was to be a successor to the Imperator 108i. It had many advanced and unique features at the time such as two sets of gull-wing doors, a velocity-sensitive electronic chassis that lowers the car at high speeds, and an automatic air brake. The Commendatore 112i could accelerate from 0 to 97 km/h in 4.0 seconds, and had a top speed of . The car had a mid-mounted Mercedes-Benz 6.0 L V12 engine generating and a 6-speed manual transmission. The car weighed . The 112i was featured in the 1997 video game Need for Speed II. Isdera planned a limited production run of the Commendatore 112i like its predecessor and quoted that each car would take six months to complete. The car was not functional when it was introduced. The development of the car reportedly cost a total of €4,000,000. This combined with the ongoing economic recession in South Asia, particularly the bursting of Japan's bubble economy, pushed the company into bankruptcy shortly after the car's introduction as the major investments came from Japan. The company was then bought by Swiss investors under whom Schultz completed the car in order to make it driveable on the road. In 1999, the Commendatore 112i was updated and renamed to "Silver Arrow C112i" by the new management. On the exterior, the updated car had conventional side-view mirrors and had silver five-spoke Mercedes-Benz alloy wheels instead of the gold BBS units. The engine was a 6.9-litre Mercedes-Benz M120 V12 unit, which generated a total of . Interestingly, there was no Isdera badging on the car and it had Mercedes-Benz badging instead. The Silver Arrow C112i was unveiled at the 1999 Frankfurt Motor Show. The Silver Arrow was bought by a Swiss businessman Albert Klöti at a price of €1,500,000 in 2000. Albert kept the car for 5 years after offering it on eBay for sale in October 2005 for US$3,000,000. The car failed to sell at the auction. In 2006, Isdera introduced the Autobahnkurier AK116i, a retro-styled vehicle based on the Mercedes-Benz W126 S-Class and powered by two Mercedes-Benz V8 engines – one for each axle – from the W126 series 500 SE. The resulting powerplant is a 10-litre unit rated at and of torque. The top speed was limit to due to excessive fuel consumption of the massive engine over speeds of . The design which resembled a touring car from the 1930s, was