Britax Römer Baby-Safe 3 i-Size Car Seat - From 0 to 15 months with "lie-flat" technology - Midnight Grey

i-Size approval R129
From birth up to 13 kg
Height range 40–83 cm
Weight of seat 4.6 kg

269,90€

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Colour: Midnight Gray (4)

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Ref: 2000035071
The Britax Römer Baby-Safe 3 i-Size Car Seat offers i-Size safety and the patented lie-flat system, which keeps your baby's spine in a healthy, natural position from birth. It always travels rear-facing, with belt or Isofix installation.

Goes well with

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  • AeroMoov AirLayer 3D Car Seat Liner (Group 0) - Lilac

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  • Britax Römer Car Seat Protector

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Why you should buy the Britax Römer Baby-Safe 3 i-Size Car Seat:

✅ Rearward-facing car seat from 0 to 15 months
✅ Compatible with Britax Römer pushchairs and other brands, such as Bugaboo, among others
✅ R129 (i-Size) approval
✅ Installation with seat belts or ISOFIX system
✅ "Lie-flat" technology or reclined and ergonomic position
✅ Includes newborn insert
✅ Canopy with UPF 50+ protection to protect the baby from the sun and wind
✅ Headrest and 5-point harness to secure your little one in the car seat
✅ Adjustable handle to the rear to prevent the "infant carrier" from rocking

The Britax Römer Baby-Safe 3 i-Size Car Seat offers i-Size safety and a "lie-flat" system that keeps your baby's spine in a healthy and natural position, promoting improved breathing — ideal for transporting babies from birth up to 13 kg (or between 40 and 83 cm). Compatible with a 180° rotating Isofix base, sold separately, for greater comfort and ease of use.

Features of the Britax Römer Baby-Safe 3 i-Size Car Seat - Video Patented recline system
  • The BABY-SAFE 3 i-SIZE comes with Britax Römer's patented "lie-flat" system to ensure maximum comfort and safety for your baby;
  • For newborns, the seat adjusts to a reclined and ergonomic position, providing ideal rest;
  • As your baby grows, the seat angle and space adjust, adapting to their height;
  • Simply adjust the headrest and 5-point harness according to the baby's size and the seat automatically adjusts;
  • The backrest keeps the head's center of gravity aligned with the spine, preventing forward rotation in the event of an impact.
Newborn insert included The BABY-SAFE 3 i-SIZE includes a removable newborn insert, specially designed to provide greater support for babies between 40 and 60 cm tall. It is equipped with energy-absorbing elements that provide greater comfort in the event of an impact.

Five-point harness
  • The BABY-SAFE 3 i-SIZE comes with a five-point harness, offering your baby the best safety and comfort during the journey;
  • In the event of a collision, the impact force is evenly distributed between the five points: two on the shoulders, two on the hips, and one between the legs, to effectively protect your baby;
  • The harness and headrest are super padded and can be easily adjusted with one hand, accompanying your baby's growth.

Installation in the car and on the pushchair
  • Easy installation in the car with the 3-point belt.
  • For more practicality and safety, use the VARIO 5Z ISOFIX BASE or FLEX BASE ISENSE (sold separately here and here)
  • The base rotates 180º to the car door, making it easier to place the baby.
  • 3 height-adjustable positions for your baby's optimal comfort.
  • Compatible with Britax Römer pushchairs via Click & Go adapters.
  • Also works with other brands such as Joolz (sold separately here), Bugaboo (sold separately here), using specific adapters (sold separately), among others.

How to install the Britax Römer Baby-Safe 3 i-Size Car Seat Car seat specifications Dimensions: 58 x 44 x 67 cm (height x width x depth) Weight: 4.6 kg Approval: ECE R129 (i-Size) Instruction manual

Britax-Romer_BABY-SAFE-3-i-SIZE_User-Guide_PDF_en

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What is R129 i-Size approval?


R129 i-size approval is more demanding than the previous R4404 approval and, as such, ends up being a safer option.




What is lie-flat technology?


It is a technology patented by Britax Römer that allows a more comfortable and ergonomic position for newborns. This patented full recline mechanism allows the flatness of the lying position to be adjusted according to the child's height. The position automatically changes when adjusting the headrest, increasing space according to your child's development. The shoulder straps also automatically adjust when adjusting the headrest.

 

Why order from us at Bonabebe ❤
  • With us, you will have specialized human support before, during, and after the purchase
  • Child road safety techniques
  • The safest products on the European market for babies
  • Babywearing consultants
  • Local business
  • Women-owned
  • LGBTQ+ friendly
ApprovalECE R129 (i-Size)
Age0 to 15 months
Weightfrom birth up to 13 kg
Heightbetween 40 and 83 cm
Directionrear-facing
Installation3-point belt or ISOFIX system
Harness5-point
Height-adjustable positions3
Dimensions58 x 44 x 67 cm (height x width x depth)
Seat weight4.6 kg
  • Removable newborn insert

269,90€

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Highlights and features of Britax Römer Baby-Safe 3 i-Size Car Seat - From 0 to 15 months with "lie-flat" technology - Midnight Grey

Cadeira Auto Baby-Safe 3 i-Size da Britax Römer - Dos 0 aos 15 meses com tecnologia "lie-flat" - Grey Marble

Patented lie-flat recline system

The Baby-Safe 3 i-Size comes with the lie-flat system, patented by Britax Römer, for maximum comfort and safety. For newborns, the seat adjusts to a reclined, ergonomic position; as your baby grows, the angle and space adapt to their height.

Cadeira Auto Baby-Safe 3 i-Size da Britax Römer - Dos 0 aos 15 meses com tecnologia "lie-flat" - Grey Marble

i-Size safety with spine alignment

The backrest keeps the head's centre of gravity aligned with the spine, preventing forward rotation in the event of an impact. Simply adjust the headrest and harness to the baby's size, and the seat adapts automatically.

Cadeira Auto Baby-Safe 3 i-Size da Britax Römer - Dos 0 aos 15 meses com tecnologia "lie-flat" - Grey Marble

Newborn insert included

Includes a removable insert, designed to give extra support between 40 and 60 cm in height. It features elements that absorb the energy generated in an impact and provide extra comfort.

Cadeira Auto Baby-Safe 3 i-Size da Britax Römer - Dos 0 aos 15 meses com tecnologia "lie-flat" - Grey Marble

5-point harness

In a collision, the force of impact is evenly distributed across five points: two at the shoulders, two at the hips and one between the legs. The harness and headrest are extra padded and adjust easily with one hand, growing with your baby.

Cadeira Auto Baby-Safe 3 i-Size da Britax Römer - Dos 0 aos 15 meses com tecnologia "lie-flat" - Grey Marble

Versatile installation and rotating base

Fits easily in the car with the 3-point seat belt or, for greater convenience, with the Isofix Vario 5Z Base or the Flex Base iSense (sold separately). The base rotates 180° towards the car door, making it easier to place your baby, and offers 3 height-adjustable positions.

Why you'll love it

180° rotation
180° rotation
Rear-facing
Rear-facing
Installation with seat belt or Isofix
Installation with seat belt or Isofix
5-point harness
5-point harness
Adjustable headrest
Adjustable headrest

Certifications and approvals

ECE R129 (i-Size)

Approval of the i-Level Pro Signature car seat included in the pack, with side-impact testing (applies to the car seat, not the pushchair).

UPF 50+

Hood with UPF 50+ sun protection factor, with a retractable visor and a peek-a-boo window.

Frequently asked questions about Britax Römer Baby-Safe 3 i-Size Car Seat - From 0 to 15 months with "lie-flat" technology - Midnight Grey

What is R129 i-Size approval?

The R129 i-Size approval is more demanding than the previous R44/04 approval, making it a safer option.

What is lie-flat technology?

This is a technology patented by Britax Römer that provides a more comfortable, ergonomic position for newborns. This full-recline mechanism adjusts how flat the lying position is according to the child's height, changing automatically as the headrest is adjusted; the shoulder straps also adjust automatically.

Up to what age, weight and height can I use this car seat?

It's suitable for carrying the baby from birth up to 13 kg (or between 40 and 83 cm), corresponding to approximately 0 to 15 months, always rear-facing.

How is it fitted in the car?

Fits easily with the 3-point seat belt or, for greater convenience and safety, with the Isofix Vario 5Z Base or the Flex Base iSense (sold separately). The base rotates 180° towards the car door.

Does it include a newborn insert?

Yes. It includes a removable insert, specially designed to give extra support between 40 and 60 cm in height, with elements that absorb the energy generated in an impact.