1. Introdução
The Britax Marathon ClickTight Convertible Car Seat is designed to provide safety and comfort for your child from infancy through toddlerhood. This manual provides essential information for proper installation, use, and maintenance of your car seat. Please read all instructions carefully before use and keep this manual for future reference.
2. Principais características
- Sistema de instalação ClickTight: Simplifies car seat installation by making it as easy as buckling a seat belt.
- Proteção contra impactos SafeCell: An integrated system of safety components including a steel frame, energy-absorbing base, V-shaped tether, and staged-release stitches to minimize movement in a crash.
- Proteção contra impactos laterais: Features a deep, foam-lined shell to shield your child from side impacts.
- 14-Position Easy Adjust Harness: Allows for quick and easy height adjustments without re-threading, accommodating your child's growth.
- 7 posições de reclinação: Ensures comfort and helps achieve the correct installation angle for your vehicle.
- Rear-Facing Capacity: Suitable for children weighing 5 to 40 pounds.
- Forward-Facing Capacity: Suitable for children weighing 20 to 65 pounds, with a standing height of 49 inches or less.
3. Configuração e instalação
The Britax Marathon ClickTight car seat offers a straightforward installation process using the ClickTight system. Always refer to your vehicle's owner's manual and the car seat's full instruction manual for complete details.
3.1. Terminada a instalaçãoview

Image: The Britax ClickTight installation system involves three simple steps: pushing a dial to lift the seat, threading and buckling the vehicle's seat belt, and then clicking the seat closed for a secure fit.
3.2. Rear-Facing Installation (5-40 lbs)
For rear-facing installation, ensure the car seat is positioned correctly in your vehicle's back seat. Open the ClickTight panel, route the vehicle's lap and shoulder belt through the designated belt path, buckle it, and then close the ClickTight panel until it clicks securely. Verify the recline angle using the built-in level indicator.

Image: The car seat supports rear-facing installation for children weighing 5 to 40 pounds.
3.3. Forward-Facing Installation (20-65 lbs)
For forward-facing installation, ensure the car seat is positioned correctly. Open the ClickTight panel, route the vehicle's lap and shoulder belt through the designated belt path, buckle it, and then close the ClickTight panel until it clicks securely. Attach the top tether to the vehicle's designated tether anchor point and tighten. Verify the recline angle using the built-in level indicator.
4. Recursos de segurança
The Britax Marathon ClickTight is engineered with advanced safety features to protect your child.
- Proteção contra impactos SafeCell: This system includes an impact-absorbing base that compresses to reduce the force of a crash, an impact-stabilizing steel frame for strength, and impact-absorbing harnesses and tethers that slow and reduce forward movement.
- Deep Protective Shell: The car seat features a deep, foam-lined shell designed to absorb crash forces and protect your child from side impacts and debris.
- Cabo de segurança patenteado em formato de V: Minimizes seat rotation and reduces forward movement in the event of a crash.

Image: Key safety components include a high-strength steel frame and a patented V-shaped tether for enhanced stability and protection.
5. Ajustes
5.1. Harness and Headrest Adjustment
The 14-position quick-adjust harness and headrest system allows you to easily change the height of the harness and headrest with a single motion, ensuring a proper fit as your child grows without the need for re-threading.

Image: The 14-position quick-adjust harness and headrest system provides a customized fit for your growing child.
5.2. Posições reclináveis
The car seat features 7 recline positions, easily adjustable with a quick-push mechanism. The easy-read level indicators help ensure the car seat is installed at the correct angle for both rear-facing and forward-facing modes, enhancing both safety and comfort.

Image: Seven recline positions and clear level indicators assist in achieving the optimal angle for installation and child comfort.
6. Cuidados e Manutenção
A limpeza e a manutenção regulares ajudarão a prolongar a vida útil da sua cadeirinha de carro.
- Capa de tecido: The car seat features a removable cover for easy cleaning. Refer to the care label on the fabric for specific washing instructions. Typically, machine wash with cold water on a delicate cycle and air dry.
- Arnês e fivela: Limpe as alças do arnês com um pano úmido.amp cloth. Do not machine wash or immerse the harness straps in water, as this can weaken them. Clean the buckle by rinsing with warm water.
- Casca e base: Wipe the plastic and metal parts of the car seat shell and base with a damp pano e sabão neutro.

Image: The removable fabric cover can be machine washed for convenient cleaning.
7. Especificações
| Dimensões do produto | 23 x 18.5 x 23.5 polegadas (L x W x H) |
| Número do modelo do item | E1A385R |
| Peso do item | 27 libras |
| Tipo de material | Steel and mesh fabric |
| Recomendação de peso mínimo (virado para trás) | 5 libras |
| Recomendação de peso máximo (virado para trás) | 40 libras |
| Recomendação de peso mínimo (virado para a frente) | 20 libras |
| Recomendação de peso máximo (virado para a frente) | 65 libras |
| Recomendação de altura máxima | 49 polegadas |
| Tipo de arnês | 5 pontos |
| Número de posições reclináveis | 7 |

Image: Product dimensions for the Britax Marathon ClickTight Convertible Car Seat.
8. O que está na caixa
Your Britax Marathon ClickTight Convertible Car Seat package includes:
- Britax Marathon ClickTight Convertible Car Seat
- 12-position harness and buckles (pre-installed)
- Manual de instruções
9. Solução De Problemas
If you encounter any issues with your Britax Marathon ClickTight Convertible Car Seat, please refer to the comprehensive troubleshooting section in the full user manual. Common issues may include difficulty with installation, harness adjustments, or recline settings. Ensure all components are correctly assembled and adjusted according to the instructions.
10. Garantia e Suporte
The Britax Marathon ClickTight Convertible Car Seat comes with a manufacturer's warranty. For detailed information regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your product or visit the official Britax website. For customer support, product registration, or to order replacement parts, please contact Britax customer service directly.





