Britax Marathon 70 Convertible Car Seat (Previous Version), OnyxBritax Marathon 70 Convertible Car Seat (Previous Version), Onyx
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- The Britax Marathon 70 convertible car seat is designed for children rear facing from 5 to 40 pounds and forward facing up to 70 pounds
- Safecell technology features safecells designed to compress in a crash, significantly lowering the center of gravity and counteracting the forward rotation of the child seat which normally propels child toward the front seat
- Integrated Steel Bars strengthen the connection to the vehicle and reduce forward flexing of the child seat during a crash
- Side Impact Protection comprised of deep side walls lined with energy-absorbing EPP foam distributes crash forces, shields from vehicle intrusion and contains the head, neck and body
- Quick-adjust harness repositions the harness shoulder height without disassembling the harness straps
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 Available in (from left to right): Onyx, Crimson, Waverly, Cowmooflage, Blueprint, and Allison. |
 Safety features include SafeCell Technology and True Side Impact Protection. View larger. |
 Comfort features include dual recline positions and high-density comfort foam. (Shown here in Allison.) View larger. |
The BRITAX MARATHON 70 features technologies that work to minimize injury to your child during a crash from any direction, including both frontal and side impact crashes - the most frequent types of crashes. These technologies work together with other features on the car seat to minimize injury to your child during a crash by:
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Designed with SafeCell Technology, the MARATHON 70 features SafeCells, which are engineered structures located in the base of the seat designed to compress in the event of a crash. This compression significantly lowers the center of gravity and counteracts the forward rotation of the car seat, delivering unprecedented performance in a crash.
The MARATHON 70 also features integrated steel bars, which strengthen the connection to the vehicle seat and reduce the forward flexing of the car seat. In addition, the energy-absorbing Versa-Tether anchors the top of the car seat and minimizes forward rotation of the car seat to reduce the crash forces that can reach your child if an accident occurs. These three features work together as a system to provide revolutionary head safety protection for your child.
Side Impact Protection for Added Security
To keep your child safe in the event of a side-impact collision, the MARATHON 70 includes Side Impact Protection. Side Impact Protection is a system composed of a rigid seat shell with deep side walls and energy-absorbing EPP (Expanded Polypropylene) foam lining the seat shell. These combined features work together to protect your child's head and chest from incoming crash forces by distributing the forces over a larger surface area, helping shield your child from vehicle intrusion and contain your child's head and body in the seat.
Premium Fit and Comfort Features
Whether children are watching the world go by or snuggling in for a nap, they'll enjoy that the MARATHON 70 reclines in both the forward and rear positions. And thanks to additional features, which include high-density comfort foam and a plush cover set with a matching belly pad, they'll always ride in style and comfort. A 70-pound weight capacity, two buckle positions, and a tangle-free five-point harness with ten harness-height settings provide a snug, custom fit for your growing child. Plus, an optional Infant Positioning Insert (sold separately) allows you to properly and snugly fit smaller infants into the car seat.
Ease-of-Use for Safety and Convenience
Packed with perks for parents, the MARATHON 70 makes it easy to secure your child in the proper position without guesswork. Premium lower LATCH connectors make for a quick, simple, and tight installation, while the push-button allows you to easily uninstall the connectors. Easy-to-access built-in lock-offs allow you to install the car seat with ease using your vehicle's lap and shoulder belt. The quick-adjust harness system and buckle allow you to reposition the harness height without disassembling the harness straps.
Additionally, an anti-slip contoured base grips and protects the vehicle seat, ensuring a tight installation in all types of vehicles. Convenient holders keep harness straps out of the way when you're placing your child in the seat, and the plush cover set with matching pads removes easily for cleaning without requiring you to disassemble or uninstall the car seat.
The BRITAX MARATHON 70 Convertible Car Seat is backed by a one-year limited warranty.
What's in the Box
One BRITAX MARATHON 70 Convertible Car Seat and manual.
- Baby Product: 0 pages (2010-08-17)
- Publisher: Britax USA
- Label: Britax USA
- Studio: Britax USA
- Manufacturers Age: 0 years and up
- Sales Rank in Baby: #6894
- Britax Marathon 70 Convertible Car Seat Previous Version, Allison
- Britax Marathon 70 Convertible Car Seat (Previous Version), Cowmooflage
- Britax Marathon 70 Convertible Car Seat Previous Version, Crimson
- Britax Marathon 70 Convertible Car Seat (Previous Version), Waverly
- Britax Marathon 70 Convertible Car Seat, Blueprint
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122 of 129 people found the following review helpful:  Another Great Britax Carseat!, By This review is from: Britax Marathon 70 Convertible Car Seat (Previous Version), Onyx (Baby Product) Customer review from the Amazon Vine™ Program (What's this?) We've been using Britax's older style Marathons for five years so I was anxious to try this latest manifestation to see how it stacked up. It is larger, but it now fits children up to 70 lbs forward facing (and 5-40 rear facing) and still fits easily in our Honda Odyssey and forward facing in our small VW Golf. Like the older Britax models, the new Marathon is often outgrown by height, rather than weight. I sat both of our children in it and found the difference to be slight, if any, over the old model, so if you are in the market for a new seat for child outgrowing the shell, this is probably not the best choice. The legendary Britax quality continues with a solid, intuitive build. Some of the newer head protecting technology from other, more expensive Britax seats has been integrated. The new harness adjuster is amazing, making it so simple and easy to change the height of the straps. We often carpool and I'm glad I can quickly and easily customize the seat to...Read more 114 of 121 people found the following review helpful: A converted skeptic, By This review is from: Britax Marathon 70 Convertible Car Seat (Previous Version), Onyx (Baby Product) Customer review from the Amazon Vine™ Program (What's this?) Overall I feel that all car seats properly installed provide an extraordinary level of protection that we never had as children. So I have bought all sorts of car seats between 2 kids and 2 cars from snap-in travel systems to boosters, and from economy models to plush models. This is what I found that separates them convenience and materials. The seats that cost less than $100 usually have little padding and are made from just enough plastic and foam as necessary. Pretty much all the adjustments are manual from shoulder height to anchor clips to strap length. The nice thing other than the price is that they are usually dead simple to install and very light. The seats that cost more than $100 but less than $200 are usually very well padded and come with a lot of conveniences such as reclining, cup holders, mechanical strap adjustments, extra weight maximums. They're still usually plastic and foam, but a lot more of it. I do find that they can also be more...Read more 30 of 30 people found the following review helpful: Safest and Easiest To Use Marathon Yet, By This review is from: Britax Marathon 70 Convertible Car Seat (Previous Version), Onyx (Baby Product) Britax is one of the most trusted car seat manufacturer's around. They have been making convertible car seats for the US market since 1997. Never satisfied, Britax continuously improves their products to make them safer, easier to use, and more comfortable. In August of 2010, they released their new line of convertible car seats with many improvements. Having been a Britax customer since 2007, I was excited to see the improvements they made.
My Configuration: 2000 Jetta 4DR Forward Facing LATCH Install PROS: - Supports up to 70lbs forward-facing, and 5-40lbs rear-facing - Supports infants with an infant positioning insert (sold separately) - MUCH improved/easier harness height adjustment - New integrated steel bars - Serial number located in easy to find location - Harness buckle can now be in two positions - Comfort pads now removable - Super easy LATCH installation - Certified for air...Read more |
