baby's head and fit the strap norms for a safe fit at the same time. Either the head was exposed or the straps were incorrect. Not sure how this is a 5 star seat... Couldn't return and sold immediately second hand.
Milford, Massachusetts
Verified Buyer
Tough install
November 3, 2023
Works great for small sized car, only downside it’s tough to install and get it secure compared to the other brands we own for our larger vehicles. Like that it’s an all in one.
Verified Buyer
Must Have
October 21, 2023
So easy yo install, safety as well.
Aurora, Colorado
Verified Buyer
October 4, 2023
Bought two of these at separate times, one for my car and our baby loved it so much we bought another for MILs car.
Verified Buyer
Great carseat
September 28, 2023
Love it! but to leave it in the car. if you're changing cars, Its too heavy. just to keep in mind.
Havertown, Pennsylvania
Verified Buyer
Great car seat
August 29, 2023
Great car seat. Love the crash test ratings.
August 26, 2023
Very comfortable.
North Carolina
Verified Buyer
Must have !!
July 29, 2023
It is a versatile seat given the longevity it provides. My 2 year old loves it and so do I !!!
  • I am glad we have found a Safe and aesthetically pleasing looking car seat that can last us until our child no longer need ls one .
  • It was a little confusing to set up initially (even with the instructions)
Great carseat but could be easier to install
February 11, 2023
We like the cybex brand safety standards and the features but it was difficult to install because the straps just would not tighten down all the way. Definitely requires 2 adults and a lot of muscle. Other than they it's great. Glad we were able to get it to work. Also arrived quickly.
This product review was collected by the manufacturer.
Best decision ever
February 8, 2023
I was in the market for other cybex products when my sons car seat was lost by the airline. After 4 days with no word back about my child's seat being located in no way was a willing to sacrifice safety for convenience! That's when I ran across Eternis S with Sensor safe, being that my son is turning 18months it was the perfect option! Not to mention it was at my doorstep the next day which way amazing Ÿ œ
This product review was collected by the manufacturer.
Florence, Alabama
Verified Buyer
This car seat was just ok.
January 29, 2023
I don’t have any major complaints, it was just ok.
Baltimore, Maryland
Verified Buyer
Not the best
January 27, 2023
Hard to install and not easy to adjust. Not user intuitive. My daughter seemed to be in discomfort once she got taller, had to upgrade to another car seat.
Winchester, California
Verified Buyer
Good quality
January 23, 2023
So happy with the quality and love the installation videos. Easy to adjust and my 6 months is far happier in this seat. Way less crying.
Safe & Comfortable for Baby
January 20, 2023
More difficult to install than I expected. We drive a Mazda CX5 and the seats are not flat like the install video shows. Other than that our baby loves the seat. Very comfortable and feels safe.
This product review was collected by the manufacturer.
Verified Buyer
Needs work
December 30, 2022
It’s a struggle to tighten the car straps when my toddler is in the seat, which makes no sense. There are straps that go right under her bottom, so it’s difficult to pull and tighten the straps with her weight on it. We’re going to have to buy a new car seat.
  • Looks great.
Columbus, OH
Verified Buyer
Easy to set up and use! Highly recommended!
December 5, 2022
Great product! Loved how easy it was to set up and more so love how comfortable it is for my little one. I appreciate the attention to detail that the manufacturer put into the product. I also want to say that albeebaby’s customer service was incredible. I received a product that had a loose piece in the box and the customer service team quickly, within a day or so, shipped out another product! All very easy to work with as well!
Verified Buyer
I love this car seat !!!!
November 6, 2022
I loooove this car seat (:
  • I love the protection of this car seat , love how it’s easy to adjust , straps height and recline .
  • Very heavy , leave in the car if you have acrylic good luck .
Lauren A.
Good seat but ill-fitting
October 25, 2022
Really cool car seat BUT I have some issues with the fit. When the headrest is in the lower position, it makes the fabric behind the baby bunch up, and pushes her forward. I could not find any videos or tutorials of how to make this comfortable. Also, the straps are very slippery and the buckles twist around a lot so every time I put the baby in the seat I have to sort it all out. Additionally, the buckle in the crotch area is really snug and does not adjust well. Overall, I don't love how my kid fits in the seat but it is a cool concept and the rotation is clutch.
This product review was collected by the manufacturer.
Brianne M.
Best Car Seat On The Market
October 14, 2022
This car seat met all our expectations and more! The design is sleek and gorgeous! -With its 360-degree rotatable seat, it's easy to get the baby in and out of the seat, while never having to actually remove the seat from the car. -This car seat easily grows as your baby grows! The Sirona S. accommodates babies from 4 pounds to 65 pounds! Many parents have to purchase an infant seat and then the intermediate seat, but with the Sirona S you can have the same one seat for years! -I love the anti-rebound design, which helps limit the movement of the car seat and reduces crash forces. Safety is the most important feature in a car seat and the Cybex Sirona S goes above and beyond in making sure our little ones are safe! If you're looking for an amazing car seat that's both convenient and super safe, then I highly recommend going with the best choice, the Sirona S!
This product review was collected by the manufacturer.
Comfortable car seat
October 4, 2022
I love this car seat. It is very comfortable for my nine month old daughter. She feels comfortable and spacious in it. It is convenient that you can set different modes for the headrest and the position of the child's body. I am happy with the purchase of this car seat!
This product review was collected by the manufacturer.
Hovhannes D.
Incorrect description
October 2, 2022
In description shows that carseat is for babies from 0-10 but for my newborn its not fitting and I have to buy new carseat for newborn
This product review was collected by the manufacturer.
P C.
Sensor safe
September 30, 2022
I bought it for my grandson His mom loves app/phone sounds Very helpful
This product review was collected by the manufacturer.
Very happy
September 28, 2022
We needed to upgrade from the Cloud Q since we are about to have another baby. We're super happy with the Eternis S so far! Our 16 month old loves the little cup holder that he has now. It's obviously a bit bigger than the Cloud Q, he's still rear facing but he has more leg room since ther isn't a bar across the back of the seat anymore.
This product review was collected by the manufacturer.
Andrew T.
Great Car Seat
September 14, 2022
Excellent car seat. The rotating feature makes loading a breeze and it allows our child to see us better as we fasten her belts. The magnetic clip holders are a welcome addition.
This product review was collected by the manufacturer.
The best there is!
August 2, 2022
I didn't realize how much of a blessing this would be when it was gifted to us. We absolutely love this car seat! It is comfortable-our baby boy actually enjoys being in it, it is safe-most important, and it is great for adventuring families like ours! The rotation feature makes it especially helpful when getting baby in and out of our keep wrangler. I would highly recommend to families on the go!
This product review was collected by the manufacturer.
Verified Buyer
Great car seat!
August 1, 2022
I have owned a lot of different car seats over the years (I have 9 children plus I was a baby for 14 years prior to having kids). My 7 month old HATED her infant car seat (Nuna) which was leading to very stressful car rides. I started my search for a new seat. I currently have 3 Diono seats (that still have 6 years left) however, they are TERRIBLE for rear facing!!! I only purchased because I had two RF kids and 1 FF kid. Used them and hated them. I reviewed every seat, every measurement for height/width, etc! I've owned Britax, Clek, Graco, Nuna, Diono .... You name it I've used it! My 2.5 year old also wasn't comfortable in his Clek, so I bought him one to try! Here's my personal opinion - 1. Yes it's "heavy" but really it's lighter than the a Diono and just as awkward as the Britax and Clek. 2. SIMPLE to install! Love that it has dual pulls unlike Diono and Clek. 3. The recline is RIDICULOUSLY AWESOME! I have her behind the drivers seat, fully reclined and I didn't have to move the front seat! (I'm not short, 5'7) and can slip a piece of paper between the seats (if you can't, you need to move the seat forward put alter the recline). 3. My 2.5 yo is forward facing and the seat fits perfectly in the second row! His sister can still skip my to get into her seat. 4. The head rest aspect is super cool! So far, only the 2.5 yo has trialed it. His head didn't flop forward like it did in the Clek, he says it's cozy and soft (sensory issues and he gave it 2 thumbs up!!!) 5. Cup holder is okay. I could take it or leave it. 6. Please be sure to read the manual on regards to the side impact. You don't use both if there are passengers on either side only use on the side next to door / window. I give this seat 5 stars! My 2.5 yo loves it and my 7 month old (knock on wood) is no longer screaming in the car!! *I drive a 12 passenger Chevrolet van for reference*
Kaitlyn M.
Life Saver!
August 1, 2022
This car seat is so revolutionary & a back saver! I have a history of lower back injuries due to my career as a professional dancer. This design allows for me to safely get my baby into his car seat while not putting myself in a bad angle that flares up my back! So grateful for this product & design!
This product review was collected by the manufacturer.
Love it
July 26, 2022
Wonderful car seat. I don't think I'll ever own another brand. Only complaints I have is that it didn't mention the seat comes with a cup holder so I purchased one, that I now have to return, and I wish the magnets to hold the straps back were stronger. One little bump from a wiggly baby and it falls off. But I love the compartments the straps are stored in and the seat just looks safe for my baby.
This product review was collected by the manufacturer.
Verified Buyer
Great car seat
July 17, 2022
Great car seat! Easy to install and the reclining headrest is awesome!
Wylie, Texas
Verified Buyer
July 17, 2022
Has to be the most difficult seat to install securely. Following every instruction it is very difficult not only to install the seat but to get the installation comfortably secure. We also bought a Britax marathon clicktight. Night and day experience between the two. Skip cybex and look elsewhere.
Verified Buyer
Love this seat !
July 16, 2022
The safety features are amazing ! My daughter is 3 1/2 and still sits rear facing with no problem, she loves the recline for long car rides . We only by Cybex because there high safety ratings.
  • Safety , recline , head positioning, comfort,
  • More girly colors would be nice
July 9, 2022
Sometimes it's hard to turn the carseat to put our daughter in it.
This product review was collected by the manufacturer.
New Orleans
Verified Buyer
Easy install, comfortable
July 2, 2022
Easy to install rear facing with latch system. Comfy and easy to clean.
Jonathan G.
Spring Hill, TN
Best Car seat that’s not Britax
July 1, 2022
I wish other manufacturers would implement the v shaped top tether system like Britax. That’s what is so nice about Britax is that the v shape tether keeps seat in place. This one has the normal single tether at the top. It has my favorite feature on a car seat and that’s the adjustable head position. My second child was not a car sleeper till I got this seat. My son vomited all over it and I took all fabric off washed and had it back in the car in 1.5 hrs. Pretty easy and simple
  • Everything
  • I wish it had a V-Shaped tether.
Bar None
June 28, 2022
No other car seat compares. Purchased 2 Sirona S seats. Could not be more satisfied.
This product review was collected by the manufacturer.
Back saving innovation!!!!
June 27, 2022
My third pregnancy killed my back. We purchased the Sirona S because of the awesome swivel feature. It is worth its weight in gold. My son is a chunky monkey and loading him in and out of the seat is so easy. I wish this product was out when my first two were little. He thinks spinning is a lot of fun too. We also love the SensorSafe clip as I often use it to make sure all is ok temp wise in the car.
This product review was collected by the manufacturer.
May 25, 2022
It's truly the greatest car seat! We are so in love with our first one that we got the exact same car seat for our 2nd car. So easy to twist the seat to whichever side of the car you are on... makes mom life so much simpler. Cybex family for life!
This product review was collected by the manufacturer.
Game Changer
May 20, 2022
I bought two of these seats, one for myself and one for my mother. My husband still has a "normal" seat in his car and is extremely jealous about how easy it is to get my two year old in and out of the car. I dread strapping my son into the seat in my husbands car. Do yourself a favor, get this seat now! It's extremely safe and so convenient.
This product review was collected by the manufacturer.
Worth every penny
May 16, 2022
The swivel ability of this car seat alone makes it worth it, makes getting your babes in easier and easier on ones back!
This product review was collected by the manufacturer.
New York
Verified Buyer
May 9, 2022
It is beautiful- I am a big fan of Cybex, we have the Mios travel system from them and I knew this car seat would not disappoint and it is gorgeous. Matches my car interior and is very big so the baby is definitely comfortable in it
Excellent car seat
April 19, 2022
It was a tough decision. We were not quite sure which one would fit our needs best, but now we're very happy with that seat. Hope it keeps our daughter safe.
This product review was collected by the manufacturer.
So happy about our purchase
April 19, 2022
We are absolutely satisfied with the new car seat. It seems to be safe, fits perfectly and was extremely easy to install!
This product review was collected by the manufacturer.
Verified Buyer
Easy install and clean
April 14, 2022
Best car seat ever. I used 3 car seats beforeni bought enernis s. Infant car seats and 2 car seats. Both 3 car seats were not eady to clean and ride my kid. But eternis s was so easy to clean . Just take off the seat cover and laundry. Actually other 3 car seats cover were not easy to dettach and they were compose of 3~4 parts. But eternis s seat cover was easy to remove it was just 1 cover. I tumble washed and lay dried it before I install. Easy to install and safe. Love it.
  • Easy to clean

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