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Britax Marathon ClickTight Convertible Car Seat - Vibe

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Item # E1A386L


Rear-facing: 5-40 lbs
Forward-facing: 20-65 lbs
Height capacity: 49 inches
Dimensions (in): 18.5 W x 23.5 H x 23 D

What's Included: Car Seat Only


ClickTight Installation System

Easy, secure installation in 3 steps:
1: Turn the ClickTight Release
2: Thread and connect the vehicle seat belt
3: Click it closed!

Impact Absorbing Base

Compresses to absorb crash energy and counteract forward movement, keeping your child clear from the seat in front of them.

Side Impact Protection

Complete Side Impact Protection surrounds your child in a deep protective shell designed to absorb crash forces and shield your child from debris.

7-Position Recline

Adjusts for your child's comfort while ensuring the best installation angle for your vehicle.

The Marathon ClickTight Convertible Car Seat is an excellent choice for getting your family where they need to go safely, comfortably and with so much ease. With the ClickTight Installation System, now everyone can install the car seat securely and confidently by just buckling the seat belt. You simply open the front of the car seat, buckle the seat belt across the belt path and then click the seat shut for a proper installation every time. SafeCell Impact Protection surrounds your child in safety components that work together to protect well beyond the established federal safety standards. And Complete Side Impact Protection shields your little one in a deep protective shell designed to absorb crash forces and protect from debris.

A car seat works best when it provides the right fit so the Marathon ClickTight comes with the Quick-Adjust, 12-Postion Harness and 2-Position Buckle to keep up with your growing child. Plush Foam Padding provides premium comfort at every touch point and there are even 7 recline positions with an Automatic Level Indicator so you can adjust to ensure the best installation angle for your vehicle.

The Marathon ClickTight converts from a rear-facing position (for babies 5-40 lbs.) to a forward-facing position (for children 20-65 lbs.) and has been carefully designed to keep your child safe and you free from worry along the way. So click them in, give them a kiss and go with confidence.

Product Features

ClickTight Installation System ensures that everyone can install the car seat securely and confidently by just buckling the seat belt.

SafeCell Impact Protection is an integrated system of safety components that work together to protect your child well beyond the federal safety standards. Including an Impact Absorbing Base, Tether and Harness, an Impact Stabilizing Steel Frame, and Complete Side Impact Protection. SafeCell 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 and shield your child from debris.

  • SafeCell Impact Absorbing Base compresses to absorb crash energy and counteract forward movement keeping your child clear from the seat in front of them.
  • SafeCell Impact Stabilizing Steel Frame gives you peace of mind knowing there is strength where you want it most, through the spine of the car seat reducing forward flex and at the connection points to the vehicle.
  • SafeCell Impact Absorbing Tether minimizes potential seat rotation with our unique two-strap design and slows forward movement with our patented rows of stitching that ?give-way? one at a time.
  • SafeCell Impact Absorbing Harness slows forward movement in the event of a crash.
  • 7-Position Recline with Automatic Level Indicator adjusts for your child?s comfort while ensuring the best installation angle for your vehicle.
  • Plush Foam Padding in the cover, buckle pad, shoulder pads and removable pillow surrounds your child in comfort at every touch point.
  • EZ-Buckle System keeps buckles and straps out of your way when placing your child in the car seat.
  • Easy-Remove Cover for cleaning convenience.
  • Quick-Adjust, 12-Position Harness and 2-Position Buckle allows you to easily move the harness upward and buckle outward for a comfortable, secure fit as your child grows.
  • Certified for Aircraft Travel
  • Made in the USA with global components

Complete Specifications:

  • Child Weight (lbs) Rear Facing: 5 - 40 , Forward Facing: 1 year and 20, up to 65
  • Child Standing Height (in) 49 or less
  • Child Seated Shoulder Height (in) 16.95 or less
  • Product Weight (lbs) 28.5
  • Product Dimensions (in) 18.5W x 23.5H x 23D
  • Seating Compartment Height (in) 23.75
  • Seat Area Depth / Width (in) 10.5 / 11.5
  • Shoulder Width (in) 16
  • Harness Slot Heights (in) 8.35 to 17.7 (.85" increments), 12 positions
  • Buckle Strap Depths (in) 5.25 / 7

Review Summary
361 Reviews
78% (283)
14% (52)
2% (8)
2% (8)
3% (10)
93% Recommend this product (336 of 361 responses)
By Dar
Northern California
Favorite out of 4 car seats
December 17, 2020
This seat is solid. Thereís definitely a learning curve to the click tight mechanism, but once that itís overcome, the seat fits as nice and tight as the old Britax seats. I had a little anxiety worried my sister would try to take it out of her car and not know how. The one complaint I have is that it is low for the toddler, and she canít see everything out the window..maybe thatís safer? The straps are superior to the other seats I have (Graco, Evenflo and Cosco), and I feel the kids are more protected with this seat. My 2 year old grandson even wanted to sit in it over the Evenflo when he was riding with his cousin. Itís heavy to transfer into another car but I do it so rarely that itís not a big deal. Another con is that itís a little wide for the backseat of my Mazda CX-5, but not an issue because other seatbelts are still accessible, it just fits best behind the passenger seat. It also fit in rear facing when we used it that way.
ProsTight fit High quality straps Cute polka dot pattern
ConsLearning curve with click tight mechanism
By Allison
Portland, Oregon
East install!
November 26, 2020
We just purchased this carseat as an additional option for when visiting our parents house. Seems incredibly solid, it was very clear it was installed correctly, as well as easy to install. Would recommend
By Lea
Burlington, Vermont
Best Convertible Car Seat
October 19, 2020
This is the second Britax Marathon we have purchased and we love it. Easy to install and easy to get a kicking and screaming toddler in and secure. I just wish it had a cup holder!
By Repeat B.
Love Britax
October 12, 2020
We ordered this car seat for our first child and like it so much that we bought the same one for our second child. We are repeat Albee Baby customers because of the pricing and fast shipping!
ProsThe major pro for our family is the safety ratings for this car seat.
ConsThe base is bulky and is wider than the middle seat of our Ford Explorer, so if your family needs three of these seats across one row, that might be a challenge.
By Nancy D.
Murfreesboro, TN
LOVE this car seat!
August 26, 2020
This is our 3rd marathon we have purchased and LOVE each one of them!!! We have a boulevard too, but this one works better in our vehicles! Our girls seem to love the marathon! Roomy, straps function well, and most important top in safety!!!!
By Casey
Homer, Michigan
Beautiful and easiest car seat
July 23, 2020
This was by far the easiest install on a car seat ever! My husband did it with no problem and I love the straps can be easily adjusted without removing anything!
ProsEasy install
By Allie
Plymouth, MA
Comfy, easy to install
May 19, 2020
Adorable car seat at a great price. My 21 lb 7 month old seems very comfy in it and transitioned from newborn seat to this no problem. Got it with a coupon which makes it even better!
By Mo
Cokato, Minnesota
Great carseat
May 3, 2020
Great car seat.
Pros easy to clean, easy to buckle in, toddler likes the car seat and seems comfortable in it
Cons. The cover part keeps coming off and itís brand new (I had a older one same print marathon style but not click tight and cover never came off in the 5 years I had it. I just got new because I was in a accident)
By Debbie H.
Palm Bay, FL
Best car seat ever!!
March 17, 2020
Extremely happy with this purchase!!
ProsEasy to install in the car!!
By Cassie
Glasgow, Kentucky
So easy
March 17, 2020
We love how convenient this carseat is to install! It is a little heavy when moving between vehicles but I wouldn't want to use any other brand!
By chelsea
Carlisle, OH
Must have
February 28, 2020
Easy to install. Easy to adjust
By Chyenne
Worth the price
February 20, 2020
I love the quick and easy install.
ProsEasy install. Worth the price. Comfortable.
ConsVery very heavy.
By Jessica
Middletown, DE
Click tight and go!
February 19, 2020
We love our click tight seats and have multiple.
ProsEasy to install Good looking Safe
ConsLarge profile
By Lucy
Friendswood, Texas
Favorite Car Seat
February 17, 2020
I just purchased a new one of these for our upcoming daughter. I've used the Britax Marathon for both of my other children and absolutely LOVE it! Easy to install and excellent protection.
ProsLove the color options.
By Cjo
It's exactly as I thought
February 5, 2020
I hadn't ordered car seats online before and u was a little afraid. But it all looked great.
By Jessica
Nashville, Tennessee
Amazing seat
November 27, 2019
We tried numerous brands of seats. We ultimately decided on this one in-store at a Buy Buy Baby but the coupons were exempt. No higher upgraded version of this seat or any other fabric option for this specific seat was AS comfortable and squishy and plush as THIS very specific one (Verve). It installs fantastic (we are used to Diono) and allows her to RF very upright. More importantly it doesnít dig in to her legs (the One4Life and even some of the higher levels of fancyness Britax seats did) and the strap set up is amazing - no digging in to her neck. We tried SO many seats for these particular points and ONLY this specific one checked all the boxes (not Chicco, not Graco, not Diono)... so we are happy campers! Will be buying another. And will also be swapping my older kids out for Britax. We are Bri-lievers now - Britax all the way!
By Marcela
Chula Vista, CA
Great Looking and Performing Car Seat
November 26, 2019
Simple to install, looks nice and sleek. Easy to clean and comfortable for my 18 month old! Recommend!
By Ben
Fairfax, Virginia
Cute Carseat
November 17, 2019
The carseat is adorable and very easy to install.
By Chelsey
Great Car Seat
October 18, 2019
I initially picked this car seat because it came in cow print (we have a dairy farm) but after reading all the reviews on Britax products I will never buy any other brand of car seat. The safety reviews on this car seat are top notch. My child fits very comfortably in this car seat. The only downside is it is rather heavy and hard to transfer between cars (we bought a second car seat for my husbands vehicle). Overall I would recommend this car seat!
By crystal
Smithville, Mississippi
Quality is the best
September 29, 2019
We love this carseat
ProsEasy to install and get child in and out rear facing
By Cmj
Quality matters!
September 19, 2019
We love Britax due to safety features and quality. Overall, the seat is great. We like itís multiple recline positions, cushy seat pads, and smooth tightening harness. The seat is heavy and is a bit of a head scratcher to install at first. Once figured out, it wasnít too bad.
By Naketa
Damascus, Oregon
Easy to install
September 14, 2019
I know my baby is safe and this installs in minutes
ProsQuick install Easy to take apart and wash Comfortable Easy to adjust
ConsNo cup holders Material falls down from top of seat
By Katie
Marrero, Louisiana
Awesome product
August 14, 2019
I love everything about britax this seat is easy to install and use
ProsVery easy install
ConsHeavy (but still worth it)
By Gracie M.
Austin, TX
Sturdy, hides stains, and easy to install!
July 8, 2019
Hides stains, spills, and easy to install. I frequently switch between cars with grand parents etc...
ProsDurable, safe, and comfortable for the kiddos. Our 5 year old still sits in it, so definitely worth the price, considering the usage term.
ConsHeavy, but doesn't matter, since it just stays in the car.
By Bridget
Louisville, Kentucky
ClickTight is the best!
July 5, 2019
I LOVE ClickTight seats! I have three of them in my car, and when my fourth babe is old enough, he'll be in one, too! They're super easy to install, and I know I'm getting secure fit every time. I don't mind moving them since they're so easy to install!
By Stacie
Fort Irwin, CA
Works great
June 16, 2019
We have 2 Britax convertible car seats and just ordered another one. We've had no issues so far and they keep our kids safe. We chose these because of the safety ratings and recommendations.
By Olga
Chatsworth, CALIFORNIA
Great car seat
May 14, 2019
Our baby loves this car seat, it's very roomy. We liked it so much, we bought another one for our second car.
By Daph
New Orleans
Excellent car seat!
April 24, 2019
We bought this car seat to install it rear facing in my Mazda 2 (super small car) and it fits perfectly! It seems like we will be able to rear face our baby for as long as we want to. Very easy to install and doesn't take up a lot of space.
* This product review was collected by the manufacturer.
By Mimi
Austin, TX
Perfect and so pretty!
April 4, 2019
We have had Britax Marathon car seats in the past, but have found a new love with this click- tight model. So easy to install, and the Ollie Polkadot pattern is so pretty for our little granddaughter. It fits in my car perfectly!
By Momma M.
Simple safe installation
March 14, 2019
This car seat not only looks great but itís very easy to install. The clicktight functionality gives me the piece of mind that the seat is installed properly. No more climbing into car seats to make sure they are secured tightly.
ProsEasy install
Best UsesEveryday same vehicle carseat
By Kelsey
March 9, 2019
I ordered this car seat from Albee baby because it was $50.00 cheaper than ordering it from the brand maker. I saved money, got free shipping, and received the car seat three days later! I will definitely be using Albee baby more!
By Exhausted M.
March 4, 2019
I bought this because my niece was in a Britax convertible years ago and my older daughter has 2 Britax forward facing seats. I LOVE the Britax Frontier with Click Tight, so I knew I'd want to get a convertible car seat with ClickTight for my baby. BUT this seat is SOO heavy it's hard to move (which I try not to have to do but it's the only seat we own since it was so expensive). The ClickTight is not easy like with the Frontier it is extremely difficult I can barely get it closed I have to litterally put my knee on it and press with my body weight and wiggle to make it click (and most times it takes a few tries of doing this). Getting a car seat properly installed can be difficult and exhausting and I thought the Marathon with ClickTight would help me not have so much trouble but that is NOT the case it is just as difficult (in some ways even more difficult) than other seats.
It does have a no rethread harness but the straps on mine get uneven when you loosen and tighten them and you have to take the seat out and loosen them all the way and tighten them all the way a few times to make them get back to even and then REINSTALL the seat (which is a huge pain) and defeats the purpose of the no rethread harness for me because it's much harder to do that than to rethread a car seat harness.
and lastly there are no cup holders which is not a big deal but had I known it was going to be so difficult to use I would NOT have bought it and would have opted instead for a seat with more features (such as cup holders)
* This product review was collected by the manufacturer.
By Mama 5.
So disappointed in the color options!!
March 3, 2019
I'm a LONG time Britax car seat and specifically a Marathon user. I'm looking to purchase our 6th Britax convertible car seat for our youngest baby girl, and I'm soooo disappointed in the color options for all of the Britax convertible car seats. I've never had a problem finding a "girly" color option for my girls, but that no longer exists. This seems like a MASSIVE oversight/poor decision. I don't know any little girls who wouldn't pick something like pink or purple over gray and black. I've loved all of our Britax car seats, but because of something as silly as color, I'm planning to switch brands.
* This product review was collected by the manufacturer.
By DJ99
Hubbard Ohio
Great features
December 14, 2018
I bought one last year 2017! Easy install, great material, and just amazing! We had to get a replacement and they sent that out within two days! Great customer service as well
* This product review was collected by the manufacturer.
By TZ28
December 6, 2018
I bought this for my 4 mo daughter for Christmas. She was previously using the B-Agile Infant car seat and seemed uncomfortable. This car seat is awesome, seems super comfy for her. Riding in style!
* This product review was collected by the manufacturer.
By Grammy r.
New Milford
Cadillac of car seats
December 4, 2018
Very happy with it - cozy and snuggly and comfy and protective
* This product review was collected by the manufacturer.
By Jenn
Everett, Washington
Love this car seat!!
December 2, 2018
My daughter is so much happier in her new car seat! Sheís comfortable, safe and she can see out the window, which keeps her happy! I love how easy it was to install! I feel very confident in it being installed correctly because it was so straightforward and easy! I also feel confident in its safety. I bought one to start with just to see if we liked it and bought another one shortly after because it was obvious my daughter liked it. The price on this website was the best price I found and if you use Ebates, you can get cash back!
By Cindy
Exactly what I wanted
November 26, 2018
Easy installation, heavy duty frame, and comfortable for the little one. I am very pleased with the purchase.
ProsEasy installation
ConsDoesn?t allow my front seat much room
By Cecilia
Bakersfield, California
Comfortable and stylish
November 23, 2018
My daughter enjoys sitting in her car seat. This was a great purchase with a stylish look. This product feels and is a sturdy item. Easy to install. And Removing the material for washing was super easy. Although the car seat is on the heavy side.
ProsWell made
ConsHeavy car seat, and wide
By John
Franklin, Tennessee
Easy install
November 22, 2018
easy install - can even help install it with 1 hand
ProsEase of install
By Grandma
Great Design
November 16, 2018
Love this seat. It straps solidly to the car seat.
Adjusting the straps is intuitive and itís easy to get my grandchild in and out. The quality and ease of use are worth the price. Note that this seat is quite heavy. It would be difficult/impossible to travel by air with it.
By Kelly
Great Carseat!
November 14, 2018
Great carseat - had been shopping around for a good price on this exact car seat!
By R&C
Arlington, WA
Love this car seat!
November 8, 2018
My daughter is very happy and comfortable in this seat and I also feel itís very secure and safe easy to install and get her in and out 😊
By Brittany
Lake Geneva, Wisconsin
November 6, 2018
Super fast shipping for one! Just used for the first time yesterday my daughter hated her infant seat once it started getting to heavy I decided to buy this. She passed out instantly has so much room and very easy to install!! Love it.
By Nicole
Slaughter, Louisiana
Love Britax
November 4, 2018
I have always bough Britax car seats and Iím never disappointed!
Albany NY
Satisfied Customer
October 19, 2018
Love the car seat. Great experience shopping with Albee. I would definitely recommend. They had the car seat I wanted at the best price.
By Court240
Gastonia Nc
Excellent car seat
October 17, 2018
This makes the 6th britax seat our family has used since 2012. Not one of our seats has ever disappointed and so far this one is great too. The new click-tight system is super easy to install. The clock tight make it feel so tight and secure. The fabric is so soft, sturdy, comfortable, and will be easy to wipe clean. I like the indicator on the side to show the correct incline. The tilt is great to help keep baby's head from hanging down. Our original britax purchase from 2012 is still in great condition so I only look for this seat to hold up just as well since the fabric quality and technology seem to be improving with every seat. We also have 2 strollers that have held up great after several years of use. I will continue to purchase britax products
* This product review was collected by the manufacturer.
By Josselyn
The best Car Seat Hands Down!
October 16, 2018
I have bought many car seats and this is the first one that I can get tight in my vehicle. All the others seem loose on leather seats. I love the click tight option b/c it is fast and safe. I will now only buy these car seats moving forward. If you are contemplating buying this seat. DO IT !
Prosclick tight
By Marie
Las Vegas, NV
Great car seat
October 14, 2018
Very sturdy and comfortable.
ProsSturdy and comfortable
By Muditha
Garden Grove, California
look and feel is great
October 14, 2018
high quality materials. Nice and comfy looking finish.
Proseasy to attach
Consbit big for small cars

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