I believe my friend has one, he sold me a red 115 door pocket from his storage unit. I'll ask him to see.
Would a 115 be the same size or is the 114 (coupe) longer than the sedan?

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'95 E320 Wagon my favorite road car. '99 E300D wolf in sheeps body, '87 300D Sportline suspension, '79 300TD w/ 617.952 engine at 367,750 and counting!