The 2013 Mercedes-Benz GL350 Bluetec and the 2013 Lexus GX460 are both luxurious 7 seater family haulers that can certainly go off-road. However that where the similarities end. Under the hood of the Mercedes is a V-6 turbocharged diesel engine while under the hood of the Lexus is a more traditional gasoline powered V-8. Of course we wanted to know not just how well the brand new 2013 Mercedes GL compares to the Lexus when it comes to ride and handling but perhaps more importantly how the Mercedes compares of-road when the going very muddy. You see the Lexus is based on one of Toyota's most off road worthy vehicles...the Land Cruiser. So how did the big Merc do? Check out this off-road Mountain Mash-up Review to find out.