Total Complaints
3 filings
MERCEDES-BENZ SLK300 · model year
2009 MERCEDES-BENZ SLK300
3 NHTSA complaints. A VIN lookup is required to determine whether a specific vehicle has an unrepaired recall.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2009MERCEDES-BENZSLK300 carries 3 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
The most frequently selected component label in reports for the 2009 SLK300 is unknown or other with 1 filings, followed by steering (1) and electrical system (1). Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause.
NHTSA currently has 15 investigation files overlapping the 2009 SLK300. Owners comparing this cohort against neighboring years should read the complaint-by-year trend as report volume, not a causal diagnosis. Use the related-complaint feed and the official recall lookup when researching a specific vehicle.
3
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| UNKNOWN OR OTHER | 1 |
| STEERING | 1 |
| ELECTRICAL SYSTEM | 1 |
Recent Complaints
20150716UNKNOWN OR OTHER
I WAS DRIVING DOWN AN INTERSTATE WHEN MY POWER STEERING AND AC WENT OUT AND A BATTERY WARNING MESSAGE APPEARED. SHORTLY AFTER, ANOTHER WARNING APPEARED SAYING TO TURN OFF ENGINE. I HAD TO STOP ON THE SIDE OF THE INTERSTATE AND ENDED UP HAVING TO BE TOWED. THEY DETERMINED I NEEDED A NEW COMPRESSOR, NEW PULLEYS, AND A NEW BELT. AFTER IT WAS "FIXED" THE AC STILL WOULDN'T TURN ON AND IT WAS DIAGNOSED AS A FRONT SAM CONSOLE ISSUE. I GOT THE SAM REPLACED AND THEN AFTER DRIVING ABOUT 30 MILES, MY CHECK ENGINE LIGHT CAME ON AND THE CAR STARTED SHAKING. MA 10/22/2015 UPDATED 11/27/2017*CN
Mileage: 80,000
20150716STEERING
I WAS DRIVING DOWN AN INTERSTATE WHEN MY POWER STEERING AND AC WENT OUT AND A BATTERY WARNING MESSAGE APPEARED. SHORTLY AFTER, ANOTHER WARNING APPEARED SAYING TO TURN OFF ENGINE. I HAD TO STOP ON THE SIDE OF THE INTERSTATE AND ENDED UP HAVING TO BE TOWED. THEY DETERMINED I NEEDED A NEW COMPRESSOR, NEW PULLEYS, AND A NEW BELT. AFTER IT WAS "FIXED" THE AC STILL WOULDN'T TURN ON AND IT WAS DIAGNOSED AS A FRONT SAM CONSOLE ISSUE. I GOT THE SAM REPLACED AND THEN AFTER DRIVING ABOUT 30 MILES, MY CHECK ENGINE LIGHT CAME ON AND THE CAR STARTED SHAKING. MA 10/22/2015 UPDATED 11/27/2017*CN
Mileage: 80,000
20150716ELECTRICAL SYSTEM
I WAS DRIVING DOWN AN INTERSTATE WHEN MY POWER STEERING AND AC WENT OUT AND A BATTERY WARNING MESSAGE APPEARED. SHORTLY AFTER, ANOTHER WARNING APPEARED SAYING TO TURN OFF ENGINE. I HAD TO STOP ON THE SIDE OF THE INTERSTATE AND ENDED UP HAVING TO BE TOWED. THEY DETERMINED I NEEDED A NEW COMPRESSOR, NEW PULLEYS, AND A NEW BELT. AFTER IT WAS "FIXED" THE AC STILL WOULDN'T TURN ON AND IT WAS DIAGNOSED AS A FRONT SAM CONSOLE ISSUE. I GOT THE SAM REPLACED AND THEN AFTER DRIVING ABOUT 30 MILES, MY CHECK ENGINE LIGHT CAME ON AND THE CAR STARTED SHAKING. MA 10/22/2015 UPDATED 11/27/2017*CN
Mileage: 80,000
Compare 2009MERCEDES-BENZSLK300 to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 2009 MERCEDES-BENZ SLK300 have?▼
The 2009 MERCEDES-BENZ SLK300 has 3 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2009 MERCEDES-BENZ SLK300?▼
The most-complained component for the 2009 MERCEDES-BENZ SLK300 is UNKNOWN OR OTHER with 1 complaints. Other frequently reported areas include STEERING and ELECTRICAL SYSTEM.
Is the 2009 MERCEDES-BENZ SLK300 safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data vintage: August 2026. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Every figure on PlainCars is rendered directly from NHTSA complaint and safety data, no number is typed in by an editor. This year-specific record is rendered from NHTSA ODI, recall, and NCAP rows for the 2009 MERCEDES-BENZ SLK300; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.
Read our methodology - how this data is sourced, computed, and verified.