The Sechzylinder series came out 1959 and covered the models 220 b, 220 self-service, 220 SEb and starting from 1965 the 230 S. the engines of the sedans were all row six cylinder with 95 to 120 HP: 220 b with 95 HP, 220 self-service with 105 HP, 220 S with 110 HP, 220 SE and 230 S with 120 HP. The final model 230 S did without the complex fuel injection system with the two-stamp pump and two three-fold distributors. It reached instead the increased output of 10 HP in relation to the otherwise to a large extent same carburetor model 220 S with a capacity increase on 2,3 litres.
The b in the type designation 220 b or 220 self-service set the tail fin series off starting from 1959 from the type-named-same predecessor models the so-called "pontoon "- series.
There were still two further tail fin series beside the Mercedes Benz W111: on the one hand "the small "Mercedes Benz W110, which exhibited a shorter porch, as well as the air-fitted with springs Mercedes Benz W112 of the type 300 SE, to which, equipped with the basis engine of the and pneumatic cushioning the Topmodell "of the fins "represented. This 300er reserved also the variant "300 SE optionally extended by 10 cm was long", which is to be found expressed rare.
In the series W111 and W112 were arranged beside the four-door vehicles ("tail fins "- sedans) also the and Cabrios: in flatter Design, with rounded, only Finns recognizable in the beginning.
As W111 there were it at first with the same technology of the sedan model 220 SE as 220 SECONDS and Cabrio). However the was a full-coming new development, so that hardly some of the sedan could be used. This led also to the nearly twice as high purchase price of the Starting from 1965 then the models came 250 SECONDS with 150 HP, with the engines of the series W108/109 as well as with the introduction of the disc brake at the rear axle. Starting from 1967 they were built as 280 SECONDS with 160 HP. The point motorizing was ...