2017 Mercedes-Benz C300
Mileage
138,966
Service Date
11/13/2025
Services Performed
- for some time before new concern occurred ,prior to spark plugs states p0301,p0302 Verify customer complaint and vehicle's performance. Scan computer system for codes using a scanner & diagnostic analyzer. Check sensor operation. If codes are present in computer system record codes. Advise of any additional inspection services needed. Visually inspect engine performance parts for damage or excessive wear. Check and advise of any needed or recommended repairs. road tested vehicle felt vehicle misfire on road test scanned for diagnostic trouble codes found multiple codes stored p13c5-23 short term torque limitation was detected by knock control voltage too low ,p13c6-24 voltage too high ,p0300 random misfire detected ,p0301 misfire cylinder #1 , p06da-00 the actuation of valve of oil pump in combustion engine has electrical fault /open circuit or ignore error code ,monitored misfire data with scan tool found to be counting misfires on cylinder # 1 under load tested coil for cylinder #1 found to be operating as designed removed cylinder #1 spark plug and inspected found tip of plug to be melted and electrode to be damaged spark plugs appear to be aftermarket replaced spark plugs with factory spark plugs and rechecked no further misfires found no other codes returned at this time
- SPARK PLUGS – Remove & Replace
Robert E. gave our service a 5 star review on 11/13/2025
