Maintaining Your Mercedes: Fuel Filter Change Intervals For Sprinters

The fuel filter in a Mercedes Sprinter 2500 diesel vehicle should be replaced every 20,000 to 30,000 miles, according to the manufacturer's recommendations. However, some Mercedes dealers and mechanics suggest replacing it sooner, at around 12,000 miles. The cost of the fuel filter itself can vary from $50 to $230, and the labour cost for replacement can range from $280 to $800. It is a maintenance item that prevents contaminants from entering the fuel system and causing damage.

Fuel filter replacement cost

The cost of a fuel filter replacement for a Mercedes-Benz Sprinter 2500 varies depending on the year of the vehicle and the location of the replacement. The average cost is between $274 and $352, with labour costs estimated between $88 and $111, and parts priced between $186 and $241.

For example, the fuel filter replacement for a 2012 Mercedes-Benz Sprinter 2500 V6-3.0L Turbo Diesel costs between $239.33 and $281.67. Whereas, the replacement for a 2014 Mercedes-Benz Sprinter 2500 L4-2.1L Turbo Diesel costs between $351.72 and $466.93.

The fuel filter replacement can also be done at home, with the cost of parts ranging from $31.58 to $87.89. However, it is important to note that labour costs are not included in this price range.

In addition to the cost of the replacement, it is recommended to use OEM quality or better when selecting a new fuel filter to ensure the longevity of the vehicle.

How to know when to change the fuel filter

The fuel filter in your Mercedes Sprinter 2500 diesel engine should be replaced every 20,000 to 30,000 miles, according to the manufacturer's recommendations in your owner's manual. However, there are some signs and symptoms that may indicate the need for an early replacement.

Firstly, it's important to understand the function of a fuel filter. Fuel filters play a crucial role in the fuel delivery system by trapping contaminants from the fuel and fuel tank, preventing them from entering the rest of the fuel system and causing damage. When the fuel filter becomes clogged, the engine experiences fuel starvation, resulting in a significant reduction in power and potential misfires. These issues may be intermittent at first but can worsen over time.

As the problem progresses, you may notice more frequent and severe symptoms, such as the engine stalling immediately after starting, failing to start at all, hesitating under throttle, or stalling at particular angles on hills. If you experience any of these symptoms, it's advisable to have the fuel filter checked and potentially replaced.

In newer models of the Mercedes Sprinter, a warning signal will appear on the dashboard when it's time to replace the fuel filter. This warning light serves as a helpful reminder to schedule maintenance and prevent potential driveability issues.

When replacing the fuel filter, it's important to follow the recommended maintenance schedule and not wait until a problem occurs. Driving with a clogged fuel filter can be hazardous, as it may cause unpredictable acceleration or frequent stalling, increasing the risk of a breakdown on the highway.

For the Mercedes Sprinter 2500 diesel engine, the fuel filter replacement process typically involves the following steps:

• Removing the air filter housing by popping up the air vent on the plastic connectors, disconnecting the air hoses and cables, and detaching the electrical connectors.
• Accessing the fuel filter by removing the heat shield with a Torx bit and unscrewing the spring-loaded screws.
• Opening the clamp on the back of the filter cage and loosening the clamps on the high-pressure hoses attached to the filter.
• Disconnecting the electrical connector and removing the fuel filter from its housing.
• Replacing the O-rings, lubricating them with engine oil, and reattaching the new filter with the necessary screws and clamps.
• Reinstalling the heat shield and air filter housing, ensuring all connections are secure.

It's important to note that the fuel filter replacement process may vary slightly depending on the specific model and year of your Mercedes Sprinter 2500 diesel engine. Always refer to your owner's manual or seek guidance from a qualified mechanic if you're unsure about the procedure.

Where to buy a new fuel filter

There are several options for purchasing a new fuel filter for your Mercedes Sprinter 2500 diesel.

Firstly, you can go directly to a Mercedes-Benz dealership or service center. They will be able to provide you with a genuine OEM fuel filter, which is guaranteed to fit your model. The cost of the fuel filter from a dealership may be higher, but you have the advantage of in-person support and the ability to ask any questions.

Alternatively, you can opt for online retailers, such as Amazon, Sprinter Parts Depot, or even the Mercedes-Benz USA Parts website. These websites offer OEM fuel filters at more competitive prices, often with free shipping. For example, Amazon offers the Mercedes Benz 651 090 29 52 Genuine Sprinter Fuel Filter with positive reviews for around $55. Similarly, Sprinter Parts Depot offers a Genuine OEM Mercedes Fuel Filter for around $78, with assurances of reliability and durability. The Mercedes-Benz USA Parts website also offers fuel filters, with the added benefit of being able to order other parts for your vehicle.

Another option is to explore third-party retailers, such as auto parts stores or independent mechanics. These options may offer more affordable prices, but it is important to ensure that you are purchasing a high-quality fuel filter that is compatible with your vehicle.

Finally, you can consider purchasing directly from the OEM suppliers, such as Mann or Mahle, as recommended by Sprinter Van Diaries. This ensures that you are getting a product that meets the exact specifications and standards of Mercedes-Benz.

When purchasing a new fuel filter, it is crucial to verify the correct part number and compatibility with your vehicle's make, model, and year. Additionally, regular maintenance, including fuel filter replacement, is essential to maintain the performance and longevity of your Mercedes Sprinter.

How to change the fuel filter

The fuel filter on a Mercedes Sprinter 2500 Diesel sits underneath a heat shield, below the air filter housing, in the centre of the engine compartment. It is recommended to change the fuel filter every 20,000 to 30,000 miles. Below is a step-by-step guide on how to change the fuel filter.

Tools Required:

• Hose clamps (optional)
• Flathead screwdriver
• Torx bit
• 5mm hex bit

Step 1: Remove the Air Filter Housing

• Use a flathead screwdriver to pop up the air vent on the 2 plastic connectors.
• Disconnect the black plastic air hose on the driver's side.
• Remove the cable on the driver's side by sliding it upwards.
• Loosen the clamp on the passenger side and remove the air hose.
• Remove the 2 electrical connectors from the passenger side.
• Pull out the air filter housing and put it to the side.

Step 2: Remove the Heat Shield

• Use a Torx bit to remove the 5 spring-loaded screws that turn 90 degrees to detach.
• Pull out the metal piece and put it to the side.

Step 3: Remove the Fuel Filter

• Open the clamp on the backside of the filter cage using a 5mm hex bit.
• Loosen the clamps on the 2 high-pressure hoses attached to the filter and pull them off.
• Disconnect the electrical connector by pulling it out.
• Lift the fuel filter out of its housing.

Step 4: Prepare the New Fuel Filter

• Remove the 2 Torx screws and the plastic screw on top of the old fuel filter.
• Twist and remove the black plastic insert that sits in the filter.
• Take off the 2 rubber O-rings attached to the plastic insert.
• Put the insert into the new filter, reattach the 2 Torx screws, and put the black plastic screw back on.

Step 5: Install the New Fuel Filter

• Put the new fuel filter back into its casing in the engine compartment.
• Reattach the high-pressure hoses and tighten the clamps.
• Attach the electrical connector.
• Tighten the clamp on the housing.

Step 6: Reattach the Heat Shield and Air Filter Housing

• Reattach the heat shield plate by sliding it into the 2 pins in the back and securing it with the 5 Torx screws.
• Put the air filter housing back on by hooking it in on the rear side and reconnecting the 5 things from Step 1.

How to reset the check engine light

The general recommendation is to replace the fuel filter on a Mercedes Sprinter 2500 Diesel every 20,000 to 30,000 miles. However, the owner's manual for your specific model year should be consulted for the manufacturer's recommended replacement schedule.

Now, onto resetting the check engine light.

The best way to reset a check engine light is to address the issue that caused it to turn on in the first place. You can use a Bluetooth ODB-II dongle and accompanying software on your mobile device to view the error code and reset the light. Alternatively, you can use any ODB-II scanner or take your van to a nearby Autozone to have them read the code and clear it.

If you are specifically looking to reset the "Service Soon" light, follow these steps:

• Insert the key into the ignition and turn it to the "On" position without starting the engine.
• Press the button on the lower left of your steering wheel to display what service is needed.
• Hold down the reset button on the left side of the instrument panel for at least three seconds.
• Release the button and press it again until the display confirms the reset.
• Turn off the van and wait for 60 seconds before starting the engine.

If you have your own scan tool, you can also refer to the instructions provided by Sprinter Van Diaries for resetting the check engine light.

Frequently asked questions