The new A-class’ big brother has hit the Nurburgring for shakedown tests, as Mercedes-Benz prepares for the five-door hatch’s launch in January. This car is more than just a long-wheelbase version of the A-class, as its standalone model name – B-class – suggests.
Mercedes originally conceived the B-class as a compact 4x4. However, the concept evolved into this rear-drive ‘Compact Sports Tourer’, a shrunken version of the forthcoming R-class MPV.
Some rugged design cues remain to spell out the differences from A to B: a higher bonnet line and bigger, pentagonal grille, while the disguised headlamp graphics more resemble an edgy update of today’s S-class lights than the slitty A-class’s. Common cues include flared wheelarches and Merc’s new trademark slash along the body.
Under the skin, the B-class adopts a stretched version of the A-class’s overhauled, stiffer sandwich platform, with tilted engine position to channel the lump under the floor in a crash, not into the cabin.
A new rear axle is claimed to boost grip and improve ride quality over the LWB A-class, assisted by adaptive damping which majors on comfort or sportiness depending on the driving conditions. Bigger brakes, speed-sensitive electric power steering, new-generation ESP and up to eight airbags also figure.
Due to be launched in the UK in mid-2005, prices will start at around £15,500. Inside, the B-class promises more rear space than a C-class. High quality materials reflect Merc’s refocus on quality; gadgets include DVD navigation and wheel-mounted controls.
The revised four-cylinder engines yield more power but better economy. The line-up comprises 116bhp 1.7-litre, 136bhp 2.0-litre and 193bhp 2.0-litre turbo petrols, plus 109bhp and 140bhp 2.0-litre diesels. These are mated to five or six-speed manuals, or Merc’s first-ever CVT gearbox, dubbed Autotronic.
The A-class 1.7- and 2.0-litre petrols and 109bhp and 140bhp diesels will be offered, but base 95bhp 1.5 petrol and 82bhp CDI units won’t
Higher bonnet line, more aggressive grille and new headlamps differentiate B-class, but big wheel-arches and body accent line shared with A-class
Extensively updated version of the Mk I A-class platform, with longer wheelbase, new rear axle design and adaptive damping