Diesel, washer fluid, or the wrong additive in the DEF tank is a costly mistake that clogs the dosing injector and can damage the SCR catalyst. If you suspect a misfuel we act fast, drain the tank, flush the lines, and refill with certified AdBlue.
Signs You Need DEF Tank Contamination Flush
If your Sprinter shows any of the following in Orange County traffic or on the freeway, it is time to have this checked:
- You put the wrong fluid in the DEF tank
- Sudden severe emissions faults after a fill
- DEF pump or dosing errors
- Fuel smell from the DEF filler
What Our DEF Tank Contamination Flush Includes
- DEF tank drain and inspection
- Line and dosing injector flush
- Pump and header check
- Certified AdBlue refill
- System relearn
Ballpark Pricing
Ballpark: $400 to $1,500. Sprinter pricing varies with model year, parts, and condition, so we always confirm a firm price before starting. See our pricing page for more ranges, or call (714) 646-1433 for an exact quote.
Why Orange County Sprinter Owners Trust Us for DEF Tank Contamination Flush
DEF Tank Contamination Flush on a Mercedes Sprinter is not the same as a generic van repair. We diagnose with real Mercedes Xentry equipment, use OEM and OE-quality parts, and fix the root cause so the problem does not come back. Drivers across Anaheim, Irvine, and all of Orange County bring us their diesel, gas, and eSprinter vans because we do the job right the first time and stand behind our work.