The expiration date for your Britax car seat is generally 6 to 10 years from the Date of Manufacture, depending on the model. Refer to your car seat manual for the exact timeframe.

November 3, 2020 - Look for the serial label on your Britax seat. The Date of Manufacture (DOM) is printed there, and many models (made after 2018) also list the expiration date on that same label. If your label shows only the DOM, use your user guide to review ...

Expiry (from DOM unless noted · DOP; proof of purchase required) Baby Jogger · Baby Jogger · RFO · 7 years · Baby Trend · Baby Trend · RFO · 6 years · Baby Trend · Baby Trend · Combination · W/ harness: 6 years · W/O harness: 10 years · Bébécar · Bébécar · RFO · 10 years ...

June 3, 2011 - And...the instructions for the Britax Marathon Classic (US instructions), see page 4, 8 bullets down. Like I said before, 6 years expiry. Britax seats have 6 years expiry for the infant seats, the infant/child (like the Marathon styles), and booster only (like the Parkway).

All children’s car seats and booster seats sold in Canada have an expiry or useful life date on them, even though this is not required by regulation.

August 25, 2017 - You don't say which Marathon you have. They've been six, seven, and 10 years. Depends which you have. G1: Six years, all expired Marathon 70/70-G3/G4/G4.1: Seven years Marathon ClickTight: 10 years.

June 11, 2025 - Britax has a 10 Year expiry on both car seats which means your car seat can be used to the maximum requirements.

August 8, 2025 - Look for the serial label on your Britax seat. The Date of Manufacture (DOM) is printed there, and many models (made after 2018) also list the expiration date on that same label. If your label shows only the DOM, use your user guide to review the Warnings section to determine the lifespan to calculate expiration from date of manufacture.

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December 30, 2024 - 10 year expiry in Australia. Don’t get them ‘professionally’ cleaned though, they often go against manufacturer instructions and that can compromise the safety of the seat. You can wash the covers yourself - cool delicate wash with a plain detergent (no fabric softeners, antibacterial ...

July 6, 2012 - When does my seat expire? The service life for BRITAX infant car seats (including the base), older convertible car seats, youth seats (such as the BRITAX REGENT), and belt-positioning booster seats is 6 years from date of manufacture. Next generation BRITAX convertible car seats have a service ...

November 15, 2025 - Learn about the importance of car seat safety, the meaning of expiration dates, and the factors behind Britax car seats' expiration.

March 4, 2012 - ... Thanks so much! ... I always thought Britax was 6y, it's probably best to call and make sure though. ... I have a Britax Marathon that is 5 years old and was told it expires after 6 years.

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November 10, 2025 - If you are a new parent or grandparent, you may not know that car seats, like many other products, have expiration dates. This article will help you understand more about Britax Marathon expiration dates and the laws regarding their use.

Marathon ClickTight User Guide Anti Rebound Bar ClickTight Convertible Seat User Guide Video - How to Install Rear-Facing with Vehicle Seat Belt Video - How to Install Rear-Facing with Lower Anchors Video - How to Install Forward-Facing with Vehicle Seat Belt Video - How to Install Forward-Facing with Lower Anchors Video - How to Attach the Harness to the Yoke Video - How to Adjust an Uneven Harness Video - How to Uninstall a ClickTight Convertible Car Seat Video - How to Replace the Harness

July 27, 2007 - Perhaps she's washed the harness with chemicals, submerged them in water, etc. :twocents: ... Britax seats expire 6 years from their date of manufacture, so a seat made in 2004 would expire sometime in 2010 and have roughly 2 years of useful ...

Subject: Britax car seats - expiration · quote · Anonymous · report · 01/09/2015 20:34 · Subject: Britax car seats - expiration · quote · Anonymous · report · 01/09/2015 21:35 · Subject: Re:Britax car seats - expiration · quote · Anonymous · report · 01/09/2015 22:43 ·

January 21, 2011 - The "classic" models have a 6yr life, the new models with the black base have a 7yr life. I was always told that Britax seats expire on the DOM - not the following Dec like Graco.

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