This one has me stumped. I initially thought it was a Studebaker Champion wagon... but it isn't. A 1954 Champion wagon looks like this:
And it's definitely not a Mercedes in spite of the 3 pointed star on the wheels.
EDIT... I figured this one out... a 1955 Chrysler New Yorker Station Wagon just like this one below:
Though the one in Cuba is missing some trim that goes above the headlights, the crest between the two grills and the trim that goes along the side.