The W114/W115 chassis is the SAME chassis. The W114 chassis has more trim, exterior & interior. The W114 chassis was only for 6 cylinder gas cars. The W114 chassis had only 6 models in the USA 2 of them were coupes.
The 1975/76 300D was really a W114 chassis so they gave it the W115.114 designation.
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190E 2.3 16V ITS SCCA race car (sold)
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