Spy shots reveal completely new 4-door sedan/coupe, a baby CLS, based on the next-generation B-Class and due in 2013/2014.

Here are the first spy shots available of the upcoming 2013 Mercedes Benz BLS - an entirely new 4-door coupe model.

The BLS will be a small, 4-door coupe, a baby CLS, but one that is front-wheel drive and based on the MFA platform shared with the upcoming next-generation A-Class and B-Class models.

The prototype we see here is dressed in a heavy camo but we can make out the basic contours of this compact sedan/coupe.

As this is basically a B-Class sedan, engine options will be shared with that sister model and include a 2.0 liter with 203 PS (149 kW / 200 bhp) and a 2.2 liter diesel with 172 PS (127 kW / 170 bhp).

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