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#BS-2004-MERC23-1E05

2004 Mercedes Benz C230

Based on reports from 44 owners and 3 recalls for this exact model.

Complaints
44
Crashes
0
Fires
5
Recalls
3
TSBs
45
🟢

Preliminary Verdict

Proceed with Caution

Based on 44 complaints, 0 crashes, 5 fires, and 3 recalls.

See full verdict with buy/skip conditions

Top reported problems

1

sunroof stuck open

2 complaints • Severity 6/10

$X,XXX
2

water pump seized

1 complaints • Severity 8/10

$X,XXX
3

total suspension failure

1 complaints • Severity 8/10

$X,XXX

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Mechanic Inspection Checklist

!Check the EngineHIGH

8 owners reported engine issues — failures commonly reported around 70K miles.

!Inspect the ElectricalMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

4
0–30K
9
30–60K
9
60–90K
1
90–120K
5
120–150K
1
150K+

Peak failure range: 30–60K miles (9 reports) • Median: 70K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Engine (8 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Engine8 (18%)
Electrical7 (16%)
Seat Belts5 (11%)
Fuel System5 (11%)
Drivetrain2 (5%)
Other2 (5%)
Structure:body2 (5%)
Visibility2 (5%)

2004 Mercedes Benz C230: Known Issues & Problem Areas

Engine Issues

Engine complaints account for 18% of all reports filed for the 2004 Mercedes Benz C230, with 8 owners filing complaints with NHTSA. The median mileage at time of complaint is 70,000 miles, suggesting issues tend to surface around the 70K-mile mark.

Electrical Issues

Electrical complaints account for 16% of all reports filed for the 2004 Mercedes Benz C230, with 7 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Seat Belts Issues

Seat Belts complaints account for 11% of all reports filed for the 2004 Mercedes Benz C230, with 5 owners filing complaints with NHTSA. Owners should pay attention to seat belts-related symptoms during test drives and pre-purchase inspections.

Fuel System Issues

Fuel System complaints account for 11% of all reports filed for the 2004 Mercedes Benz C230, with 5 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

4
07
3
08
1
09
9
10
1
11
5
12
2
13
1
14
4
15
1
16
2
17
4
18
3
19
3
20
1
21

Complaints filed with NHTSA by year for the 2004 Mercedes Benz C230. Recent trend: decreasing.

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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (3 recalls)

19V918000Jul 2020

VISIBILITY:SUN/MOON ROOF ASSEMBLY

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2001-2011 vehicles. The bonding between the glass panel and the sliding roof frame may deteriorate, possibly resulting in the glass panel detaching from the vehicle. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V918-4126.pdf

22V954000Feb 2023

VISIBILITY:SUN/MOON ROOF ASSEMBLY

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The glass sunroof panel may not be properly secured and may detach.

24V874000Jan 2025

VISIBILITY:SUN/MOON ROOF ASSEMBLY

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please see the recall report for a complete list of models and model years. The glass sunroof panel may not be properly secured and can detach.

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 44 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 3 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Mercedes Benz C230 Model Years

20072006200520042003200220012000199919981997
View all Mercedes Benz C230 years →

2004 Mercedes Benz C230: Frequently Asked Questions

What is the most common problem with the 2004 Mercedes Benz C230?
The most commonly reported issue with the 2004 Mercedes Benz C230 is related to the engine, with 8 complaints filed with NHTSA.
Is the 2004 Mercedes Benz C230 reliable?
The 2004 Mercedes Benz C230 has 44 complaints, 0 crash reports, and 5 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How much does it cost to fix 2004 Mercedes Benz C230 problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2004 Mercedes Benz C230 have any recalls?
Yes, the 2004 Mercedes Benz C230 has 3 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Mercedes Benz C230 problems start?
Based on 29 complaints with mileage data, the median mileage at time of complaint is 70,000 miles. The highest concentration of reported issues occurs in the 30–60K mile range. The full report breaks down exactly which components fail at each mileage bracket.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 44 owner reports. Know before you buy.

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