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Diono Monterey 6DXT SafePlus High-Back Booster | live price, prepared checkout

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Sold and shipped by megababiesusa.com, megababiesusa.com; payment happens on the store's own checkout.

Brand: Diono

Checked facts

Each fact below was checked against the source it cites before it was published. Each carries that source's link and the time RoboTrunk read it. 42 checked facts, checked 2026-10-18T23:30:13.735Z. Research depth: trimmed read. Deep read: the store's own data and 10 outside pages (the store's own product page; manual; maker page; review; regulator recall search (CPSC (United States)); regulator recall search (Health Canada); official safety test results (CREP, the Child Restraint Evaluation Program); official safety test results (NHTSA's Car Seat Ease of Use Ratings); official safety test results (ADAC's child seat test)), each read in full by RoboTrunk and trimmed to its main content, then written up and checked. Facts from the maker or a manual quote the page word for word; what real users report is summarised with a link to the page read. Recall status was checked directly with CPSC (United States), Health Canada: The CPSC recall search returned no records for Diono / Monterey 6DXT SafePlus. Health Canada's open recall data lists 13 Diono records (child car seats and booster seats from 2012 to 2026), but none of the listed titles or products identifies the Monterey 6DXT SafePlus, so no recall applies to this exact model. Diono also advises registering the seat so buyers can be reached if a recall is issued. Official safety test results were looked up directly with CREP, the Child Restraint Evaluation Program, NHTSA's Car Seat Ease of Use Ratings, ADAC's child seat test: CREP, the Child Restraint Evaluation Program (Australia and New Zealand): CREP's published list of 216 rated seats contains no Diono or Monterey seat at all, and the list is stated to be complete, so this seat has no CREP rating. NHTSA's Car Seat Ease of Use Ratings (United States): NHTSA has rated eight Diono seats, but not the Monterey 6DXT SafePlus. The closest listed seats are the Monterey 5iST FixSafe (overall 4 of 5 stars, labels only 1 of 5), the Monterey 4DXT (overall 3 of 5) and the Monterey 2XT LATCH (overall 4 of 5); these are different models and their scores must not be read across to the 6DXT. ADAC's child seat test (Germany, the UK and Europe): ADAC's published results from 2015 onward list 527 seats and include only one Diono model, the Radian 5 (tested 2016, graded 5,5), so the Monterey 6DXT SafePlus has no ADAC result. Not read, because they are member-only or refused RoboTrunk: Consumer Reports car seat ratings, Which? child car seat tests, JPMA certified products.

The full evidence pack, with every citation, source and gap.

Questions we researched but could not confirm

Every fact above is cited. To find them we read the store listing, the manual, the maker's page, owner reviews, the recall records of CPSC (United States) and Health Canada and the safety test results of CREP, the Child Restraint Evaluation Program, NHTSA's Car Seat Ease of Use Ratings and ADAC's child seat test and searched for regulator recall notices, blogs, owner forums and video reviews. We also chased the questions below across those sources and found no reliable answer, so you know exactly where the evidence ends and never have to guess.

To buy this through RoboTrunk, pass merchant megababiesusa-com, product_id gid://shopify/Product/8656533815550 and one variant_id from the list above.

Product image of Diono Monterey 6DXT SafePlus High-Back Booster, supplied by megababiesusa.com: https://cdn.shopify.com/s/files/1/0012/1520/1341/files/156265_source_1719925935.png?v=1726596070

This product on megababiesusa.com

Retrieved 2026-10-23T19:35:47.897Z from https://top-stroll.myshopify.com/products.json

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