---
product_id: 663049148
title: "Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Black Jet"
brand: "diono"
price: "€ 1713.25"
currency: EUR
in_stock: false
reviews_count: 5
url: https://www.desertcart.sk/products/663049148-diono-radian-3r-safeplus-all-in-one-convertible-car-seat
store_origin: SK
region: Slovakia
---

# Slim fit 3-across design 12-position adjustable headrest SafePlus side impact protection Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Black Jet

**Brand:** diono
**Price:** € 1713.25
**Availability:** ❌ Out of Stock

## Summary

> 🛡️ Safety that grows with them, style that fits your life.

## Quick Answers

- **What is this?** Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Black Jet by diono
- **How much does it cost?** € 1713.25 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/663049148-diono-radian-3r-safeplus-all-in-one-convertible-car-seat)

## Best For

- diono enthusiasts

## Why This Product

- Trusted diono brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Space-Savvy Slim Fit:** Original Radian 3-across design fits three seats side-by-side in most midsize vehicles without sacrificing comfort.
- • **Adaptive Growth Comfort:** SafePlus Easy-Adjust 12-position headrest grows with your child from 4 to 120 lbs, ensuring a perfect fit every mile.
- • **Travel-Ready Convenience:** FAA-approved for air travel, with foldable design and machine-washable covers—safety and style wherever life takes you.
- • **Unmatched Safety Engineering:** SafePlus Steel-Core and enhanced side impact protection exceed federal crash standards for peace of mind on every trip.
- • **Effortless Secure Installation:** Easy-Click SuperLATCH system guarantees quick, rock-solid installation for busy parents on the go.

## Overview

The Diono Radian 3R SafePlus is a premium all-in-one convertible car seat engineered with 12 key upgrades including a 12-position adjustable headrest and enhanced side impact protection. Designed to fit three across in most midsize vehicles, it supports children from 4 to 120 lbs and meets rigorous crash testing standards beyond federal requirements. Featuring an easy-install SuperLATCH system, FAA approval for air travel, and convenient foldability, it’s the ultimate blend of safety, comfort, and versatility for modern families.

## Description

The Original 3-Across All-in-One Car Seat upgraded edition. All-in-One Car Seat just got better. Updated with 12 improvements from the original Radian 3R, the Diono Radian 3R SafePlus features Diono SafePlus engineering, SafePlus Easy-Adjust 12 Position Headrest and improved SafePlus Side Impact Protection for complete protection from birth to booster (now suitable from 4 - 120 lb / 1.8 - 54 kg.) Lovingly engineered with the improved SafePlus Steel-Core, and as both a rear and forward-facing convertible car seat, the Radian 3R SafePlus protects as they grow, with SafePlus Easy-Adjust 12 Position Headrest. The new and improved Radian 3R SafePlus features energy-absorbing Side Impact Protection and extended side walls to reduce the impact of side crashes, all without affecting our slim fit 3-Across design in most midsize vehicles. The Radian 3R SafePlus comes with Anti-Rebound Bar slots for optional Anti-Rebound Bar (sold seperately) for added rear-facing safety. Radian 3R SafePlus All-in-One Convertible Car Seat is subjected to a combination of the most rigorous crash tests to ensure the safest seat possible. In addition to our regular extensive crash testing, we test over and above - including roll-over and side-impact tests, to achieve results above and beyond the current Federal standards. Our Easy-Click SuperLATCH system (UAS Compatible) makes installation easy and super secure. Radian 3R SafePlus now comes with an XL Steel-Reinforced Cup Holder to keep drinks and snacks handy on the go, and as travel car seat experts, Diono has naturally built-in super portable and convenient features to the Radian 3R SafePlus with travel fold for easy transport and storage and easy remove machine washable covers. The radian is also aircraft certified (FAA approved), so you can take safety with you wherever you go.

Review: Great car seat, super heavy for travel.
Review: I would still buy this car seat again

## Features

- 12 UPGRADES FROM RADIAN 3R - Includes SafePlus Easy-Adjust 12 Position Headrest, Improved Side Impact Protection and SafePlus testing
- SAFEPLUS 12-POSITION HEADREST - Easy-adjust 12-Position headrest brand-new to 3R, increasing occupancy space as child grows
- SAFEPLUS ENGINEERING - Features a unique combination of engineering features and testing to the highest safety standards to ensure we have the safest seat possible
- 10 YEARS ONE CAR SEAT - From rear-facing to forward-facing Radian 3R SafePlus adapts as your child grows from birth to booster. Now suitable from 4 - 120 lb / 1.8 - 54 kg
- THE ORIGINAL RADIAN 3 ACROSS - Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C7RT3BP9 |
| Brand | Diono |
| Brand Name | Diono |
| Colour | Black Jet |
| Customer Reviews | 4.2 out of 5 stars 132 Reviews |
| Installation Type | Latch |
| Installation type | Latch |
| Item Weight | 13.3 kg |
| Item height | 28.5 inches |
| Item weight | 13.3 kg |
| Manufacturer | Diono |
| Maximum Height Recommendation | 57.1 Inches |
| Maximum Weight Recommendation | 120 Pounds |
| Maximum weight recommendation | 120 Pounds |
| Minimum Height Recommendation | 18.1 Inches |
| Minimum Weight Recommendation | 1.81 kg |
| Minimum height recommendation | 18.1 Inches |
| UPC | 677726506309 |

## Product Details

- **Brand:** Diono
- **Installation type:** Latch
- **Colour:** Black Jet
- **Item weight:** 29.32 Pounds
- **Maximum weight recommendation:** 120 Pounds
- **Minimum height recommendation:** 18.1 Inches
- **Minimum weight recommendation:** 1.81 kg
- **Maximum height recommendation:** 57.1 Inches
- **UPC:** 677726506309
- **Manufacturer:** Diono

## Images

![Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Black Jet - Image 1](https://m.media-amazon.com/images/I/71+B4UcLUaL.jpg)
![Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Black Jet - Image 2](https://m.media-amazon.com/images/I/71JWuilX2tL.jpg)
![Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Black Jet - Image 3](https://m.media-amazon.com/images/I/71OsfRcXIjL.jpg)
![Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Black Jet - Image 4](https://m.media-amazon.com/images/I/71TfaP6RY3L.jpg)
![Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Black Jet - Image 5](https://m.media-amazon.com/images/I/71gUEYBoOiL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Great car seat, super heavy for travel.
*by P***L on 7 September 2025*



### ⭐⭐⭐⭐ I would still buy this car seat again
*by I***3 on 24 October 2025*



### ⭐⭐⭐⭐⭐ Safe, affordable, & comfort all in one!!!
*by D***E on 22 April 2025*



## Frequently Bought Together

- Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Black Jet
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- Diono Ultra Mat Complete Back Seat Upholstery Protection from Child Car Seats and Pets, Crash Tested, Premium Ultra Thick Padding, Durable, Water Resistant, Anti-Slip, 3 Mesh Storage Pockets

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-26*