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Mercedes-Benz E400Model year report

2015 Mercedes-Benz E400 Problems

Complaints
15filed with NHTSA
Median mileage
15,000miles, 3 complaints with mileage
Recalls
7campaigns on record
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA crash rating
4 / 5stars overall, 4 rated versions
EPA fuel economy
23 mpgcombined, 3.0L 6-cyl RWD · 20 city / 29 hwy

Sources: NHTSA records for the 2015 Mercedes-Benz E400 (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error

NHTSA recorded 15 consumer complaints for the 2015 Mercedes-Benz E400. The part named most often is air bags, with 8 complaints (53% of the total), followed by electrical system (3) and other or unknown (2). 3 of the complaints include a mileage, and 67% of those were filed for vehicles with under 50,000 miles; the median is 15,000 miles. Of all complaints, 2 involved a crash, 2 an injury, according to the filers. NHTSA lists 7 recall campaigns and 138 technical service bulletins for this model year. Air bags complaints overlap with 3 recall campaigns covering the inflator module filed under the same part. Electrical system complaints overlap with 40 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: “Takata recall. The contact owns a 2015 Mercedes-Benz e400a. The contact received an unknown recall notice regarding the air bags. The dealer was not contacted. The manufacturer was contacted and stated that the parts would not be available until 2020. The contact had not experienced a failure. Vin tool confirms parts not available.”

NHTSA complaint #11184861, filed 2019-03

Electrical system: “The contact owns a 2015 mercedes benz E400. While driving approximately 40 MPH, the vehicle was equipped with a distronic device that allowed the contact to stop the vehicle in the event of a crash. The contact stated that the device failed and caused the contact to crash into the rear of another vehicle. The air bags did not deploy. A police report was filed. The contact and the passenger sustained minor injuries, which required the contact to seek medical attention. The vehicle was towed to a tow lot and then to a dealer. The manufacturer was notified of the failure. …”

NHTSA complaint #10767459, filed 2015-09, 1,500 miles

Mileage when problems were reported

67% of the 3 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 1,500 and 76,000 miles.

33%0–1033%10–250%25–500%50–7533%75–1000%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (3 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 15,000 miles.

Complaints by year filed

Trend: falling. Complaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

2015201720183201932021202220232024
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.

Crash test ratings

NHTSA's 5-Star Safety Ratings for the 2015 Mercedes-Benz E400. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.

VersionOverallFrontalSideSide poleRollover
E-Class · sedan 4WD★★★★☆4 / 4535 · 9.9% risk
E-Class · wagon 4WD★★★★☆4 / 4535 · 9.9% risk
E-Class · wagon RWD★★★★☆4 / 4535 · 9.9% risk
E-Class · sedan RWD★★★★☆4 / 4535 · 9.9% risk

Driver aids listed by NHTSA for the 2015 model year: forward collision warning standard, lane departure warning optional, automatic emergency braking not available.

Neighbouring years: 2016: same overall rating. A redesign between years can change both the car and the test.

Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.

Fuel economy and running cost

EPA ratings for each 2015 Mercedes-Benz E400 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
E400 RWD3.0L 6-cyl7-speed automatic202923$3,550
E400 4matic 4WD3.0L 6-cyl7-speed automatic202722$3,750
E400 4matic (station wagon) 4WD3.0L 6-cyl7-speed automatic192622$3,750
E400 4matic Coupe 4WD3.0L 6-cyl7-speed automatic202823$3,550
E400 Convertible RWD3.0L 6-cyl7-speed automatic202923$3,550
E400 Coupe RWD3.0L 6-cyl7-speed automatic202923$3,550

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

See all 7 recalls for the 2015 Mercedes-Benz E400 → · 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. 138 on record; the latest 10 are shown.

See all 138 bulletins →

Other model years of the Mercedes-Benz E400

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20182315,00013522—Rising
2017203,5008523—Falling
20163440,0007423Not compared (fewer than 3 comparable model years)Falling
20151515,0007423—Falling

All Mercedes-Benz E400 model years

Frequently asked questions

How many NHTSA complaints does the 2015 Mercedes-Benz E400 have?

NHTSA recorded 15 consumer complaints for the 2015 Mercedes-Benz E400 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2015 Mercedes-Benz E400 is reported most often?

Air bags is named most often, in 8 complaints (53% of the total), followed by electrical system with 3.

Has the 2015 Mercedes-Benz E400 been recalled?

NHTSA lists 7 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

How did the 2015 Mercedes-Benz E400 do in NHTSA crash tests?

NHTSA's 5-Star Safety Ratings give the 2015 Mercedes-Benz E400 4 out of 5 stars overall, across 4 rated versions (body style and drive). Ratings from different model years are only comparable when the vehicle was not redesigned in between.

What gas mileage does the 2015 Mercedes-Benz E400 get?

The EPA rates the 2015 Mercedes-Benz E400 (E400, 3.0L 6-cyl) at 23 mpg combined, 20 city and 29 highway, with an estimated annual fuel cost of $3,550 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2015 Mercedes-Benz E400 reported?

Among the 3 complaints that include a mileage, the median is 15,000 miles and the middle half falls between 1,500 and 76,000 miles; 67% 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. Crash ratings are from NHTSA’s New Car Assessment Program. 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.