Pioneer 9 4-Wheel Bariatric Electric Scooter S331 by Merits | Wheelchair Liberty
Merits S331 Pioneer 9 4-Wheel Heavy Duty Mobility Electric Scooter from Wheelchair LIberty
Merits S331 Pioneer 9 4-Wheel Heavy Duty Mobility Electric Scooter from Wheelchair LIberty
Merits S331 Pioneer 9 4-Wheel Heavy Duty Mobility Electric Scooter from Wheelchair LIberty
Merits S331 Pioneer 9 4-Wheel Heavy Duty Mobility Electric Scooter from Wheelchair LIberty
Merits S331 Pioneer 9 4-Wheel Heavy Duty Mobility Electric Scooter from Wheelchair LIberty

Pioneer 9 4-Wheel Bariatric Electric Scooter S331 by Merits

Brand: Merits
Item Number: S331-1ARMU

Regular price $5,098.00 $3,008.00 On Sale

  • Estimated Arrival: Between Sep 26 and Oct 05. * ETA for USA only

    FREE Shipping on all orders over $100!

    The Merits Pioneer 9 S331 is a super heavy-duty electric scooter to meet the needs of the most demanding user & It can support bariatric users of up to 550 lbs, a reinforced steel front bumper, large 10 in. air-filled tires, and a strong suspension.  All of these features combined to make it ideal for any user on a variety of terrains.

    The Merits Pioneer 9 S331 Electric Scooter has impressive power and good ground clearance; This electric scooter is equipped for outdoor use & it also comes equipped with a powerful drive train and automatic safety steering as well as safety half-speed control for maneuvering over difficult terrains such as grass and gravel. Rear anti-tippers provide stability and safety & If you need an electric scooter that lives up to the demand for outdoor use, then the Merits Pioneer 9 S331 Electric Scooter is the one for you.

    Medicare Code

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    30-Day Return Policy 5 -Year Limited Warranty


    • Weight capacity: 500lbs
    •  3-wheeled outdoor scooter
    •  Heavy-duty type
    •  One-piece frame to increase strength
    •  22" high back sliding captain seat
    •  Automatic safety turning half speed control by sensor
    •  Half speed control pre-setting on the upper dashboard provides safety
    •  Colors available: Red
    •  Options: oxygen tank holder, cane & crutch holder, walker holder, canopy, foldable rear basket
    •  Warranty: Frame 5-year, 18-months on electronics and motors
    • The Pioneer 9 Electric scooter is designed with controls that are easily accessible and easy to operate, making this scooter an ideal choice for the elderly.
    • It is equipped with a comfortable, 22-inch high backrest captain's seat that you can easily adjust to your preferred height.
    • The seat of the Pioneer 9 electric scooter can be rotated up to 45 degrees for convenient entry and exit from the scooter.
    • It comes with adjustable armrests that you can do so without needing any tools. 
    •  5-year - Frame 
    • 18-months  - Electronics and Motors

    Customer Reviews

    Based on 1 review
    comfortable and easy to use.


    As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase.  As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.  If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail.  If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.


    If your order is stock and we process the charges to your credit card, it will ship within five business days from the date of your order unless it is an item that is built as orders come in.  We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at


    If your item is defective or was damaged in shipping, please call us at 1-888-998-8840 or email us at We will arrange for the item to be repaired or replaced promptly.


    Orders cancelled after the item has shipped are subject to all standard return policies. You must accept delivery, obtain an RA Number and ship the item back to the correct address. If delivery of an item is refused, return shipping costs are deducted from the issued credit and a 25% restocking fee (minimum $25) will apply.


    At Wheelchair Liberty, we strive to make sure that you always purchase the right product that you need. If you aren't sure about a product please check in with one of our experts to make sure you have exactly what you need: 888-998-8840

    However, we know that sometimes you may still receive a product that doesn’t work for you or you may have made a mistake during order placement. If you need to return an item, please review below:

    Most items may be returned within 30 days of receipt for a refund. They must be returned at the customer’s expense in their original packaging and be in new condition.  Many items require a restocking fee back to the manufacturer.  Click here to review the full Return Policy.

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    Keep in mind that Wheelchair Liberty will only price match products from an authorized internet dealer, this means that companies with a storefront are excluded. For instance, Wheelchair Liberty will not price match Amazon and eBay because they are unauthorized dealers. When you purchase from an authorized internet dealer like Wheelchair Liberty you can rest easy that you are purchasing authentic products, expertise and superior support; and this is for the life of the product!

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    ★ Reviews

    Let customers speak for us

    194 reviews
    Outstanding Product!
    Strong Frame
    Quick to install!
    Wife loves it.
    Awesome experience.