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Fuel systemPart report

2018 Mercedes-Benz E300 Fuel system Problems

Complaints
1about this part
Share
3%of 32 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the fuel system of the 2018 Mercedes-Benz E300, 3% of the 32 complaints for this model year.

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.

“Mercedes Benz use low quality PCV regulator valve , it is a common failure problem, warranty will not be covered, Benz sells part replacement for around 350 USD and it require about 2000 in labor to be fixed on average”

NHTSA complaint #11558454, filed 2023-12

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
201927%
201813%
20172519%
199918%
1998111%
1997113%

Other parts of the 2018 Mercedes-Benz E300

Engine
9 complaints
Electrical system
7 complaints
Other or unknown
6 complaints
Transmission and drivetrain
5 complaints
Steering
4 complaints
Forward collision avoidance
2 complaints
Body and structure
2 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Wheels
2 complaints
Air bags
1 complaints
Brakes
1 complaints
Latches, locks and linkages
1 complaints

← All problems reported for the 2018 Mercedes-Benz E300

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