RoadVitals

2009 Mercedes-Benz GL450 Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
15
Latest Mar 16, 2026
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
1
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
1
Reports on file since Feb 3, 2017

What this page shows

Our database holds 15 NHTSA owner-reported complaints for the 2009 Mercedes-Benz GL450. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Complaints, most recent first

Showing 1–15 of 15

BrakesEngineSuspension
Filed Mar 16, 2026

The contact owns a 2009 Mercedes-Benz GL450. The contact stated that the ABS and check engine warning lights were illuminated, and the struts had failed. The vehicle was taken to the dealer to be repaired under NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic); however, the dealer informed the contact that the vehicle needed to be diagnosed prior to the recall repair, due to the failure. The contact declined to pay the diagnostic fee, and the vehicle was not diagnosed or repaired. The contact stated that the dealer failed to honor the recall repair. The manufacturer was not made aware of the issue. The failure mileage was approximately 156,000.

NHTSA ID
11724677
Incident
Mar 2, 2026
Mileage
156,000 mi
BrakesElectricalEngine
Filed Oct 19, 2022

The contact owns a 2009 Mercedes-Benz GL450. The contact stated while driving at an undisclosed speed, the brake pedal was depressed, and the vehicle started shuddering. The check engine warning light was illuminated. The vehicle was towed to the dealer who informed the contact that the vehicle was not safe to drive. The vehicle was towed to the dealer where the recall repair of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) was completed; however, after the recall repair was completed, the vehicle failed to start. The dealer replaced the battery and completed other unknown repairs on the vehicle. The contact stated that he picked up and drove the vehicle to his residence; however, the vehicle failed to start the next day. The vehicle was towed to the dealer. The vehicle was not repaired. The manufacturer was notified of the failure and informed the contact that they would reimburse the rental car cost. The failure mileage was approximately 143,300.

NHTSA ID
11490054
Incident
Oct 1, 2022
Mileage
143,300 mi
Filed Jan 16, 2022

I was driving 70 down an interstate a Saturday around 4:30 pm and heard a noise as if my sunroof opened a bit, then I heard a loud pop and a rush of air and looked in my rearview mirror and didn't see anything, I looked up seen the sunroof was gone. All I could think about is that could have really caused a serious accident. Glad no one was around me at the time. I doubled back twice and could not find the sunroof glass. I got home and put a couple pieces of cardboard and plastic down and duct taped it before the snow storm hits. A day after and my heart is still racing knowing that could have cause a wreck.

NHTSA ID
11447646
Incident
Jan 15, 2022
AirbagsBrakesExterior lighting
Filed Feb 17, 2019

TAKATA INFLATORS : THE SRS LIGHT IS CONTINUOUSLY STAYING ON IN THE VEHICLE. AS SOON AS THE VEHICLE IS STARTED THE LIGHT COMES ON AND DOES NOT GO OFF UNTIL THE VEHICLE GOES BACK OFF.

NHTSA ID
11180702
Incident
Jan 2, 2019
Mileage
100,000 mi
Driver assistanceSuspension
Filed Nov 19, 2018

I AM HAVING ISSUES WITH MY SUSPENSION. I'VE HAD TO REPLACE IT TWICE IN 1 YEAR. A RECALL SHOULD BE ISSUED ON THIS.

NHTSA ID
11152539
Incident
Sep 15, 2018
Mileage
126,000 mi
Suspension
Filed Feb 22, 2018

I PURCHASED MY MB GL450 IN 2010 AND AT THAT TIME IT WAS COVERED AS A PRE-OWNED MB VEHICLE. UNDER THE WARRANTY, I HAD THE AIR RIDE SUSPENSION FIXED TWICE. ONCE ON FRONT LEFT AND RIGHT. AFTER THE WARRANT EXPIRED, I HAVE HAD TO DO BOTH SIDES OF MY SUSPENSION AGAIN. NOW THE FRONT LEFT HAS FAILED AND NEEDS TO BE REPAIRED. I HAVE READ MY BLOGS AND POSTS ABOUT THIS MB SUSPENSION DEFECT AND WANT HOPE THE NHTSA CAN PUSH MB TO ISSUE A RECALL TO FIX THIS FAILED PRODUCT.

NHTSA ID
11074351
Incident
Feb 1, 2018
Mileage
121,000 mi
Airbags
Filed Dec 10, 2017

TAKATA RECALL: STILL NO REMEDY AVAILABLE PER MERCEDES BENZ; FIRST NOTICE RECEIVED 2/2017.

NHTSA ID
11053763
Incident
Feb 1, 2017
Airbags
Filed Dec 7, 2017

THIS COMPLAIN IS ABOUT THE RECALL REPORT AS BELOW FEB 11,2016 MANUFACTURER RECALL NUMBER2016020003 NHTSA RECALL NUMBER16V081 DESCRIPTION: I HAVE NEVER BEEN CONTACTED BY THE MANUFACTURER ABOUT THIS RECALL. APPARENTLY, THE MANUFACTURER HAS FAILED OR IS UNABLE TO REMEDY THIS SAFETY RECALL FOR YOUR VEHICLE IN A TIMELY MANNER.

NHTSA ID
11052967
Incident
Feb 1, 2016
Airbags
Filed Nov 14, 2017

TAKATA RECALL MY VEHICLE IS PART OF THE RECALL AND THERE IS STILL NO FIX FOR MY PROBLEM. THIS IS EXTREMELY DANGEROUS, WE ARE DRIVING WITH A TICKING TIME BOMB.

NHTSA ID
11045927
Incident
Nov 14, 2017
Mileage
10 mi
Airbags
Filed Nov 9, 2017

TAKATA RECALL THE RECALL WAS INSTITUTED FEBRUARY 2016, YET TO DATE THERE HAS BEEN NO REMEDY OFFERED BY THE MANUFACTURER AND NO INDICATION AS TO WHEN THEY WILL BE REPLACING THE AIRBAGS.

NHTSA ID
11044766
Incident
Nov 8, 2017
Airbags
Filed Nov 1, 2017

TAKATA RECALL A RECALL NOTICE WAS ISSUED FOR MY VEHICLE'S (2009 BENZ GL450) AIRBAGS. HOWEVER, TAKATA / MERCEDES BENZ DO NOT HAVE A REMEDY AVAILABLE FOR MY VEHICLE DESPITE THE RECALL DATE BEING MORE THAN 1 YEAR AGO.

NHTSA ID
11042257
Incident
Nov 1, 2017
Mileage
124,000 mi
Filed May 3, 2017

WE HAD TROUBLE TOWING OUR TRAVEL TRAILER, WE LOOKED UNDER OUR CAR AND THE WELD WAS BROKEN ON OUR HITCH. WE TOOK IT TO THE DEALERSHIP AND THEIR INSPECTION CONFIRMED IT WAS A "BAD WELD".THEY WANT US TO PAY $900 TO FIX. THIS IS THE EXACT SAME PROBLEM AND HITCH THAT WAS RECALLED IN 2007 AND 2008, SO MERCEDES CONTINUED TO USE THE SAME HITCH AND WELD IN YEAR 2009 AND NOW IT HAS FAILED AFTER 4 TIMES TOWING. THE RUST ON OUR PICTURE INDICATES THE WELD HAD FAILED MUCH PRIOR TO US REALIZING IT.

NHTSA ID
10983420
Incident
Apr 28, 2017
Mileage
39,000 mi
Airbags
Filed Apr 5, 2017

TL* THE CONTACT OWNS A 2008 MERCEDES BENZ GL450. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V081000 (AIR BAGS) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PART DISTRIBUTION DISCONNECT.

NHTSA ID
10970687
Incident
May 1, 2016
Filed Feb 3, 2017
Crash reported

I WAS DRIVING ON MY WAY HOME FROM WORK TODAY 2/3/2017 AND I WAS MERGING ONTO HIGHWAY WHEN I HEARD A LOUD EXPLOSION. I THEN SAW THAT MY SUNROOF HAD SHATTERED AND WAS BOWED OUT. THERE IS A LARGE HOLE IN THE CENTER OF THE SUNROOF AND THE REST OF THE GLASS IS SPIDERWEBBED. NOTHING HAD HIT MY CAR OR MY SUNROOF. I WAS ONLY GOING ABOUT 15 MPH AS I WAS STILL ON A ON RAMP. IT WAS VERY SCARY AND DANGEROUS. I CALLED MERCEDES WHO IS NO HELP. THEY NEED TO RECALL THIS OR BE HELD RESPONSIBLE. THIS COULD HAVE CAUSED ME TO CRASH OR IF MY SUNROOF COVER WAS OPENED I WOULD HAVE BEEN SHOWERED IN GLASS.

NHTSA ID
10949492
Incident
Feb 3, 2017
Mileage
104,000 mi
Airbags
Filed Feb 3, 2017

TL* TAKATA RECALL. THE CONTACT OWNS A 2009 MERCEDES-BENZ GL450. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V081000 (AIR BAGS) AND STATED THAT THE PART WAS NOT AVAILABLE WITHIN A REASONABLE TIME FRAME TO SCHEDULE THE RECALL REPAIR. THE DEALER DID NOT GIVE A SPECIFIC DATE FOR WHEN THE PART WOULD BECOME AVAILABLE. THE MANUFACTURER COULD NOT PROVIDE AN ESTIMATED DATE FOR WHEN THE CONTACT'S VEHICLE WOULD RECEIVE THE RECALL REPAIR. THE CONTACT WAS NOT EXPERIENCING A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE. UPDATED 05/10/17*LJ UPDATED 10/10/2017*JS

NHTSA ID
10949241
Incident
Jul 25, 2016

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

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