Introduction
Thank you for choosing the Costzon 3-in-1 Mercedes Benz Push Car. This versatile ride-on toy is designed to grow with your child, offering three modes of use: a stroller, a walking car, and a foot-to-floor ride-on car. It features a licensed Mercedes Benz design, an adjustable sun canopy, safety guardrails, a steering wheel with sound effects, and convenient under-seat storage. Please read this manual carefully before assembly and use to ensure safe and proper operation.

Figure 1: The 3-in-1 multifunctional design of the Costzon Mercedes Benz Push Car, showing its evolution from stroller (18-24 months) to walking car (24-30 months) and finally a sliding car (30-36 months).
Safety Information
Always ensure your child's safety by following these guidelines:
- Adult supervision is required at all times.
- Ensure all parts are securely fastened before each use.
- Do not use on uneven surfaces, near stairs, or in traffic.
- The removable arm guardrails are designed to prevent falling. Always use them in stroller and walking car modes.
- The anti-falling back brake enhances stability.
- Recommended age: 18 months - 3 years.
- Maximum weight capacity: 55 lbs.

Figure 2: Key safety features including the anti-tipping design, detachable guardrail, retractable foot pedals, and durable wear-resistant wheels.
Parts List
Verify that all components are present before beginning assembly:
- 1 x Push Car Body
- 1 x Steering Wheel
- 1 x Backrest/Seat Assembly
- 1 x Push Handle
- 1 x Sun Canopy
- 2 x Arm Guardrails
- 1 x Instruction Manual
- Necessary Screws and Fasteners (as per assembly video)
Setup and Assembly
Follow these steps for proper assembly. Refer to the assembly video for visual guidance.
Step 1: Attach the Steering Wheel
- Insert the steering column into the designated hole on the car body.
- Secure the steering wheel to the column using the provided screw. Ensure it is fastened tightly.
Video 1: Official assembly video for the Costzon Licensed Mercedes Benz Push Car. This video demonstrates the complete assembly process, including attaching the steering wheel, push handle, and canopy, and highlights key features.
Step 2: Install the Push Handle and Backrest
- Attach the backrest to the rear of the car body.
- Assemble the push handle by connecting its segments and securing them with screws.
- Insert the assembled push handle into the backrest slot and secure it with the locking pin.
Step 3: Attach the Sun Canopy and Guardrails
- Attach the sun canopy support to the top of the push handle. Secure it with the provided fasteners.
- Slide the arm guardrails into their respective slots on either side of the seat. Ensure they click into place securely.

Figure 3: The fully assembled Costzon Mercedes Benz Push Car in red, showcasing the adjustable canopy and safety features.
Operating Instructions
3-in-1 Functionality:
- Stroller Mode (18-24 Months): Use with the push handle, sun canopy, and arm guardrails for parental control and child safety.
- Walking Car Mode (24-30 Months): Remove the arm guardrails, but keep the push handle for parental assistance as the child learns to walk and push the car.
- Sliding Car Mode (30-36 Months): Remove both the push handle and sun canopy. The child can now independently ride the car using their feet.
Steering and Control:
- The steering wheel allows the child to control the front wheels.
- When in stroller or walking car mode, the push handle can also be used by an adult to steer the car.
Sound Features:
The steering wheel includes buttons for interactive sounds. Requires 2 x 1.5V AAA batteries (not included).
- Press the horn button for a realistic horn sound.
- Press the engine sound button for engine noises and music.

Figure 4: Close-up of the steering wheel, highlighting the horn and engine sound buttons. Batteries are required for sound functionality.
Storage and Comfort:
- Under-Seat Storage: Lift the seat to access a hidden storage compartment for small toys, snacks, or other items.
- Retractable Foot Pedals: These can be extended to provide foot support for younger children or retracted for older children using the foot-to-floor mode.
- Adjustable Sun Canopy: The canopy can be adjusted to provide shade and can also be easily detached when not needed.

Figure 5: The convenient hidden under-seat storage, perfect for carrying small items.
Maintenance
- Regularly inspect all screws and fasteners to ensure they are tight. Tighten if necessary.
- Clean the car with a damp cloth and mild soap. Do not use abrasive cleaners.
- Store the car in a dry place away from direct sunlight when not in use to prevent material degradation.
- Check wheels periodically for wear and tear.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from steering wheel | Batteries are dead or not installed correctly. | Replace with new 2 x 1.5V AAA batteries. Ensure correct polarity. |
| Push handle feels loose or wobbly | Locking pin not fully engaged or screws are loose. | Ensure the locking pin is fully inserted. Tighten any loose screws on the handle assembly. |
| Canopy does not stay in place | Canopy support not securely attached or adjusted incorrectly. | Re-attach the canopy support firmly. Adjust the canopy to the desired position and ensure it locks. |
Specifications
- Product Dimensions: 33 x 15.5 x 35.5 inches (L x W x H)
- Item Weight: 8.5 pounds
- Recommended Age: 18 months - 3 years
- Weight Capacity: 55 lbs
- Model Number: 639-P
- Country of Origin: China

Figure 6: Detailed product dimensions and recommended age/weight capacity.
Warranty and Support
Costzon products come with a standard manufacturer's warranty. For specific warranty details, returns, or further support, please refer to the warranty card included in your packaging or contact Costzon customer service directly through their official website or the retailer where the product was purchased.
For additional information and product registration, visit the official Costzon store: Costzon Store on Amazon.