Mercedes-Benz CLK-Class problems
Light NHTSA footprint — 9 owner complaints. Either a clean record or thin data; we'll show what's there.
Limited NHTSA data — only 9 complaints on file. The score reflects what's reported, but a small sample skews easily.
Only 9 NHTSA complaints on file — too few for a confident reliability call. Could be a clean record or just thin data.
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
What owners are saying recent NHTSA-filed complaints · verbatim
The contact owns a 2009 Mercedes - Benz CLK350. The contact stated he turned on the air condition of his vehicle and an odor of mold came from the vents. The vehicle was taken to the dealer and stated that there was no recall for that failure. The manufacturer was contacted, and…
Tl* the contact owns a 2009 Mercedes benz clk350. The contact stated that the vehicle was taken for state emission testing and she was informed that the vehicle was included in NHTSA campaign number: 19v918000 (visibility) however, parts to do the recall repair were not yet…
I was involved in a car accident last february, my airbag didn't deploy as compared to the other vehicle (Toyota) where her airbag worked. My car and the other person's car were totaled. I was driving on the middle lane of a 3 lane road when the driver on the right side lane…
The TPMS constantly displays false warning messages about the tires being low on pressure. This began about two years ago, when the car was 7 years old, 100k miles. Numerous trips to the dealer and other repair shops has not alleviated the problem. TPMS constantly giving…
Common questions
Is the 2009 Mercedes-Benz CLK-Class reliable?
Limited NHTSA data. Only 9 owner complaints have been filed for the 2009 Mercedes-Benz CLK-Class, which is not enough for a meaningful reliability score. Active recalls (if any) are listed on this page and remain authoritative — those are verified defects regardless of complaint volume. For a confident reliability read we look for at least 10 owner complaints in the federal database.
Should you avoid the 2009 Mercedes-Benz CLK-Class?
Only 9 NHTSA complaints on file — too few for a confident reliability call. Could be a clean record or just thin data. We don't issue a buy/avoid verdict on the 2009 Mercedes-Benz CLK-Class without a meaningful complaint sample — doing so off a handful of filings would be guesswork.
What should I check before buying a used 2009 Mercedes-Benz CLK-Class?
There isn't enough NHTSA complaint data on the 2009 Mercedes-Benz CLK-Class to flag a standout failure pattern. Run the VIN for open recalls — those are free to fix regardless of warranty — get a standard pre-purchase inspection, and ask the seller for service records.
Is the 2009 Mercedes-Benz CLK-Class a good used car to buy?
Hard to say from federal data alone — only 9 owner complaints have been filed. Lean on the recall list above, a pre-purchase inspection, and a vehicle-history report on the specific VIN. Our data tells you what the model is known for; a history report tells you what that exact car has been through.
What's the most common problem on the 2009 Mercedes-Benz CLK-Class?
No problem area has crossed our reporting threshold yet, which is a good sign for this vehicle.
What's the most expensive thing that goes wrong?
Major repair items haven't been flagged often enough on this vehicle to single one out.
How do I check if my Mercedes-Benz CLK-Class has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2009 Mercedes-Benz CLK-Class?
Hard to say from NHTSA data alone with only 9 complaints on file. A quality service contract runs $1,800–3,500 over 3 years. The decision comes down to your specific situation: vehicle cost, miles on it, how long you plan to keep it, and whether you can absorb a $3K–$8K repair without straining cashflow. With limited public data on this vehicle, lean on the recall list above and check owner forums before committing.