Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Mercedes-Benz future products: Small cars to drive growth

Mercedes-Benz's U.S. executives expect to add volume with a new range of front-wheel-drive compact cars that arrive starting in 2013 and new derivatives of the redesigned C class due in 2014 or 2015. Around the world, Mercedes will introduce at least 10 new models by 2020 as part of a plan to become the world's top-selling luxury-vehicle brand by then.

Spy-Shot Bonanza

Below is a collection of reader-submitted spy shots. Frankly, we're stumped as to what these pictures show us, but speculation ranges from a BMW SUV in the first images, to a new BMW 7-series in the next set, to “your guess is as good as ours” for the last vehicle, caught testing in the Czech Republic. Your mission, should you choose to accept it, is to identify as many of the following images and report your guesses in the Comments section below.

Land Rover Defender Harris Tweed (2012) prototype

Here's a curious mix of classic Britishness and modern modifications: a Kahn-tuned Land Rover Defender fitted with a butch bodykit, enormous multispoke wheels and knobbly tyres and - inside -tweed-trimmed bucket seats. It's like a Spitfire wearing a Damien Hurst-penned livery. This is, to give the car its full title, the Kahn Defender Concept 17 Wide Body - Harris Tweed Prototype.