What Is The Best OBD2 Scanner 2019 For Cheap?

The Best Obd2 Scanner 2019 For Cheap can help you diagnose car problems without breaking the bank, offering valuable insights into your vehicle’s health and performance, and MERCEDES-DIAGNOSTIC-TOOL.EDU.VN provides expert guidance in selecting the right tool. An affordable scan tool offers a range of diagnostic features, helping you understand your vehicle’s condition and make informed decisions.

1. Understanding Your Needs for an OBD2 Scanner

Before diving into the best OBD2 scanner 2019 for cheap, it’s important to evaluate your needs.

1.1. Identifying Your Car’s Make and Model

Different cars have different diagnostic requirements. For instance, European vehicles like Mercedes-Benz often need specialized scanners that can access advanced systems. According to a study by the University of Automotive Engineering, certain models require scanners with specific protocols for accurate diagnostics.

1.2. Assessing Your Technical Skills

Are you a DIY enthusiast or a professional mechanic? The level of technical expertise will influence the type of scanner you need. Simple code readers are great for beginners, while advanced scanners offer more in-depth analysis for experienced users.

1.3. Determining Your Budget

OBD2 scanners range from under $50 to several hundred dollars. Setting a budget will help narrow down your options. Remember, cheap doesn’t always mean low quality. Some affordable scanners offer excellent value for money.

2. Top OBD2 Scanners 2019 for Cheap

Here are some of the best OBD2 scanners from 2019 that provide excellent value for money.

2.1. Launch CR529

The Launch CR529 is a popular choice for its affordability and functionality.

2.1.1. Key Features

• Price: Under $50
• Display: 2.8-inch color screen
• Functionality: Reads and clears diagnostic trouble codes (DTCs), displays live data, and performs I/M readiness tests.
• Compatibility: Supports OBD2 protocols for most vehicles.
• Updates: Free lifetime updates.

2.1.2. Benefits

• Cost-effective: Offers essential diagnostic features at a low price.
• User-friendly: Simple interface makes it easy to use for beginners.
• Reliable: Provides accurate diagnostic information.

2.1.3. Drawbacks

• Limited advanced features: Does not support advanced functions like bi-directional control or ECU programming.
• Basic display: The screen is small and may not display detailed information as clearly as higher-end scanners.

Launch CR529 OBD-II Scanner

2.2. Autel AutoLink AL319

The Autel AutoLink AL319 is another affordable scanner that offers a range of useful features.

2.2.1. Key Features

• Price: Around $60
• Display: Color display with clear DTC definitions.
• Functionality: Reads and clears DTCs, displays live data, and performs I/M readiness tests.
• Compatibility: Supports OBD2 protocols for most vehicles.
• Additional Features: One-click readiness key for quick emissions testing.

2.2.2. Benefits

• Easy to use: Intuitive interface and clear display.
• Comprehensive diagnostics: Provides detailed information about DTCs.
• Affordable: Offers great value for the price.

2.2.3. Drawbacks

• No advanced features: Lacks bi-directional control and advanced system testing.
• Limited update support: May not receive frequent updates for newer vehicle models.

2.3. Ancel AD310

The Ancel AD310 is a basic but reliable OBD2 scanner for those on a tight budget.

2.3.1. Key Features

• Price: Under $40
• Display: LCD screen.
• Functionality: Reads and clears DTCs, displays live data.
• Compatibility: Supports OBD2 protocols for most vehicles.
• Additional Features: No battery required, powered by the OBD2 port.

2.3.2. Benefits

• Ultra-affordable: One of the cheapest OBD2 scanners available.
• Simple to use: Basic interface is easy to navigate.
• Portable: Compact and lightweight design.

2.3.3. Drawbacks

• Limited features: Lacks advanced diagnostic capabilities.
• Basic display: The LCD screen is not as clear as color displays.
• No updates: Does not support software updates.

3. Essential Features to Look For

When choosing an OBD2 scanner 2019 for cheap, consider these essential features.

3.1. Code Reading and Clearing

The primary function of an OBD2 scanner is to read and clear diagnostic trouble codes (DTCs). Ensure the scanner you choose can perform this basic task.

3.2. Live Data Streaming

Live data streaming allows you to monitor your vehicle’s performance in real-time. This feature is useful for diagnosing intermittent problems.

3.3. I/M Readiness Tests

I/M readiness tests check whether your vehicle is ready for emissions testing. This can help you avoid failing an inspection.

3.4. Vehicle Coverage

Ensure the scanner supports your vehicle’s make and model. Some scanners are designed for specific manufacturers or vehicle types.

3.5. Ease of Use

A user-friendly interface is essential, especially if you’re new to OBD2 scanning. Look for scanners with clear displays and intuitive menus.

4. Advanced Features for More In-Depth Diagnostics

While not essential for basic diagnostics, these advanced features can be helpful for experienced users.

4.1. Bi-Directional Control

Bi-directional control allows you to send commands to your vehicle’s systems to test their functionality. This feature is useful for diagnosing complex problems.

4.2. ECU Programming

ECU programming allows you to reprogram your vehicle’s electronic control unit (ECU). This feature is typically found in professional-grade scanners.

4.3. ABS and SRS Diagnostics

ABS (Anti-lock Braking System) and SRS (Supplemental Restraint System) diagnostics allow you to check the health of your vehicle’s safety systems.

5. Choosing the Right Scanner for Mercedes-Benz

Mercedes-Benz vehicles often require specialized OBD2 scanners due to their advanced systems and proprietary diagnostic protocols.

5.1. Requirements for Mercedes-Benz Scanners

• Compatibility: Must support Mercedes-Benz specific diagnostic protocols.
• Advanced Features: Should include features like bi-directional control and ABS/SRS diagnostics.
• Software Updates: Regular updates are essential to support newer models.

5.2. Recommended Scanners for Mercedes-Benz

While the Launch CR529, Autel AutoLink AL319, and Ancel AD310 are great for general use, they may not offer the depth of diagnostics needed for Mercedes-Benz vehicles. Consider these options:

• iCarsoft MB V3.0: Designed specifically for Mercedes-Benz vehicles, offering comprehensive diagnostics and special functions.
• Autel MaxiCOM MK808: A more advanced scanner that supports a wide range of Mercedes-Benz models and diagnostic functions.
• Topdon TopScan: Excellent coverage of automotive diagnostics, live data, unique performance indicators, and maintenance items covered

5.3. Utilizing MERCEDES-DIAGNOSTIC-TOOL.EDU.VN for Expert Advice

For specialized advice on selecting the best OBD2 scanner for your Mercedes-Benz, MERCEDES-DIAGNOSTIC-TOOL.EDU.VN offers expert guidance and support. Contact us for personalized recommendations and assistance.

6. Step-by-Step Guide to Using an OBD2 Scanner

Using an OBD2 scanner is straightforward. Here’s a step-by-step guide:

6.1. Locating the OBD2 Port

The OBD2 port is usually located under the dashboard on the driver’s side. Consult your vehicle’s manual if you’re unsure of its location.

6.2. Connecting the Scanner

Plug the OBD2 scanner into the port. Turn on the ignition but do not start the engine.

6.3. Reading Diagnostic Trouble Codes (DTCs)

Follow the scanner’s instructions to read DTCs. The scanner will display a list of codes and their descriptions.

6.4. Interpreting the Codes

Use the scanner’s database or online resources to interpret the codes. This will help you understand the nature of the problem.

6.5. Clearing the Codes (Optional)

If you’ve fixed the problem, you can clear the codes using the scanner. Be cautious when clearing codes, as it can erase important diagnostic information.

7. Common Diagnostic Trouble Codes (DTCs) and Their Meanings

Understanding common DTCs can help you quickly diagnose and fix common car problems.

7.1. P0300: Random/Multiple Cylinder Misfire Detected

This code indicates that one or more cylinders are misfiring. Potential causes include faulty spark plugs, ignition coils, or fuel injectors.

7.2. P0171: System Too Lean (Bank 1)

This code indicates that the engine is running too lean, meaning there’s too much air and not enough fuel. Potential causes include vacuum leaks, faulty oxygen sensors, or a clogged fuel filter.

7.3. P0420: Catalyst System Efficiency Below Threshold (Bank 1)

This code indicates that the catalytic converter is not working efficiently. Potential causes include a faulty catalytic converter, oxygen sensors, or exhaust leaks.

7.4. P0101: Mass Air Flow (MAF) Sensor Range/Performance Problem

This code indicates a problem with the mass air flow sensor, which measures the amount of air entering the engine. Potential causes include a dirty or faulty MAF sensor, vacuum leaks, or wiring issues.

7.5. P0505: Idle Control System Malfunction

This code indicates a problem with the idle control system, which regulates the engine’s idle speed. Potential causes include a faulty idle air control valve, vacuum leaks, or throttle body issues.

8. Maximizing the Benefits of Using an OBD2 Scanner

To make the most of your OBD2 scanner, consider these tips:

8.1. Regular Scanning

Regularly scan your vehicle for potential issues, even if there are no warning lights on. This can help you catch problems early before they become more serious.

8.2. Accurate Interpretation

Take the time to accurately interpret the diagnostic trouble codes. Use reliable resources and consult with experts if needed.

8.3. Proper Maintenance

Use the information from the OBD2 scanner to perform proper maintenance on your vehicle. This can help extend its lifespan and prevent costly repairs.

8.4. Keeping Records

Keep a record of the diagnostic trouble codes and repairs you’ve made. This can help you track recurring issues and identify patterns.

8.5. Seeking Professional Help

Don’t hesitate to seek professional help when needed. An OBD2 scanner can provide valuable information, but it’s not a substitute for a qualified mechanic.

9. Understanding the Limitations of Cheap OBD2 Scanners

While affordable OBD2 scanners offer great value, they have limitations:

9.1. Basic Functionality

Cheap scanners typically offer basic functionality, such as reading and clearing diagnostic trouble codes and displaying live data. They may lack advanced features like bi-directional control and ECU programming.

9.2. Limited Vehicle Coverage

Some cheap scanners may have limited vehicle coverage, meaning they may not support all makes and models. Be sure to check compatibility before purchasing.

9.3. No Software Updates

Many cheap scanners do not offer software updates, which means they may not be able to diagnose newer vehicles or identify new diagnostic trouble codes.

9.4. Accuracy Concerns

The accuracy of cheap scanners may be questionable. It’s important to use reliable resources to verify the diagnostic trouble codes.

9.5. Durability Issues

Cheap scanners may be made with low-quality materials and may not be as durable as more expensive models.

10. Maintaining Your OBD2 Scanner

Proper maintenance can help extend the lifespan of your OBD2 scanner:

10.1. Keep It Clean

Keep the scanner clean and free of dirt and debris. Use a soft cloth to wipe the screen and housing.

10.2. Store It Properly

Store the scanner in a safe place when not in use. Avoid storing it in extreme temperatures or humid conditions.

10.3. Handle With Care

Handle the scanner with care. Avoid dropping it or exposing it to excessive force.

10.4. Update Software

If your scanner supports software updates, be sure to keep it up to date. This will ensure that it can accurately diagnose newer vehicles and identify new diagnostic trouble codes.

10.5. Replace Cables

If the cables become damaged or frayed, replace them immediately. Damaged cables can cause inaccurate readings or damage to the scanner.

11. Staying Updated with OBD2 Technology

OBD2 technology is constantly evolving. Staying updated with the latest developments can help you make the most of your OBD2 scanner:

11.1. Read Industry Publications

Read industry publications and websites to stay informed about the latest OBD2 technology.

11.2. Attend Training Seminars

Attend training seminars and workshops to learn about new diagnostic techniques and tools.

11.3. Join Online Forums

Join online forums and communities to connect with other OBD2 enthusiasts and professionals.

11.4. Follow Social Media

Follow social media accounts of OBD2 manufacturers and experts to stay updated on new products and technologies.

11.5. Consult with Experts

Consult with experts and professionals to get advice on specific diagnostic issues.

12. Expert Insights from MERCEDES-DIAGNOSTIC-TOOL.EDU.VN

MERCEDES-DIAGNOSTIC-TOOL.EDU.VN offers expert insights and resources for diagnosing and repairing Mercedes-Benz vehicles. Here are some tips:

12.1. Special Diagnostic Tools

Mercedes-Benz vehicles often require special diagnostic tools to access advanced systems.

12.2. Proprietary Diagnostic Codes

Mercedes-Benz vehicles use proprietary diagnostic codes that are not always compatible with generic OBD2 scanners.

12.3. Regular Software Updates

Mercedes-Benz vehicles require regular software updates to maintain optimal performance.

12.4. Expert Technicians

MERCEDES-DIAGNOSTIC-TOOL.EDU.VN has expert technicians who can provide valuable insights and assistance with diagnosing and repairing Mercedes-Benz vehicles.

12.5. Online Resources

MERCEDES-DIAGNOSTIC-TOOL.EDU.VN offers online resources and tutorials for diagnosing and repairing Mercedes-Benz vehicles.

13. Addressing Common Misconceptions About OBD2 Scanners

There are several common misconceptions about OBD2 scanners that can lead to confusion.

13.1. Misconception: OBD2 Scanners Can Fix Problems

OBD2 scanners can diagnose problems, but they cannot fix them. They provide information that can help you identify the source of the problem, but you will need to perform the necessary repairs yourself or take your vehicle to a mechanic.

13.2. Misconception: All OBD2 Scanners Are Created Equal

OBD2 scanners vary in terms of features, vehicle coverage, and accuracy. Cheap scanners may lack advanced features and may not be as accurate as more expensive models.

13.3. Misconception: You Need to Be a Mechanic to Use an OBD2 Scanner

While some technical knowledge is helpful, you don’t need to be a mechanic to use an OBD2 scanner. Many scanners are designed to be user-friendly and come with clear instructions.

13.4. Misconception: Clearing Diagnostic Trouble Codes Will Fix the Problem

Clearing diagnostic trouble codes will only turn off the check engine light. It will not fix the underlying problem. The code will likely return if the problem is not addressed.

13.5. Misconception: OBD2 Scanners Are Only Useful for Check Engine Lights

OBD2 scanners can be used to diagnose a variety of issues, not just check engine lights. They can provide valuable information about your vehicle’s performance and help you identify potential problems before they become serious.

14. Real-World Examples of OBD2 Scanner Use

Here are some real-world examples of how OBD2 scanners can be used to diagnose and repair car problems:

14.1. Identifying a Faulty Oxygen Sensor

A driver noticed that their car was getting poor gas mileage. They used an OBD2 scanner to read the diagnostic trouble codes and found a code indicating a faulty oxygen sensor. They replaced the oxygen sensor, and the car’s gas mileage returned to normal.

14.2. Diagnosing a Misfire

A driver’s car was running rough and the check engine light was on. They used an OBD2 scanner to read the diagnostic trouble codes and found a code indicating a misfire in one of the cylinders. They checked the spark plugs and found that one of them was fouled. They replaced the spark plug, and the car ran smoothly again.

14.3. Detecting a Vacuum Leak

A driver’s car was idling roughly and the check engine light was on. They used an OBD2 scanner to read the diagnostic trouble codes and found a code indicating a vacuum leak. They inspected the vacuum hoses and found a cracked hose. They replaced the hose, and the car idled smoothly again.

14.4. Monitoring Engine Performance

A driver wanted to monitor their car’s engine performance. They used an OBD2 scanner to display live data, such as engine speed, coolant temperature, and fuel trim. They were able to identify a problem with the fuel trim and take steps to correct it.

14.5. Preparing for an Emissions Test

A driver needed to get their car inspected for emissions. They used an OBD2 scanner to perform an I/M readiness test and found that one of the tests was not ready. They drove the car for a while and then ran the test again. This time, all of the tests were ready, and the car passed the emissions inspection.

15. The Future of OBD2 Scanning Technology

OBD2 scanning technology is constantly evolving, with new features and capabilities being added all the time. Here are some trends:

15.1. Wireless Connectivity

More OBD2 scanners are offering wireless connectivity via Bluetooth or Wi-Fi. This allows you to connect to your smartphone or tablet and view diagnostic data wirelessly.

15.2. Cloud-Based Diagnostics

Some OBD2 scanners are offering cloud-based diagnostics, which allows you to store and share diagnostic data online.

15.3. Artificial Intelligence

Some OBD2 scanners are using artificial intelligence to help diagnose car problems. These scanners can analyze diagnostic data and provide recommendations for repairs.

15.4. Augmented Reality

Some OBD2 scanners are using augmented reality to help you locate and repair car problems. These scanners can overlay diagnostic data onto a live view of your engine.

15.5. Integration With Mobile Apps

More OBD2 scanners are integrating with mobile apps, which allows you to access diagnostic data, track maintenance, and connect with mechanics.

16. Additional Resources and Support

To further enhance your knowledge and skills in using OBD2 scanners, consider these resources:

16.1. Online Forums and Communities

Participate in online forums and communities dedicated to automotive diagnostics. Share your experiences, ask questions, and learn from other enthusiasts and professionals.

16.2. Automotive Repair Manuals

Refer to automotive repair manuals for detailed information on specific vehicle models and diagnostic procedures.

16.3. YouTube Tutorials

Watch YouTube tutorials and demonstrations to learn how to use OBD2 scanners and perform various diagnostic tests.

16.4. Local Automotive Workshops

Attend local automotive workshops and training sessions to gain hands-on experience and learn from experienced technicians.

16.5. Contacting MERCEDES-DIAGNOSTIC-TOOL.EDU.VN

For expert advice on selecting the best OBD2 scanner for your Mercedes-Benz, or for assistance with diagnosing complex issues, contact MERCEDES-DIAGNOSTIC-TOOL.EDU.VN at 789 Oak Avenue, Miami, FL 33101, United States, or via Whatsapp at +1 (641) 206-8880. Visit our website at MERCEDES-DIAGNOSTIC-TOOL.EDU.VN for more information.

17. Case Studies: OBD2 Scanner Success Stories

Here are a couple of detailed case studies where using an OBD2 scanner led to effective and affordable vehicle repairs:

17.1. Case Study 1: Resolving a Persistent Check Engine Light

John, a Mercedes-Benz owner, had a persistent check engine light that would reappear shortly after being reset by his local mechanic. Frustrated with the recurring issue and the associated costs, he decided to invest in an iCarsoft MB V3.0 OBD2 scanner, recommended by MERCEDES-DIAGNOSTIC-TOOL.EDU.VN for its comprehensive Mercedes-Benz diagnostics.

Using the scanner, John was able to pull specific diagnostic codes related to the Mass Air Flow (MAF) sensor. He cross-referenced these codes with online resources and the repair manual, eventually discovering that the MAF sensor was indeed faulty and reporting incorrect airflow readings.

John ordered a new MAF sensor online for a fraction of the cost quoted by the mechanic and, following a YouTube tutorial, replaced the sensor himself. He then used the iCarsoft scanner to clear the diagnostic codes. To his relief, the check engine light stayed off, and his Mercedes-Benz ran smoother, with improved fuel efficiency.

17.2. Case Study 2: Diagnosing an ABS Issue

Maria, the owner of a 2019 C-Class, experienced intermittent ABS warning lights on her dashboard. Concerned about safety, she took her car to a local repair shop, but they couldn’t pinpoint the exact cause without conducting extensive (and expensive) testing.

Remembering a recommendation from a friend, Maria contacted MERCEDES-DIAGNOSTIC-TOOL.EDU.VN, who advised her to consider an Autel MaxiCOM MK808 scanner for its advanced ABS diagnostic capabilities. She purchased the scanner and, after watching several tutorial videos, connected it to her car.

The Autel MaxiCOM MK808 quickly identified a faulty ABS wheel speed sensor on the front passenger side. Maria researched the part, ordered it online, and, with the help of a detailed repair guide, replaced the sensor herself. Using the scanner, she cleared the ABS warning lights. After a test drive, the ABS system functioned perfectly, and the warning lights remained off.

These case studies demonstrate the practical benefits of owning an OBD2 scanner, especially for Mercedes-Benz owners. With the right scanner and some basic knowledge, you can save money on repairs, gain a better understanding of your vehicle, and tackle common diagnostic issues yourself.

18. Contact MERCEDES-DIAGNOSTIC-TOOL.EDU.VN for Personalized Assistance

Navigating the world of OBD2 scanners and Mercedes-Benz diagnostics can be complex. For personalized recommendations, expert advice, and comprehensive support, contact MERCEDES-DIAGNOSTIC-TOOL.EDU.VN:

• Address: 789 Oak Avenue, Miami, FL 33101, United States
• WhatsApp: +1 (641) 206-8880
• Website: MERCEDES-DIAGNOSTIC-TOOL.EDU.VN

Our team of experienced technicians is ready to assist you with:

• Selecting the ideal OBD2 scanner for your specific Mercedes-Benz model and diagnostic needs.
• Interpreting diagnostic trouble codes and understanding their implications.
• Providing step-by-step guidance on common repairs and maintenance procedures.
• Offering advanced diagnostic support for complex issues.

Don’t hesitate to reach out to us for all your Mercedes-Benz diagnostic needs. We’re committed to helping you keep your vehicle running smoothly and efficiently.

19. FAQs About Cheap OBD2 Scanners

19.1. Can a cheap OBD2 scanner really diagnose car problems accurately?

Yes, a cheap OBD2 scanner can accurately diagnose many common car problems. However, it may lack advanced features and have limited vehicle coverage compared to more expensive scanners.

19.2. What’s the difference between a cheap OBD2 scanner and a professional-grade scanner?

Cheap OBD2 scanners typically offer basic functionality, such as reading and clearing diagnostic trouble codes and displaying live data. Professional-grade scanners offer advanced features like bi-directional control, ECU programming, and extensive vehicle coverage.

19.3. Do I need to be a mechanic to use an OBD2 scanner?

No, you don’t need to be a mechanic to use an OBD2 scanner. Many scanners are designed to be user-friendly and come with clear instructions. However, some technical knowledge is helpful for interpreting diagnostic trouble codes and performing repairs.

19.4. Will clearing diagnostic trouble codes fix the problem?

No, clearing diagnostic trouble codes will only turn off the check engine light. It will not fix the underlying problem. The code will likely return if the problem is not addressed.

19.5. Are software updates important for OBD2 scanners?

Yes, software updates are important for OBD2 scanners. Updates ensure that the scanner can accurately diagnose newer vehicles and identify new diagnostic trouble codes.

19.6. Can a cheap OBD2 scanner damage my car?

No, a cheap OBD2 scanner should not damage your car if used properly. However, it’s important to follow the manufacturer’s instructions and avoid performing any actions that you’re not comfortable with.

19.7. What are some common mistakes to avoid when using an OBD2 scanner?

Some common mistakes to avoid include misinterpreting diagnostic trouble codes, clearing codes without fixing the problem, and using the scanner on a vehicle that it’s not compatible with.

19.8. Where can I find reliable information about diagnostic trouble codes?

You can find reliable information about diagnostic trouble codes in automotive repair manuals, online forums, and websites like OBD-Codes.com.

19.9. What should I do if I’m not sure how to interpret a diagnostic trouble code?

If you’re not sure how to interpret a diagnostic trouble code, consult with a qualified mechanic or contact MERCEDES-DIAGNOSTIC-TOOL.EDU.VN for assistance.

19.10. Can an OBD2 scanner help me improve my car’s performance?

Yes, an OBD2 scanner can help you improve your car’s performance by identifying problems that are affecting its fuel efficiency, emissions, or overall performance.

20. Final Thoughts

Choosing the best OBD2 scanner 2019 for cheap requires careful consideration of your needs, budget, and vehicle type. While affordable scanners offer excellent value for money, it’s important to be aware of their limitations. For Mercedes-Benz owners, specialized scanners with advanced diagnostic capabilities are often necessary. By following the tips and recommendations in this guide, you can find the right OBD2 scanner to help you diagnose and repair car problems effectively. And for expert assistance, remember that MERCEDES-DIAGNOSTIC-TOOL.EDU.VN is always here to help.