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#BS-2009-MERSL5-7D89

2009 Mercedes Benz Sl550

Based on reports from 20 owners and 0 recalls for this exact model.

Complaints

Crashes

Fires

Recalls

TSBs

🟢

Preliminary Verdict

Proceed with Caution

Based on 20 complaints, 0 crashes, 1 fires, and 0 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the Wheels & TiresHIGH

8 owners reported wheels & tires issues — failures commonly reported around 8K miles.

!Inspect the BrakesMED

Look for symptoms of wear and premature failure

+ 4 more items in full checklistUnlock

Failure Timeline by Mileage

0–30K

30–60K

60–90K

90–120K

120–150K

150K+

Peak failure range: 0–30K miles (11 reports) • Median: 8K 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: Wheels & Tires (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

Wheels & Tires8 (40%)

Brakes6 (30%)

Electrical3 (15%)

Structure1 (5%)

Tires:pressure Monitoring And Regulating Systems1 (5%)

Structure:body1 (5%)

2009 Mercedes Benz Sl550: Known Issues & Problem Areas

Wheels & Tires Issues

Wheels & Tires complaints account for 40% of all reports filed for the 2009 Mercedes Benz Sl550, with 8 owners filing complaints with NHTSA. The median mileage at time of complaint is 7,500 miles, suggesting issues tend to surface around the 8K-mile mark.

Brakes Issues

Brakes complaints account for 30% of all reports filed for the 2009 Mercedes Benz Sl550, with 6 owners filing complaints with NHTSA. Owners should pay attention to brakes-related symptoms during test drives and pre-purchase inspections.

Electrical Issues

Electrical complaints account for 15% of all reports filed for the 2009 Mercedes Benz Sl550, with 3 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Structure Issues

Structure complaints account for 5% of all reports filed for the 2009 Mercedes Benz Sl550, with 1 owners filing complaints with NHTSA. Owners should pay attention to structure-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

Complaints filed with NHTSA by year for the 2009 Mercedes Benz Sl550. Recent trend: decreasing.

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

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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 20 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 0 recalls found for this vehicle.

Repair Cost Data

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

Other Mercedes Benz Sl550 Model Years

2017 2016 2015 2014 2013 2011 2009 2008 2007 2006 2005 2004 2003

View all Mercedes Benz Sl550 years →

2009 Mercedes Benz Sl550: Frequently Asked Questions

What is the most common problem with the 2009 Mercedes Benz Sl550?

The most commonly reported issue with the 2009 Mercedes Benz Sl550 is related to the wheels & tires, with 8 complaints filed with NHTSA.

Is the 2009 Mercedes Benz Sl550 reliable?

The 2009 Mercedes Benz Sl550 has 20 complaints, 0 crash reports, and 1 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 Sl550 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 Sl550 have any recalls?

No recalls have been issued for the 2009 Mercedes Benz Sl550 according to NHTSA records.

What mileage do Mercedes Benz Sl550 problems start?

Based on 13 complaints with mileage data, the median mileage at time of complaint is 7,500 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.

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 20 owner reports. Know before you buy.

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