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2003 Mercedes Benz C Class

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

Counts are not adjusted for sales, age, mileage exposure or reporting. A lower count does not establish that a car is problem-free.

About this comparison →
9Owner complaints

Model-year median: 8.5

0Recall campaigns

View recall details →

0Investigations

View investigation details →

Check a VIN with NHTSA ↗ Model-level counts do not show whether a particular VIN is affected or repaired.

Inspection summary

2003 Mercedes Benz C Class

NHTSA snapshot: September 18, 2026. 9 owner complaints · 0 recall campaigns · 0 investigations.

Counts are not failure probabilities and are not adjusted for sales, age, mileage exposure or reporting. One report may name several categories. Comparison method and limitations.

Top reported categories (up to 5)

  • Electrical System: 3 reports
  • Engine And Engine Cooling: 2 reports
  • Air Bags: 1 reports
  • Equipment: 1 reports
  • Fuel System, Other: 1 reports

Full reported-category list and vehicle report

Recall links

    No recall campaigns in this snapshot.

    Check a VIN with NHTSA. Model-level history does not establish whether a particular VIN is affected or repaired.

    Print the top reported categories, recall links, snapshot date and comparison limits.

    How this year compares

    Owner complaints by model year

    Other model years Selected year
    8
    2000    14
    2001    31
    2002    9
    2003    15
    2004    5
    2005    9
    2006
    Compare all C Class years →

    Counts vary with age, sales, mileage exposure and reporting. They are not failure rates.

    What owners reported most

    Electrical System
    3    Engine And Engine Cooling
    2    Air Bags
    1    Equipment
    1    Fuel System, Other
    1
    All reported categories
    Power Train
    1    Seat Belts
    1    Unknown Or Other
    1    Vehicle Speed Control
    1

    Tap a category to read its complaints. One report may name several components.

    When problems were reported

    Mileage at the reported incident

    Limited mileage data: 7 of 9 reports include usable mileage. There isn’t enough coverage to show a useful chart.

    NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

    What to inspect

    Issues worth paying extra attention to based on owner reports.

    • Electrical System. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
    • Engine And Engine Cooling. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
    • Air Bags. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

    NHTSA owner reports · September 18, 2026 snapshot.

    1 crash reports0 fire reports1 injury reports

    Engine And Engine Cooling complaints

    2 reports
    Clear category filter
    70,000 miles · Jul 11, 2011
    Engine And Engine Cooling

    TL* THE CONTACT OWNS A 2003 MERCEDES BENZ C240. THE CONTACT STATED THE COOLANT WAS LEAKING FROM THE RADIATOR INTO THE TRANSMISSION. THE DEALER WAS CONTACTED AND INFORMED HER THAT SHE HAD TO FLUSH THE RADIATOR AND THE TRANSMISSION OR REPLACE THE TORQUE CONVERTER. IF THE FAILURE WAS NOT REPAIRED BY FLUSHING THE SYSTEM, THE TRANSM…

    Read full complaint

    TL* THE CONTACT OWNS A 2003 MERCEDES BENZ C240. THE CONTACT STATED THE COOLANT WAS LEAKING FROM THE RADIATOR INTO THE TRANSMISSION. THE DEALER WAS CONTACTED AND INFORMED HER THAT SHE HAD TO FLUSH THE RADIATOR AND THE TRANSMISSION OR REPLACE THE TORQUE CONVERTER. IF THE FAILURE WAS NOT REPAIRED BY FLUSHING THE SYSTEM, THE TRANSMISSION WOULD NEED TO BE REPLACED FOR OVER $2,000 AT THE CONTACTS EXPENSE. THERE WEE NO RECALLS OR WARRANTIES RELATED TO HER VEHICLE. THE MANUFACTURER WAS CONTACTED BUT OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS 70,000. UPDATED 08/31/11 *BF THE CONSUMER HAS TRADED THE VEHICLE. UPDATED 09/07/11.*JB

    NHTSA ODI #10411780

    70,003 miles · Dec 29, 2008
    Electrical SystemEngine And Engine Cooling

    2003 MERCEDES C240 STALLS IMMEDIATELY AFTER PROLONGED TURNPIKE TRAVEL ( 1.5 HOURS) AT EXIT RAMP TO AN ARTERIAL ROADWAY. THIS INCREASES REAREND ACCIDENT POTENTIAL. MERCEDES CHECKED VEHICLE BUT NO REPORT CODES INDICATED. SUGGESTED THAT IT MAY BE COMPUTER OF SENSOR RELATED. MERCEDES SUGGESTED PULLING OVER FOR 30 MIN. TO LET COMPUT…

    Read full complaint

    2003 MERCEDES C240 STALLS IMMEDIATELY AFTER PROLONGED TURNPIKE TRAVEL ( 1.5 HOURS) AT EXIT RAMP TO AN ARTERIAL ROADWAY. THIS INCREASES REAREND ACCIDENT POTENTIAL. MERCEDES CHECKED VEHICLE BUT NO REPORT CODES INDICATED. SUGGESTED THAT IT MAY BE COMPUTER OF SENSOR RELATED. MERCEDES SUGGESTED PULLING OVER FOR 30 MIN. TO LET COMPUTER RESET. FIRST INCIDENT 12/17/08 SECOND INCIDENT 12/28/08. *TR

    NHTSA ODI #10253108

    Recall campaigns

    0

    No recalls in this snapshot.

    Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

    Defect investigations

    0

    No exact-year investigations in this snapshot.

    An investigation is not a finding of a defect, and closure does not prove a vehicle is problem-free.