One problem related to hatchback/liftgate lock has been reported for the 2014 Mercedes Benz GL450. The most recently reported issues are listed below.
The contact owns a 2014 mercedes-benz Gl450. The contact stated while the vehicle was stationary, she noticed moisture inside the vehicle. The contact stated that the vehicle filled up with water while it was raining. The contact took the vehicle to an independent mechanic, who stated that the rear hatch was faulty and allowed water to enter the vehicle, but no leaks were found. The independent mechanic had to replace the rubber casing on the rear door hatch, the electrical wiring, and replace the floor carpet. The vehicle was repaired. The contact called the local dealer and made them aware of the failure. The manufacturer had not been informed of the failure. The failure mileage was 124,315.