1. Introduction and Safety Information
Thank you for choosing the AutoFull M5 Ergonomic Gaming Chair. This manual provides essential instructions for assembly, operation, maintenance, and troubleshooting to ensure a safe and comfortable experience. Please read it thoroughly before use and retain it for future reference.

A full view of the AutoFull M5 Ergonomic Gaming Chair, showcasing its design and features.
Important Safety Warnings:
- The maximum recommended user weight for this chair is 150 kg (330 lbs). Do not exceed this limit.
- Always follow the assembly instructions carefully to prevent injury or damage to the chair.
- Ensure all screws and bolts are securely tightened before use and check them periodically.
- Use the chair on a flat, stable surface.
- This chair is designed for ergonomic support. Incorrect use or prolonged sitting in an improper posture may exacerbate existing back conditions. Consult a healthcare professional if you have concerns.
- Keep children and pets away from the chair during assembly.
2. Setup and Assembly
Assembly typically takes approximately one hour for a single person. All necessary tools (Allen wrenches) and hardware are included in the package. Please ensure all components are present before beginning assembly.
General Assembly Steps:
- Attach the casters to the chair base.
- Insert the gas lift into the center of the chair base.
- Mount the seat mechanism to the underside of the seat cushion.
- Attach the backrest to the seat cushion using the provided brackets and screws.
- Connect the armrests to the seat cushion.
- Place the assembled seat and backrest onto the gas lift.
- Install the footrest (if applicable).
Note: Some users have reported that the screws for attaching the footrest supports may be shorter than ideal. If you encounter this, longer screws of the same thread type may be required.

This image presents a side view of the AutoFull M5 Gaming Chair, emphasizing its integrated backrest and ergonomic design for maximum relaxation.
3. Operating Instructions
The AutoFull M5 chair offers multiple adjustment options to customize your seating experience for optimal comfort and support.
3.1. Adjustable Headrest
The revolutionary headrest is mounted on a sliding rail, allowing for height adjustments of up to 6 cm. This ensures comprehensive neck support for users between 1.2 m and 1.8 m (3'11" - 5'11") tall.

This image illustrates the orbital lifting headrest, demonstrating its 60mm height adjustment range for precise neck support.
3.2. 4D Adjustable Armrests
The armrests can be adjusted in four dimensions to suit your preference:
- Height Adjustment: Up and down (70mm range).
- Forward/Backward: Slide armrests forward or backward (60mm range).
- Left/Right: Adjust armrests inward or outward (20mm range).
- Rotation: Rotate the armrest pads up to 30 degrees.

This diagram details the 4D adjustable armrests, showing their ability to move up/down (70mm), forward/backward (60mm), left/right (20mm), and rotate by 30 degrees for personalized comfort.
3.3. Dynamic Lumbar Support
The chair features an ultra-wide dynamic lumbar support system with automatic tracking. To activate the auto-tracking function, simply press the lumbar support. It will automatically align to the optimal support position for users between 1.2 m and 2.0 m (3'11" - 6'7") tall, with an automatic angle adjustment range of 0 to 30 degrees. To deactivate auto-tracking and lock the support in a fixed position, push the lumbar support to its highest point.

This image shows the dynamic lumbar support system, highlighting its automatic tracking feature and the 0-30 degree adjustment range, designed to provide continuous comfort and back support.
3.4. Seat Cushion and Recline
The AutoFull M5 features an ultra-wide 52.5 cm (20.7 inch) wingless seat cushion, designed for comfort and spaciousness, allowing for various sitting postures. It is constructed with breathable leather and high-resilience 11.5 cm (4.5 inch) thick urethane foam, incorporating an integrated spring coil for optimal support and pressure distribution.
The chair offers a continuous recline function from 90 to 160 degrees, allowing you to find your preferred angle for work, gaming, or relaxation.

This image highlights the 52.5 cm wide, wingless seat cushion design, emphasizing its spaciousness and comfort for various sitting postures.
3.5. Extensible Footrest
For added relaxation, the chair includes an extensible footrest that can be pulled out when needed and retracted when not in use.
4. Maintenance
Proper maintenance will extend the life and appearance of your AutoFull M5 Gaming Chair.
- Cleaning: For the leather surfaces, wipe regularly with a soft, damp cloth. For deeper cleaning, use a mild leather cleaner according to the product instructions. Avoid harsh chemicals or abrasive materials.
- Fasteners: Periodically check all screws and bolts to ensure they are tight. Re-tighten if necessary to maintain stability and safety.
- Moving Parts: The casters and gas lift are designed for durability. Keep the casters free of debris to ensure smooth movement.
- Environment: Avoid prolonged exposure to direct sunlight or extreme temperatures, as this can affect the leather material.
5. Troubleshooting
If you encounter any issues with your AutoFull M5 Gaming Chair, please refer to the following common problems and solutions:
- Footrest Screws Too Short: If the provided screws for the footrest supports are too short, you may need to source slightly longer screws of the same thread type from a hardware store.
- Seat Feels Too Small/Precise: The seat cushion is 52.5 cm wide. For individuals with a larger build or height, the seat may feel precise. Please refer to the dimensions in the specifications section to ensure suitability before purchase.
- New Product Odor: It is normal for new products, especially those made with leather and foam, to have a slight odor initially. This typically dissipates within a few days of use in a well-ventilated area.
- Missing or Damaged Parts: Upon receiving your chair, inspect all components. If any parts are missing or damaged, contact customer support immediately for assistance.
- Chair Squeaks or Wobbles: Check all assembly screws and bolts and tighten them securely. Ensure the chair is on a level surface.
6. Specifications
Detailed specifications for the AutoFull M5 Ergonomic Gaming Chair:

This diagram illustrates the overall dimensions of the AutoFull M5 Gaming Chair, including seat height, backrest height, seat width, and armrest adjustability. It also indicates an applicable height range of 155-190 cm and a maximum applicable weight of 150 kg.
| Feature | Specification |
|---|---|
| Brand | AutoFull |
| Model Number | AFM501BMSA-EU |
| Color | Black |
| Product Dimensions (L x W x H) | 58 x 70 x 122.5 cm (22.8 x 27.6 x 48.2 inches) |
| Item Weight | 26 kg (57.3 lbs) |
| Material (Frame) | Metal |
| Material (Seat Type) | Leather |
| Maximum User Weight Recommendation | 150 kg (330 lbs) |
| Gas Lift Class | Class 4 (SGS certified, supports up to 400 kg static load) |
| Applicable User Height | 155 cm - 190 cm (5'1" - 6'3") |
| Recline Angle | 90° to 160° |
| Armrest Adjustments | 4D (Height, Forward/Backward, Left/Right, Rotation) |
| Lumbar Support | Dynamic, Auto-tracking (0-30° adjustment) |
| Headrest Adjustment | Orbital lifting (6 cm height adjustment) |
7. Warranty Information
Specific warranty details for the AutoFull M5 Ergonomic Gaming Chair are not provided within this document. For information regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your purchase or contact AutoFull customer support directly. Proof of purchase may be required for any warranty claims.
8. Customer Support
If you have any questions, require assistance with assembly, or need further support regarding your AutoFull M5 Ergonomic Gaming Chair, please contact:
- The retailer from whom you purchased the product.
- AutoFull Official Customer Service (refer to the product packaging or official website for contact details).
Please have your model number (AFM501BMSA-EU) and proof of purchase ready when contacting support.