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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

Seats complaints

39 reports
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62,000 miles · Feb 11, 2014
SeatsFire

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ GL450. THE CONTACT STATED THAT A FIRE ERUPTED FROM THE FRONT PASSENGER'S SEAT. THE CONTACT WAS ABLE TO EXTINGUISH THE FIRE WITH A FIRE EXTINGUISHER. A FIRE REPORT WAS NOT FIELD AND THE FIRE DEPARTMENT WAS NOT CONTACTED. THE VEHICLE WAS NEITHER DIAGNOSED NOR REPAIRED TO DETERMINE THE CAUS…

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TL* THE CONTACT OWNS A 2007 MERCEDES BENZ GL450. THE CONTACT STATED THAT A FIRE ERUPTED FROM THE FRONT PASSENGER'S SEAT. THE CONTACT WAS ABLE TO EXTINGUISH THE FIRE WITH A FIRE EXTINGUISHER. A FIRE REPORT WAS NOT FIELD AND THE FIRE DEPARTMENT WAS NOT CONTACTED. THE VEHICLE WAS NEITHER DIAGNOSED NOR REPAIRED TO DETERMINE THE CAUSE OF THE FIRE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 62,000.

NHTSA ODI #10563880

132,000 miles · Jan 28, 2014
Electrical SystemSeat BeltsSeatsFireInjury

I WAS DRIVING IN MY SON [XXX] TO HIS SCHOOL IN WAYNE NEW JERSEY WITH MY GL 450 SEATS WARMER TURNED ON IN BOTH THE DRIVERS AND PASSENGER SEATS. I STARTED SMELLING SMOKE & THOUGHT IT WAS FROM OUTSIDE. I OPENED MY WINDOW, AND SMOKE STARTED SWIRLING INSIDE MY CAR AND STARTED GETTING THICKER WITHIN MINUTES. I TRY TO SEARCH FOR THE SO…

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I WAS DRIVING IN MY SON [XXX] TO HIS SCHOOL IN WAYNE NEW JERSEY WITH MY GL 450 SEATS WARMER TURNED ON IN BOTH THE DRIVERS AND PASSENGER SEATS. I STARTED SMELLING SMOKE & THOUGHT IT WAS FROM OUTSIDE. I OPENED MY WINDOW, AND SMOKE STARTED SWIRLING INSIDE MY CAR AND STARTED GETTING THICKER WITHIN MINUTES. I TRY TO SEARCH FOR THE SOURCE OF THE STRANGE SMELL - BUT NO OBVIOUS CLUE OBSERVED. WHEN I REACHED MY DESTINATION I NOTICED THAT THE SEAT HAS BURNED A HOLE IN MY SUIT JACKET BACK LEFT SIDE. THE HOLE IN THE CAR IS ON THE LEFT SIDE OF THE DRIVERS SEAT. I HAVE NOT CONTACTED MERCEDES BENZ SERVICE AND WOULD LIKE TO KNOW WHAT I SHOULD DO IF POSSIBLE. I WOULD APPRECIATE DIRECTING ME TO THE APPROPRIATE LINE TO FIX MY SEAT AND ELECTRICAL SYSTEM OF MY JEEP AND GET COMPENSATED FOR MY SUIT DAMAGE ASAP. *TR

NHTSA ODI #10561862

55,000 miles · Nov 18, 2013
Seats

AFTER ABOUT 3 MINUTES OF HAVING MY DRIVER'S SIDE SEAT WARMER ON, WE STARTED TO SMELL BURNING AND THE LEFT SIDE OF MY SEAT GOT VERY HOT, SO I TURNED OFF MY SEAT WARMER. WHEN I GOT OUT OF MY CAR, I NOTICED A BURN HOLE IN MY SWEATSHIRT AND THEN LOOKED AT MY SEAT AND IT HAD A BURN HOLE ON IT ABOUT 1/2-1" IN SIZE. WHAT WOULD HAVE HA…

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AFTER ABOUT 3 MINUTES OF HAVING MY DRIVER'S SIDE SEAT WARMER ON, WE STARTED TO SMELL BURNING AND THE LEFT SIDE OF MY SEAT GOT VERY HOT, SO I TURNED OFF MY SEAT WARMER. WHEN I GOT OUT OF MY CAR, I NOTICED A BURN HOLE IN MY SWEATSHIRT AND THEN LOOKED AT MY SEAT AND IT HAD A BURN HOLE ON IT ABOUT 1/2-1" IN SIZE. WHAT WOULD HAVE HAPPENED IF I DIDN'T TURN IT OFF IF THIS HAPPENED IN ABOUT 3 MINUTES? *TR

NHTSA ODI #10552768

80,000 miles · Oct 8, 2013
SeatsFireInjury

I WAS TAKING MY KIDS TO SCHOOL IN THE MORNING AND IT WAS COLD SO I TURNED ON MY SEAT WARMER AND IN ABOUT 5 MIN. WE STARTED SMELLING SMOKE AND IT WAS COMING FROM MY DOOR SIDE OF THE CAR AND THE SMOKE WAS PRETTY HEAVY, I WAS ALSO FEELING A BURNING SENSATION ON MY LEFT SIDE. I TURN TO TAKE A LOOK AND THE SEAT WAS ON FIRE AND IT CAU…

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I WAS TAKING MY KIDS TO SCHOOL IN THE MORNING AND IT WAS COLD SO I TURNED ON MY SEAT WARMER AND IN ABOUT 5 MIN. WE STARTED SMELLING SMOKE AND IT WAS COMING FROM MY DOOR SIDE OF THE CAR AND THE SMOKE WAS PRETTY HEAVY, I WAS ALSO FEELING A BURNING SENSATION ON MY LEFT SIDE. I TURN TO TAKE A LOOK AND THE SEAT WAS ON FIRE AND IT CAUSED A BURN THROUGH THE SEAT, DAMAGING MY CLOTHING. I TURNED OF THE SEAT WARMER AND STOPPED THE CAR AND TOOK THE KIDS OUT FOR SOME TIME. I WAS TO SCARED TO DRIVE MY CAR FROM THAT POINT ON. I AM IN TALKS WITH THE DEALERSHIP AND THEY WANT TO TAKE PICTURES OF THE SEAT. I HAVE ALSO GOTTEN IN TOUCH WITH MY INSURANCE COMPANY TO SEE IF ANY COVERAGE CAN BE ADDED TO REPLACE MY SEAT. MY CAR HAS ALL ORIGINAL PARTS AND THIS HAS NEVER HAPPENED TO ME BEFORE. *TR

NHTSA ODI #10547266

88,000 miles · Apr 25, 2013
SeatsInjury

I STARTED MY CAR IN THE MORNING AND TURNED ON MY HEATED SEATS AS THE SEATS BEGIN TO WARM UP I STARTED TO SMELL SMOKE I WAS ITCHING ON MY BACK IN THE AREA OF MY FAR ON MY LEFT SIDE AND I NOTICED THAT THE SEAT WAS BURNING I IMMEDIATELY TURNED OFF MY HEATED SEATS AND THEN NOTICED THAT I WAS STUCK TO THE SEAT BECAUSE THE SEAT AT CAU…

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I STARTED MY CAR IN THE MORNING AND TURNED ON MY HEATED SEATS AS THE SEATS BEGIN TO WARM UP I STARTED TO SMELL SMOKE I WAS ITCHING ON MY BACK IN THE AREA OF MY FAR ON MY LEFT SIDE AND I NOTICED THAT THE SEAT WAS BURNING I IMMEDIATELY TURNED OFF MY HEATED SEATS AND THEN NOTICED THAT I WAS STUCK TO THE SEAT BECAUSE THE SEAT AT CAUGHT FIRE THERE WAS AN APPARENT HOLE IN THE LEATHER ON THE LEFT RIGHT SIDE OF MY DRIVER SEAT WHERE IT WAS BURNING. THIS WAS SCARY AND ALARMING BECAUSE I DIDN'T KNOW IF IT WOULD CONTINUE TO IGNITE. *TR

NHTSA ODI #10509622

106,366 miles · Feb 22, 2013
SeatsFire

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ GL450. THE CONTACT STATED THAT AFTER STARTING THE IGNITION, THE FRONT DRIVER'S SIDE HEATED SEAT WAS ACTIVATED AND SUDDENLY THERE WAS A BURNING ODOR WITH SMOKE EMITTING FROM THE SEAT. A SMALL FLAME WAS ALSO VISIBLE. THE CONTACT PERSONALLY EXTINGUISHED THE FIRE. THE VEHICLE HAD NOT BEEN DI…

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TL* THE CONTACT OWNS A 2007 MERCEDES BENZ GL450. THE CONTACT STATED THAT AFTER STARTING THE IGNITION, THE FRONT DRIVER'S SIDE HEATED SEAT WAS ACTIVATED AND SUDDENLY THERE WAS A BURNING ODOR WITH SMOKE EMITTING FROM THE SEAT. A SMALL FLAME WAS ALSO VISIBLE. THE CONTACT PERSONALLY EXTINGUISHED THE FIRE. THE VEHICLE HAD NOT BEEN DIAGNOSED. THE MANUFACTURER WAS NOT NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 106,366. *TR

NHTSA ODI #10499649

69,300 miles · Jan 11, 2013
SeatsFire

DRIVERS SIDE SEAT HEATER BURNED THROUGH SEAT CAUSING SMOKE AND HOLE. *TR

NHTSA ODI #10492291

80,000 miles · Dec 20, 2012
SeatsFireInjury

TL* THE CONTACT OWNS A 2007 MERCEDES GL450. THE CONTACT STATED THAT WHILE ATTEMPTING TO ENTER THE FREEWAY, THE VEHICLE EMITTED A STRONG BURNING ODOR FROM THE DRIVER'S SEAT. THE CONTACT THEN FELT HER SKIN BURNING. THE CONTACT COASTED ONTO THE SHOULDER AND DISCOVERED THAT HER CLOTHING WAS BURNED AND THE DRIVER'S SEAT WAS EMITTING …

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TL* THE CONTACT OWNS A 2007 MERCEDES GL450. THE CONTACT STATED THAT WHILE ATTEMPTING TO ENTER THE FREEWAY, THE VEHICLE EMITTED A STRONG BURNING ODOR FROM THE DRIVER'S SEAT. THE CONTACT THEN FELT HER SKIN BURNING. THE CONTACT COASTED ONTO THE SHOULDER AND DISCOVERED THAT HER CLOTHING WAS BURNED AND THE DRIVER'S SEAT WAS EMITTING SMOKE. THE VEHICLE WAS TAKEN TO THE DEALER. THE DEALER DID NOT INSPECT THE VEHICLE AND THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE AND CURRENT MILEAGE WAS 80,000.

NHTSA ODI #10489393

44,396 miles · Feb 15, 2012
Electrical SystemSeatsFire

DRIVER SIDE SEAT CAUGHT FIRE AFTER HEATED SEAT BUTTON DEPRESSED ON THE DASH. APPROXIMATELY THREE MINUTES HAD ELAPSED WHEN SEAT BEGAN TO SMOKE. THE SMOKE CONTINUED AS THE SEAT CAUGHT FIRE ON THE FRONT LEFT PANEL OF THE BACK PORTION OF THE SEAT. THE FIRE PROJECTED THROUGH THE SEAT, BURNING A HOLE THROUGH THE SEAT ABOUT TWO INCHES …

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DRIVER SIDE SEAT CAUGHT FIRE AFTER HEATED SEAT BUTTON DEPRESSED ON THE DASH. APPROXIMATELY THREE MINUTES HAD ELAPSED WHEN SEAT BEGAN TO SMOKE. THE SMOKE CONTINUED AS THE SEAT CAUGHT FIRE ON THE FRONT LEFT PANEL OF THE BACK PORTION OF THE SEAT. THE FIRE PROJECTED THROUGH THE SEAT, BURNING A HOLE THROUGH THE SEAT ABOUT TWO INCHES IN DIAMETER. DRIVER'S SWEATER WAS SINGED BY THE FLAME. *TR

NHTSA ODI #10448071

57,000 miles · Oct 24, 2011
SeatsFire

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ GL450. THE CONTACT STATED WHILE DRIVING THE INTERIOR OF THE VEHICLE EXHIBIT A STRONG PLASTIC ODOR AND THE DRIVERS SEAT RELEASED SMOKE. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND THE CURRENT MILEAGE WAS 57,000.

NHTSA ODI #10432541

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.