Is the Britax MARATHON 65-G3 car seat recalled?

Yes. Transport Canada has 1 recall on record for the Britax MARATHON 65-G3 car seat. The latest, recall 2013136 from April 25, 2013, covers model years 2012, 2013: Certain infant/child/booster seats may not comply with the dynamic testing requirements of Canada Motor Vehicle Safety Standard (CMVSS) 213 - Child Restraint Systems and CMVSS 213.1 - Infant Restraint Systems.

Recall 2013136: model years 2012, 2013

What's wrong: Certain infant/child/booster seats may not comply with the dynamic testing requirements of Canada Motor Vehicle Safety Standard (CMVSS) 213 - Child Restraint Systems and CMVSS 213.1 - Infant Restraint Systems. The car seat's movable headrest could change adjustment position during a crash. Correction: No corrective recall action is required as the technical non-compliance is deemed to be non-safety related.

Published April 25, 2013. Read the official notice

How do I know if my Britax MARATHON 65-G3 is affected?

Check the label on the side, back or bottom of the seat for the model number and date of manufacture, and compare them with the model years and dates in the official notice.

Is the fix free?

Recall remedies are free from the maker. The official notice lists how to get it, and Recallify can contact the maker for you.

Owner complaints in the US

NHTSA, the US road safety regulator, has 235 owner complaints on file that mention Britax "Marathon" car seats (US reports since 1995, most recent 2025). Complaints are owners' reports, not confirmed defects, and US and Canadian models can differ. Search NHTSA

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