Mercedes Benz Wheel Valve Stem Kit Part # A 001 401 27 13 $9.99 Free Shipping! on 2040-parts.com

Chat live with AutoWeek executive editor Roger Hart on Friday

AutoWeek executive editor Roger Hart will field your questions at 12:30 p.m. on Friday. Roger just got back from the Amelia Island Concours d'Elegance, and he is editor of the CarLife section of the magazine.

It looks like Aston Martin could be getting AMG/Mercedes platforms too

Mercedes/AMG platforms would make the Lagonda SUV a reality We’d been expecting Aston Martin to get access to Mercedes platforms ever since the Lagonda SUV – based on the underpinnings of the Mercedes GL - arrived in all its ‘beauty’ in 2009. The Lagonda SUV was met with wails of anguish from lovers of Aston Martin’s timeless beauty but, despite the horror at the looks of the SUV, the prospect that Aston Martin could be heading down a collaboration route with Mercedes was welcome. It was welcome because without the support of a major car maker – and access to its technology – Aston Martin would have little chance of a bright future; there is no way a minnow like Aston Martin could afford the development cost of new engines and platforms.

One Lap of the Web: A pop quiz at Pub Vauxhall, a Zamboni bed, and the Ferrari 335S

-- How much do you know about old Vauxhalls? Yes, that's right -- it's time to test your knowledge of rebadged, glued-together GM Opels from the House That Alex Wilson and Company Built in that grand British tradition, that of the pub quiz. What made the Senator so cutting-edge?