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#BS-2009-MERC30-31A8

2009 Mercedes Benz C300

Based on reports from 842 owners and 8 recalls for this exact model.

Complaints
842
Crashes
22
Fires
30
Recalls
8
TSBs
97
πŸ›‘

Preliminary Verdict

Red Flag

Based on 842 complaints, 22 crashes, 30 fires, and 8 recalls.

Top reported problems

1

esl failure wont start

3 complaints β€’ Severity 8/10

$X,XXX
2

sub frame broken

3 complaints β€’ Severity 8.7/10

$X,XXX
3

car wouldnt start

2 complaints β€’ Severity 9/10

$X,XXX

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the ElectricalHIGH

193 owners reported electrical issues β€” failures commonly reported around 70K miles.

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

Failure Timeline by Mileage

26
0–30K
165
30–60K
228
60–90K
89
90–120K
39
120–150K
13
150K+

Peak failure range: 60–90K miles (228 reports) β€’ 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: Electrical (193 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

Electrical193 (23%)
Airbags181 (21%)
Steering135 (16%)
Lights113 (13%)
Suspension35 (4%)
Other32 (4%)
Brakes21 (2%)
Engine21 (2%)

2009 Mercedes Benz C300: Known Issues & Problem Areas

Electrical Issues

Electrical complaints account for 23% of all reports filed for the 2009 Mercedes Benz C300, with 193 owners filing complaints with NHTSA. The median mileage at time of complaint is 70,140 miles, suggesting issues tend to surface around the 70K-mile mark.

Airbags Issues

Airbags complaints account for 21% of all reports filed for the 2009 Mercedes Benz C300, with 181 owners filing complaints with NHTSA. Owners should pay attention to airbags-related symptoms during test drives and pre-purchase inspections.

Steering Issues

Steering complaints account for 16% of all reports filed for the 2009 Mercedes Benz C300, with 135 owners filing complaints with NHTSA. Owners should pay attention to steering-related symptoms during test drives and pre-purchase inspections.

Lights Issues

Lights complaints account for 13% of all reports filed for the 2009 Mercedes Benz C300, with 113 owners filing complaints with NHTSA. Owners should pay attention to lights-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

11
10
8
11
11
12
83
13
112
14
124
15
119
16
136
17
62
18
26
19
32
20
33
21
39
22
23
23
17
24
6
25

Complaints filed with NHTSA by year for the 2009 Mercedes Benz C300. Recent trend: decreasing.

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Repair costs β€’ Negotiation scripts β€’ Mechanic checklist β€’ Buy/skip verdict

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Recall History (8 recalls)

14V177000Aug 2014

EXTERIOR LIGHTING:TAIL LIGHTS

Mercedes-Benz USA, LLC (Mercedes) is recalling certain model year 2008-2011 C300, C300 4Matic, C350, and C63 AMG vehicles manufactured January 26, 2007, through July 13, 2011. In the affected vehicles, a poor electrical ground connection may result in the dimming or failure of the tail lights.

15V711000Mar 2016

AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2008-2009 C300 Sedan, C300 4Matic, C63 AMG, and C350 vehicles, and 2010 GLK350 and GLK350 4Matic vehicles. Due to a manufacturing error, the air bag control unit may corrode and cause the control unit to malfunction.

16V081000Oct 2016

AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2009-2010 ML320 BlueTec 4Matic, GL320 BlueTec 4Matic and R320 CDI 4Matic, 2011 E350 Cabriolet and E550 Cabriolet, 2009-2011 ML350, ML350 4Matic, ML550 4Matic, ML63 AMG, and C63 AMG, 2010-2011 ML450 4Matic Hybrid, E350 Coupe, E350 4Matic, E550 Coupe, E550 4Matic, and E63 AMG, 2011-2012 GL350 BlueTec 4Matic and R350 BlueTec 4Matic, 2009-2012 GL450 4Matic, GL550 4Matic and R350 4Matic, 2007-2008 SLK280, SLK350, and SLK55 AMG, 2011-2014 SLS AMG Coupe, 2012 SLS AMG Cabriolet, 2013-2014 SLS AMG GT and SLS AMG GT Cabriolet, 2005 C230 Kompressor and C320, 2006-2007 C230, 2006-2011 C350, 2008-2011 C300 and C300 4Matic, 2010-2012 GLK350 and GLK350 4Matic and 2007-2008 Chrysler Crossfire vehicles. Upon deployment of the driver's frontal air bag, excessive internal pressure may cause the inflator to rupture.

16V363000Jul 2018

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2008-2011 C300 Sedan, C300 4matic Sedan, C350 Sedan, C63 AMG Sedan vehicles, 2010-2011 GLK350, GLK350 4-Matic and E350 Coupe vehicles, 2011 SLS AMG, E350 Convertible, E550 Coupe and E550 Convertible vehicles originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A." Additionally, unless included in "Zone A" above, MBUSA is recalling certain model year 2008 C300 Sedan, C350 Sedan, C63 AMG Sedan and C300 4-Matic Sedan vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Vehicles not originally sold or ever registered in either Zones A or B are not subject to this safety recall. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

17V017000Oct 2018

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2012 C300 4Matic, C250, C250 Coupe, C350, C350 Coupe 4Matic, C350 Coupe, C63 AMG, C63 AMG Coupe, E350 Coupe 4Matic, E350 Cabrio, E350 Coupe, E550 Cabrio, E550 Coupe, GLK350 4Matic, GLK350, SLS AMG Cabrio, and SLS AMG Coupe vehicles originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A." Additionally, unless included in "Zone A" above MBUSA is recalling certain 2009 C300 4Matic, C300, C350 and C63 AMG vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Additionally, unless included in "Zone A" or "Zone B" above MBUSA is recalling certain 2008 C300 4Matic, C300, and C350 vehicles originally sold, or ever registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

+ 3 more recalls in the full report

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. 842 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 8 recalls found for this vehicle.

Repair Cost Data

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

2009 Mercedes Benz C300: Frequently Asked Questions

What is the most common problem with the 2009 Mercedes Benz C300?
The most commonly reported issue with the 2009 Mercedes Benz C300 is related to the electrical, with 193 complaints filed with NHTSA.
Is the 2009 Mercedes Benz C300 reliable?
The 2009 Mercedes Benz C300 has 842 complaints, 22 crash reports, and 30 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 2009 Mercedes Benz C300 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 2009 Mercedes Benz C300 have any recalls?
Yes, the 2009 Mercedes Benz C300 has 8 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Mercedes Benz C300 problems start?
Based on 560 complaints with mileage data, the median mileage at time of complaint is 70,140 miles. The highest concentration of reported issues occurs in the 60–90K 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 β€” 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 β€” 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 β€” no questions asked.
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10 sections of AI analysis based on 842 owner reports. Know before you buy.

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