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Fuel systemPart report

2011 Mercedes-Benz GL450 Fuel system Problems

Complaints
2about this part
Share
4%of 55 total for the year
Median mileage
79,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the fuel system of the 2011 Mercedes-Benz GL450, 4% of the 55 complaints for this model year. Where a mileage was given, the median is 79,000 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.

“I bought a mercedes GL450 about a year ago, is well taken care of ever since I got it, also the reason I purshased this vehicle because I've heard good things from mercedes that it's safe and a reliable vehicle . So I thought and I would've never imagine this vehicle put me my family and I at risk. Starting with the airbag. The sensor keeps on triggering it so its malfunctioned. Also I have an ABS/esp sensor on as well. So as I am driving the car the car suddenly brakes frequent, there's times that it doesn't at all and the brake system doesn't work at all. Huge red flag!!! …”

NHTSA complaint #10850434, filed 2016-03, 79,000 miles

“Recall the air suspension bags keeps busting also I can't tell how much gas in my tank I replace the back air suspension air bag and now the front has gone out I also replace the suspension leveling value the car bounces when driving”

NHTSA complaint #11114529, filed 2018-07

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
201313%
201224%
201124%
200812%
200743%

Other parts of the 2011 Mercedes-Benz GL450

Air bags
34 complaints
Suspension
9 complaints
Brakes
7 complaints
Electrical system
4 complaints
Other or unknown
3 complaints
Transmission and drivetrain
2 complaints
Engine
1 complaints
Seats
1 complaints
Wheels
1 complaints

← All problems reported for the 2011 Mercedes-Benz GL450

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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