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In 1978, Mercedes-Benz made the decision to expand its efforts in rally competition. But its choice of platform to enter into the World Rally Championship was, to say the least, unique.

At the time, the WRC was dominated by small sedans like the Fiat 131 Abarth and Ford Escort RS1800 — cars that finished first and second in the championship that year. Mercedes-Benz took a decidedly different route, as it had no small sporty sedan.

What it did have was a large, heavy and expensive personal luxury coupe in the C107 SLC. While the choice would seem unnatural, under the direction of Erich Waxenberger the premier 450SLC was prepared and developed over the next few seasons into a rally winner.