Mercedes B Service

Protect your Mercedes with a B Service, the more comprehensive of the two Mercedes logbook services.

Includes engine oil and filter, cabin filter, brake fluid and a full digital vehicle inspection for petrol, diesel, hybrid and EV Mercedes-Benz cars, SUVs and vans.

What is the Mercedes B Service

The B Service is the larger of the two Mercedes-Benz logbook services.

It’s done every second service, alternating with the A Service (A, B, A, B and so on).

The B Service includes everything in the A Service, plus additional items such as brake fluid, cabin filters and a fuel filter for the diesel models.

Mercedes B Services at Eurostar are fixed price, tailored to your exact model and available at both our Hallam and Sunshine West workshops.

What's Included in the Mercedes B Service?

Your Mercedes service schedule may also suggest extra items at certain kilometres or ages such as sunroof services, transmission services or spark plugs.

If your vehicle requires anything additional, we’ll always explain it and quote it before doing any extra work.

How much does the Mercedes B Service Cost?

See below for some example B Service prices for popular Mercedes models. Use the calculator below that to find the exact price for your model.

Model B Service price range
A-Class $640 – $905
CLA $640 – $905
C-Class $615 – $916
E-Class $615 – $1,001
GLC $690 – $982
GLE $724 – $996
Vito $764 – $918
Sprinter 906 (2007-2018) $804 – $940
Sprinter 907/910 (2019-On) $838 – $962

Prices as at November 2026, including parts, fluids, labour and GST. Use the calculator below for the exact price for your model.

Mercedes Service & Brake Price Calculator

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Can’t find your model? Contact us and we’ll help you choose the correct service.

You might notice that the B Service prices vary greatly depending on which model of Mercedes you have.

That’s because of the variations in diesel fuel filters, cabin air filters (combination filters, dust filters, activated carbon filters), engine oil types and more.

All of the prices are calculated for exactly what your Mercedes requires.

What's the difference between the Mercedes B Service and the Mercedes A Service?

The B Service is the second service in the Mercedes Logbook service schedule.

It includes everything in the Mercedes A Service, but also some extra items, such as Cabin Air Filters, Brake Fluid flush, Diesel Fuel Filter and park brake adjustment.

How often do I need a Mercedes B Service?

The table below has some service interval recommendations for Mercedes vehicles.

These are the distances and times between each service, keeping in mind that services alternate between A and B.

So for example on a new Mercedes : 1st Service (A) at 25,000km / 1st year, 2nd Service (B) at 50,000km / 2nd year, 3rd Service (A) at 75,000km / 3rd year, 4th Service (B) 100,000km / 4th year.

So most Mercedes owners will have the B Service done every 2 years.

Mercedes-Benz Generation Typical Service Interval
Current generation Cars & SUVs Up to 25,000 km / 1 year
Current generation AMGs 20,000 to 25,000 km / 1 year
Older Cars, SUVs & AMGs 10,000–15,000 km / 1 year
Vito 639 (2004-2014) Up to 23,000 km / 1 year
Vito 447 (2015-On) Up to 25,000 km / 1 year
Sprinter 906 (2007-2018) Up to 30,000 km / 1 year
Sprinter 907/910 (2019-On) Up to 40,000 km / 2 years

The B Service Process

The first part of our B Service process is the digital vehicle inspection report.

We follow a strict inspection and testing process, where every item on your vehicle is graded red, yellow or green depending on condition.

Once that’s complete, the report gets sent to you, and we continue on with the B Service items.

inspection of vehicle at eurostar diesels

Digital Vehicle Inspection & Report

We inspect your Mercedes following our checklist. Each item is graded. Green for good items, yellow if they need attention next time, and red for items needing urgent repair. This information is put into a report with photos and notes and sent directly to your phone.

Engine Oil & Filter Change

Similar to the A service, we change your engine oil and oil filter using the correct Mercedes spec parts and fluids. The ASSYST service reminder system on your dashboard is reset and the logbook or digital service book filled out.

brake fluid flush at Eurostar diesels

Brake Fluid Flush

Brake fluid absorbs moisture over time and requires replacement every 2 years. A brake fluid flush is performed during the B service which ensures the fluid is fresh and without contamination.

cabin air filter replacement eurostar diesels

Cabin Air Filter Replacement

Replacing your cabin air filter keeps the air inside your Mercedes clean and fresh. It catches dust, pollen and debris that would otherwise be blown through your heating and air conditioning system.

Diesel Fuel Filter Replacement

The diesel fuel filter is replaced during the B Service. Replacing your diesel fuel filter regularly helps prevent contaminants and water moisture from reaching your engine.

Park Brake Adjustment

Mercedes vehicles with a foot-pedal park brake or handbrake lever need to have their mechanisms adjusted during the B service. By adjusting the park brake both at the rear axle/park brake shoes and the cable, your park brake will work correctly. Newer models with the electric park brake calipers are self adjusting.

service booklet eurostar diesels

Service Schedule & Maintenance Check

We review your Mercedes-Benz service schedule to identify additional service requirements based on kilometres and age. This may include transmission servicing, spark plugs, or other scheduled maintenance. We explain what's due and offer recommendations before carrying out additional services.

Road Test

We road test your Mercedes-Benz both before and after the service, to test its operation and identify any handling concerns, noises or performance issues. Any faults or observations are noted in your digital vehicle inspection report.

What does Service B1, B2, B3, B4, B5, B6, B7, B8, B9 mean?

Your Mercedes dashboard will give you service reminders using the ASSYST system.

It monitors kilometres, driving conditions and time between services. It gets reset when each service is completed.

Some Mercedes cars will show the B Service reminder with a number afterwards.

Your dashboard might show “Service B2 due” or “Service B7 due”. The number tells you which extra items are due alongside the B Service.

Have a look at the table below for reference.

Service Code Recommended Services
B B Service
B0 B Service + Sunroof Service
B1 B Service
B2 B Service + Sunroof Service
B3 B Service + Engine Air Filter + Spark Plugs (petrol only) + Differential Service (AMG only)
B4 B Service + Engine Air Filter + Sunroof Service + Spark Plugs (petrol only) + Differential Service (AMG only)
B5 B Service + Engine Air Filter + Spark Plugs (petrol only) + Differential Service (AMG only)
B6 B Service + Engine Air Filter + Sunroof Service + Spark Plugs (petrol only) + Differential Service (AMG only)
B7 B Service + Automatic Transmission Service
B8 B Service + Sunroof Service + Automatic Transmission Service
B9 B Service + Automatic Transmission Service

Parts and Fluids for the Mercedes B Service

We use Mercedes-approved Fuchs oils, and OEM-quality filters from MANN-FILTER, Mahle and Hengst.

These are the same manufacturers that supply Mercedes-Benz.

Cabin Air Filters

One of the important parts of the B Service is the Cabin Air Filter. Most Mercedes cars and vans use a single combination cabin air filter, typically located under the dashboard or glovebox.

Some models of Mercedes use a dual cabin air filter system, consisting of a dust filter in the engine compartment, and an additional cabin air filter filter under the dashboard.

The model types/generations of Mercedes that use a dual filter system are: C-Class w205 & w206, CLE w236, CLS w257, E-Class w213, w214 & w238, G-Class w465, GL w166, GLC w253 & w254, GLE w166 & w167, GLS w166 & w167, ML w166, S-Class w223 and SL-Class w232.

This is just a point of interest and the dual filters are included in our B Service package prices where required.

Fuel Filters

Diesel fuel filters need to be replaced regularly and are included in the B Service.

Petrol fuel filters however are not nearly as critical for the reliable operation of a petrol engine. In fact most petrol fuel filters, which are often located within the fuel tank itself, do not require replacement until at least 200,000km+. So petrol fuel filters are not part of the B Service.

Until recently, diesel fuel filters on Mercedes vehicles were typically a metal canister design, with electric water sensor and heating element built-in.

Newer models of diesels such as the OM654 and OM656 now use a replaceable cartidge filter, typically located under the vehicle rather than attached to the engine itself.

So what does the diesel fuel filter actually catch or prevent? Well when an old filter is cut open, the filter element will typically be dark from fine sediment particles, and there will usually be some larger pieces of grit, sand, metal or water droplets sitting in the bottom.

The diesel fuel filter prevents these foreign particles and moisture from travelling through the high pressure common rail fuel injection system. Components such as the high pressure fuel pump, pressure control valves and fuel injectors are designed with precise tolerances and high pressures in mind. Any foreign particles or water will damage these components.

By having the diesel fuel filter replaced regularly (during the B Service), you ensure that your engine receives clean fuel, free from grit and contaminants.

Brake Fluid

The brakes on Mercedes-Benz vehicles are operated hydraulically with brake fluid. When you press your foot on the brake pedal, a small piston pushes brake fluid from behind the pedal, all the way through brake hoses, to the brake calipers, where the brake pads and discs apply pressure and stop your car.

So brake fluid is a key part of the braking system on your Mercedes. The good news is that brake fluid rarely leaks, but it does have one special characteristic requiring attention – it is Hygroscopic.

This means that brake fluid absorbs water moisture over time, and this is often simply from the atmosphere, which cannot be prevented.

Most car manufacturers, including Mercedes, recommend replacing (or flushing) the brake fluid on your car every 2 years. Leaving the fluid any longer may mean that the water moisture levels in the fluid may cause the fluid to boil (which causes brakes to become soft and fail) or simply begin to rust the brake system from the inside-out.

So as part of the B Service, we perform a brake fluid flush on your Mercedes. This is done using a brake bleeding machine, which pumps new fluid into the brake master cylinder (behind the brake pedal). The new fluid travels all the way through the brake lines, forcing the old fluid out, where we drain it from each of the four brake calipers.

By performing this brake fluid flush every B service, brake fluid boiling and internal corrosion of the brake system is prevented.

Mercedes B Service FAQs

How long does a B Service take?

The Mercedes B Service usually takes 3-4 hours. So most owners choose to drop off in the morning and collect after work.

Yes. Logbook servicing by an independent workshop (such as Eurostar Diesels) keeps your warranty valid under Australian Consumer Law, as long as it follows the Mercedes schedule and uses parts and fluid that meet Mercedes-Benz specs.

Read more about your new-car warranty.

Book an A Service.

We start every A and B Service with the same inspection and testing. Once the inspection is complete, we’ll be able to tell you if a B Service is due before going further.

Yes. Despite our name, we service every Mercedes-Benz type, not just diesels.

Book Your Mercedes Service

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We service petrol Mercedes-Benz cars too - not just diesels!

Eurostar Harry