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Mercedes-Benz CLK550Model year report

2007 Mercedes-Benz CLK550 Problems

Complaints
5filed with NHTSA
Median mileage
63,460miles, 4 complaints with mileage
Recalls
4campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA crash rating
—overall rating starts with 2011 models
EPA fuel economy
17 mpgcombined, 5.5L 8-cyl RWD · 15 city / 22 hwy

Sources: NHTSA records for the 2007 Mercedes-Benz CLK550 (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 5 consumer complaints for the 2007 Mercedes-Benz CLK550. The part named most often is fuel system, with 3 complaints (60% of the total), followed by engine (1) and engine cooling (1). 4 of the complaints include a mileage, and 25% of those were filed for vehicles with under 50,000 miles; the median is 63,460 miles. Of all complaints, 1 an injury, according to the filers. NHTSA lists 4 recall campaigns and 56 technical service bulletins for this model year. Fuel system complaints overlap with 2 technical service bulletins filed under the same part. Engine complaints overlap with 3 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Fuel system: “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.”

NHTSA complaint #11378107, filed 2020-12, 82,000 miles

Engine: “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.”

NHTSA complaint #10538568, filed 2013-09, 72,000 miles

Engine cooling: “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.”

NHTSA complaint #10193578, filed 2007-06

Mileage when problems were reported

25% of the 4 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 54,920 and 72,000 miles.

0%0–100%10–2525%25–5050%50–7525%75–1000%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (4 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 63,460 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

20072013201522020
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 2007 Mercedes-Benz CLK550 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
CLK550 RWD5.5L 8-cyl7-speed automatic152217$4,850
CLK550 (Cabriolet) RWD5.5L 8-cyl7-speed automatic152217$4,850

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2007 Mercedes-Benz CLK550 → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 56 on record; the latest 10 are shown.

See all 56 bulletins →

Other model years of the Mercedes-Benz CLK550

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
2007563,4604—17—Not enough data

All Mercedes-Benz CLK550 model years

Frequently asked questions

How many NHTSA complaints does the 2007 Mercedes-Benz CLK550 have?

NHTSA recorded 5 consumer complaints for the 2007 Mercedes-Benz CLK550 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2007 Mercedes-Benz CLK550 is reported most often?

Fuel system is named most often, in 3 complaints (60% of the total), followed by engine with 1.

Has the 2007 Mercedes-Benz CLK550 been recalled?

NHTSA lists 4 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2007 Mercedes-Benz CLK550 get?

The EPA rates the 2007 Mercedes-Benz CLK550 (CLK550, 5.5L 8-cyl) at 17 mpg combined, 15 city and 22 highway, with an estimated annual fuel cost of $4,850 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2007 Mercedes-Benz CLK550 reported?

Among the 4 complaints that include a mileage, the median is 63,460 miles and the middle half falls between 54,920 and 72,000 miles; 25% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.