you may be able to do the alignment with two laser guns, but, bu

you may be able to do the alignment with two laser guns provided you only want to do front wheel alignment (mb requires 4 wheels hookup so you would need 4 laser guns for mb), but, but, you could only get close to perfect never get to the perfect because - you could attach the laser guns to the tire side walls not the rim surface unless you get the 3-point brackets. bottom line - do not recommend doing it yourself.