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Fuel systemPart report

2015 Mercedes-Benz S550 Fuel system Problems

Complaints
3about this part
Share
7%of 41 total for the year
Median mileage
152,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the fuel system of the 2015 Mercedes-Benz S550, 7% of the 41 complaints for this model year. Where a mileage was given, the median is 152,000 miles. 1 a fire, according to the filers.

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 drove my 2015 mercedes benz S550 4matic approximately 20 miles to work, parked in the parking lot and about 30 minutes later, I was alerted by pembroke pines police (case# pppd22off050792) that my car was burning when I got to the parking lot pembroke pines fire dept was in the process of extinguishing a catastrophic fire in the engine compartment. The car drove problem free to that point. No warning lights, no smoke, no smell, no leak.the car was in excellent condition prior to the fire with approx 93000 miles. …”

NHTSA complaint #11492024, filed 2022-11

“I bought my S-class car at a Manhattan dealership with 4900 miles on it, I treated it like my baby I’m the only driver and all services and maintenance had been done at the dealership, and I started getting bad readings on the fuel, check engine is ON, fuel gauge reads Full then goes down to Empty The mechanics at the Manhattan dealership said it was short on the fuel tank and I need to have the whole new tank replaced, my understanding is this model, the S Class has been having this issue on many models and there was a soft recall on that matter and it can be fixed at the dealership, we do…”

NHTSA complaint #11556933, filed 2023-11

“The contact owns a 2015 Mercedes-Benz S550. The contact stated that while driving approximately 45 MPH and approaching a stop, the vehicle experienced a loss of automotive power. Several unknown warning lights were illuminated. There was an abnormal ticking sound coming from the engine, and the brakes squeaked while turning. While refueling the vehicle, there was fuel leaking from the vehicle. The contact stated that while driving and attempting to stop, the brake pedal was depressed and felt loose, and the vehicle hesitated while coming to a stop. …”

NHTSA complaint #11678585, filed 2025-08, 152,000 miles

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
201716%
201537%
201428%
2012360%
2011222%
2010531%
2008316%
200759%

Other parts of the 2015 Mercedes-Benz S550

Other or unknown
7 complaints
Seat belts
7 complaints
Electrical system
5 complaints
Body and structure
5 complaints
Wheels
5 complaints
Air bags
4 complaints
Steering
4 complaints
Visibility (wipers, defrost, mirrors)
4 complaints
Brakes
3 complaints
Engine
3 complaints
Tires
2 complaints
Forward collision avoidance
1 complaints

← All problems reported for the 2015 Mercedes-Benz S550

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