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P0301 on MERCEDES-BENZ C-CLASS

Cylinder 1 Misfire Detected

NHTSA Reports
2
Severity
Medium
Most Affected
2011, 2015
Crashes / Fires
0 / 1
Source: NHTSA Complaints Database · SAE J2012

What P0301 Means on Your MERCEDES-BENZ C-CLASS

P0301 is a diagnostic trouble code indicating: Cylinder 1 Misfire Detected. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 MERCEDES-BENZ C-CLASS owners have reported this issue to NHTSA across model years 2011-2015. Most reports come from the 2011, 2015 model years. The most commonly reported component is Air Bags,Vehicle Speed Control,Fuel/Propulsion System (50.0% of reports).

Real MERCEDES-BENZ C-CLASS Owner Reports

Source: NHTSA Complaints Database

"1.What component or system failed or malfunctioned, and is it available for inspection upon request? The fuel system failure is a highly critical safety concern, and my life is at risk."

— 2011 MERCEDES-BENZ C-CLASS owner · AIR BAGS,VEHICLE SPEED CONTROL,FUEL/PROPULSION SYSTEM · Filed 10/22/2024

"The contact owns a 2015 Mercedes-Benz C300. The contact stated that while driving approximately 50-60 MPH, the #1 piston cracked. The contact stated that while his daughter was driving, the vehicle was shaking and smoking. The check engine warning light illuminated."

— 2015 MERCEDES-BENZ C-CLASS owner · ENGINE · Filed 10/16/2021

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

1
'11
1
'15

Common Causes on MERCEDES-BENZ C-CLASS

Based on NHTSA complaint component analysis for this vehicle.

AIR BAGS,VEHICLE SPEED CONTROL,FUEL/PROPULSION SYSTEM 50%
ENGINE 50%

What To Do Next

  1. 1
    Check for recalls on YOUR VIN

    Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.

  2. 2
    Get a proper diagnosis

    A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.

  3. 3
    Compare repair quotes

    Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P0301 mean on a MERCEDES-BENZ C-CLASS?
P0301 indicates: Cylinder 1 Misfire Detected. This is a ignition system code. 2 MERCEDES-BENZ C-CLASS owners have reported this to NHTSA.
What are the most common causes of P0301 on MERCEDES-BENZ C-CLASS?
Based on 2 NHTSA reports, the most commonly cited components are: Air Bags,Vehicle Speed Control,Fuel/Propulsion System, Engine. These percentages are based on the component field in owner complaints.
Is P0301 a safety concern on MERCEDES-BENZ C-CLASS?
Of 2 NHTSA reports for P0301 on MERCEDES-BENZ C-CLASS, 1 involved a fire. Always consult a qualified mechanic for any diagnostic trouble code.
What should I do if my MERCEDES-BENZ C-CLASS shows P0301?
1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

P0301 on Other Vehicles