Mercedes E-Class Engine Light — Multiple Codes After Battery
Mercedes-Benz
E-Class
2009
All W212
Safe to Drive?
✅ Safe to Drive
Urgency Level
🟢 Low Priority
Multiple warning lights and stored fault codes appearing after battery disconnection or replacement on W212 E-Class are caused by the car losing learned adaptations for the throttle, gearbox and other systems. These resolve after a short drive as the systems relearn. Persistent codes after 50+ miles indicate genuine faults.
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