Merits Health S331 Pioneer 9 Three Wheel Mobility Scooter

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Health S331 Pioneer 9 by Merits Health Products

Merits Health S331 Pioneer 9 Three Wheel Mobility Scooter Red Front Left Side View


This Merits Pioneer Mobility Scooter with 500-lbs weight capacity works great outdoors. This scooter even has a headlight. The scooter, top speed of 9.6 m.p.h. and 22" wide high back, semi reclining seat make the Pioneer 9 stand alone in its class. The many heavy duty features include a 4" ground clearance, 12.5" drive tires, 12 degree climbing angle, automatic safety speed control decreases speed to half during turning.

Merits S331 Features 

  • FREE basket included
  • 500 lbs. weight capacity! 
  • Range up to 32 miles
  • One piece frame to increase strength
  • Automatic safety turning half speed control by sensor

    Merits S331 Key Specs

    • Top Speed: 6 mph
    • Range: 32 miles 
    • Weight Capacity: 500 lbs. 
    • Unit Weight: 249 lbs. 
    • Turning Radius: 50" inches

      Why you should consider buying the Merits Health Pioneer 9 S331

      This 3 wheel scooter comes in at a weight capacity of 500 pounds! It has a one piece frame to increase strength. The battery lasts up to 32 miles on a single charge! Coming in at 6 mph, the Pioneer 9 by Merits Health is truly one of our community favorites as a 3 wheel scooter. 

      Order details

      You'll know that you are getting the Pioneer 9 S331 at the lowest price anywhere, thanks to Everlasting Mobility's Price Match Guarantee and no sales tax! With FREE shipping and financing available, you can enjoy the Merits Health 3 Wheel Scooter right away! 

      Merits S331 Manual Merits S331 Manual



        Merits Health S331 Pioneer 9 Warranty

        • Frame: 5 years from the date of delivery
        • Electronic Controllers, Harnesses, Chargers, Motors: 18 months from the date of delivery
        • Excludes: Plastic shrouds, Tires, Upholstery/Arm pads, painted surfaces, seating, bearings

        Merits Health S331 Pioneer 9 Specifications

        Top Speed 6 mph
        Battery Range 32 miles
        Weight Capacity 500 lbs.
        Unit Weight 249 lbs. 
        Turning Radius 50 inches
        Ground clearance 4 inches
        Motor DC 24v, 400w
        Controller Dynamic Rhino 160
        Battery 12V/Group 24(70AH-80AH) x 2pcs
        Charger 6A off-board
        Gradient 12 degrees
        Casters 10" flat free
        Drive Wheels 12.5" flat free
        Brakes intelligent, regenerative, electromagnetic
        Seat Width 22 inches
        Seat Depth 20 inches
        Seat Height 22 inches
        Backrest Height 22 inches
        Overall Length 53 inches
        Overall Height 47 inches
        Overall Width 27 inches

        Shipping is FAST & FREE in the United States Only.  Read our full Shipping Policy here. 

        We offer market leading 30 Day Easy Returns for anyone that qualifies for a return.  Read more about our Returns Policy here. 

        Please contact us directly at for any returns or questions on our shipping and returns. You can also call us at 1-800-498-2560 Monday-Friday from 8:30-5:30 Eastern Standard Time. 

        Customer Reviews

        Based on 38 reviews
        Leila S

        Realy happy with the Merits Pioneer 9 Scooter. Thank you everlasting mobility!

        Ana E
        Thank you!

        Can't believe how long it lasts! Thank you!!

        Maria D
        Will recommend

        Performed beautifully and extremely easy to to move around. Will be recommending the Merits Scooter

        Teagan W
        Answered Questions

        Thank you!

        Darion W
        Fully accessible

        Our mother loves the Merits Pioneer S331! Every time we visit she seems to be doing great and loving her Scooter, thank YOU!