✅ Fixed
Replaced all spark plugs with NGK iridium plugs. One coil pack was also weak — replaced. Smooth idle restored immediately.
Mercedes-Benz E-Class 2017 P0300 random misfire rough idle
Safe to Drive?
⚠️ Drive with Caution
Urgency Level
🟠 Fix Soon
Mercedes-Benz E-Class 2017 P0300 random misfire detected. Engine shaking at idle. Check engine light on. 121357 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 E-Class
⚠️ P0300 fault code
⚙️ Possible Causes
Fault code P0300 detected
Mercedes-Benz E-Class
Possible: Replaced all spark plugs with NGK iridium plugs. One coil pack was also weak — replaced. Smooth idle restored immediately.
Onarım / Çözüm
Based on 56 driver confirmations
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