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Mercedes-Benz SLK350Model year report

2007 Mercedes-Benz SLK350 Problems

Complaints
13filed with NHTSA
Median mileage
45,000miles, 6 complaints with mileage
Recalls
1campaigns 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
19 mpgcombined, 3.5L 6-cyl RWD · 17 city / 23 hwy

Sources: NHTSA records for the 2007 Mercedes-Benz SLK350 (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 13 consumer complaints for the 2007 Mercedes-Benz SLK350. The part named most often is air bags, with 9 complaints (69% of the total), followed by engine (3) and seats (1). 6 of the complaints include a mileage, and 50% of those were filed for vehicles with under 50,000 miles; the median is 45,000 miles. NHTSA lists 1 recall campaign and 61 technical service bulletins for this model year. Air bags complaints overlap with 1 recall campaign covering the inflator module and 3 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

Air bags: “I have had to have replacement parts installed into my car 3 times since I have owned the vehicle. Each time, I get a message that the driver's side air abg is not functioning.”

NHTSA complaint #11043649, filed 2017-11, 50,000 miles

Engine: “Exited onto freeway offramp and car engine shut off (there was a little shaking prior and check engine light went on). Was able to start the car again and drive 1/2 mile to look for parking spot. When backing into parking spot, car engine shut off again. We were able to drive the car back home - on freeway - and drop at repair shop - but, we were scared to death. After researching what could have happened, we learned our choice to drive was not wise as people have been killed due to this type of defect - 13 deaths. …”

NHTSA complaint #10888967, filed 2016-07, 51,000 miles

Seats: “The contact owns a 2007 mercedes benz SLK350. The contact stated the driver side seat became inoperable. The failure was recurring. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 12,000.”

NHTSA complaint #10653469, filed 2014-11, 12,000 miles

Mileage when problems were reported

50% of the 6 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 13,037 and 51,000 miles.

0%0–1033%10–2517%25–5033%50–750%75–10017%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (6 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 45,000 miles.

Complaints by year filed

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

201420162017720182026
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 SLK350 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
SLK350 RWD3.5L 6-cyl7-speed automatic172319$4,350
SLK350 RWD3.5L 6-cyl6-speed manual162319$4,350

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 SLK350 → · 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. 61 on record; the latest 10 are shown.

See all 61 bulletins →

Other model years of the Mercedes-Benz SLK350

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20121222,6880—23—Not enough data
20071345,0001—19—Not enough data
20061047,1690—19—Not enough data
20052154,4260—19—Rising

All Mercedes-Benz SLK350 model years

Frequently asked questions

How many NHTSA complaints does the 2007 Mercedes-Benz SLK350 have?

NHTSA recorded 13 consumer complaints for the 2007 Mercedes-Benz SLK350 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2007 Mercedes-Benz SLK350 is reported most often?

Air bags is named most often, in 9 complaints (69% of the total), followed by engine with 3.

Has the 2007 Mercedes-Benz SLK350 been recalled?

NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2007 Mercedes-Benz SLK350 get?

The EPA rates the 2007 Mercedes-Benz SLK350 (SLK350, 3.5L 6-cyl) at 19 mpg combined, 17 city and 23 highway, with an estimated annual fuel cost of $4,350 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2007 Mercedes-Benz SLK350 reported?

Among the 6 complaints that include a mileage, the median is 45,000 miles and the middle half falls between 13,037 and 51,000 miles; 50% 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.