The Mercedes-Benz C63 AMG Coupe Black Series whole lotta car. Not only is the name a mouthful, but the 510-horsepower German rocket can be a handful too, well, in the wrong hands. This wouldn't be the first time we've seen techs or valets getting their kicks behind the wheel of a vehicle that doesn't belong to them, but it seems some employees at one Ottawa-area dealer didn't get the memo. Our tipster claims that a couple rogue techs at a dealership called Star Motors (formerly Carling Motors) decided to take out one of the 30 existing Black Series in Canada for a joyride. For over eight minutes they negotiate the streets of Ottawa near the Hunt Club Road dealership, breaking all kinds of laws, risking property and injury in the process. The police would gladly impound this Black Series for some of these speeds, and MB enthusiasts would gladly slap these guys in the face for redlining the motor for so long. Why any tech would post this on YouTube is beyond us, as they're are only asking to be fired.
The Mercedes-Benz specialists at Renntech have turned their expertise to the S63 AMG Coupe and created a menacing luxury vehicle with a dyno-verified 588 horsepower at the wheels. The matte black paint, dark emblems, and the firm’s prototype decklid spoiler combine to give the big two-door the look of a stealth jet ready for takeoff. In stock form, the S63 AMG Coupe's 5.5-liter biturbo V8 makes an already plentiful 577 horsepower and 664 pound-feet of torque. Renntech then adds an ECU upgrade that takes the output to a claimed 669 hp and 734 lb-ft. The tuner’s downpipes with 200-cell catalytic converters add another 10 hp and 15 lb-ft. After installing sport mufflers with electronic valves and tuning all the parts to work together, Renntech reports its S63 makes 708 hp and 839 lb-ft at the crank. The company’s numbers are nothing without verification, though, and Renntech has the dyno figures to back up its claims. A stock S63 AMG Coupe made 445 hp and 489 lb-ft at the wheels. After the tuners installed their parts, the stats jumped significantly to 588 hp and 697 lb-ft. Getting so much additional power out of the S63 AMG Coupe isn’t cheap, though. 4,940 more. If you have that much cash to spend, paint your coupe matte black like this one for some extra style to go with the additional speed.
The Citaro sets the standard for environmental awareness, economy, safety and comfort, and as a test vehicle it reveals the major contribution that state-of-the-art, superb-quality buses can make to urban public transport today. The three-door rigid bus with vertically mounted engine offers a unique mix of features, from compliance with the Euro VI exhaust emissions standard to the ESP electronic stability program. This Citaro is powered with the new OM 936 in-line six-cylinder engine with displacement of 7.7 litres, a power rating of 220 kW (299 hp) and a maximum torque of 1200 Nm. It already meets the Euro VI exhaust emissions standard. Power is transferred by the ZF Ecolife six-speed automatic transmission system. 5.77. This is almost ten percent longer than in the Citaro with the previous engine, which lowers engine speed and therefore fuel consumption, CO2 emissions and noise levels. The outstanding fuel economy of the new Citaro will be based on the recuperation module (24 volts).
The process for achieving fuel savings in the regular-service bus is as follows: the free electricity generated during the overrun phase is stored and used to operate the vehicle’s electrical accessories. This reduces the load on the drivetrain and lowers fuel consumption. The energy storage function is performed by “supercaps”, double-layer capacitors with a power rating of 6 kW and a capacitance of 1 Ah. This process alone reduces the Citaro’s fuel consumption and CO2 emissions by more than two percent. The Citaro also offers an exemplary level of safety. The vehicle is fitted with the ESP electronic stability program, the only low-floor bus to have this feature. The ESP package also includes acceleration skid control. The Citaro chassis combines attributes of comfort and safety, with individual wheel suspension on the front axle, anti-roll bars on both axles, and electronically operated level control. The integrated roll-and-pitch control system (another equipment option) limits bodywork movements while the vehicle is under way and increases passenger comfort.
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