FWIW, there is no downside for 4wd MB vehicles, even if only used on rainy roads. Their capabilities on snow/ice is nothing short of awesome, providing, of course the tires are suitable for the task. The 4-matic system is not only obnoxiously reliable but keeps getting better and better.

MB seems to be moving steadily away from the use of diesels in passenger cars. This is kind of odd given that they frequently hold their value far better than a comparable gasser.

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Toyota is a leader only because their drivers block everyone behind them. Oh what a feeling.