New to MB gas models, Does the 300SE use high octane like the 420 and 560?

Anybody have any good Pros and cons to a 300SE while we are at it? Im hoping to look at one tomorrow.

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15 Jetta TDI:
01 Golf TDI: 265k RIP 2/4/15
85 300TD: 233k- sold
84 300DT: 228k- sold
90 300SE: 148k-sold