4.1

definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
28,943 miles

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problem #7

Sep 212022

GL450

  • miles
The engine failed under 100k miles after being properly maintained according to the manufactures guidelines.

- Queens Village, NY, USA

problem #6

Jul 142022

GL450

  • miles
2013 Mercedes-Benz GL450; it started with the activation of the vehicle's check - engine light. The Mercedes-Benz service advisor diagnosed the issue as oil intrusion into the vehicle's engine wiring harness. The estimated cost to repair was quoted as $7,0000. This resulted in the replacement of the engine wiring harness, four (4) Lambda sensors, four (4) camshaft hall sensors and four (4) camshaft solenoids. This trouble could cause engine failure or misfire if not corrected. Driving the MB GL450 in this condition is a safety issues for anyone driving on the road. Researching on the internet about MB GL450/550 engine oil intrusion into the engine wiring harness is a common problem.

- Stonecrest, GA, USA

problem #5

Jul 042019

GL450

  • 100,000 miles
This car has lot of issues with water pump, radiator leak, lot of engine problems. Oil leak it's got less than 100,000 miles. Radiator hoses leak. Car stopped on mass pike going to albany, NY took it to Benz of albany they said engine misfires needs engine replacement and it would cost $47,000 to replace. Very very bad engines. I left a voicemail on Benz customer service and no one called back or send me any type of recalls. Very bad service.

- Seymour, CT, USA

problem #4

Dec 112018

GL450

  • 58,000 miles
Engine harness wires contamination in me, cause sensors damage and engine problems to start up right normal dealer want to charge me 14K for service and repair, every time I start the car it sounds like it take time to start and I get the check engine evertime I start the car

- Valley Stream, NY, USA

problem #3

Jun 142015

GL450 8-cyl

  • 37,000 miles
The contact owns a 2012 (na) Mercedes Benz GL450. While driving at 40 mph through a puddle, the vehicle stalled without warning. The contact was able to merge to the side of the road, where the vehicle eventually turned off. The contact stated that the failure recurred intermittently. In addition, the vehicle failed to recognize the key and took several attempts to start the vehicle. The vehicle was taken to the dealer. The technician was unable to duplicate the failure. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 37,000....updated 09/28/15

- New Hope, PA, USA

problem #2

Mar 272013

GL450

  • 3,000 miles
Car stalled while driving. Problem reported to you, before! they sent me to three dealer, all they did was routine checks and did not admit to problem. This is exactly like GM key problem. Why didn't you survey this issue and get a recall?!!

- Vienna, VA, USA

problem #1

Jun 052013

GL450 8-cyl

  • 4,600 miles
This is to report an event happened more than once before. The car engine syo suddently while traveling on highway at speed and must have the car pull over to the side of highway to restart again!!!

- Vienna, VA, USA