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Marathon Onyx Booster Car Seat
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Marathon Onyx Booster Car Seat

$179.00 2 stores
  • Recommended For Ages: More than 4 Years
  • Type: Booster
  • Additional Features: Top Tether Strap
  • Seating Direction: Rear / Forward Facing
  • Stay-in Car Base: No Detachable Base
  • Restraint System: 5-Point Safety Harness
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Marathon Onyx Booster Car Seat

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.

Product Review Summary

4.9
Based on 63 user reviews
96% recommend this product
5 stars
58
4 stars
2
3 stars
2
2 stars
1
1 star
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Pros
  • Durable (34)
  • Comfortable (32)
  • Safe (32)
  • Easy to Use (31)
  • Great Design (24)
  • Good Value (12)
  • Stable (4)
  • Easy to Clean (2)
  • Sturdy (2)
  • Good Quality (2)
Cons
  • Expensive (17)
  • Bulky (8)
  • Heavy (5)
  • none (4)
  • Difficult to Clean (1)
  • fit around legs a little tight (1)
  • outgrown too fast (1)
  • Difficult to adjust (1)
Good For
  • Toddlers (34)
  • Everyday Use (28)
  • Large Cars (26)
  • Infants (24)
  • Travel (18)
  • Small Cars (12)
  • Short Trips (6)
  • Long Trips (6)
  • Boys (1)
  • Preschoolers (1)
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Consumer Reviews

9

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

bylunachan9 Jun 15, 2009
17 Helpfuls 18 Helpfuls Was this review helpful? 3 Comments
Pros Ease of use, safety, comfort
Cons Price, size
Recommended it? Yes

I am infatuated with my son’s Britax car seat.  When I worked at Babies R Us (about 6 years ago) I learned just about everything I could learn about car seats, how they’re made, how seat A stacks up against seat B and the ratings and what you should look for.  You also learn all the quirks that... Read full review »

9

Safty is worth the price!

byhjakeway May 29, 2008
16 Helpfuls 17 Helpfuls Was this review helpful? 1 Comment
Pros Stable, Safe & Can stay in until 65 pounds
Cons Smaller base tears up your seats & narrow in seat for bigger kids
Recommended it? Yes

We own 2 of the Marathons and 2 of the Regents! We moved our 4 year old into the Regent when baby came. The Regent is a little better for the bigger kids but you certainly don't have to change. We just chose to move her.

**Note Use a pad under the base. The base is smaller and tears up... Read full review »

28

Makes me feel my toddler is safe!

bymarch972 Jan 23, 2007
16 Helpfuls 17 Helpfuls Was this review helpful? 2 Comments
Pros Safe& Sturdy, Easy to install
Cons Bulky
Recommended it? Yes

On baby # 2 I probably would have kept using the same middle of the road brands that we had used with baby #1, but my son was born with brittle bone disease. So any Unnecessary jarring could cause him to break a bone or 5. So I started to look into what were considered the "best " on the market. My... Read full review »

Read All Reviews »

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Britax 2012 Roundabout 55 Convertible Car Seat Silver Lake

Unique features including a patent-pending rip-stitch tether - reduces G-force effects on the head and body in the event of an impact, a sculpted base, push button release LATCH system with patented Versa-Tether, and built-in vehicle belt lock-offs, make a tight installation in your vehicle quick and simple. The tangle-free polyester 5-point harness helps to effortlessly secure your child every day. The Marathon also offers a patented HUGS system, belly pad, and a plush & washable seat cover for that ultimate comfort experience for children rear-facing from 5 to 33 pounds or children forward-facing from 1 year old and 20 to 65 pounds.

Stock Availability: In stock
Store Note: Earn 2% eBay Bucks on qualifying purchases! Backed by eBay Buyer Protection Program. Terms and Conditions apply.
Base Price: $179.00
Tax:
Shipping: Free Shipping
Total Price: $179.00

Free Shipping
$179.00
Store Note: Earn 2% eBay Bucks on qualifying purchases! Backed by eBay Buyer Protection Program. Terms and Conditions apply.

Britax Roundabout 55 Convertible Car Seat Smokey Pearl

Unique features including a patent-pending rip-stitch tether - reduces G-force effects on the head and body in the event of an impact, a sculpted base, push button release LATCH system with patented Versa-Tether, and built-in vehicle belt lock-offs, make a tight installation in your vehicle quick and simple. The tangle-free polyester 5-point harness helps to effortlessly secure your child every day. The Marathon also offers a patented HUGS system, belly pad, and a plush & washable seat cover for that ultimate comfort experience for children rear-facing from 5 to 33 pounds or children forward-facing from 1 year old and 20 to 65 pounds.

Stock Availability: In stock
Store Note: Earn 2% eBay Bucks on qualifying purchases! Backed by eBay Buyer Protection Program. Terms and Conditions apply.
Base Price: $179.00
Tax:
Shipping: Free Shipping
Total Price: $179.00

+ $20.38 shipping
$208.79
Store Note: Earn 2% eBay Bucks on qualifying purchases! Backed by eBay Buyer Protection Program. Terms and Conditions apply.

Britax E9lb11a Marathon 70 Collection Convertable Car Seat In Onyx

Type: Booster, Rear / Forward Facing, With 5-Point Safety Harness, Recommended for More than 4 Years children, Weight Limit 65 - 5 lbs., Height Limit 18 - 49 In.

Stock Availability: In stock
Store Note: Earn 2% eBay Bucks on qualifying purchases! Backed by eBay Buyer Protection Program. Terms and Conditions apply.
Base Price: $208.79
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Shipping: $20.38
Total Price: $229.17

Product Details and Features

Product MPN

MPN E9L0669

Key Features

Recommended For Ages More than 4 Years
Type Booster
Additional Features Top Tether Strap
Seating Direction Rear / Forward Facing
Stay-in Car Base No Detachable Base
Restraint System 5-Point Safety Harness
Adjustable Harness Height Adjustable Harness Height
Height Limit 18 - 49 In.
Weight Limit 65 - 5 lbs.

Other Features

Brand Britax Römer
Head Protection No Headrest
Carry handle No Carry Handle

Miscellaneous

Product ID 28765004
UPC 652182052492
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