1. Introduction
Thank you for choosing the Bebesit Travel System Mars LX. This 3-in-1 system is designed to provide comfort and safety for your child from newborn up to 15 kg. It includes a stroller, a bassinet mode, and a car seat with a base, offering versatile solutions for your child's travel needs. Please read this manual carefully before assembly and use to ensure proper operation and safety.
2. Important Safety Information
WARNING: Failure to follow these instructions could result in serious injury or death.
- Always use the 5-point safety harness when your child is in the stroller or car seat.
- Never leave your child unattended in the stroller or car seat.
- Ensure all locking mechanisms are engaged before placing your child in the stroller.
- Do not exceed the maximum weight capacity of 15 kg for the stroller and 12 kg for the car seat.
- This product is certified by NTEC23PI0603178 and ECE R44/04, meeting high safety standards.
- Avoid placing heavy bags on the handle, as this can cause the stroller to tip over.
- Always engage the brakes when the stroller is stationary.
- Keep children away from moving parts during assembly and adjustment.
3. Product Components and Features
The Bebesit Travel System Mars LX includes the following main components and features:
- Stroller Frame: Lightweight and durable frame with adjustable handle.
- Reversible Seat Unit: Converts from bassinet to toddler seat, can face forward or backward.
- Infant Car Seat: Suitable for newborns up to 12 kg, includes a 3-point harness.
- Car Seat Base: For secure installation of the infant car seat in a vehicle.
- Wheels: Four robust wheels, front wheels with 360° swivel and suspension for agile maneuvering.
- Safety Harness: 5-point harness for the stroller seat, 3-point harness for the car seat.
- Adjustable Canopy: 3-panel canopy with visor and discovery window.
- Storage Basket: Ample under-seat storage with a capacity of 3 kg.
- Central Security Brake: For reliable stopping.
- Removable Foot Cover: For added warmth and protection.

Figure 1: Key features of the Bebesit Mars LX Stroller.

Figure 2: Detail of the 5-point harness with protective pads.
4. Assembly Instructions
Follow these steps to assemble your Bebesit Travel System Mars LX:
- Unfolding the Frame: Release the folding latch and unfold the stroller frame until it locks securely into place. Ensure all parts are fully extended and locked.
- Attaching the Wheels: Insert the wheels into their respective slots on the frame until they click. Ensure they are firmly attached.
- Installing the Seat Unit/Bassinet: Align the seat unit or bassinet with the connectors on the stroller frame. Push down firmly until you hear a click, indicating it is securely locked. Verify by gently pulling upwards.
- Attaching the Car Seat: If using the car seat, remove the stroller seat unit. Align the car seat with the frame connectors and push down until it clicks into place.
- Adjusting the Handlebar: Press the buttons on the sides of the handlebar to adjust it to your desired height.

Figure 3: The 3-in-1 configurations of the Travel System.
Video 1: Demonstration of assembly and component attachment for a similar travel system (Kobu model). This video illustrates how to attach and detach the bassinet and car seat from the stroller frame, and how to fold the stroller.
5. Operating Instructions
5.1. Stroller Use
- Reclining the Seat: Use the recline mechanism on the back of the seat to adjust the angle for your child's comfort. The seat can be fully reclined for bassinet mode.
- Reversing the Seat: To change the direction of the seat (forward or parent-facing), press the release buttons on the sides of the seat unit, lift it off, and reattach it in the desired orientation.
- Adjusting the Handlebar: Press the buttons on the sides of the handlebar to adjust its height for comfortable pushing.
- Braking: Push down on the central security brake pedal located between the rear wheels to engage the brakes. Lift the pedal to release. Always engage the brake when stopping.
- Swivel Wheels: The front wheels can swivel 360° for easy maneuverability. Lock them for stability on uneven terrain.
5.2. Folding the Stroller
To fold the stroller for compact storage or transport:
- Ensure the seat is in the forward-facing position and fully upright.
- Engage the brakes.
- Locate the folding mechanisms (usually levers or buttons on the handlebar or frame).
- Follow the specific folding sequence for your model, typically involving pressing buttons and pushing the handlebar forward or down until the frame collapses.
- Secure the folding latch to keep the stroller in its compact folded state.

Figure 4: Stroller in compact folded position.

Figure 5: Folded dimensions of the Mars LX stroller.
6. Car Seat Installation
The infant car seat can be installed in your vehicle using its included base. Always refer to your vehicle's owner's manual for specific car seat installation instructions and compatible seating positions.
- Base Installation: Place the car seat base on the vehicle seat. Secure it using the vehicle's seat belt system or ISOFIX/LATCH anchors if available and compatible. Ensure the base is tightly secured and does not move more than 1 inch in any direction.
- Car Seat Attachment: Once the base is secure, align the infant car seat with the base and push down firmly until it clicks into place. Verify that the car seat is securely attached to the base by pulling upwards.
- Child Securement: Place your child in the car seat and fasten the 3-point harness. Adjust the harness straps snugly against your child's body, ensuring no slack. The chest clip should be at armpit level.

Figure 6: Infant car seat with included base.
7. Maintenance and Care
- Cleaning: Clean the fabric components with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Frame Cleaning: Wipe the plastic and metal frame parts with a damp cloth and mild soap if necessary. Dry thoroughly.
- Wheel Maintenance: Regularly check the wheels for debris and ensure they rotate freely. Lubricate axles if needed.
- Storage: Store the travel system in a clean, dry place away from direct sunlight and extreme temperatures.
- Inspections: Periodically inspect all parts for wear, damage, or loose fasteners. Discontinue use if any damage is found and contact customer support.
8. Troubleshooting
If you encounter any issues with your Bebesit Travel System Mars LX, please refer to the following common solutions:
- Stroller not folding/unfolding smoothly: Ensure all locking mechanisms are disengaged before folding. Check for any obstructions in the folding mechanism.
- Wheels not swiveling: Check for debris or dirt caught in the wheel mechanism. Clean and lubricate if necessary. Ensure the swivel lock is disengaged.
- Car seat not attaching securely: Ensure the car seat and base are correctly aligned with the connectors. Apply firm pressure until a click is heard. Check for any obstructions.
- Harness difficult to adjust: Ensure the harness straps are not twisted. Refer to the harness adjustment section in the full manual for detailed instructions.
For persistent issues or concerns not addressed here, please contact Bebesit customer support.
9. Specifications
| Feature | Detail |
|---|---|
| Brand | Bebesit |
| Model | Mars LX (QB818) |
| Color | Gris (Grey) |
| Material | Plastic (Frame), Polyester (Seat) |
| Age Range (Stroller) | Baby (Newborn to 4 years) |
| Max Weight Recommendation (Stroller) | 15 kg |
| Max Weight Recommendation (Car Seat) | 12 kg |
| Harness Type | 5-point (Stroller), 3-point (Car Seat) |
| Folded Dimensions (L x W x H) | 73 cm x 28 cm x 60 cm (approximate) |
| Unfolded Dimensions (L x W x H) | 75 cm x 58 cm x 100 cm (approximate) |
| Product Weight | 12 kg |
| Wheel Material | Plastic |
| Safety Certifications | NTEC23PI0603178, ECE R44/04 |
10. Warranty and Support
For warranty information, product registration, or technical support, please refer to the documentation included with your purchase or visit the official Bebesit website. Keep your proof of purchase for any warranty claims.
If you require assistance, please contact Bebesit customer service directly. Contact details can typically be found on the product packaging or the manufacturer's website.