And I found a few examples like
So in terms of realistic height scaling, BattleMechs being between 12 to 18 Meters in height, with weapons and equipment can add up to 100 tons total, does not seem unrealistic. For any curious here is a list of other small statues.
So what should be done at some point is redoing a few cockpits here and there. With the Commando and Atlas, being the top two that are most off, and should make more use of the Head in a different manner.
For example, the Commando should have the visor centered and have the cockpit centered in the middle of the head.
The Atlas should also have the Cockpit centered and make use of a flat digital screen, then the existing eyes would be more the lower sides of the cockpit and could likely be below the level of the control panels that the mechwarrior can access.