When a Sprinter has a mystery drain, dim lights, or a battery that dies overnight, the problem is usually a parasitic draw or a tired charging system. We test the full electrical and battery setup, find the circuit pulling power, and repair grounds and wiring so the van holds a charge.
What this service includes
- Measure parasitic draw and identify the offending circuit
- Test batteries, alternator, and charging under load
- Clean and repair grounds, cables, and connectors
- Verify the van holds a charge after a rest period
Signs your Sprinter needs it
- Battery drains overnight or after a few days parked
- Repeated jump starts to get the van going
- Flickering accessories or voltage that swings while driving
What does electrical and battery systems cost?
Ballpark pricing for electrical and battery systems on a Sprinter runs $300 to $3,000. The final number depends on your model, mileage, and the exact cause, which we confirm with Xentry before any work is authorized. Diagnostic time is credited toward the repair. See the full pricing page.
Frequently asked questions
What is draining my Sprinter battery overnight?
A module that will not sleep, an aftermarket accessory, or a stuck relay can keep pulling current. We measure the draw and isolate it circuit by circuit so the real drain is found rather than guessed at.
Do aftermarket upfits cause electrical problems?
They often do when tapped in poorly. Camper wiring, inverters, and lighting can create draws and voltage drops. We inspect these additions along with the factory system for Riverside van builds.