Product Details
Whether your late-model Mercedes-Benz Sprinter 2500, 3500, or heavy-duty 3500XD is a dedicated commercial workhorse or a custom overland camper, keeping it out of the shop and on the road is your top priority. Modern Sprinter vans (from the 2019+ VS30 generation) utilize an incredibly strict exhaust aftertreatment system to eliminate soot and emissions. To ensure this system is actually doing its job, the engine computer relies heavily on the Downstream Diesel Particulate (PM) Sensor.
Threaded into the exhaust pipe directly after the Diesel Particulate Filter (DPF), this highly advanced sensor acts as the ultimate emissions watchdog. It continuously measures the exhaust stream for microscopic soot particles. If the DPF is working perfectly, the sensor should read almost zero soot. However, because this sensor lives in an environment of extreme thermal stress and constantly deals with corrosive exhaust gases, the delicate internal measuring element eventually degrades or burns out. When this sensor fails, your Engine Control Module (ECM) loses its ability to verify DPF efficiency, instantly triggering dashboard warnings and risking costly downtime.
Common Signs of a Failing Downstream Particulate Sensor:
Check Engine Light & OBD-II Codes: The most common symptom is an illuminated Check Engine Light accompanied by specific codes relating to "Particulate Matter Sensor Circuit" or "DPF Efficiency Below Threshold."
Failed Emissions Tests: A faulty PM sensor will prevent your Sprinter's emissions monitors from setting to "Ready," resulting in an automatic failure during an emissions or smog inspection.
Frequent or Interrupted Regenerations: If the ECU receives erratic data from a failing downstream sensor, it may command unnecessary DPF regeneration cycles, wasting fuel and increasing exhaust temperatures.
Limp Mode & Countdown Timers: In severe cases, the ECU may put the van into a restricted power "limp mode" or initiate a limited-start countdown (e.g., "10 Starts Remaining") if it believes the emissions system has been fundamentally compromised.
ECS Tuning Recommends for Sprinter Owners: Do not ignore a particulate sensor code! A failed sensor will quickly cause your Sprinter to fail commercial vehicle inspections and can eventually lead to a blocked DPF. Replacing this sensor is a manageable DIY that saves you from massive dealership labor rates, but you must be prepared for seized exhaust hardware.
Tech Tip: Exhaust sensors on Sprinter vans go through hundreds of extreme heating and cooling cycles, practically welding the sensor threads into the exhaust bung. Do not attempt to force the sensor out dry, or you will strip the threads inside the expensive exhaust pipe! Soak the base of the sensor in a high-quality penetrating rust solvent overnight before attempting removal.
Replacing a downstream exhaust sensor requires patience and the right tools to prevent damaging the exhaust bung. We highly recommend adding these items to your ECS Tuning cart before starting the repair:
Liqui Moly Rapid Rust Solvent (ECS Part #: ES#261596): This industrial-strength penetrating oil is absolutely mandatory. Spray the base of the old sensor generously and let it soak in to break down the rust and carbon holding the threads hostage.
Schwaben 7-Piece Oxygen / Exhaust Sensor Socket Set (ECS Part #: ES#3091599): Exhaust sensors feature a long wire harness that prevents the use of a standard deep socket. This kit includes multiple slotted sockets in various sizes and offset angles, ensuring you have the exact tool needed to safely grip the hex head of the sensor without rounding it off.
Permatex Copper Anti-Seize Lubricant (ECS Part #: ES#282691): Designed specifically for extreme exhaust temperatures. Apply a thin coating to the threads of your new Bosch sensor before installation to ensure it seals perfectly and can be removed easily in the future.
This Part Fits the Following Vehicles
| Make | Model | Submodel | Engine | Year | Chasis | Special Fitment Notes |
|---|---|---|---|---|---|---|
| Mercedes Benz | Sprinter 2500 | Base | L4 2.0L 274.920 | 2023 | 907 | Use vehicle selector to confirm fitment |
| Mercedes Benz | Sprinter 2500 | Base | L4 2.0L 654.920 | 2023 | 907 | Use vehicle selector to confirm fitment |
| Mercedes Benz | Sprinter 2500 | Base | L4 2.0L 654.920 | 2024 | 907 | Use vehicle selector to confirm fitment |
| Mercedes Benz | Sprinter 3500 | Base | L4 2.0L 654.920 | 2023 | 907 | Use vehicle selector to confirm fitment |
| Mercedes Benz | Sprinter 3500 | Base | L4 2.0L 654.920 | 2024 | 907 | Use vehicle selector to confirm fitment |
This Product Is Covered By Our Lifetime Replacement Program
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New/Unused Product Returns
ECS Tuning will accept returns for unused products within 90 days of the ship date for a refund to the original payment method used. The customer is responsible for the return shipping costs and fees. If selecting to use a prepaid shipping label, the shipping cost will be deducted from the total refunded amount. All new/unused products must be new, unused and must be in the original packaging, including labeling, manuals, hardware, etc. Special order parts are non-refundable.
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Any domestic orders that are returned to ECS Tuning as refused by receiver or non-deliverable will be subject to a return handling fee and will be processed as a return in compliance with our standard return policy, including a 15% restocking fee.
Any international orders that are refused at the time of delivery will be subject to carrier abandonment of the package, at which time the ordered products would be discarded by the carrier. The customer will not be refunded for the value of the order and the discarded products are no longer retrievable.
Return Process
ECS Tuning now offers an online returns solution! To get started, simply log into your ECS Tuning account, Click the "View Orders" button on the My Account home page and select the order that you wish to make a return on to begin. If you have any questions, feel free to reach out to our Customer Service Team for assistance!
Please note: Refunds will be processed to the original payment method used on the order or to an in store credit, respective to the type of return that is made as well as any pre-existing arrangements with an ECS Tuning Customer Service Representative. In the event that multiple forms of payment were used, we will refund the value to an in store credit. In the event that a return label is provided, these charges may be deducted from the total refund you receive.
Original shipping costs are non-refundable and the buyer is responsible for return shipping charges. ECS Tuning will not accept COD deliveries.
All in store credit balances will expire after one year from the original purchase date.
Shipping Policy
Free Shipping On Orders $49 & Up
Items marked with a 'Free Shipping On Orders $49 and Up' logo may qualify for free standard economy ground shipping to the contiguous United States (48 states) for most orders with a value greater or equal to $49.00 USD. Oversized products and direct ship products are excluded from this offer unless otherwise noted.
Free Shipping
Items marked as 'Free Shipping' may qualify for free standard economy ground shipping to the contiguous United States (48 states). Oversized products and direct ship products are excluded from this offer unless otherwise noted.
The policies listed above are subject to change at any time without notice.
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Why You Should Shop From ECS Tuning
ECS Tuning stands out as more than an automotive parts supplier-it's a vibrant community fueled by a shared passion for cars. Born from the enthusiasm of car lovers, we offer an unmatched understanding and commitment to the automotive world, providing high-quality parts and accessories sourced from our own experiences. Our selection is meticulously crafted to meet the highest standards of performance, quality, and design, catering to both the latest trends and classic styles.
Our distinct advantage lies in our passionate team and comprehensive support, offering expert advice and seamless service from selection to installation. Shopping with ECS brings exclusive perks, including our Lifetime Replacement Guarantee and free shipping on orders over $49, enhancing the value of every purchase. As a central hub for car enthusiasts, ECS Tuning fosters a rich community where ideas and experiences flourish, transforming us from a mere supplier into a platform where automotive dreams come to life.
Cancellation Policy
At ECS Tuning, we understand that plans can change. That's why we offer a flexible cancellation policy for our customers. You may cancel your order at any time before you receive the shipment confirmation. This policy is designed to provide you with peace of mind and the flexibility to make adjustments to your purchases as needed. Should you decide to cancel your order, simply reach out to our customer service team, and we will assist you with the process swiftly and efficiently.
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