Is your R52 an AWD model?
If so you do have one feature R51s (except the LEs) dont have.. a clutch type transer case that allows to all 4 wheels drive on bad weather pavement.
The R51s 4WD system always locks the center, so it cannot be used on pavement even bad weather pavement ( heavy rain , patches of snow etc)
The LEs have the option of running on "auto", which is your default setting when AWD is on.
All other R51s that have 4WD have a "traditional" always-locked center 4WD system.
Also when you replace your tires go with something in an AT rating which will dramatically increase your vehicles abilities, maybe even an inch taller ..
So enjoy your modern R52 Pathy it can do a lot!!!
