The selective catalytic reduction system uses AdBlue to neutralize NOx. Crystallized DEF, a failed dosing injector, or a degraded catalyst trips efficiency faults and the countdown. We inspect the dosing system and SCR catalyst and repair the actual fault.
Signs You Need SCR Catalyst Repair
If your Sprinter shows any of the following in Orange County traffic or on the freeway, it is time to have this checked:
- SCR efficiency fault codes
- DEF crystals around the dosing unit
- Emissions warning with countdown
- Excess DEF consumption
What Our SCR Catalyst Repair Includes
- SCR dosing system test
- DEF injector inspection and cleaning
- Catalyst efficiency evaluation
- Component replacement as needed
- Adaptation and verification
Ballpark Pricing
Ballpark: $600 to $3,000. 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 SCR Catalyst Repair
SCR Catalyst Repair 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.