Wagner L119438 Rear Brake Caliper-quickstop Reman Loaded Caliper on 2040-parts.com

Mercedes mbrace tech tracked Boston Marathon bombers

Carjacking a Mercedes-Benz M class proved to be a critical mistake for the alleged Boston Marathon bombers. When the driver escaped and called police, officers were able to track the vehicle using the crossover's factory-installed GPS system. Police decline to give details, but Mercedes-Benz USA confirmed it was contacted April 19 during the hunt for Tamerlan and Dzhokhar Tsarnaev.

Tanner Foust joins Cobb Tuning for Foust Edition Ford Focus ST

Professional wheelman Tanner Foust is teaming up with Cobb Tuning to create the Tanner Foust Edition Ford Focus ST. The car will go on sale later this year. Loosely based on the concept unveiled at the SEMA show in November, the car will be upgraded with a custom ECU calibration -- by Cobb, of course -- and an intercooler, intake, exhaust and suspension components.

EBay exotic: 1974 Alfa Romeo Berlina 2000

I'm a sucker for a four-door Alfa, and this bright red Berlina 2000 posted by our friends at Bring a Trailer has yours truly all aflutter this morning. Formerly owned by an Alfa Romeo employee in the United States, this car shows just a tick less than 89,000 original miles and wears fresh paint as of a few years ago. The seller, himself an Alfisti, claims that the gauges and mechanicals are all in correct working order, and the original factory air conditioning apparently operates as well as it did when new--which likely isn't very well, but still, it makes an interesting conversation piece.