| Mode | Weight | Height |
|---|---|---|
| Rear-facing infant | 4–30 lb | Up to 30 in |
- Seat weight
- 6 lb
- Width
- 17 in
- Usable life
- 7 years
- Aircraft
- Certified
$449.99Price on uppababy.com as of 2026-10-07 05:49 UTC, subject to change
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An infant car seat with one mode: rear-facing infant 4 to 30 lb, up to 32 in.
$349.99on uppababy.com, as of 2026-10-07 05:49 UTC. Prices change.
Buy from UPPAbaby (opens uppababy.com in a new tab)Sold by UPPAbaby. Not an affiliate link; this site earns nothing from it.
The UPPAbaby Mesa V3 is a rear-facing-only infant car seat for babies from 4 to 30 lb and 32 inches or less, with the head at least 1 inch below the top of the headrest. The carrier clicks into a base installed with lower anchors or a seat belt, belts in without it, and expires after 10 years.
The Mesa V3 suits a family that wants a base with a red-to-green tightness indicator and a carrier that also belts in alone, including with a lap-only belt or a locking clip. The trade-off is weight: UPPAbaby lists the carrier at 9.9 lb and the base at 9 lb. The Aria V2 carrier is listed at 6 lb (without canopy and insert) and its base adds a load leg, but its height limit is 30 inches, its expiry is 7 years and its base is listed at 12.8 lb.
A research summary of UPPAbaby’s published specifications and manual, read . Not a hands-on test or a crash-safety rating.
This seat covers one stage. UPPAbaby gives it a 10-year life from the date of manufacture, so check the date label before using a hand-me-down.

| Mode | Child weight | Child height | Minimum age | Conditions |
|---|---|---|---|---|
| Rear-facing infant | 4 to 30 lb | Up to 32 in | Not published | From birth; whichever limit comes first. Top of head at least 1 in below top of headrest structure (manual) |
A child must meet every limit for the mode they use. The labels on your seat and its manual are the final word.
Every install is a fit between one seat and one vehicle. Read both manuals, and use a free inspection station if anything is unclear.

At 17 in at its widest, this seat is one of the narrower ones in its class and is a candidate for three across in many mid-size cars. It weighs 9.9 lb, which matters if you will move it between cars or carry it through an airport.
Ada, Evelyn, Greyson, James, Savannah.
Park on level ground, set the base with its adjustment foot toward the seat back and press the level adjust button until only green shows between the arrows on both sides. For lower anchors, pull the connectors from their storage pockets, clip them on and push the base into the seat crease so the webbing retracts. The install is complete when the tightness indicator turns from red to green and stays green. For a seat belt, the lap/shoulder or lap-only belt goes through the lock-off, which closes in two sections with a click. The center seat with lower anchors needs anchors no more than 22 inches apart and the vehicle maker's approval.
Source: UPPAbaby Mesa V3 manual (PDF)
The preferred baseless install routes the lap belt through both carrier guides and wraps the shoulder belt around the back through the rear guide. If it does not reach, an optional routing uses the lap guides only, and a lap-only belt also works. With a lap and shoulder belt, the belt must lock, or you use the locking clip stored under the base, threaded 1 inch from the latch plate. The red line on the carrier must be level with the floor. On an aircraft, only the carrier is certified, installed like the lap-only method on a forward-facing seat. Inflatable belts are not compatible.
Source: UPPAbaby Mesa V3 manual (PDF)
The carry handle locks in four positions: stand, store, carry and rebound. In a vehicle it must be in the 3rd carry position or the 4th rebound position. The no-rethread harness moves with the headrest, which slides up or down when you pull the adjuster tab. Rear-facing, the harness sits at the shoulders or 1 to 2 positions below. The crotch buckle has two slots, and you use the one closest to the child. The infant insert is recommended from 4 to 11 lb, and may stay past 11 lb until the fit criteria are met without it. Harness pads must come off for a preemie.
Source: UPPAbaby Mesa V3 manual (PDF)
To remove the fabrics, unbuckle the retainer clip and harness, pull the side impact padding forward to free the harness straps, then pull it down from the bottom. The seat padding comes off next. The seat pad, infant insert, buckle pads and shoulder pad machine wash warm on a gentle cycle with mild detergent and tumble dry low, with no bleach, ironing or dry cleaning. The harness webbing and canopy are spot clean only and must air dry completely. If the buckle stops clicking, rinse it under warm running water without detergent or lubricant.
Source: UPPAbaby Mesa V3 manual (PDF)
No campaign in the current NHTSA child-restraint data names this model family, and I have not run a separate review for it. Check your seat’s model number and date of manufacture before use.
The manual gives 4 to 30 lb and 32 inches or less, and the child must meet both. The top of the head must also stay at least 1 inch below the top of the headrest in its highest position.
The manual says to stop using it 10 years from the date of manufacture, or after a crash. The dates are on labels on the bottom of the carrier and base.
Yes, the carrier is certified for aircraft use, but the base is not. Install the carrier with the aircraft lap belt through both guides, on a forward-facing seat, with the handle in the 3rd or 4th position if it clears the seat in front.
UPPAbaby lists the carrier at 9.9 lb and the base at 9 lb, not counting the child. The carrier is listed at 17 inches wide and 25.8 inches long, and 17 by 28 inches on the base.
UPPAbaby lists the Aria V2 for 4 to 30 lb and up to 30 inches, with a 6 lb carrier (without canopy and insert), a 12.8 lb base with a load leg and an Anti-Rebound+ panel, and one crotch buckle position.
The manual lists all Vista and Cruz models for direct attachment, and Ridge and Minu strollers with model-specific adapters. Engage the stroller brake and remove the toddler seat first.
Answers refer to the model and manual version on this page. Check the instructions supplied with your seat.
| Model | Top child weight | Seat weight | Width | Usable life |
|---|---|---|---|---|
| Mesa V3 infant car seat (this seat) | 30 lb | 9.9 lb | 17 in | 10 years |
| Aria V2 infant car seat | 30 lb | 6 lb | 17 in | 7 years |