
Curious about the Mercedes B6 service? It’s a crucial maintenance milestone designed to keep your luxury vehicle performing at its best. Typically required around 120,000 miles or six years, this service involves essential tasks like spark plug and air filter replacements, oil and brake fluid changes, and thorough inspections to ensure optimal safety and efficiency.
Beyond preserving your Mercedes’ premium performance, the B6 service also enhances safety and boosts resale value. With costs ranging from $700 to $1,500, the investment is well justified for long-term reliability. This article also explains how to reset your B6 service reminder and what factors affect costs.
Understanding Mercedes B6 Service
Mercedes B6 Service is a crucial maintenance interval in the Mercedes-Benz Flexible Service System (FSS), which schedules services based on mileage, time, and driving conditions. This service ensures your vehicle stays in optimal condition by addressing essential maintenance needs.
The specific tasks in Service B6 may vary depending on whether your Mercedes runs on diesel or gasoline. However, it always includes the standard “B” service requirements. Below, we’ll explore the common maintenance tasks and the estimated cost of this service.
Mercedes B6 Service Checklist
Service B6 is a detailed maintenance service designed to keep your Mercedes-Benz in top condition. Below is a checklist of the essential tasks performed during this service to ensure optimal performance and longevity.
| Service | Standard B Service | B6-Specific Service |
| Oil Filter Change | X | |
| Check Tire Pressure | X | |
| Air Filter Replacement | X | |
| Cabin Air Filter Replacement | X | |
| Synthetic Oil Change | X | |
| Spark Plug Change | X | |
| Check Fluid Levels | X | |
| Maintenance Service Counter Reset | X | |
| Brake Fluid Change | X | |
| Clean Sunroof | X | |
| Brake Components Inspection | X |
What’s Included in Mercedes B6 Maintenance?
Service B6 is a vital part of the Mercedes-Benz maintenance schedule, ensuring your vehicle remains in top condition. The following services are included in this maintenance package:
- Spark Plug Replacement: Replacing old spark plugs ensures smooth ignition, improved fuel efficiency, and optimal engine performance.
- Air Filter Replacement: A new air filter enhances airflow to the engine, boosting fuel efficiency and overall engine performance.
- Engine Oil Change: Replacing old oil improves lubrication, reduces friction, and protects the engine, ensuring better performance and longevity.
- Brake Fluid Replacement: Fresh brake fluid enhances braking performance by preventing moisture buildup, ensuring strong and responsive brakes.
- Fluid Level Inspection: Technicians check and top off all essential fluids (coolant, power steering, etc.) to maintain optimal vehicle performance.
- Sunroof Maintenance: Cleaning and lubricating the sunroof mechanism ensures smooth, leak-free operation and prevents friction from debris buildup.
- Brake Inspection: Detailed inspection of brake components (pads, calipers, rotors) ensures safe, reliable braking performance.
- Oil Filter Replacement: Installing a new oil filter removes debris from the oil, improving engine performance and extending its lifespan.
- Tire Pressure Check: Inspecting and adjusting tire pressure enhances safety, fuel efficiency, and tire longevity for a smoother driving experience.
When Is the Right Time for a Mercedes B6 Service?
You should schedule a B6 service when your Mercedes reaches around 120,000 miles, typically after six years of ownership. However, if your previous A6 or A5 service was done on time, you’ll need to book the B6 service after one year.
If you’re unsure whether it’s time for maintenance, your Mercedes will alert you with dashboard messages like:
- B6 Service
- Due B6 Service
- B6 Service Due Soon
- Service Code B6
- Overdue B6 in 3 Days
These reminders help you stay on top of your vehicle’s maintenance schedule.
How Much Is Service B6 Mercedes Cost?
After understanding the details of Service B6, you’re probably wondering about the cost.
Price Range: $700 – $1500
Which factors affect the Service B6 Mercedes Cost?
- Location: Costs may differ between countries like the US and UK.
- Car Model: Some models require more expensive parts or labor.
- Service Provider: Mercedes dealerships often charge more than independent garages, where you might save some money.
To get the best deal, consider researching local service centers or asking for recommendations from a Mercedes dealer. A trusted, qualified mechanic can also provide quality service at a more affordable price.
What Are the Costs for the Services Included in the B6 Maintenance?
The B6 maintenance service includes a variety of crucial tasks to ensure your vehicle remains in top condition. These services cover everything from system diagnostics to fluid changes and essential inspections. Here’s a detailed look at the costs associated with these services:
| S. No | Service | Cost |
| 1 | Brake Inspection and repair pads | $50-$120 |
| 2 | Exhaust System Inspection | $40-$80 |
| 3 | Suspension plus alignment | $60-$120 |
| 4 | Tire rotation | $40-$80 |
| 5 | Battery Maintenance | $30-$60 |
| 6 | Air Filter | $40-$80 |
| 7 | Electronic system diagnosis | $50-$100 |
| 8 | Wiper Blade | $30-$40 |
| 9 | Fluid Change package | $20-$50 |
| 10 | Latest Software installation | $30-$70 |
| 11 | Cabin Filter | $40-$80 |
| 12 | Engine Oil and Engine Filter | $150-$200 |
Air filter changes can help prevent issues caused by a dirty air filter, while services like fluid changes also play a critical role in keeping the car cooling system working efficiently.
What is the Cost Difference Between Mercedes Service A and Service B?
When maintaining a Mercedes, Service A and Service B are essential milestones to ensure your vehicle runs smoothly. These services cover different sets of maintenance tasks, with Service B typically being more comprehensive than Service A. Here’s a breakdown of the costs for both services, which can vary based on location and model.
| Mercedes Service Type | Cost Range | Additional Tasks Included |
| Service A | $200 – $300 | Basic maintenance (e.g., oil change, tire inspection) |
| Service B | $380 – $700 | Additional tasks (e.g., brake fluid replacement, cabin air filter change) |
Regular diagnostic tests, such as an engine diagnostic test, are also integral to these services.
Why is the B6 Service So Expensive?
Many Mercedes owners wonder why B6 service costs so much. Here are a few key reasons:
- Premium-Grade Supplies: Service centers use high-quality oil, filters, fluids, and parts to maintain Mercedes’ performance.
- Certified Technicians: Highly trained professionals with expertise in Mercedes vehicles handle the service, leading to higher labor costs.
- Comprehensive Maintenance: The B6 service includes several tasks, such as fluid changes, oil filter replacement, spark plugs, brake inspections, and air filter changes, making it time-consuming and costly.
While expensive, the B6 service ensures long-term performance, safety, and reliability for your Mercedes. Regular services also help avoid costlier repairs, such as issues from engine detonation or engine compression loss.
How to Reset Mercedes A and B Service Indicator?
If you want to reset the B6 service notification on your Mercedes-Benz without visiting a service center, follow these steps for a 2019 C300:
Step-by-Step Guide:
- Open & Close the Door – Start with the driver’s door open, then close it.
- Press the Start/Stop Button Once – Do not start the engine.
- Wait for Speedometer Movement – The speedometer will rise slightly.
- Press & Hold the Back Button & Touchpad – Located on the left side of the steering wheel.
- Continue Holding for 1 Second – The service menu will appear.
- Press the Touchpad Again – While still holding the back button.
- Scroll to “Assist Plus” – Use the touchpad to navigate.
- Turn on Ignition – Press the start button again.
- Select “Full Service” & Confirm – Navigate to this option and confirm reset.
- Final Confirmation – Choose “Full Service Carried Out” and confirm.
After completing these steps, the maintenance light will be reset, and your service reminder will be cleared.
How Long Does B6 Service Maintenance Take?
A B6 service typically takes around 2 to 4 hours at most dealerships and service shops. However, several factors can affect the time, including:
- Workload & Staffing: A well-staffed service center may complete the job faster.
- Additional Repairs: If extra maintenance is required, it may take 5 hours or more.
- Seasonal Demand: During peak times, delays can extend the service duration.
Planning your service appointment in advance can help minimize waiting times and ensure a smooth experience.
FAQs
Q. What does the Mercedes B6 service include?
The B6 service includes engine oil change, spark plug replacement, brake fluid replacement, air filter change, and other essential maintenance tasks to ensure optimal performance and safety.
Q. When should I schedule my Mercedes B6 service?
The B6 service is typically needed around 120,000 miles or after six years of ownership, depending on when your last A6 service was completed.
Q. How much does a Mercedes B6 service cost?
The cost ranges from $700 to $1,500, depending on your vehicle model, service provider, and location.
Q. Can I perform the Mercedes B6 service myself?
While it’s possible for experienced DIY mechanics to do some of the work, it’s generally recommended to rely on certified technicians to ensure proper maintenance and avoid potential risks.






