Baby > Car Seats > Best Sellers

Price: $269.99 ($289.99)

(as of 2014-11-20 23:26:05 PST)

You save $20.00 (7%)

Usually ships in 1-2 business days

Category: Car Seats

Rating: 4.7 / 5.0 (315 votes)

Buying Choices

16 new from $216.01

(as of 2014-11-20 23:26:05 PST)

Britax Marathon G4 Convertible Car Seat, Onyx by Britax USA

Product View

See better picture and different views (with zoom)

Product Small print

Baby Boys
Beneficial Age
0 – 3 years
Britax USA
Birth -and UP
Test All Offers Add to Wish checkList Add to Child Registry Customer Opinions


  • Base with safecell expertise features safecells designed to compress in a crash, significantly reducing the center of gravity and counteracting the forward rotation of the newborn seat which normally propels the infant toward the entrance seat
  • Harness ultra protect device (HUGS) offers resistance to forward motion in the experience of a crash
  • Side affect safety constituted of deep aspect partitions lined with energy absorbing EPP foam distributes crash forces, shields from automobile intrusion, and contains the top, neck and body
  • Tangle free, five level harness distributes crash forces across the strongest components of the physique and gives a secure fit
  • Top class decrease latch connectors for a handy guide a rough and easy installation featuring a push button for simple unlock
  • Base with safecell technology options safecells designed to compress in a crash
  • Harness extremely protect machine gives resistance to forward movement in the experience of a crash
  • Aspect impact safety made out of deep aspect partitions lined with vitality absorbing EPP foam distributes crash forces
  • Tangle free, five point harness distributes crash forces throughout the strongest components of the body
  • Premium lower latch connectors for a snappy and easy set up featuring a push button for simple liberate


Choose Only The Best in Safety For Your Child

Choose Simplest The Best in Security For Your Youngster
Britax Marathon Convertible Automobile Seat

Full of comfort and security features, the Britax Marathon convertible automotive seat is constructed to offer head safety via the usage of Britax SafeCell Know-how within the base, built-in steel bars, and power absorbing Versa-Tether that work together to minimize head tour and scale back the danger of head injury throughout a frontal affect. It offers a no-rethread and fast-modify 5-level harness and EZ-Buckle gadget for convenience when harnessing your child, and a straightforward-put off quilt for fast easy-united states of americathat additionally allows access to the belt paths from the entrance of the seat. The Marathon accommodates youngsters rear facing from 5 to forty kilos and forward facing from 20 to 65 kilos.

Make a Selection Handiest The Perfect in Security For Your Kid – BRITAX Deals Head Safety Applied sciences For Advanced Protection

During a automobile crash, impacts with the front seat aren’t simply dangerous – they are able to be deadly. BRITAX convertible automotive seats lower your kid’s heart of gravity to keep them safe, stable and faraway from front seat. The bottom of the Marathon contains SafeCell Expertise comprised of SafeCells, an engineered subject matter designed to compress in a crash. This compression lowers the guts of gravity to counteract forward rotation of the seat, serving to to attenuate the danger of head damage throughout a collision. Located in the sides of the seat shell, integrated metal bars beef up the connection to the vehicle and stop ahead flexing of the seat all through a crash to cut back the risk of head harm. withIn the experience of a surprising cease, the Vitality-Absorbing Versa-Tether strap restricts ahead movement and reduces crash forces with patented staged-unlock webbing and a two-point attachment. This webbing securely anchors the top of your child seat to your vehicle in either rear- or forward-facing positions.

No-Rethread Harness Gadget and Alleviation Features

The tangle-free, five-level harness allows for more than one height positions and can be adjusted without dismantling the harness or taking away the auto seat from the vehicle. Two buckle positions provide a cosy, relaxed match as your youngster grows. The seat's harness holders forestall the straps from getting in the best way when you're putting your child within the seat, whereas the EZ-Buckle machine keeps the harness buckle in a forward position to stop your kid from sitting on it when first coming into the seat. Rear- and forward-going through recline choices, in addition to high-density foam cushioning, lend a hand your youngster chill out on the journey. And the plush duvet comes with matching alleviation pads and an child positioning pillow to maintain youngsters of all a long time comfortable and secure. Product Data: The Britax Marathon is assembled in the United States and has a seven-12 months life. What's within the Box: Britax Marathon Convertible Automobile Seat, detachable cover, remedy pads, newborn positioning pillow, and person guide.

Base with SafeCell Technology

Base with SafeCell Expertise

The seat is designed to keep your kid safe and secure in a crash via compressing and considerably lowering the heart of gravity, reducing the forward movement of the car seat.

Side Impact Protection

Side Impression Safety Device Diverts Crash Forces

The Britax Aspect Affect Safety machine includes a rigid shell with deep facet walls lined with energy-absorbing EPP foam to incorporate your youngster’s head and physique and divert crash power energy while creating a barrier against that you can imagine intruding objects. This technique additionally protects your youngster’s head and chest.

User-Friendly Features for Easy Installation

Person-Pleasant Options for Straightforward Installation

The Marathon takes the guesswork out of installing your automobile seat because of a range of convenience features. An anti-slip, contoured base grips and protects the vehicle seat. Premium lower Latch connectors make for a quick, simple, and tight installation, while the push-button allows you to easily uninstall the car seat. And straightforward-to-get entry to, constructed-in lock-offs present a stable set up when using the automobile lap and shoulder belt.

Premium LATCH Installation

Premium Latch Set up

Offers an audible click on and a straightforward-pull strap to simplify set up as well as a push-button design for simple removal.

Integrated Steel Bars

Integrated Steel Bars

Give a boost to the connection to the car and reduce forward flexing of the infant seat all the way through a crash.

Energy-Absorbing Versa-Tether

Energy-Absorbing Versa-Tether

Includes a staged-release tether webbing to gradual the ahead motion, lowering the crash forces achieving the infant, and a two-point attachment to reduce ahead rotation whereas anchoring the top of the baby seat.

Similar Merchandise

Britax USA Child Cup Holder
Britax Car Seat Protector
Pampers Swaddlers Diapers Dimension 4 Financial system % Plus one hundred forty four Depend
Pampers Delicate Wipes 7x Field 448 Rely
Pampers Swaddlers Diapers Dimension three Financial system % Plus 162 Rely


Become a fan of Great website for quality Baby Products on Facebook for the inside scoop on the latest and best selling baby products.