Mercedes-Benz Service Codes List AK: Your Ultimate Guide
Mercedes-Benz service codes can seem complex, but understanding them is crucial for proper maintenance and avoiding costly repairs. At CARDIAGTECH.NET, we simplify these codes, providing you with the knowledge to keep your Mercedes-Benz running smoothly. Learn about Mercedes-Benz maintenance schedules, service indicators, and diagnostic codes, and discover how CARDIAGTECH.NET can assist you with top-notch diagnostic tools.
1. Decoding Mercedes-Benz Service Codes
Mercedes-Benz vehicles utilize a service code system to indicate the type and scope of maintenance required. This system, known as Assyst (Active Service System), has evolved over the years, becoming more sophisticated with the introduction of Assyst Plus. The primary goal is to inform the driver and the service technician about the necessary services based on mileage, time, and driving conditions.
1.1. The Evolution of Mercedes-Benz Service Codes
Initially, Mercedes-Benz used a simple ‘A’ and ‘B’ service indicator:
- A Service: Minor service, typically involving an engine oil and filter change, along with a basic vehicle inspection.
- B Service: Major service, including an engine oil and filter change, cabin air filter replacement, and a more comprehensive vehicle inspection.
As technology advanced, Mercedes-Benz introduced Assyst Plus, which takes into account various factors such as driving habits and wear-specific maintenance items. This led to a more detailed service code system.
1.2. Understanding Assyst Plus
Assyst Plus uses a combination of letters and numbers (e.g., A1, B2, C3) to indicate the required service. The letters ‘A’ and ‘B’ still denote minor and major services, respectively, while the numbers indicate additional service items due based on the vehicle’s condition.
Here’s a breakdown:
- Letters (A, B, C, etc.): Indicate the base service level.
- Numbers (1, 2, 3, etc.): Denote additional service items.
- Additional Letters (e.g., AK): Specific maintenance tasks or checks.
1.3. Common Mercedes-Benz Service Codes
Here’s a list of common service codes and their meanings:
| Service Code | Description | Main Tasks |
|---|---|---|
| A | Minor Service | Engine oil and filter change, minor vehicle inspection |
| B | Major Service | Engine oil and filter change, cabin air filter replacement, major vehicle inspection |
| A1 | Minor Service + Additional Item | Engine oil and filter change, minor vehicle inspection, plus a specific additional task (e.g., brake fluid) |
| B1 | Major Service + Additional Item | Engine oil and filter change, cabin air filter replacement, major vehicle inspection, plus a specific task |
| AK | Minor Service + Specific Additional Tasks | Engine oil and filter change, minor vehicle inspection, plus specific tasks like coolant renewal |
Understanding these codes helps vehicle owners anticipate the maintenance needs of their Mercedes-Benz.
2. Decoding Workshop Codes: The Technician’s Perspective
In addition to the display codes, Mercedes-Benz uses workshop codes to provide technicians with detailed instructions on the specific services required. These codes can be accessed through the vehicle’s instrument cluster or diagnostic tools.
2.1. Accessing Workshop Codes
To access the workshop menu on most Mercedes-Benz vehicles with a 12-button steering wheel:
- Turn the ignition to position 1.
- Ensure the overall mileage is displayed.
- Press and hold the call answer button, then press and hold the OK button simultaneously.
This will bring up the workshop menu, displaying the service code and associated workshop code.
2.2. Interpreting Workshop Codes
Workshop codes consist of a combination of letters and numbers (e.g., 505, E0E, 10D0E). Each character corresponds to a specific service item. For example:
- 505: Minor inspection and engine oil and filter change.
- E0E: Major inspection, engine oil and filter change, and brake fluid change.
- 10D0E: Minor inspection, engine oil and filter change, and coolant renewal.
2.3. Common Service Items and Their Codes
Here are some common service items and their corresponding codes:
| Service Item | Code | Description |
|---|---|---|
| Minor Inspection | 1 | A basic check of the vehicle’s vital systems. |
| Major Inspection | 2 | A more thorough inspection covering all major components. |
| Engine Oil and Filter Change | 3 | Replacing the engine oil and oil filter. |
| Brake Fluid Change | 4 | Replacing the brake fluid to ensure optimal braking performance. |
| Combination Filter | 5 | Replacing the combination filter (cabin air filter). |
| Air Filter Replacement | 8 | Replacing the engine air filter to maintain proper airflow. |
| Sunroof Guide Rails | 10 | Cleaning and lubricating the sunroof guide rails. |
| Fuel Filter Replacement | 11 | Replacing the fuel filter to ensure clean fuel delivery. |
| Spark Plug Replacement | 12 | Replacing the spark plugs for optimal engine performance. |
| Engine Coolant Renewal | 13 | Replacing the engine coolant to prevent overheating. |
| Towing Hitch Lubrication | 15 | Lubricating the towing hitch components. |
| Gearbox Oil Change/Filter | 20 | Changing the gearbox oil and filter to maintain transmission health. |
| Cambelt/Waterpump Replacement | 24 | Replacing the cambelt and water pump (if applicable). |
2.4. Real-World Example
Consider a Mercedes-Benz displaying a ‘BS’ service code. By accessing the workshop menu, the technician finds the code ‘1Q60X’. This translates to:
- B Service (Items 2 & 3)
- Panoramic roof mechanism cleaned and regreased (Item 10)
- Coolant renewed (Item 13)
- Gearbox oil/filter change (Item 20)
This detailed breakdown ensures that the technician performs all necessary services, keeping the vehicle in optimal condition.
3. Mercedes-Benz Service Codes List AK: A Comprehensive Overview
Here is a more detailed list of Mercedes-Benz service codes, workshop codes, and service items. Keep in mind that this list is not exhaustive, but it provides a solid foundation for understanding the system.
| Display Code | Workshop Code | Service Items |
|---|---|---|
| A | 505 | 1, 3 |
| A1 | D0D | 1, 3, 4 |
| A2 | ||
| A3 | 550A | 1, 3, 8, 11 (Diesel engine) |
| A3 | 1, 3, 8, 12 (Petrol engine) | |
| A4 | D50J | 1, 3, 8, 10, 11 |
| A5 | ||
| A6 | DD0S | 1, 3, 4, 8, 10, 11 |
| A7 | G50M | 1, 3, 20 |
| A8 | Q50V | 1, 3, 10, 20 |
| A9 | GD0V | 1, 3, 4, 20 |
| A0 | 850D | 1, 3, 10 |
| AC | QD051 | 1, 3, 4, 10, 20 |
| AF | KD001 | 1, 3, 4, 8, 12, 20 |
| AH | 801050E | 1, 3, 13, 24 |
| AG | VD0A1 | 1, 3, 4, 8, 10, 11, 20 |
| AK | 10D0E | 1, 3, 13 |
| AP | 15D0K | |
| B | 606 | 2, 3 |
| B1 | E0E | 2, 3, 4 |
| B2 | 8E0N | 2, 3, 4, 10 |
| B3 | 560B | 2, 3, 8, 11 |
| B4 | B60H | 2, 3, 8, 10, 11 |
| B5 | 5E0K | 2, 3, 4, 8, 11 |
| B5 | 3E0H | 2, 3, 4, 8, 12 |
| B6 | DE0T | 2, 3, 4, 8, 10, 11 |
| B7 | G60N | 2, 3, 20 |
| B7 | GN061 | 2, 3, 15, 20 |
| B8 | Q60W | 2, 3, 10, 20 |
| B9 | GE0W | 2, 3, 4, 20 |
| B0 | 1607 | 2, 3, 8 |
| B0 | 960F | 2, 3, 8, 10 (on a GL63) |
| BD | M60T | 2, 3, 8, 11, 20 |
| BE | V6031 | 2, 3, 8, 10, 11, 20 |
| BF | ||
| BK | 10E0F | 2, 3, 4, 13 |
| BK | 14E0K | 2, 3, 4, 11, 13 (Reader Submitted, W246) |
| BS | 1Q60X | 2, 3, 10, 13, 20 |
3.1. Importance of Checking Service Sheets
It’s crucial to cross-reference these codes with the service sheet specific to your vehicle. These sheets, accessible via Mercedes-Benz WIS (Workshop Information System) or services like Autodata, provide detailed instructions and specifications for each service item. This ensures that all tasks are performed correctly and to the manufacturer’s standards.
4. The Role of Diagnostic Tools
While understanding service codes is valuable, accurate diagnostics often require specialized tools. These tools can read and interpret diagnostic trouble codes (DTCs) and provide insights into the vehicle’s overall health.
4.1. Benefits of Using Diagnostic Tools
- Pinpoint Issues: Quickly identify the root cause of problems.
- Save Time and Money: Avoid unnecessary repairs by targeting the specific issue.
- Ensure Accuracy: Reduce the risk of misdiagnosis and incorrect repairs.
- Enhance Vehicle Performance: Keep your Mercedes-Benz running at its best.
4.2. CARDIAGTECH.NET: Your Partner in Diagnostics
At CARDIAGTECH.NET, we offer a range of high-quality diagnostic tools designed to meet the needs of both professional technicians and DIY enthusiasts. Our tools provide comprehensive diagnostics for Mercedes-Benz vehicles, allowing you to:
- Read and clear diagnostic trouble codes (DTCs).
- Access live data streams.
- Perform advanced coding and programming.
- Reset service indicators.
4.3. Featured Diagnostic Tools at CARDIAGTECH.NET
- Mercedes-Benz Diagnostic Scanner Pro: An advanced tool for comprehensive diagnostics, coding, and programming.
- Handheld OBD2 Scanner for Mercedes-Benz: A user-friendly tool for reading and clearing basic diagnostic codes.
- Wireless Diagnostic Adapter: Connects to your smartphone or tablet for convenient wireless diagnostics.
5. Why Choose CARDIAGTECH.NET for Your Diagnostic Needs?
Choosing the right supplier for your diagnostic tools is essential. Here’s why CARDIAGTECH.NET stands out:
5.1. Quality and Reliability
We source our tools from reputable manufacturers, ensuring they meet the highest standards of quality and reliability. Our products are rigorously tested to provide accurate and consistent results.
5.2. Expert Support
Our team of experienced technicians is available to provide expert support and guidance. Whether you need help choosing the right tool or troubleshooting an issue, we’re here to assist you.
5.3. Competitive Pricing
We offer competitive pricing on all our diagnostic tools, making professional-grade diagnostics accessible to everyone. Plus, we frequently run promotions and discounts to help you save even more.
5.4. Customer Satisfaction
At CARDIAGTECH.NET, customer satisfaction is our top priority. We stand behind our products with a satisfaction guarantee. If you’re not completely satisfied with your purchase, simply return it for a full refund.
6. Step-by-Step Guide: Using Diagnostic Tools with Mercedes-Benz Service Codes
To effectively use diagnostic tools in conjunction with Mercedes-Benz service codes, follow these steps:
6.1. Identify the Service Code
Check the vehicle’s instrument cluster to determine the service code (e.g., A, B, A1, B2, AK).
6.2. Access the Workshop Menu
Use the steering wheel buttons to access the workshop menu and retrieve the workshop code (e.g., 505, E0E, 10D0E).
6.3. Consult the Service Sheet
Refer to the vehicle-specific service sheet (available via WIS or Autodata) to understand the detailed service requirements for the identified codes.
6.4. Connect the Diagnostic Tool
Plug the diagnostic tool into the vehicle’s OBD2 port (typically located under the dashboard).
6.5. Read Diagnostic Trouble Codes (DTCs)
Use the diagnostic tool to scan for and read any diagnostic trouble codes (DTCs) stored in the vehicle’s computer.
6.6. Interpret DTCs
Consult the diagnostic tool’s database or a reliable online resource to interpret the meaning of the DTCs.
6.7. Perform Necessary Repairs
Based on the service sheet, workshop codes, and DTCs, perform the necessary repairs and maintenance tasks.
6.8. Clear DTCs and Reset Service Indicator
After completing the repairs, use the diagnostic tool to clear the DTCs and reset the service indicator.
6.9. Verify Proper Function
Test the vehicle to ensure that all systems are functioning properly and that no warning lights are illuminated.
7. Mercedes-Benz Maintenance Schedules: Keeping Your Car in Top Shape
Following the recommended maintenance schedule is vital to keep your Mercedes-Benz in optimal condition. Regular maintenance can prevent costly repairs and extend the life of your vehicle.
7.1. Key Maintenance Tasks
- Oil Changes: Replace the engine oil and filter every 5,000 to 10,000 miles, depending on driving conditions and oil type.
- Filter Replacements: Replace the air filter, cabin air filter, and fuel filter at the intervals specified in the service schedule.
- Fluid Checks and Top-Ups: Regularly check and top up fluids such as coolant, brake fluid, power steering fluid, and transmission fluid.
- Brake Inspections: Inspect the brake pads, rotors, and calipers for wear and damage.
- Tire Rotations: Rotate the tires every 5,000 to 7,000 miles to ensure even wear.
- Spark Plug Replacement: Replace the spark plugs at the recommended interval to maintain optimal engine performance.
- Timing Belt/Chain Inspection: Inspect the timing belt or chain for wear and replace it if necessary.
7.2. Benefits of Regular Maintenance
- Improved Performance: Regular maintenance keeps your Mercedes-Benz running smoothly and efficiently.
- Extended Vehicle Life: Proper care can extend the life of your vehicle and prevent major breakdowns.
- Enhanced Safety: Regular inspections and maintenance ensure that your vehicle’s safety systems are functioning properly.
- Higher Resale Value: A well-maintained vehicle will fetch a higher price when you decide to sell or trade it in.
8. Common Issues and How to Address Them
Even with regular maintenance, Mercedes-Benz vehicles can experience common issues. Here are some problems and how to address them:
8.1. Oil Leaks
Oil leaks can occur from various locations, such as the valve cover gasket, oil pan gasket, or rear main seal. Addressing leaks promptly can prevent engine damage.
Solution: Replace worn gaskets and seals. Use high-quality parts and follow the manufacturer’s instructions.
8.2. Transmission Problems
Transmission issues can range from rough shifting to complete failure. Regular transmission fluid changes can help prevent these problems.
Solution: Perform regular transmission fluid and filter changes. If problems persist, seek professional diagnosis and repair.
8.3. Suspension Issues
Suspension problems can include worn shocks, struts, or control arm bushings. These issues can affect ride quality and handling.
Solution: Replace worn suspension components with high-quality parts. Ensure proper alignment after repairs.
8.4. Electrical Issues
Electrical problems can range from faulty sensors to wiring issues. Diagnostic tools can help pinpoint the source of these problems.
Solution: Use diagnostic tools to identify the faulty component. Repair or replace the component as needed.
8.5. Brake Problems
Brake problems can include worn brake pads, warped rotors, or failing calipers. Addressing brake issues promptly is crucial for safety.
Solution: Replace worn brake pads and rotors. Inspect and repair or replace calipers as needed.
9. Staying Updated with the Latest Technology
The automotive industry is constantly evolving, with new technologies and systems being introduced regularly. Staying updated with these advancements is essential for technicians and vehicle owners alike.
9.1. Training and Education
Invest in ongoing training and education to stay current with the latest technologies and diagnostic techniques.
9.2. Online Resources
Utilize online resources such as forums, technical publications, and manufacturer websites to stay informed about new developments.
9.3. Networking
Connect with other technicians and industry professionals to share knowledge and experiences.
9.4. Subscriptions
Consider subscribing to technical information services that provide access to the latest service bulletins, repair procedures, and diagnostic information.
10. Optimizing Performance and Longevity
To maximize the performance and longevity of your Mercedes-Benz, follow these tips:
10.1. Use Quality Parts
Always use high-quality parts that meet or exceed the manufacturer’s specifications.
10.2. Follow Maintenance Schedules
Adhere to the recommended maintenance schedules to ensure that all necessary services are performed on time.
10.3. Drive Responsibly
Avoid aggressive driving habits that can put unnecessary strain on the engine, transmission, and other components.
10.4. Address Issues Promptly
Address any issues or problems as soon as they arise to prevent them from escalating into more serious and costly repairs.
10.5. Seek Professional Advice
Consult with a qualified Mercedes-Benz technician for advice and guidance on maintaining your vehicle.
11. Mercedes-Benz Service Codes and Digital Service Book (DSB)
The introduction of the Mercedes-Benz Digital Service Book (DSB) around 2008 coincided with the more complex service code system. The DSB is an online record of your vehicle’s service history, accessible to authorized Mercedes-Benz service centers.
11.1. Benefits of the Digital Service Book
- Accurate Records: DSB ensures that all service records are accurately maintained and accessible.
- Transparency: Provides a transparent service history, which can increase the vehicle’s resale value.
- Convenience: Eliminates the need to keep paper records of service history.
- Accessibility: Authorized service centers can access the DSB to view the vehicle’s service history, even if you don’t have the paper records.
11.2. How the DSB Works
When your Mercedes-Benz is serviced at an authorized service center, the service details are recorded in the DSB. This includes the service code, workshop code, service items performed, and the date of service.
11.3. Ensuring Your Service History is Recorded
To ensure that your service history is accurately recorded in the DSB, always have your Mercedes-Benz serviced at an authorized service center. This way, you can be confident that the service details will be properly documented.
12. The Impact of Technology on Mercedes-Benz Service
Modern Mercedes-Benz vehicles are equipped with advanced technology that enhances performance, safety, and convenience. However, this technology also requires specialized knowledge and tools for proper service and repair.
12.1. Advanced Driver Assistance Systems (ADAS)
ADAS features such as adaptive cruise control, lane departure warning, and automatic emergency braking require precise calibration after certain repairs or maintenance procedures.
12.2. Electric and Hybrid Systems
The increasing popularity of electric and hybrid vehicles has introduced new service requirements related to battery maintenance, high-voltage systems, and regenerative braking.
12.3. Complex Electronics
Modern Mercedes-Benz vehicles are equipped with a vast array of electronic control units (ECUs) that manage various systems. Diagnosing and repairing electronic issues require specialized diagnostic tools and expertise.
12.4. Over-the-Air Updates
Some Mercedes-Benz vehicles can receive over-the-air (OTA) software updates that can improve performance, add new features, or address security vulnerabilities.
13. Essential Tools and Equipment for Mercedes-Benz Service
Having the right tools and equipment is essential for performing accurate and efficient Mercedes-Benz service and repair.
13.1. Diagnostic Tools
Diagnostic tools are used to read diagnostic trouble codes (DTCs), access live data, and perform advanced coding and programming.
13.2. Scan Tools
Scan tools are used to scan the vehicle’s computer for diagnostic information and perform basic functions such as clearing DTCs and resetting service indicators.
13.3. Multimeters
Multimeters are used to measure voltage, current, and resistance in electrical circuits.
13.4. Torque Wrenches
Torque wrenches are used to tighten fasteners to the specified torque to prevent damage and ensure proper assembly.
13.5. Specialty Tools
Specialty tools are designed for specific tasks, such as removing or installing certain components or performing specialized procedures.
14. Addressing Customer Challenges with CARDIAGTECH.NET
Understanding the challenges faced by our customers is crucial to providing the best possible service. At CARDIAGTECH.NET, we recognize the difficulties technicians and shop owners encounter, such as physical demands, constant learning, time constraints, and competition.
14.1. Addressing Physical Demands
We offer tools and equipment designed to reduce physical strain and improve ergonomics, such as lightweight diagnostic tools and ergonomic hand tools.
14.2. Continuous Learning
We provide access to training resources, technical information, and expert support to help technicians stay current with the latest technologies and techniques.
14.3. Time Constraints
Our efficient diagnostic tools and streamlined processes help technicians quickly identify and resolve issues, reducing repair times and improving productivity.
14.4. Competition
We offer competitive pricing, high-quality products, and exceptional customer service to help our customers stand out from the competition and attract more business.
15. Call to Action: Partner with CARDIAGTECH.NET Today
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FAQ: Frequently Asked Questions About Mercedes-Benz Service Codes
- What are Mercedes-Benz service codes?
Mercedes-Benz service codes are alphanumeric indicators used to identify the type and scope of maintenance required for a vehicle. - How do I find the service code on my Mercedes-Benz?
The service code is displayed on the vehicle’s instrument cluster. - What is the difference between ‘A’ and ‘B’ service?
‘A’ service is a minor service, while ‘B’ service is a major service. - What is Assyst Plus?
Assyst Plus is an advanced service system that takes into account various factors to determine the required maintenance. - How do I access the workshop menu?
The workshop menu can be accessed by pressing and holding the call answer button and the OK button simultaneously while the ignition is in position 1. - What are workshop codes?
Workshop codes are detailed codes used by technicians to identify specific service items. - Where can I find the service sheet for my vehicle?
Service sheets can be found in the Mercedes-Benz WIS (Workshop Information System) or services like Autodata. - What is the Digital Service Book (DSB)?
The Digital Service Book is an online record of your vehicle’s service history. - Why should I use diagnostic tools?
Diagnostic tools can help pinpoint issues, save time and money, ensure accuracy, and enhance vehicle performance. - How can CARDIAGTECH.NET help me with my diagnostic needs?
CARDIAGTECH.NET offers a range of high-quality diagnostic tools and expert support to meet your diagnostic needs.