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#BS-2012-MERSLK-4FCB

2012 Mercedes-Benz SLK350Problems, Recalls & Reliability

Based on reports from 16 owners and 0 recalls for this exact model.

Data updated ·checked October 21, 2026 · NHTSA complaints through October 19, 2026

Complaints
16
Crashes
0
Fires
0
Recalls
0
TSBs
63
🟢

Preliminary Verdict

Proceed with Caution

Based on 16 complaints, 0 crashes, 0 fires, and 0 recalls. Complaint rate is 2.0x the class average.

See full verdict with buy/skip conditions

Top reported problems

1

convertible retractable roof leaks

2 complaints • Severity 7/10

$X,XXX
2

foul odor

1 complaints • Severity 10/10

$X,XXX
3

roof problem

1 complaints • Severity 4/10

$X,XXX

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the Fuel SystemHIGH

3 owners reported fuel system issues — failures commonly reported around 20K miles.

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

Failure Timeline by Mileage

12
0–30K
1
30–60K
60–90K
1
90–120K
120–150K
150K+

Peak failure range: 0–30K miles (12 reports) • Median: 20K 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: Fuel System (3 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

Fuel System3 (19%)
Other3 (19%)
Airbags1 (6%)
Electrical1 (6%)
Engine1 (6%)
Drivetrain1 (6%)
Seats:front Assembly:head Restraint1 (6%)
Steering1 (6%)

2012 Mercedes-Benz SLK350: Known Issues & Problem Areas

Fuel System Issues

Fuel System complaints account for 19% of all reports filed for the 2012 Mercedes-Benz SLK350, with 3 owners filing complaints with NHTSA. The median mileage at time of complaint is 20,000 miles, suggesting issues tend to surface around the 20K-mile mark.

Airbags Issues

Airbags complaints account for 6% of all reports filed for the 2012 Mercedes-Benz SLK350, with 1 owners filing complaints with NHTSA. Owners should pay attention to airbags-related symptoms during test drives and pre-purchase inspections.

Electrical Issues

Electrical complaints account for 6% of all reports filed for the 2012 Mercedes-Benz SLK350, with 1 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Engine Issues

Engine complaints account for 6% of all reports filed for the 2012 Mercedes-Benz SLK350, with 1 owners filing complaints with NHTSA. Owners should pay attention to engine-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

1
12
3
13
3
14
2
15
2
16
1
20
1
21
1
22
1
25
1
26

Complaints filed with NHTSA by year for the 2012 Mercedes-Benz SLK350. Recent trend: stable.

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

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

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NHTSA Defect Investigations (1)

1 investigation still open: NHTSA is examining whether a defect warrants a recall.

EA21002OpenOpened Sep 2021

Desiccated Air Bag Inflator Rupture

AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

The worst model year for the Mercedes-Benz SLK350 is the 2009 — worth knowing if you're cross-shopping years. The biggest problem area is body / paint.

2012 Mercedes-Benz SLK350 vs. Class Average (Two Seaters)

This vehicle

16

Class avg

8

2.0x the class average — significantly more complaints than typical two seaters vehicles.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 16 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.

Last updated (checked October 21, 2026). NHTSA complaints received through October 19, 2026.

Other Mercedes-Benz SLK350 Model Years

201620152014201320122008200720062005
View all Mercedes-Benz SLK350 years →

2012 Mercedes-Benz SLK350: Frequently Asked Questions

What is the most common problem with the 2012 Mercedes-Benz SLK350?
The most commonly reported issue with the 2012 Mercedes-Benz SLK350 is related to the fuel system, with 3 complaints filed with NHTSA.
Is the 2012 Mercedes-Benz SLK350 reliable?
The 2012 Mercedes-Benz SLK350 has 16 complaints, 0 crash reports, and 0 fire reports filed with NHTSA. This is 2.0x the class average — higher than typical for its segment.
How much does it cost to fix 2012 Mercedes-Benz SLK350 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 2012 Mercedes-Benz SLK350 have any recalls?
No recalls have been issued for the 2012 Mercedes-Benz SLK350 according to NHTSA records.
What mileage do Mercedes-Benz SLK350 problems start?
Based on 14 complaints with mileage data, the median mileage at time of complaint is 20,000 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 2012 Mercedes-Benz SLK350 data last updated?
BumperScan last checked this vehicle against NHTSA on October 21, 2026, covering owner complaints received through October 19, 2026 plus the latest recalls, investigations and technical service bulletins. Its numbers last changed on October 13, 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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10 sections of AI analysis based on 16 owner reports. Know before you buy.

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