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#BS-2009-MERSCL-73C5

2009 Mercedes-Benz S ClassProblems, Recalls & Reliability

Based on reports from 3 owners and 1 recall for this exact model.

Data updated ·checked October 13, 2026 · NHTSA complaints through October 8, 2026

Complaints
3
Crashes
2
Fires
0
Recalls
1
TSBs
11
✅

Preliminary Verdict

Green Light

Based on 3 complaints, 2 crashes, 0 fires, and 1 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the AirbagsHIGH

1 owners reported airbags issues — failures commonly reported around 8K miles.

!Inspect the Latches & LocksMED
Look for symptoms of wear and premature failure
+ 3 more items in full checklistUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Airbags (1 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

Airbags1 (33%)
Latches & Locks1 (33%)
Brakes1 (33%)

2009 Mercedes-Benz S Class: Known Issues & Problem Areas

Airbags Issues

Airbags complaints account for 33% of all reports filed for the 2009 Mercedes-Benz S Class, with 1 owners filing complaints with NHTSA. The median mileage at time of complaint is 8,000 miles, suggesting issues tend to surface around the 8K-mile mark.

Latches & Locks Issues

Latches & Locks complaints account for 33% of all reports filed for the 2009 Mercedes-Benz S Class, with 1 owners filing complaints with NHTSA. Owners should pay attention to latches & locks-related symptoms during test drives and pre-purchase inspections.

Brakes Issues

Brakes complaints account for 33% of all reports filed for the 2009 Mercedes-Benz S Class, with 1 owners filing complaints with NHTSA. Owners should pay attention to brakes-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.

Don't negotiate blind — know what this car costs to own

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

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Recall History (1 recall)

09V081000Mar 2009

LATCHES/LOCKS/LINKAGES

MERCEDES BENZ IS RECALLING 54 MY 2009 S-CLASS, W221 VEHICLES. DURING PRODUCTION THE FRONT AND REAR PASSENGER SIDE DOOR LOCKS MAY HAVE BEEN MISTAKENLY INTERCHANGED DURING PRODUCTION. THE EXCHANGE OF A FRONT AND A REAR PASSENGER SIDE DOOR LOCK WOULD RESULT IN A PASSENGER SIDE DOOR THAT CANNOT BE OPENED BY MERELY PULLING ON THE INTERIOR HANDLE AND A REAR DOOR LOCK THAT CAN BE OPENED WITH A SIMPLE PULL OF THE INTERIOR DOOR HANDLE EVEN IF LOCKED.

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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The worst model year for the Mercedes-Benz S Class is the 2021 — worth knowing if you're cross-shopping years. The biggest problem area is electrical.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 3 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 1 recall found for this vehicle.

Repair Cost Data

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

Last updated (checked October 13, 2026). NHTSA complaints received through October 8, 2026.

Other Mercedes-Benz S Class Model Years

20122009200520042003200220012000199919981997199619951994
View all Mercedes-Benz S Class years →

2009 Mercedes-Benz S Class: Frequently Asked Questions

What is the most common problem with the 2009 Mercedes-Benz S Class?
The most commonly reported issue with the 2009 Mercedes-Benz S Class is related to the airbags, with 1 complaints filed with NHTSA.
Is the 2009 Mercedes-Benz S Class reliable?
The 2009 Mercedes-Benz S Class has 3 complaints, 2 crash reports, and 0 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 S Class 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 S Class have any recalls?
Yes, the 2009 Mercedes-Benz S Class has 1 recall on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Mercedes-Benz S Class problems start?
Based on 2 complaints with mileage data, the median mileage at time of complaint is 8,000 miles. The highest concentration of reported issues occurs in the 0–30K mile range. The full report breaks down exactly which components fail at each mileage bracket.
When was the 2009 Mercedes-Benz S Class data last updated?
BumperScan last checked this vehicle against NHTSA on October 13, 2026, covering owner complaints received through October 8, 2026 plus the latest recalls, investigations and technical service bulletins. Its numbers last changed on October 4, 2026.
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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