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One Lap of the Web: High plains drifters, Vettel FX and supercars in London

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. YoTtube user Munch997 uploaded eight minutes of supercar glory, filmed on London streets.

Meet the new Mercedes-Benz SL400

This is our first photo of the upcoming Mercedes-Benz SL400 luxury roadster, a model that effectively replaces the SL350 as part of a series of subtle changes brought to the SL lineup. The move aims to goose sales of the luxury roadster two years after it first hit showrooms. The SL400 is powered by Mercedes-Benz's twin-turbocharged 3.0-liter V6 direct-injection gasoline engine unveiled in the E400 early last year.

Vauxhall brings back the Viva! Baby Vaux revives old name

By Tim Pollard Motor Industry 01 September 2014 11:53 The Vauxhall Viva is back! Vauxhall and its continental sister Opel is poised to announce a new small car to slot beneath the Corsa and it’ll revive the historic Viva badge in the UK, CAR understands. The original Vauxhall Viva was popular in the UK through three generations - the HA, HB and HC series - up until its demise in 1979.