Brabus B63 620 Widestar puts Mercedes-Benz AMG sibling in the rearview
June 5, 2013
Bigger, badder, and bolder appears to be the driving mandate behind the latest performance trickery from the extreme artists at Brabus. Taking the already aggressive Mercedes-Benz GL 63 AMG SUV, Brabus has transformed the biggest of the Benz into a 611 horsepowered behemoth called the B63 620 Widestar.
Brabus’ B63 620 Widestar conversion makes an already large piece of German engineering even bigger. With wider haunches and various aero add-ons, the 620 Widestar is now 3.1 inches (76.2 mm) wider than the GL 63 AMG. This girth adjustment is not only for aesthetic purposes, as it helps properly fit out custom 23 inch forged aluminum wheels and performances rubbers measuring 305/30 R 23.
At 5,500 pounds (2,495 kg) and 16.9 feet long (5.2 m) the stock GL AMG 63’s dimensions are Titanically extreme. These larger figures are the reason why Brabus felt the need to up the existing 5.5 liter Biturbo V8s output from 557 hp (410 kW) to 620 hp (456.3 kW). This power increase is brought about thanks to the 620 PowerXtra module, a plug-and-play device providing new injection and ignition mapping and an increase in boost pressure to the twin-turbochargers.
That 60 hp increase, and torque improvements to the tune of 604 lb.ft (820 Nm) – up from 560 lb.ft (760 Nm) – means the big Brabus can now get to 62 mph (100 km/h) in only 4.7 seconds. This sub-five second acceleration time makes the wideloaded Widestar just a tick slower than its CLS AMG 63 sibling.
But with a top speed of 174 mph (280 km/h), drivers will need all the help they can get in managing the 620 Widestar. In racing it’s all about "managing weight" as they say, or as the formula goes "momentum = mass x velocity." Brabus has worked to minimize this formulaic problem with an updated front fascia that improves air venting to the brakes and reduces front end lift. Additionally, Brabus has outfitted the Widestar with 6-piston calipers up front (4 pistons out back) that ever-so-gently reign in the momentum via very large cross-drilled/vented disc brakes.
At just over six feet tall (1.83 meters), the 620 Widestar is about as aerodynamic as a two-layered cinder block. To reduce this lackluster coefficient of drag, Brabus has calibrated the Airmatic air suspension to lower the ride height by roughly 1.2 inches (30 mm). This height reduction not only enhances the Widestar’s aerodynamics but improves handling thanks to a lowered center of gravity. Furthering aerodynamic functionality, the big Brabus receives a more aggressive rear spoiler up top while a revised diffuser helps smooth out poodle height turbulence underneath.
Where the 620 Widestar's mechanical and exterior accoutrements receive the bulk of the Brabus editing, the interior still manages to secure a few interesting upgrades. The interior retains its luxury-performance styling thanks to Mercedes but stuff like stainless steel scuff plates, a 320 km/h (200 mph) speedometer, aluminum pedals and Brabus shift paddles nicely complement out the B63’s Mastik and Alcantara leather finishes.
Pricing and option load out for the Brabus B63 620 Widestar is available through Brabus.
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