CYBEX Aton G2

What we like and what concerns us

Caution

• No independent crash test of the Aton G2 was located; results for the earlier Aton G don't carry over.
• The earlier Aton G was recalled in 2025 over harness hooks; the G2 is not named in that recall.

Good

• Load-leg base, SafeLock belt tensioner and 11-position no-rethread headrest (CYBEX).
• CYBEX states "FR Free Fabric" and GREENGUARD Gold certification (manufacturer claims).

What the evidence shows

• Cybex Aton G Car Seat Review Consumer Reports

  Consumer Reports rated the earlier Cybex Aton G (not the G2) 52 overall, ranked 41 of 46 infant seats, with crash protection 'Better', ease of use 4/5, LATCH fit 3/5 and belt fit 2/5. It reported the recline indicators were nonintuitive and intermittently inoperable, and the page carries a recall notice for harness hip anchorage retention hooks on that model. The page shows no publication date; the year given is the year it was accessed.

  Independent review. About an earlier version.

These are independent sources we located and read. Manufacturer statements are not counted as evidence. How we weigh sources

Explore materials & ingredients

Open a card to read the disclosure and its sources. Illustrations are conceptual; the recorded evidence below determines what is known.

Evidence at a glance

Independent crash tests

Consumer Reports and BabyGearLab run their own crash tests with different equipment, methods and scales. Neither publishes raw measurements, so we report each result in the lab's own terms and never combine them. Passing the federal standard is required of every seat and is not a comparative result.

No independent crash test of this model was located in either lab's published results as of September 23, 2026. That is a gap in the evidence, not a finding against the seat.

Identity and generation notes

• Consumer Reports tested the predecessor Aton G; its results, and the 2025 Aton G recall, belong to that generation.

Installation and specifications

Installation features and lab observations

• Load leg base (CYBEX)
• SafeLock belt tensioner (CYBEX)
• 11-position headrest with no-rethread harness (CYBEX)
• Linear Side-Impact Protection in the shell (CYBEX description)

Features are as described by the manufacturer unless a lab is named. A feature's presence is not evidence of better crash performance on its own.

Federal compliance and recalls

Every seat sold in the US must meet FMVSS 213. The side-impact requirement, FMVSS 213a, applies from December 5, 2026. The manufacturer states: “Complies with new FMVSS213 side impact and frontal impact standard safety standards”. Manufacturer statement; we did not verify certification.

• NHTSA 25C002000 (The predecessor model): The predecessor Aton G was recalled in 2025 because harness hip-anchor hooks could bend; the G2 is not named in the campaign.

Check your own seat by its model number and manufacture date at nhtsa.gov/recalls, and register it with the manufacturer so recall notices reach you.

Materials and chemical claims

• “FR Free Fabric” (CYBEX, manufacturer statement)

Certifications claimed: GREENGUARD Gold (manufacturer-stated). GREENGUARD Gold limits chemical emissions (VOCs) into indoor air. It does not test for flame retardants or PFAS, and it says nothing about crash performance. We could not confirm this claim in UL's certification database, which blocks automated checks.

Flame-retardant claim only; PFAS is not addressed.

“Free of added flame retardants” means the manufacturer says none were added on purpose. It is not a lab result showing none are present, and no seat on this page has published independent chemical testing.

Price and availability

Prices and stock change often. Price and retailer availability play no part in the verdict.

How this verdict changed

Before the September 23, 2026 re-audit: no verdict, evidence grade C. Now: Caution, evidence grade C.

Estimated Caution because no independent program has published a test of the G2; results for the earlier Aton G do not carry over.

What would change our verdict

• An independent crash test of the Aton G2.

What we still don't know

• No independent crash or installation test of the G2.
• No chemical test located.

Sources

Every source below was checked on the date shown.

• Aton G2 with Load Leg Base, CYBEX. Accessed September 23, 2026. Current product name, limits, weights, installation hardware, price and material/chemical claims as stated by the manufacturer on the access date.
• Cybex Aton G car seat review (predecessor), Consumer Reports. Accessed September 23, 2026. Consumer Reports tested the predecessor Aton G, not the Aton G2; a CR summary notes the Aton G's recline indicators were intermittently inoperable.
• NHTSA recall 25C002000: Harness Strap May Detach From Seat, National Highway Traffic Safety Administration (Columbus Trading-Partners USA, Inc.). Published February 14, 2025. Accessed September 23, 2026. Columbus Trading-Partners USA, Inc. (CTP) is recalling certain Cybex Aton G, Aton G SensorSafe, Aton G Swivel, Aton G Swivel SensorSafe, Eos and Aton G Swivel Travel System, Eos and Aton G Travel System, Libelle and Aton G Travel System, and Beezy and Aton G Travel System child seats. The harness hip anchorage retention hooks may bend, causing the anchor pin to loosen, and the harness strap to detach.