In 1971, the CR110 was upgraded and became the CR111. With extended sound-proofing for its time, it was marketed as the "silent bus". The same year, Scania also introduced a new range of longitudally rear-engined coaches known as the CR85 and the CR145. While CR85 had the small 8-litre engine, the CR145 was powered by a 14-litre V8 engine. The coaches were built until 1978, but never sold very well. In 1973, one right-hand drive CR145 prototype was built in Sweden, with the finishing touches done by MCW, but it remained the only one of its kind. The CR111 was replaced by the all-new CR112 in 1978. With its angular design, the CR112 was called a "shoebox". As with the BR112 chassis being renamed the N112, the CR112 was renamed the CN112 in 1984, and it was also launched in an articulated version. A North American version of the CN112 was built in around 250 units between 1984 and 1988. The CK112 was launched as a simple coach or intercity bus in 1986, sharing most of the styling with the CN112. With the launch of the 3-series in 1988, both the CN112 and CK112 were upgraded to CN113 and CK113. The CK113 was replaced by the L113-based CL113 in 1991 with new rectangular headlights, but production ended in 1992. Less than 100 units of the CK112/CK113/CL113 were ever built.