Which date on a car seat is the manufacture date?

Where is the date of manufacture on the seat?

RoSPA notes that UK child seats are not marked with an expiry date. What you are looking for is the date of manufacture (sometimes DOM or MFD) on the shell or base, so you can apply the brand’s service-life line from the current manual.

Marketplace photos often show the nearest printed number — a care label or the orange sticker’s revision. That is the wrong date for a service-life calculation. Ask for a photo of the shell or base serial sticker, in daylight, with the model code readable.

How do I find the shell or base stamp without guessing?

1. 1
   Start on the hard plastic, not the fabric Tip the seat forward or lift it out. Look on the underside of the shell, the back behind the cover, and the side near the ISOFIX arms. Peel the cover back only as the manual allows — do not cut sewn-in labels.
2. 2
   Read the words on the sticker You want a line that says manufactured, date of manufacture, DOM or MFD, next to the model and serial. Copy month and year. A barcode on its own is not a date.
3. 3
   If there is no sticker, look for moulded clocks Axkid’s UK guide describes two (sometimes three) clock symbols under the seat: one for year, one for month, and a day clock with the arrow between numbers. Shine a torch; the stamps are easy to miss.
4. 4
   Do the base separately An infant carrier and its ISOFIX base are two parts. Photograph both serial stickers. A new-looking carrier on an older base still has two ages.

Is the orange approval sticker the manufacture date?

Usually no. GOV.UK tells you to look at that label for the capital E in a circle and either R129 or ECE R44. That is the approval check: is this a legal type of seat for this child’s height or weight.

The number after the regulation — R44/04, R129/03 — is which version of the UN regulation the seat was tested to. It is not October 2004 and it is not March 2029. Parents photographing a Vinted orange sticker often read “04” as a year. It is not.

Some approval labels also print a small production week and year. If the label literally shows a week/year production code, that can match the shell date — confirm it against the serial sticker before you use it. If the only numbers you can see are the approval code and the E-country number, you have not found the DOM.

Which dates should I ignore?

• Harness-webbing tags. They date the strap batch. Webbing can be replaced or can come from a different week than the shell.
• Fabric-care and cover labels. They tell you how to wash the cover. A cover swap does not reset the shell.
• Manual revision dates and “instructions printed” footers. Those date the booklet, not the plastic.
• Retailer price-gun stickers and shop “display from” dots. Those date the shelf, not the moulding.
• App or QR “register by” dates. Registration reminders are not a DOM.

Child Car Seats asks you to check the manufacturer’s advice on how old the seat should be before replacement. That advice only works if the date you typed into the arithmetic is the shell or base date.

What if I cannot find any manufacture date?

If the serial sticker has been peeled off, painted over or worn blank, you cannot apply a service-life line and you cannot give the brand a serial for a recall or spare-part check. Child Car Seats treats missing labels as a reason not to take on a second-hand seat. For a family loft seat, a blank shell is a stop, not a puzzle to work around.

This page is only the date-identification step. It is not a used-seat buying list and it is not a recall checker.

In shortThe manufacture date is the serial sticker or moulded stamp on the hard shell or ISOFIX base. Ignore webbing tags, wash labels and the orange sticker’s regulation revision. If the carrier and base disagree, keep both dates. No readable shell date means you cannot run the brand’s year line.

Why does the wrong sticker change the answer?

Britax Römer’s current useful-lifespan table is counted from first use, but you still need the shell date to talk to Britax and to see whether the model is still supported. Other brands add their years to the manufacture stamp. Using a webbing tag that is two years newer than the shell makes a seat look younger than the brand’s own clock.

Axkid’s clock example is the other way around: the moulded stamp can be more reliable than a faded paper sticker. If sticker and clocks disagree, send both photos to the brand.