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Marathon Onyx Booster Car Seat

Description:
The legendary Britax Marathon™ convertible car seat is renowned for safety, comfort, and convenience. The Marathon is also one of many Britax products renowned for its ability to keep your child in a harnessed restraint up to 65 pounds.

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Marathon Onyx Booster Car Seat

$204.99 - $337.11

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in stock

$239.00

Total: $239.00

in stock

$337.11

Total: $337.11

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$287.00

Total: $287.00

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$204.99

Total: $204.99

Product Reviews

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Epinions.com
santin-art

Rating:

pros: Roomy, classy color

cons: none


excellent and durable

I love this carseat. Everyone tells me Britax makes the best and they are right! It is so comfy for... See Full Review

daphnetyler

Rating:

pros: High harness weight, installs easily

cons: cost


The workhorse of car seats

~Intended Use~ Rear Facing: 5-35 pounds and 49" or less with a sitting height (butt to shoulde... See Full Review

angelaalc

Rating:

pros: Easy to use, SAFE, cute

cons: the price was much higher than most of the other seats.


LOVE THIS CAR SEAT!

I bought this seat based on the consumer reports safety rating. I am very happy with it.... See Full Review

elvisdo

Rating:

pros: Safety, safety, safety! Comfortable and roomy; Installation isn't that hard...

cons: ... but it can be frustrating getting it right; cost is high; big and bulky


Britax Marathon Convertible Car Seat &#151 Back Seat Driving in Complete Comfort

One thing I have learned with a young toddler is how they grow out of things very quickly. This was... See Full Review

carolhcomments

Rating:

pros: Higher weight limits, plush & padded, R/F & F/F, SUPER SAFE & STURDY!

cons: Alittle heavy, NO cup holder or "mesh" pocket!


YAY!!

I bought a Britax Marathon in the "tan micro dot" pattern for my 3yr. old Foster Twins, because we w... See Full Review

lunachan9

Rating:

pros: Ease of use, safety, comfort

cons: Price, size


When "Good" just isn't enough...

I am infatuated with my son’s Britax car seat. When I worked at Babies R Us (about 6 yea... See Full Review

heartwine

Rating:

pros: Very comfortable seat for tall babies/infants Removable cover, padding can all be washed

cons: Expensive Big- takes up lots of space. Must have top tether anchor for FF- not avail always


Great for our peace of mind

Bought this seat with 20% off coupon at BRU to help defray exorbitant cost. We are really glad... See Full Review

ashleybrook

Rating:

pros: The cloth is very plush and my son is always comfortable. Easy to clean.

cons: very large seat in small cars there's not room in the backseat for another seat


SAFETY FIRST

When my youngest son turned 9 months old he outgrew his infant carrier. At this point he was n... See Full Review

momtomally

Rating:

pros: Easy to install. Daughter is comfortable.

cons: Tether doesn't work with our car.


Britax doesn't let you down.

When looking at car seats, we had narrowed our choices to the Britax Marathon and the Britax Bouleva... See Full Review

momoftwo72

Rating:

pros: Safety Installation Comfort Weight Limit Price

cons: None


Big fans of Britax!

We just ordered another Britax Car Seat. I originally bought the Britax Roundabout for my daug... See Full Review

Product Details

Product MPN
MPN E9L0669
Key Features
Adjustable Harness Height Adjustable Harness Height
Stay-in Car Base No Detachable Base
Restraint System 5-Point Safety Harness
Seating Direction Rear / Forward Facing
Weight Limit 65 - 5 lbs.
Additional Features Top Tether Strap
Height Limit 18 - 49 In.
Type Booster
Recommended For Ages More than 4 Years
Other Features
Carry handle No Carry Handle
Head Protection No Headrest
Brand Britax Römer
Miscellaneous
Product ID 28765004
UPC 652182052492