Britax MARATHON 70 - User Manual

Marathon
TM
70
User Guide
IMPORTANT: Thoroughly read and follow all instructions before installing
this child seat. Store this user guide in the pocket behind the cover (See
features pages for reference).

Summary

Warnings and Safety Precautions

Key Usage Guidelines

Specifies weight, height, and age limits for rear-facing and forward-facing modes.

General Safety Precautions

Provides general advice on vehicle use, child seat security, and avoiding damage.

Vehicle Compatibility

Seat Belt and Seating Position Requirements

Details compatible seat belts, incompatible types, and recommended vehicle seating positions.

Child Seat Functions

Harness, Buckle, and Recline Adjustments

Instructions for adjusting harness height, buckle position, chest clip, and seat recline.

Installation Systems Overview

Explains LATCH, lower connectors, Versa-Tether, lock-offs, and infant body pillow features.

Installation Procedures

Rear-Facing Installation

Step-by-step guide for rear-facing installation using LATCH or vehicle belts.

Forward-Facing Installation

Step-by-step guide for forward-facing installation using LATCH or vehicle belts.

Specialized Usage and Maintenance

Aircraft Travel and Securing Child

Guidelines for aircraft travel and steps to properly secure a child in the seat.

Care, Cleaning, and Troubleshooting

Instructions for cleaning, reassembling seat components, and solutions for common issues.

Warranty Information

Britax MARATHON 70 Specifications

General

Harness System	5-point harness
Weight Limit (Rear-Facing)	5-40 lbs
Weight Limit (Forward-Facing)	20-70 lbs
Height Limit	49 inches
Category	Convertible Car Seat
Cover Material	Polyester
Safety Features	Side Impact Protection
Installation Type	LATCH or seat belt
Recline Positions	Multiple
Cup Holders	2