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Other or unknownPart report

2018 Mercedes-Benz E400 Other or unknown Problems

Complaints
6about this part
Share
26%of 23 total for the year
Median mileage
1,250miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 6 complaints about the other or unknown of the 2018 Mercedes-Benz E400, 26% of the 23 complaints for this model year. Where a mileage was given, the median is 1,250 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“On may 30, 2020, around 3 pm, my son was the driver and my wife and I were the passengers driving in jersey city, nj (USA). While changing lanes on the road, the car suddenly stopped functioning. All dashboard lights came on and it showed a car with zig zag lines and stated inoperable. We were in the middle of the road in a dangerous situations with cars going around us. The steering wheel froze and the brakes were not functioning. We tried to restart the car many times with the dashboard lights coming on and stating inoperable. …”

NHTSA complaint #11327065, filed 2020-06, 22,777 miles

“Windshield was struck by a rock and an inch horizontal crack has since popped up. Car was purchased 06/28. Had many cars before & never had a cracked windshield. Gm & chrysler. This is my first foreign made car & low and behold, the windshield cracks after being struck by a rock. This is a quality issue with mb.”

NHTSA complaint #11115056, filed 2018-08, 430 miles

“Recently purchased a 2018 Mercedes-Benz E400 4matic wagon with premium package 3 that includes all of the available driver assistance programs (semi autonomous steering, adaptive cruise control, lane keep assistance, blindspot detection, automatic parking assist, cross traffic alert). According to mercedes, the program titled drive pilot with steer assist, is able to keep the vehicle in the lane when there are lane markings or even follow a car ahead if there are no lane markings. Well, this system is terrible. …”

NHTSA complaint #11100119, filed 2018-06, 1,250 miles

“I am filing a complaint regarding the loss of safety-related and remote vehicle features on my 2018 Mercedes-Benz E 400 due to discontinued cellular connectivity between Mercedes-Benz and T-Mobile, effective 12/31/2025. This vehicle is paid for, has low mileage, and is otherwise in excellent condition. However, Mercedes-Benz has notified owners that key features will stop working, including remote start and safety-related services accessed through the Mercedes-Me app. As a consumer, I pay a monthly subscription for these services. …”

NHTSA complaint #11705220, filed 2025-12

“This is NOT about my car with the VIN that I described. It is to report that my car saved my life thanks to ability to brake by itself when detecting accident. 2 months ago I almost collided with Tesla Cybertruck!. The reason that I almost was hit was that Tesla driver didn't yield at the intersection, and I did not see the fast-coming truck AT ALL because of how it is designed. I'm referring to lack of larger front, side and rear reflectors, etc. Existing lights are tiny, hidden and invisible at certain angles and lighting. …”

NHTSA complaint #11617993, filed 2024-10

Related service bulletins

Other or unknown: other model years

YearComplaintsShare of year
2018626%
201715%
201613%
2015213%

Other parts of the 2018 Mercedes-Benz E400

Electrical system
4 complaints
Engine
3 complaints
Seat belts
3 complaints
Steering
3 complaints
Transmission and drivetrain
2 complaints
Air bags
1 complaints
Back-over prevention (rear camera)
1 complaints
Brakes
1 complaints
Electronic stability control
1 complaints
Exterior lighting
1 complaints
Forward collision avoidance
1 complaints
Lane departure
1 complaints

← All problems reported for the 2018 Mercedes-Benz E400

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.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology