Glow plugs preheat the diesel combustion chambers for cold starts. When they fail you get long cranking, rough idle, and a flashing preheat light. We test each cylinder, extract seized plugs carefully to avoid breakage, and code the new plugs where required.
Signs You Need Glow Plug Replacement
If your Sprinter shows any of the following in Orange County traffic or on the freeway, it is time to have this checked:
- Flashing glow plug or coil light
- Long cranking on cold mornings
- White smoke at startup
- Rough idle until the engine warms
What Our Glow Plug Replacement Includes
- Individual glow plug resistance test
- Careful extraction of seized plugs
- OEM or Bosch glow plug replacement
- Glow plug module diagnosis if needed
- Fault clear and relearn
Ballpark Pricing
Ballpark: $350 to $900 depending on seized plugs. 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 Glow Plug Replacement
Glow Plug Replacement 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.