Total Complaints
6 filings
MERCEDES-BENZ CLK550 · model year
6 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2007MERCEDES-BENZCLK550 carries 6 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, 2 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2007 CLK550 is fuel/propulsion system with 2 filings, followed by engine and engine cooling:engine (1) and engine (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 15 investigation files overlapping the 2007 CLK550. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
6 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| FUEL/PROPULSION SYSTEM | 2 |
| ENGINE AND ENGINE COOLING:ENGINE | 1 |
| ENGINE | 1 |
| FUEL SYSTEM, GASOLINE | 1 |
| UNKNOWN OR OTHER | 1 |
PARKED MY CAR IN MY GARAGE FOR THE NIGHT, NEXT MORNING MY GARAGE HAD A STRONG SMELL OF GAS. WHEN I GOT IN THE CAR IT WAS EVEN STRONGER. HAS BEEN 3 DAYS NOW AND YOU CAN EVEN SMELL THE GAS OUTSIDE OF THE CAR WHEN IT'S BEEN PARKED.THE OVERWHELMING SMELL OF GASOLINE INSIDE CABIN OF MY CAR IS NAUSEATING AND I'M AFRAID IT'S GONNA CAUSE ME TO LOSE CONSCIOUSNESS.
Mileage: 82,000
PARKED MY CAR IN MY GARAGE FOR THE NIGHT, NEXT MORNING MY GARAGE HAD A STRONG SMELL OF GAS. WHEN I GOT IN THE CAR IT WAS EVEN STRONGER. HAS BEEN 3 DAYS NOW AND YOU CAN EVEN SMELL THE GAS OUTSIDE OF THE CAR WHEN IT'S BEEN PARKED.THE OVERWHELMING SMELL OF GASOLINE INSIDE CABIN OF MY CAR IS NAUSEATING AND I'M AFRAID IT'S GONNA CAUSE ME TO LOSE CONSCIOUSNESS.
Mileage: 82,000
THE VEHICLE STALLED, ENGINE QUIT, ON A BUSY SIDE STREET. THE DRIVER PULLED OVER ON THE DIRT SIDE OF THE STREET. RESTARTS WERE ATTEMPTED TO NO AVAIL. THE ENGINE WILL IDLE FOR A COUPLE OF SECONDS THEN SHUTDOWN. IT SOUNDED LIKE FUEL STARVATION. THE FUEL INDICATOR SHOWED 4 BARS OR A LITTLE UNDER HALF TANK. THE FUEL TANK WAS FILLED WITH 5 GALLONS OF GASOLINE WHERE THE VEHICLE STARTED FINE AND DRIVEN HOME. THE CAUSE WAS FOUND OUT TO BE A FAULTY FUEL INDICATOR. IT LATER FREEZES ON HALF FULL EVEN IF IT IS FILLED TO FULL TANK AT THE GAS STATION. FUEL GAUGE READINGS ARE INCORRECT AND INTERMITTENT. RESEARCH FROM NADA GUIDES ON THIS VEHICLE REVEALED US NHTSA CAMPAIGN ID 08V303000 AND MERCEDES BENZ RECALL NO. 2008 07000, REGARDING INCORRECT SOFTWARE CALIBRATION NUMBER CODING. HOWEVER, THIS VEHICLE'S VIN DOES NOT SHOW ANY RECALL OR SERVICE BULLETIN. UPDATED 09/25/15*LJ.......UPDATED 10/19/15 *BF UPDATED 12/21/2015 *JS UPDATED 01/25/16.*JB
Mileage: 54,920
WHEN THE GAS TANK IS FILLED UP FUEL IS LEAKING FROM THE TOP OF THE TANK AND THERE IS A STRONG ODOR OF GASOLINE IN THE GARAGE. AFTER THE CAR IS DRIVEN AND A FEW GALLONS OF FUEL ARE BURNED, THE SMELL IS NO LONGER NOTICEABLE. THE REPAIR FACILITY SAID THE FUEL SENDING UNIT AND SEALS NEED TO BE REPLACED. *TR
Mileage: 35,000
TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ CLK550. THE CONTACT STATED THAT WHILE DRIVING 30 MPH, THE COOLANT LIGHT ILLUMINATED AS THE VEHICLE STALLED. THE CONTACT WAS NOT ABLE TO RESTART THE VEHICLE AND THE VEHICLE WAS TOWED TO A DEALER. THE DEALER DIAGNOSED THAT THERE WAS AN UNSECURED CLAMP BEHIND THE FIREWALL AND AS A RESULT, THE ENGINE WAS DESTROYED AND NEEDED TO BE REPLACED. THE CONTACT DID NOT HAVE THE ENGINE REPLACED. THE FAILURE MILEAGE WAS 72,000.
Mileage: 72,000
TL*THE CONTACT OWNS A 2007 MERCEDES BENZ CLK550. WHILE DRIVING 10 MPH, THE ENGINE FAILED AND THE STEERING LOCKED. THE FAILURE OCCURRED WITHOUT WARNING. THE VEHICLE WAS TOWED TO A MERCEDES BENZ DEALER. THE VIN, PURCHASE DATE, ENGINE SIZE, POWERTRAIN, AND MILEAGE INFORMATION WERE UNKNOWN.
Data as of 2025. 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.
Read our methodology — how this data is sourced, computed, and verified.