Formerly Saxon Regiment Garde zu Fuss, after the surrender at Pirna in October 1756 the regiment became Prussian IR52 in Magdeburg.
Its first commander was B. S. von Blanckensee followed by Major-General J. F. von Oldenburg from February to July 1757.
There were many desertions from the regiment in the winter of 1756-7.
It took part in the invasion of Bohemia in April 1757. On July 26th the regiment was disbanded at Pirna and the remaining men distributed amongst other Prussian infantry regiments.
[Again the short account is taken from Kronoskaf.]
And this was the uniform in 1756: