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Aton B2 i-Size
The new and award-winning Aton B2 i-Size infant car seat (06/2022 ADAC, infant 45-87 cm): With Linear Side-impact Protection, newborn inlay and height-adjustable headrest, it helps you get your baby safely from A to B.
- Age max. 2 yrs
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Product Code:
521003591 (Dynamic Red)
Product Details
Safe. From day one.
CYBEX presents the new Aton B2 i-Size infant car seat. Developed according to the latest safety standard, it features Linear Side-impact Protection that reliably protects your baby while traveling. In addition to this, the removable newborn inlay and height-adjustable headrest ensure maximum comfort during your child's first two years. At 3.8 kg, the Aton B2 i-Size is not only lightweight, but also easy to handle after the ride. It is compatible with CYBEX strollers and other select brands. The foldable USF50+ XXL sun canopy of the Aton B2 i-Size protects against sun and wind even outside the car. With this car seat you and your baby can get safely from A to B from day one.
Specifications:
- UN R129/03 i-Size
- Weight: Max. 13 kg
- Height: 45 cm - 87 cm
- Age: From birth up to approx. 24 months
Care instructions:
- Fabric covers machine washable at 30°
Compatible with:
- Base One
- Summer cover
- Sun Shade
- Insect Net
- Rain Cover
- ISOFIX guides
- SensorSafe 4-in-1 Kit
- Snogga Mini 2
Optimal protection for peace of mind
The latest R129/03 safety standard was the benchmark in the development of the Aton B2 i-Size. The infant car seat and matching Base One are approved to the latest standards, have i-Size compatibility and have undergone extended side-impact testing.
Reduces the force of a side-impact
The Linear Side-impact Protection System increases safety in the event of a side-impact collision. In combination with the energy-absorbing shell, it can reduce the force of a side-impact by approximately 25%.
Protects your child from sun and wind
The XXL sun canopy is made of UPF50+ fabric that protects your child's sensitive skin from the sun's rays. Additionally, the foldable canopy reliably shields from wind when the journey continues outside the car.
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Measurements
- Length
- 660 mm
- Width
- 440 mm
- Height
- 390 mm
- Weight
- 3.8 kg
What is included?
- Aton B2 i-Size Infant car seat
- Newborn Inlay
- User Guide
Check your Car Compatibility
To confirm whether this car seat is suitable for installation in your vehicle, please use our Car Compatibility Checker.
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How do I know if my car seat is suitable for an aircraft?
You can determine if your car seat is aircraft approved if it has the TÜV Rheinland seal with the reference “For Use in Aircraft”. Car seats with this seal are specifically tested for safety and use with a two-point harness system, as found in an aircraft. Please note, that not every airline recognizes this seal as valid, therefore it is essential to refer to your airline’s regulations to confirm whether you can use your seat, even if the seat has the seal of approval.
Will the car seat fit in my vehicle?
It is important to check whether the car seat is compatible with your vehicle before you purchase it. The car seat is approved for use in i-Size compatible vehicle seating positions as indicated by vehicle manufacturers in their vehicle User Guides. If your vehicle does not have an i-Size seating position, please check the Car Compatibility Checker on the CYBEX Website.
How do I know when my child needs to change to the next car seat?
We generally advise against prematurely switching from an infant car seat (45-87 cm, max. 13 kg, from birth up to approx. 24 months) to the next seat. Even if your child’s feet protrude outside the infant car seat, or if your baby can already sit up, your child has not necessarily grown out of the seat. However, if your child's head is protruding above the top edge of the seat and your child already weighs over 13 kg, it is time to change the seat as it will no longer provide sufficient protection to the child’s vulnerable neck and head area.
Can I use this car seat on a flight?
No, this car seat is not approved for use on an airplane.
Can I also use the infant car seat without the base?
Yes, your infant car seat can be installed in a car without using a base: In this instance, the car seat is installed using the vehicle belt. This is useful when travelling in a taxi or a second car. However, we recommend using the infant car seat in conjunction with the base, for better safety and stability. If installing the infant car seat on the front passenger seat, it is important to ensure that the front airbag has been deactivated.
Is it ok to keep using a car seat after an accident?
We at CYBEX strongly recommend that you replace a car seat after any kind of accident. This is because tiny hairline cracks, which may not be visible to the naked eye, can appear in the plastic parts of a car seat after an accident. These cracks can pose an increased risk to safety.
My car seat is faulty, how can I get it repaired?
Please refer to the retailer where you bought your CYBEX car seat. They will deal with the matter on your behalf.
Where can I get replacement parts for my product?
You can order replacement parts from a specialist retailer near you. To find a store near you, simply go to the Store Locator on the CYBEX Website.
When should I remove the newborn inlay?
The newborn inlay has to be removed when your infant reaches a height of 61 cm (corresponding to approximately 3 months). This ensures that your growing baby has enough space in the car seat.
How do I correctly secure my child in the seat?
Please observe the instructions in the User Guide. Adjust the child car seat to the size of your child and make sure that he or she is properly strapped in to ensure maximum safety.
Can I wash the newborn inlay and car seat cover in the washing machine?
Yes, both are washable. We recommend using a delicate wash cycle and a maximum temperature of 30 degrees Celsius. Detailed instructions can be found in the User Guide.
Can I also use the infant car seat in a car without ISOFIX anchorage points?
When this infant car seat is used in conjunction with a base, it can only be installed either in i-Size approved vehicles or in vehicles with ISOFIX anchorage points. If you are installing the car seat with the vehicle’s 3-point belt, ISOFIX anchorage points are not required. Before purchasing the seat, please refer to the Car compatibility list on our website to see whether or not the car seat is compatible with your vehicle.
How can I clean my car seat?
Car seats can be cleaned using a vacuum cleaner or damp cloth. Sand or other dirt beneath the cover can also be removed in this way. To clean the plastic parts of the car seat wipe them with a cloth using a mild detergent and warm water. (Warning: Please do not use chemical detergents or bleaching agents under any circumstances.) Please note that a car seat should never be dismantled for cleaning. Please always refer to your car seat’s User Guide when carrying out care and maintenance on your car seat. Generally the seat covers are machine washable at a maximum temperature of 30˚C on a delicate cycle. If you wash them at a higher temperature, the cover fabric might lose its color or shrink. Please wash the cover separately and never dry it by machine or in direct sunlight. (Warning: Only the cover of the car seat can be machine washed. The car seat itself is not machine washable.) Should you wish to clean a car seat more thoroughly than recommended above, you will have to have it cleaned professionally. Please ask the retailer who sold you the car seat to refer you to a professional service.
When I install the car seat using the vehicle belt, my baby’s head nods forward onto his/her chest even though the seat appears to be positioned horizontally. How can I prevent this?
If your child’s head is nodding forwards while sat in the infant car seat belted with the vehicle belt, this may indicate that the infant car seat is not positioned at a horizontal level, even though the symbol on the seat seems to indicate that it is. One reason for this is that many vehicle seats have a relatively steep incline, especially in smaller vehicles. Therefore, when installing the infant car seat it is best to use the level of the road as a guide to the correct level of the car seat, rather than the angle of the vehicle seat. If your baby’s head continues to nod forward even when the seat is aligned with the level of the road or you are using the base then it is possible that the baby is not wearing suitable clothing. Please refer to the question: What kind of clothing should my child wear when seated in the car seat.
How should the headrest be adjusted?
Only a headrest adjusted to the optimum height will give your child the best possible protection and comfort. The height can be adjusted to various positions. The headrest must be adjusted so there is no more than 2 cm between the child’s shoulders and the bottom of the headrest.
Can I use the car seat on laterally-facing vehicle seats?
It is not permitted to use the car seat on laterally-facing vehicle seats.
Can I use the car seat on rear-facing vehicle benches (e.g. in vans or minibuses)?
No. As you can only use this car seat rear-facing, it cannot be used on rear-facing vehicle benches. A rear-facing car seat on a rear-facing vehicle bench would be front-facing when installed.
Can I also use this infant car seat on a vehicle seat without an i-Size certification?
Yes, this infant car seat can be used on certain vehicle seats without an i-Size certification. It is possible for the infant car seat to be installed on forward-facing vehicle seats equipped with a 3-point automatic belt system in accordance with UN Standard R16. If your vehicle does not have an i-Size seating position, please check the car compatibilty on our website to find out whether installation with a 3-point belt is possible.
Can I install this infant car seat on the front passenger seat?
This infant car seat should only be installed on the passenger seat if the front airbag has been deactivated. Important: According to rules of the road such as the Highway Code in the UK, it is forbidden for your child to travel on a seat with an activated airbag. Placing your infant on a passenger seat with an activated airbag puts your child at risk of serious injury. If you have no choice other than to use the front passenger seat, please deactivate the airbag and ensure that the seat is pushed back as far as possible. As a rule we always recommend installing the car seat on the vehicle’s rear seat (if possible behind the passenger) as statistics show that this is the safest place in the car. In a head-on collision, a child will be protected by the larger crumple zone of the rear seat where front airbags do not put your child’s safety at risk.
Where should I install a car seat in my car?
Although it may be possible to install a CYBEX car seat on other seats in the vehicle, the safest place for a car seat is in the rear seat, behind the front passenger seat. We advise you to refer to the Car Compatibility Tool on the CYBEX Website. You can scan the dedicated QR-Code on your Quick Start Guide or use the specific weblink, provided on the Packaging Box, to access the Car Compatibility Tool for your product.
Can I use the car seat even when the side airbag is activated?
Yes, the side airbag can remain activated when using the car seat.
The car seat is approved in compliance with the i-Size standard (UN R129). What does this mean?
i-Size is a European standard for car seats. Among other regulations i-Size states that infants must travel in a rear-facing position before the child's age exceeds 15 months and that, for the first time, side-impact protection is tested. To find out more about i-Size, check our Safety page on the CYBEX Website.
What's the difference between UN R44 and UN R129?
To simplify the process of choosing the right car seat, regulations and norms have been implemented to guarantee general safety standards worldwide. In most parts of the world including Europe, the UN R44/04 and UN R129 testing standards are in effect. R44 classifies child restraints (car seats) according to the weight of the child. However, children grow in different ways. For example, a child might be within the weight range of an R44 seat but their head may already be reaching above the top of the seat. On the other hand, R129 child restraints are classified according to the height of the child, and also specify a weight limit. This is intended to give parents more confidence that a child restraint will fit a child during a specific growth period. The aim of R129 is to make child restraints easier to install, to incorporate side impact testing to provide better protection from side crashes and to keep children in a rear-facing position up until they are at least 15 months old. It also aims to make child restraints more compatible with vehicle seats.
When does a car seat expire?
As soon as a car seat is installed in a vehicle, it may be exposed to high temperatures and high levels of light intensity. As a result, even high-quality and extremely age-resistant plastics such as those used by CYBEX can display certain age-related alterations. To ensure the safety of your child, we strongly recommend that the seats are not used for longer than the prescribed usage periods. A car seat will be designed to keep your child safe for a specific period in their development, for example from birth to approximately 4 years old for a Sirona Series seat. Sometimes they can be used for longer, for example our products for babies and toddlers can also be used for a sibling. To find out the approximate lifespan of your CYBEX car seat, refer to the User Guide or contact our Customer Service.
Can I leave my child in the infant car seat outside the car, for example at home?
CYBEX infant car seats have been engineered to offer the best possible protection for a baby during a car ride without affecting the child´s spine in a negative way. The Cloud Series also allow a lie-flat position outside the car. However, for safety reasons we do not recommend leaving the baby sat in the infant car seat for long periods of time, whether inside or outside the car.
What kind of clothing should my child wear when seated in the car seat?
Thick clothing prevents the harness/vehicle belt or impact shield from lying tight against the body of the child. Only a correctly adjusted restraint system can offer maximum protection. For this reason, your child should wear everyday clothing. Thick clothing such as winter jackets and clothing with hoods (e.g. hoodies) as well as hats should be avoided where possible. Once your child has been positioned in the car seat, he/she can be covered with an extra blanket for warmth.
When will a child grow out of this infant car seat?
This infant car seat can be used from birth up until the child is approximately 24 months old (maximum body height 87 cm, maximum body weight 13 kg).
Do I need a newborn inlay for a car seat?
Yes, a newborn inlay is necessary to help very young and small babies lie in a safe and comfortable position in the car seat. These are specially designed to meet the anatomical requirements of newborn or very small babies. All CYBEX infant car seats include removable newborn inlays. Usually these can be removed when your child has reached a height of 61 cm, however always refer to the user guide provided with the product to ensure it is removed at the appropriate time.
Warranty Claims
If you need to claim your warranty, please contact the original retailer where you purchased your CYBEX product.
If you purchased your product directly from the CYBEX Online Shop, please use our Contact Form to get in touch with us.
Spare Parts (outside Warranty)
If you are looking for spare parts and your product is no longer under warranty, please contact any authorized CYBEX retailer in your area. You can find one using our Store Locator.
Not sure if you're still under warranty? In that case, feel free to contact us – we're happy to help.
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