They originally had a claret livery, which was an exception at that time (most other SBB-CFF-FFS vehicles had the same green livery). They got the nickname "Golden Coast Express" ("Goldküstenexpress"), due to their service on the Golden Coast (which is the northern waterside of the lake of Zurich, known for its high land prices, thus attracting mainly wealthy levels of the population).
They initially had a crimson color scheme, which was unusual at that time (most other SBB-CFF-FFS vehicles had the same green livery). They earned the nickname "Golden Coast Express" ("Goldküstenexpress"), due to their service on the Golden Coast (which is the northern waterside of Lake Zurich, known for its high land prices, thus attracting mainly wealthy levels of the population).