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2007 Mercedes Benz GL450

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

101 reports with mileage · 14 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Seats. Review the 39 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 27 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

5 crash reports33 fire reports14 injury reports

What owners actually said

115 reports
100,000 miles · Feb 11, 2015
SeatsFire

WE HAD LEFT THE HOME - DROVE APPROXIMATELY 3 MINUTES AT 20 MILES AN HOUR WITH THE SEAT HEATER ON. ALL OF A SUDDEN THE SEAT STARTED TO SMOKE - IT HAD CAUGHT FIRE. WE HAD A BABY IN THE CAR, WERE TRAVELING DOWN A MOUNTAIN ROAD IN ASPEN. WE PULLED OVER TO THE SIDE OF THE ROAD AND THANKFULLY WERE ABLE TO PUT THE FIRE OUT WITH S…

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WE HAD LEFT THE HOME - DROVE APPROXIMATELY 3 MINUTES AT 20 MILES AN HOUR WITH THE SEAT HEATER ON. ALL OF A SUDDEN THE SEAT STARTED TO SMOKE - IT HAD CAUGHT FIRE. WE HAD A BABY IN THE CAR, WERE TRAVELING DOWN A MOUNTAIN ROAD IN ASPEN. WE PULLED OVER TO THE SIDE OF THE ROAD AND THANKFULLY WERE ABLE TO PUT THE FIRE OUT WITH SNOW FROM A SNOW BANK (WHAT WOULD HAVE HAPPENED IF IT WAS IN THE SUMMER?). THERE IS A BIG HOLE IN OUR CAR SEAT NOW AND OBVIOUSLY - WE ARE NOT ABLE TO USE THE SEAT HEATERS. I SEE FROM THE REPORTS HERE THAT THIS HAS HAPPENED MANY TIMES WITH THE SAME VEHICLE -- THERE SHOULD BE A RECALL DONE FOR THIS ISSUE ON THIS VEHICLE AS SOMEONE MAY BE INJURED SEVERELY IN THE FUTURE. *TR

NHTSA ODI #10682722

106,000 miles · Dec 8, 2014
Electrical SystemSeatsFireInjury

I WAS DRIVING MY FAMILY TO AN AFTERNOON LUNCH ON THE 5TH OF DECEMBER, 2014, THE DAY WAS CHILLY AND IT WAS A GOOD TIME TO HAVE THE HEATED SEATS ON... AFTER ABOUT 10 MINUTES OF DRIVING I NOTICED A BURNING SMELL AND THOUGHT IT WAS SOMETHING IN THE AREA (IT WAS ACTUALLY MY SEAT LIGHTING ME ON FIRE), NEEDLESS TO SAY THE SMELL CONTINU…

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I WAS DRIVING MY FAMILY TO AN AFTERNOON LUNCH ON THE 5TH OF DECEMBER, 2014, THE DAY WAS CHILLY AND IT WAS A GOOD TIME TO HAVE THE HEATED SEATS ON... AFTER ABOUT 10 MINUTES OF DRIVING I NOTICED A BURNING SMELL AND THOUGHT IT WAS SOMETHING IN THE AREA (IT WAS ACTUALLY MY SEAT LIGHTING ME ON FIRE), NEEDLESS TO SAY THE SMELL CONTINUED TO GET WORSE AND I KNEW SOMETHING WAS WRONG. I LOOKED FOR A SAFE AREA TO PULL OVER AND IDENTIFY THE SOURCE OF THE SMELL, BEFORE I WAS ABLE TO GET OFF THE ROAD MY SIDE STARTED SMOKING AND LIT ON FIRE. I FRANTICALLY PULLED OFF THE ROAD AND JUMPED OUT. I THEN PROCEEDED TO RIP OF MY JACKET AND PUT OUT THE SMOLDERING SECTION OF IT. AFTER THAT I NOTICED THE CAR WAS STILL SMOKING ON THE LEFT SIDE OF THE DRIVERS SEAT ABOUT TO GO UP IN FLAMES, AT THIS TIME MY WIFE WAS PULLING OUR 2 YEAR OLD TWINS OUT OF THE VEHICLE I GOT BACK TO THE CAR TO TURN IT OFF AND EXTINGUISH THE FIRE. ONCE I WAS ABLE TO DIAGNOSE THE SCENE I FOUND THE HEATED SEAT HAD MALFUNCTIONED IN SOME MANNER AND BURNED A NICE HOLE IN THE SEAT WHICH IN RETURN LIT MY JACKET ON FIRE. I WILL GET IT INTO THE SHOP TO HAVE THE FUSE TAKEN OUT AND MAKE THE HEATED SEATS INOPERABLE NOT TAKING ANY CHANCES. *TR

NHTSA ODI #10662961

115,900 miles · Dec 4, 2014
Electrical SystemSeats

AFTER STARTING VEHICLE AND TURNING ON SEAT WARMERS, THE CAR SMELLED OF A BURNING SMELL AND I FELT A VERY HOT SPOT ON MY BACK. I TURNED OFF THE SEAT WARMERS TO FIND A HOLE BURNED INTO THE LEATHER. ALL OCCURRED ON THE DRIVER'S SIDE OF 2007 MB GL-450.

NHTSA ODI #10734182

96,000 miles · Dec 3, 2014
SeatsFireInjury

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ GL450. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 70 MPH, THE SEAT HEATER WAS ACTIVATED AND THE DRIVERS SIDE SEAT CAUGHT ON FIRE. THE CONTACT SUSTAINED MINOR INJURIES TO THE LOWER BACK AND HIP WHICH DID NOT REQUIRE MEDICAL ATTENTION. A POLICE REPORT WAS NOT FILED. THE DEALER WAS…

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TL* THE CONTACT OWNS A 2007 MERCEDES BENZ GL450. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 70 MPH, THE SEAT HEATER WAS ACTIVATED AND THE DRIVERS SIDE SEAT CAUGHT ON FIRE. THE CONTACT SUSTAINED MINOR INJURIES TO THE LOWER BACK AND HIP WHICH DID NOT REQUIRE MEDICAL ATTENTION. A POLICE REPORT WAS NOT FILED. THE DEALER WAS MADE AWARE OF THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE PROBLEM. THE FAILURE MILEAGE WAS 96,000. THE VIN WAS NOT AVAILABLE. PAM UPDATED 4/30/15*CN THE CONSUMER STATED THE MANUFACTURER AGREED TO REPAIR THE VEHICLE IF THE CONSUMER DID NOT FILE A COMPLAINT WITH THE DEPARTMENT OF TRANSPORTATION. UPDATED 10/23/2015 *JS

NHTSA ODI #10662794

107,260 miles · Nov 17, 2014
Electrical SystemSeatsFire

I WAS IN MY 2007 MERCEDES GL450 AND HAD DRIVEN APPROX. 2 MILES WITH MY FRONT DRIVER'S SEAT HEATER ON. I STARTED TO NOTICE A STRANGE SMELL AND SUDDENLY THE CABIN WAS STARTING TO FILL UP WITH SMOKE. I IMMEDIATELY STOPPED THE VEHICLE AND DISCOVERED THE LEFT SIDE OF THE BACK OF MY FRONT DRIVERS SEAT WAS ON FIRE. SNOW WAS ON THE GROU…

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I WAS IN MY 2007 MERCEDES GL450 AND HAD DRIVEN APPROX. 2 MILES WITH MY FRONT DRIVER'S SEAT HEATER ON. I STARTED TO NOTICE A STRANGE SMELL AND SUDDENLY THE CABIN WAS STARTING TO FILL UP WITH SMOKE. I IMMEDIATELY STOPPED THE VEHICLE AND DISCOVERED THE LEFT SIDE OF THE BACK OF MY FRONT DRIVERS SEAT WAS ON FIRE. SNOW WAS ON THE GROUND SO I SCOOPED UP SNOW TO PACK IN THE FIRE/HOT SPOT WHICH HAD BURNED A LARGE HOLE THROUGH THE VINYL AND INSIDE PADDING MATERIAL. I LATER NOTICED THAT MY JACKET HAD BURN MARKS AND A HOLE IN THE EXACT LOCATION OF THE POINT OF THE FIRE. *TR

NHTSA ODI #10658757

68,690 miles · Nov 5, 2014
SeatsFireInjury

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ GL450. THE CONTACT STATED WHILE DRIVING AT AN UNKNOWN SPEED, THE SEAT HEATERS OVER HEATED CAUSING THE DRIVER'S SEAT TO CATCH ON FIRE. THE CONTACT SUFFERED FROM BURNS. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF T…

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TL* THE CONTACT OWNS A 2007 MERCEDES BENZ GL450. THE CONTACT STATED WHILE DRIVING AT AN UNKNOWN SPEED, THE SEAT HEATERS OVER HEATED CAUSING THE DRIVER'S SEAT TO CATCH ON FIRE. THE CONTACT SUFFERED FROM BURNS. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 68,690.

NHTSA ODI #10652802

70,000 miles · Oct 7, 2014
EngineSteering

I HAD JUST STARTED DRIVING DOWN THE ROAD 2 MILES AND GOING AROUND 25-30 MPH AND THE CAR SHUT OFF AND THE STEERING WHEEL LOCKED. THERE WAS CARS BEHIND ME AND I WAS ABLE TO PUT MY HAZARDS ON. THANKFULLY CARS WERE COMING UP TO STOP SIGN SO I WAS ABLE TO STEER OFF ROAD. STARTED CAR UP AND DROVE A LITTLE FURTHER AND CAR SHUT DOWN AG…

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I HAD JUST STARTED DRIVING DOWN THE ROAD 2 MILES AND GOING AROUND 25-30 MPH AND THE CAR SHUT OFF AND THE STEERING WHEEL LOCKED. THERE WAS CARS BEHIND ME AND I WAS ABLE TO PUT MY HAZARDS ON. THANKFULLY CARS WERE COMING UP TO STOP SIGN SO I WAS ABLE TO STEER OFF ROAD. STARTED CAR UP AND DROVE A LITTLE FURTHER AND CAR SHUT DOWN AGAIN AND LOCKED STEERING REPEATED 4 MORE TIMES TIL WAS ABLE TO GET HOME. I WAS GETTING READY TO GET ON FREEWAY WITH MY YOUNG KIDS IN THE CAR COULD HAVE BEEN SO DANGEROUS. *TR

NHTSA ODI #10643079

89,000 miles · Sep 16, 2014
Power Train

PREMATURE TRANSMISSION UP-SHIFT AND REMAINS UNRESPONSIVE TO THROTTLE POSITION. SUSPECTED TRANSMISSION CONDUCTOR PLATE/VALVE FAILURE AS PREVIOUSLY MENTIONED BY OTHERS FOR THIS MODEL YEAR. WHEN WILL MB ACKNOWLEDGE THIS IS A DANGEROUS CONDITION AND ISSUE A RECALL? *TR

NHTSA ODI #10633589

81,000 miles · Jun 20, 2014
Suspension

THERE'S A WHISTLING SOUND ON THE FRONT PASSENGER SIDE. THE VEHICLE WAS RUNNING LOW THAN USUAL AND THERE MESSAGE INDICATOR STATES THAT THERE'S AN FAILURE WITH SUSPENSION. *TR

NHTSA ODI #10604659

110,000 miles · May 27, 2014
Air BagsEquipment Adaptive/mobilitySuspensionCrashInjury

MERCEDES GL450 THE FRONT END STARTED RIDING LOW AFTER DRIVING IT AND WOULD THEN ADJUST ITSELF, WHICH WAS VERY NOTICEABLE NOT THE MINUTE AMOUNT IS SUPPOSED TO DO JUST FOR AERODYNAMICS. THEN IT STARTED OUT LOW FROM A PARKING POSITION AND ONCE ON THE ROAD IT WOULD RAISE A LITTLE TO WHERE IT WAS DRIVABLE THAT WENT ON FOR TWO DAYS I …

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MERCEDES GL450 THE FRONT END STARTED RIDING LOW AFTER DRIVING IT AND WOULD THEN ADJUST ITSELF, WHICH WAS VERY NOTICEABLE NOT THE MINUTE AMOUNT IS SUPPOSED TO DO JUST FOR AERODYNAMICS. THEN IT STARTED OUT LOW FROM A PARKING POSITION AND ONCE ON THE ROAD IT WOULD RAISE A LITTLE TO WHERE IT WAS DRIVABLE THAT WENT ON FOR TWO DAYS I HAD AN APPOINTMENT TO GET IT INSPECTED AND ON THE THIRD DAY THE FRONT END JUST LOWERED ITSELF AND THE WHOLE CAR WAS VERY UNSTABLE JUMPED UP AND DOWN BECAUSE OF TBE GREAT DIFFERENCE BETWEEN THE FRONT AND BACK I WAS DRIVING ON A ONE LANE ROAD ON A MOUNTAINOUS REGION WHICH IS WHERE I LIVE AND HAD NOWHERE TO PULL OVER. I MADE IT AFTER DRIVING AT 30 MPH ON A 45 MPH ZONE, FRONT AIR SUSPENSION STRUTS THAT WERE LEAKING AND TOLD ME THIS CAR WAS NOTORIOUS FOR THIS PROBLEM. I NEED YOU TO PLEASE LOOK INTO THIS O BELIEVE IT IS A HAZARDOUS DANGEROUS PROBLEM WITH THIS VEHICLE! *TR

NHTSA ODI #10594155

Official recalls

2

24V298000 · Service Brakes, Hydraulic:power Assist:vacuum

Apr 26, 2024

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML, GL, and R-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.

Consequence & remedy

Consequence: Reduced brake performance or brake failure can increase the risk of a crash.

Remedy: Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster. All repairs will be performed free of charge. Owner notification letters were mailed on May 24, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MMUSA's number for this recall is 2024050001/2. This recall is an expansion of previous recall number 22V-315.

22V315000 · Service Brakes, Hydraulic:power Assist:vacuum

May 9, 2022

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML-Class, GL-Class, and R-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.

Consequence & remedy

Consequence: Reduced brake performance or brake failure can increase the risk of a crash.

Remedy: Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster. All repairs will be performed free of charge. Owner notification letters were mailed June 30, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers for this recall are 2022050014, 2022050015 2022090006, & 2022090007.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.