Merits Pioneer 4 Mobility Scooter – Heavy-Duty, Comfortable, and Built for Outdoor Performance
Experience dependable performance and comfort with the Merits Pioneer 4 Mobility Scooter—a rugged and versatile scooter built to handle your daily mobility needs. With a heavy-duty one-piece frame that supports up to 400 lbs., this scooter is perfect for users seeking a combination of safety, durability, and customizable comfort.
Equipped with full lighting for enhanced visibility, adjustable captain’s seating, and padded armrests, the Pioneer 4 ensures a smooth and secure ride indoors or outdoors.

Built for the Journey Ahead – Features That Make the Merits Pioneer 4 a Trusted Daily Companion
- Heavy-Duty Frame: One-piece frame design offers maximum durability and supports up to 400 lbs.
- Enhanced Safety Features: Standard steel bumper, anti-tip wheels, hazard lights, headlight, tail lights, and turn signals provide safer driving in all conditions.
- Comfort-Focused Seating: Captain-style seat with adjustable height, recline angle, and position for personalized comfort and support.
- Padded Armrests: Foam-padded armrests adjust in height, width, and angle to accommodate various user needs.
- Lighting & Signals: Built-in headlight, tail lights, hazard lights, and turn signals for improved visibility and road safety.

Merits Pioneer 4 Mobility Scooter Specifications
Weight Capacity | 400 lbs. |
Total Product Weight | 189 lbs. |
Battery Weight | 26 lbs. |
Driving Range | 18 miles |
Maximum Speed | 5 mph |
Turning Radius | 52 in. |
Ground Clearance | 4 in. |
Maximum Climbing Angle | 10-12° |
Battery Type | 12V / U1 x 2 pcs |
Motor | DC 24V, 250W (Rated) / 915W (Max) |
Controller | Dynamic Rhino 2, 120A |
Charger | Dynamic Rhino 2, 120A |
Brake System | Intelligent, regenerative, electromagnetic |
Front Wheels | 10" (260 x 85) Foam-filled tires |
Rear Wheels | 10" (260 x 85) Foam-filled tires |
Seat Width | 20 in. |
Seat Depth | 18 in. |
Overall Length | 47 in. |
Overall Width | 23 in. |
Overall Height | 45 in. |

Merits Pioneer 4 Mobility Scooter Warranty
Frequently Asked Questions (FAQs)
Is the Merits Pioneer 4 suitable for outdoor use?
Yes, the Merits Pioneer 4 is designed for both indoor and outdoor use. Its 10" foam-filled tires, and 4" ground clearance make it capable of handling rougher terrain like sidewalks, driveways, and parks.
How far can the Merits Pioneer 4 travel on a single charge?
The scooter offers a driving range of up to 18 miles per charge, depending on terrain, user weight, and battery condition.
Can the seat be adjusted for added comfort?
Yes, the Pioneer 4 includes an adjustable captain’s seat with a reclining back, height adjustment, and swivel functionality for easier entry and exit. The padded armrests are also adjustable in height, width, and angle.
What is the maximum user weight the Pioneer 4 can support?
The Pioneer 4 has a high weight capacity of 400 lbs., making it a reliable option for users who need extra support and stability.