2017 Mercedes-AMG CLA45 4Matic Tested: Show Me the Boost!

Mercedes-AMG’s CLA45 compact sedan may only work the door at Affalterbach’s internal-combustion madhouse. But with a transverse inline-four engine producing a bonkers 188 horsepower per liter, it makes for one helluva greeter. A host of recent updates have made the CLA45 4Matic—already a serious performer when it debuted for 2014—even stouter for 2017, albeit without much addressing of its underlying issues. READ MORE ››

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