Is the Britax MARATHON car seat recalled?

Yes. Transport Canada has 2 recalls on record for the Britax MARATHON car seat. The latest, recall 2018747 from December 31, 2018, covers model years 2015, 2016, 2017, 2018: Certain child car seats may not comply with the requirements of the Canada Motor Vehicle Restraint Systems and Booster Seats Safety Regulations (RSSR). The instruction manual and the labels affixed to the seat contain various minor errors and omissions.  Correction: A production change has been undertaken to fix these technical non-compliance conditions.

Recall 2018747: model years 2015, 2016, 2017, 2018

What's wrong: Certain child car seats may not comply with the requirements of the Canada Motor Vehicle Restraint Systems and Booster Seats Safety Regulations (RSSR). The instruction manual and the labels affixed to the seat contain various minor errors and omissions.  Correction: A production change has been undertaken to fix these technical non-compliance conditions. No corrective recall action is required as the technical non-compliance conditions are deemed not to be safety-related.

Published December 31, 2018. Read the official notice

Recall 2015266: model years 2014, 2015

What's wrong: Certain child seats may not comply with the requirements of Canada Motor Vehicle Safety Standard (CMVSS) 213 – Child Restraint Systems. Discrepancies exist between the English and French seat belt routing in the instruction manual. Correction: A production change has been undertaken to remedy these technical non-compliance conditions. No corrective recall action is required as the technical non-compliance condition is deemed to be non-safety related.

Published June 16, 2015. Read the official notice

How do I know if my Britax MARATHON 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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