Feb 15, 2017 · All North American Sprinters built after 2010 have DEF tanks. DEF helps with emissions control and the computer in your van will stop you from driving if it detects an empty DEF tank. But don’t panic if the DEF light on your dash comes on.

Oct 31, 2016 · Has anyone drained the DEF from the tank on the Sprinter 3500 chassis ? We would like to do so and have been told there is a pinch tube on the bottom of the DEF tank (Sprinter 3500) that can be accessed to drain the fluid. …

Jun 26, 2011 · Your DEF tank holds about 6.5 gallons, and I think the low DEF message kicks in when you only have 1.5-2 gallons left. Add another gallon of DEF and I'll bet the message (and the MIL) go away after 2 or 3 start cycles.

Mar 20, 2024 · According to the manual, the DEF tank is 5.8 gallons. I've got 3500 miles on my 2023 standard output engine, and the DEF gauge was showing 1 bar under half (the Merc Connect app was saying 48% full). I added a 2.5 gal jug last weekend, and now the DEF gauge is 1 bar below full and the Connect app says 92% full.

Nov 20, 2020 · This is because the Mercedes Sprinter and other vehicles like it make use of what is known as DEF (Diesel Exhaust Fluid). This article will walk you through DEF, why the DEF heater may not be working, and what to do when this very important system fails.

Jan 17, 2022 · The Diesel Exhaust Fluid or DEF light is a warning system that alerts you when the DEF tank is close to being empty. This impacts truck drivers more than those who drive passenger vehicles because of the danger it poses when the DEF is at its low point.

Aug 4, 2022 · Definitely call and get the recall done. That should fix your DEF issues for another 100k miles or more. Lots of DEF issues arise because users let their DEF tanks get too low and the DEF splashes and dries on the interior of the tank and sensors.

2014-2018 MERCEDES SPRINTER RV DEF TANK w/PUMP ASSEMBLY Bluetec. Tank in excellent working condition Have more Sprinter parts Email me with any questions or requests

Feb 16, 2022 · From what I've gathered, as long as you use the right DEF and keep your tank filled 50-100% (no more than 75% in winter due to expansion) and you drive at highway speeds for 30 mins per week (for DPF cleaning) then the system should not fail.

Apr 11, 2014 · Most DEF tanks for a Mercedes Benz Sprinter Van are about 6.6 gallons. You can get a 2.5 gallon refill tank of DEF for about $12.00, which is approximately $4.80 per gallon. So, it will take about $31.00 to completely fill up a DEF tank in a Sprinter Van. Yes, adding DEF fluid may seem like a hassle.