Mercedes A4 Service: Cost And Checklist | Sincere Mechanic

mercedes a4 service

Are you facing any warning lights or messages like”Mercedes A4 Service Required”, “A4 Service Due”, or “A4 Service Overdue”? Knowing the reason for that?

These messages are displayed on your Mercedes-Benz vehicle when they need specific maintenance and checkups. Here, we take a look at what A4 Service is for Mercedes, its cost, checklist, and what items are included in it.

What Is Mercedes A4 Service?

It is a service code for Mercedes vehicles that appears when your car needs some mandatory maintenance like air filter and spark plug replacement, as well as sunroof cleaning and lubrication. 

What Is Included In A4 Service?

Here are the included sub-items in service a4, but can vary according to vehicle requirements and needs:

  • Air filter replacement
  • Spark plug replacement
  • Sunroof cleaning and lubrication

Air Filter Replacement

During A4 service, your car’s air filter is replaced to ensure the engine’s health. Changing the old, dirty air filter with a new, clean one definitely improves the airflow and the engine’s performance. 

In other circumstances, a dirty air filter will reduce engine power and efficiency, affecting your car’s performance and causing expensive repairs.

Spark Plug Replacement 

The ignition in the car can’t operate without spark plugs. The electrodes in the spark plug are made of high-nickel alloys, and its shell is comprised of steel wire.

Worn or damaged spark plugs take a hard time creating a spark that starts the engine, which can be a reason the engine slowly decreases its capability. However, some issues that you could be facing are:

  • Engine misfiring
  • Rough noises and engine idling
  • Poor acceleration

Sunroof Cleaning And Lubrication

sunroof lubrication in mercedes a4 service

With the passage of time, dust and debris particles can cling to the surfaces of your Mercedes sunroof, and that’s why a detailed cleaning of the sunroof is crucial once a year. Below are some signs that will indicate that your sunroof needs to be repaired:

  1. Sticky movement between opening and closing
  2. Built-up debris
  3. Cracks in the gears
  4. Odd sounds like popping or squeaking

Mercedes A4 Service Cost

The Mercedes A4 service cost can depend on the geographical location, vehicle model and needs, and labor rates of the shop. 

However, the price of A4 service is from $210 to $320 in the United States (USA), and in Australia (UK) can be a bit different from that price. So, visit a repair shop or book an online appointment to know the exact costs. 

Checklist For A4 Service

No. Service Items
1Air filter replacement
2Spark plug replacement
3Sunroof cleaning and lubrication

Reset Indicator Light After A4 Service

Here is the video guide to reset the service light after all the maintenance. You can reset that message by applying all the procedures explained in the video.

Mercedes A & B Servicing

Servicing at regular intervals is crucial for enhancing the engine’s optimal performance. After 2009, Mercedes manufacturer introduced service schedules and named them A and B services.

In the A and B series, each of the service codes is explained very well, and it is easy to estimate the actual maintenance required on the vehicle. After the maintenance of the minder system, Mercedes owners feel it is easier to understand the vehicle’s needs.

How Do I know when my Mercedes needs a4 service?

When your vehicle needs a4 service, a warning message will display on your dash. Sometimes, due to some technicalities, it can be delayed to appear, so in that case, you can find it within your vehicle settings.

The appearance of that message means it tells you about how many days are left until the next service is due.

Conclusion

Maintenance codes are designed to make it easier for owners to get an idea about what their vehicle maintenance needs are. We’ve discussed one crucial code that can improve your Mercedes performance. It is always best to reach the mechanic’s shop with a minor service before it will convert into big trouble.

Martin Lee is an ASE-certified mechanic and contributing author at SincereMechanic. He uses his expertise to create captivating articles that align with our content strategy. Using his deep automobile knowledge, he does in-depth research, puts expertise into articles, and makes them very informative. That information ensures our readers receive many valuable insights about the Vehicles.