NHTSA Data Explorer
Mercedes-Benz GLS550
Data refreshed May 30, 2026
Select a model year to filter results to that year of the Mercedes-Benz GLS550.
Complaints
13
Active records
Recalls
7
Active records
TSBs
85
Active records
Filing history
Monthly totals over the last 20 years. Click a legend item to show or hide that series.
Top reported issues — Mercedes-Benz GLS550
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Condition issue
Operating state
Engine behavior
Reporting mechanism
Transmission/drivetrain behavior
Electrical issue
Noise
Performance issue
Safety restraint behavior
Safety restraint issue
Smell
Thermal issue
Recent filings
The 10 most recent filings for each type.
2019 MERCEDES-BENZ GLS 550
Filed Oct 29, 2025
See attached document for complaint.
2017 MERCEDES-BENZ GLS550
Filed Aug 5, 2025
Feel unsafe fuel rails and more where recalled in April 2022 Not all gls550 were recalled at the time due to no reason Drive to Florida with my wife and kids and car gave up on the side of a bridge hwy over the ocean We were stuck car smelt like gas and wouldn’t turn on we had nowhere to get out on a 25ft bridge with no ac no emergency lanes with 5 kids all under age of 6
2019 MERCEDES-BENZ GLS 550
Filed Dec 4, 2024
While driving my car the check engine light comes on. The code is P06DA (OIL PUMP SOLENOID OPEN CIRCUIT - ELECTRICAL ISSUE). Dealer states repair is $5000!!! Car is not able to pass inspection due to the check engine light.
2018 MERCEDES-BENZ GLS 550
Filed Mar 10, 2024
Water collects at the front row floor at driver and passenger sides
2017 MERCEDES-BENZ GLS550
Filed Dec 18, 2021
We had our Mercedes GLS550 2017 with 59,295 overheat and call for immediate shut down on the Massachusetts Turnpike with my wife and child in the car. It was quite a dangerous situation because the failure caused by hose assembly 166-830-15-00 clamp (as described by the dealer as the reason for the loss of fluid and hose failure) caused almost an immediate overheating. The service advisor stated that it is a quite common failure. I was quite suspicious, because just 11 days prior and 138…
2018 MERCEDES-BENZ GLS 550
Filed Aug 19, 2021
The contact owns a 2018 Mercedes Benz GLS550. The contact stated that when the brake pedal was depressed there was an abnormal noise detected. The brake warning indicator light was illuminated. The contact stated that the brake pad on one side of the disc was completely worn, and the other side of the disc was like new with a full thick pad. The vehicle was taken to the local dealer and the contact was informed that the brake rotor needed to be replaced. The vehicle was repaired. The…
2017 MERCEDES-BENZ GLS550
Filed Mar 12, 2021
MY WIFE AND I WERE DRIVING FROM ARIZONA TO COLORADO. WE WERE TRAVELING AT ABOUT 85 MILES/ HR PASSING ALBUQUERQUE. ALL OF A SUDDEN WE FELT AND HEARD AN EXPLOSION. MY WIFE AND I BOTH DUCKED AND FORTUNATELY I KEPT MY HANDS ON THE WHEEL. WE LOOKED UP AND THE SUNROOF HAD SHATTERED AND BLOWN OUT. THE ONLY THING THAT SAVED US FROM BEING SHOWERED WITH GLASS WAS THE SHADE OF THE SUNROOF WAS CLOSED BECAUSE THE SUNROOF WAS CLOSED AT THE TIME. WE HAD T DRIVE THE REMAINING 400 MILES WITH THE BROKEN SUNROOF.…
2017 MERCEDES-BENZ GLS550
Filed Jul 21, 2020
REAR AXLE LOCK UP BRIEFLY MADE A SOUND LIKE SOMEONE REAR ENDED THE CAR AND SNAP THE LEFT SIDE REAR CV AXLE. VEHICLE IS AWD AND DOES NOT MOVE ON ITS OWN POWER.. SHOP TOW SUV AND ON THE AIR FOUND THE AXLE INNER JOINT JUST SPINS BUT CAR DOES NOT MOVE, THEY PULLED THE AXLE AND THE IS METAL BURNT INTO THE AXLE SHAFT SEEMS REAR DIFF LOCK UP, OIL WAS CLEAN ON THE DIFFERENTIAL.
2018 MERCEDES-BENZ GLS 550
Filed Jan 6, 2020
SEATBELT HAD TIGHTENED AND NOT RELEASED WHEN MY BODY MOVES. BRAKES ARE NOT APPLIED. TYPICALLY DURING DRIVING I'M SMALL ENOUGH TO MANEUVER MY HAND DOWN TO RELEASE RED SEAT BELT BUTTON. *TR I'VE HAD TO STOP MY VEHICLE 5-10 TIMES TO RELEASE BELT. I HAVE 2 SMALL KIDS 7/ 11 BOTH ARE 60 POUNDS THEY ARE 4 FEET TALL AND 4'6' 7 YEAR OLD STILL USES BOOSTER I''VE CHECKED BELTS TO THE BEST OF MY ABILITY BUT I'M 110 LBS 5'2' AND HAVE NO MECHANICAL TRAINING OR EXPERIENCE OR CERTIFICATIONS THIS…
2018 MERCEDES-BENZ GLS 550
Filed Nov 29, 2018
I WAS DRIVING IN A RURAL AREA WHEN ALL OF A SUDDEN I HEARD WHAT SOUNDED LIKE AN EXPLOSION. MY FIRST INSTINCT WAS THAT I HAD BLOWN A TIRE BECAUSE IT WAS SO LOUD. HOWEVER, THE CAR WAS HANDLING FINE AND NO WARNING MESSAGES CAME ON. MY HUSBAND AND I BOTH SAID WHAT WAS THAT? EVERYTHING ON SEEMED FINE MECHANICALLY SO WE KEPT DRIVING, BUT A BIT SHAKEN BY THE SUDDEN LOUD NOISE. I FEW HOURS LATER WE STOPPED FOR GAS. AS MY HUSBAND WENT TO CLEAN THE WINDSHIELD HE NOTICED THE SHATTER OF THE GLASS ROOF…