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Britax Marathon G4.1 Convertible Car Seat


This product is not eligible for promotional offers and coupons. However, you are able to earn and redeem Kohl's Cash and YES2YOU Rewards on this product.


Color: Azul

For getting your family where they need to go safely and comfortably, this Britax Marathon convertible car seat makes an excellent choice.

Gift Givers: This item ships in its original packaging. If intended as a gift, the packaging may reveal the contents.

Compare car seat types here.


  • SafeCell Impact Protection is an integrated system of safety components that work together to protect your child beyond the established federal safety standards
  • SafeCell Impact Absorbing Base, Tether & Harness, Impact Stabilizing Steel Frame & Complete Side Impact Protection means your child is surrounded in best-in-class safety
  • SafeCell Complete Side Impact Protection surrounds your child in a deep protective shell designed to absorb crash forces & shield your child from debris
  • Quick-adjust, 10-position harness & 2-position buckle allows you to easily move the harness upward & buckle outward for a comfortable, secure fit as your child grows
  • Simple installation with easy-on, easy-off LATCH connectors that lock into place with an audible click & are easily released with the push of a button
  • Tangle-free, 5-point harness prevents the straps from twisting making it easier to load your child into the seat & ensuring a safer ride
  • Plush foam padding provides premium comfort at every touch point
  • 3 recline positions so your child can relax at the right angle


  • Includes: seat, base & cover
  • Rear-facing weight capacity: 5 to 40 lbs.
  • Forward-facing weight capacity: 20 to 65 lbs.
  • Cover: polyester, nylon, hand wash
  • Manufacturer's 1-year limited warranty
  • For warranty information please click here


  • Domino: E9LX16C
  • Pink giraffe: E9LX15K
  • Silver cloud: E9LX14J
  • Kiwi: E9LX13G
  • Onyx: E9LX11A
  • Jet set: E9LX11E
  • Static: E9LX17Z
  • Azul: E9LX17Y

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Rated 5 out of 5 by from Marathon CS I was recently in a front-end car accident in which the car (2006 Honda Civic) was totaled. My son (4 years old, 44 lbs.) was front-facing in the Marathon CS and sustained no injuries at all. He was up running around after the accident and complained of no pain in the days following. He only had minor seatbelt burn near his neck. It has been a week, and I am still in bed suffering from severe muscle spams and pain/whiplash. I am very pleased with this car seat and how it protected my son in the wreck. It is also very easy to install, easy to remove the covers to wash, fairly light weight. I highly recommend this seat. My son has used it since he outgrew the infant seat around age 1.
Date published: 2014-04-10
Rated 5 out of 5 by from Accident safety We were in an accident today. We were hit from the rear and the driver was going about 30-40 mph. She didn't hit her breaks at all. My wife and I had very sore necks and backs. My daughter, however was in perfect condition still eating her snack. This car seat kept her safe and sound. It gives us total peace of mind knowing she is safe. We read another review about an accident and safety and now we are the review. Thank you for building such a safe car seat. Buy this car seat and have peace of mind that your child will be safe.
Date published: 2014-09-20
Rated 3 out of 5 by from Not comparable to Advocate Great seat if compared to other brands but after owning this seat and the Advocate...hands down Advocate is the best seat out there. This seat isn't flimsy but you can feel the lack of quality when compared to the advocate. I have the pink and gray and the material snags easy and the strap covers are a very thin rubber unlike the advocate. Love the recline love the ease of strap adjustment. This is my spare seat for my husbands car but If I had to do over again I would have purchased two advocates instead of this one. Like I said great seat but it's just not an advocate.
Date published: 2014-04-23
Rated 5 out of 5 by from Love it. Worth every penny! We have had the marathon now for a little over six months. I should have bought this a longtime ago. My son is almost two and only purchased it because we needed a car seat that was forward facing. I will be buying this much earlier for our next child rear facing. This car seat is very comfy and very sturdy. Easy to install. It's is bigger then most car seats but I like that because I know it's built well. Also is heavier the other car seats but again it makes me feel that the car seat is safer because it not make out of cheap light plastic.also very easy to clean and keep clean! Highly recommend this.
Date published: 2015-07-25
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