@Frederic indeed an important topic for discussion for all Pajero owners 😅
I drive 3.5 LWB 2016 90k km and changing transmission oil regularly as per the maintenance table and usually drive on the D mode. I Faced the transmission overheat more than one time even in early morning drives in winter, so lately replaced the transmission oil cooler with a bigger one and installed an auxiliary fan with a separate switch and so far it performs well. My last drive was last week with no transmission overheating after 4 hrs driving at 34c temperature with multiple stucks 😂😂😂