✅ Fixed
Alternator output tested — only 12.8V with engine running. Should be 13.8-14.7V. Alternator replaced $180 exchange unit. Charging system working correctly at 14.2V.
Mercedes-Benz Sprinter 2022 Alternator warning light battery not charging
Mercedes-Benz
Sprinter
2022
Safe to Drive?
⚠️ Drive with Caution
Urgency Level
🟠 Fix Soon
Mercedes-Benz Sprinter 2022 battery warning light on. Electrical accessories dimming. Car stalled on highway. 156788 km. This fault code is stored when the engine control unit detects a specific fault condition. Common causes include sensor failures, wiring faults, and component wear. Always read additional fault codes before replacing parts — multiple codes together provide a clearer diagnosis. Clear the code after repair and test drive to confirm the fault does not return.
🔍 Symptoms
📍 Mercedes-Benz Sprinter
⚙️ Possible Causes
Mercedes-Benz Sprinter
Possible: Alternator output tested — only 12.8V with engine running. Should be 13.8-14.7V. Alternator replaced $180 exchange unit. Charging system working correctly at 14.2V.
Repair / Solution
Based on 75 driver confirmations
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