"How reliable is the 2018 Mercedes-Benz E 300?"

"Based on 43 NHTSA complaints, the 2018 Mercedes-Benz E 300 has a median complaint mileage of 15567 miles. The most common issue is Engine."

"What are common problems with the 2018 Mercedes-Benz E 300?"

"The most frequently reported component in NHTSA complaints for the 2018 Mercedes-Benz E 300 is Engine, accounting for a significant portion of the 43 total complaints filed."

2018 Mercedes-Benz E 300: Reliability Data

Source: NHTSA — 43 complaints

Total Complaints

15,567mi

Median Mileage

Engine

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

9,103 25th Percentile

15,567 Median Mileage

31,750 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Engine

Electrical System

Unknown Or Other

Power Train

Steering

Body

Forward Collision Avoidance

Wheels

Visibility/Wiper

Vehicle Speed Control

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"THE FRONT PASSENGER DOOR NEEDS EXCESSIVE FORCE TO CLOSE THE DOOR SAFELY WHEN THE CAR IS STATIONARY."

"WE LEASED A 2018 MERCEDES E300 EXACTLY ONE MONTH AGO. FOR OUR TEST DRIVE WE TOOK A SHORT TRIP TAKING ALL RIGHT TURNS. SINCE WE HAVE HAD THE CAR MY WIFE HAS HAD SERIOUS VISIBILITY PROBLEMS LOOKING TO THE LEFT, ESPECIALLY AT 4 WAY STOPS. SHE HAS HAD 2 VERY CLOSE INCIDENTS AT THESE STOPS, THE LATEST..."

"ELECTRICAL WIRING AND OTHER PLASTIC TUBING DAMAGE FROM RODENTS WHILE CAR IS STATIONARY ON CITY STREET"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

Where Are Complaints Coming From?

Top states by complaint count.

FL: 9 CA: 9 TX: 5 MS: 3 TN: 3 WA: 3 IL: 3 MD: 2 OR: 1 NC: 1

Who Files Complaints?

2.3%

Original Owners

97.7%

Second+ Owners

Mercedes-Benz E 300 — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
2019	37	6,500	Unknown Or Other	5

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28