What are some of the mercedes benz gl500 problems?

If you want to know some of the problems with the Mercedes Benz GL550, this is the place to be. One of the problems with this vehicle is the transmission drive selector module is prone to fail. To be more specific, when the transmission drive selector module fails, the driver is not able to select gear while driving. To fix this issue, the module would have to be replaced. Another issue with this vehicle is an oil leak behind the cylinder heads. The plastic expansion plugs on the cylinder are known to be faulty and will cause the oil to leak from the cylinder heads. To fix them, you'd have to replace the plugs so that the oil will stop leaking.