The Mercedes-Benz W114 and W115 are the internal designations Mercedes-Benz used for a generation of front-engine, rear-drive, five-passenger sedans and coupés introduced in 1968, with three-box styling by Paul Bracq — succeeding the W110 models introduced in 1961; and manufactured until model year 1976, when the W123 was released.
[5] Mercedes introduced a coupé variant of the W114 in 1969, featuring a longer boot lid and available with either a 2.5 or 2.8 litre six-cylinder engine.
[6] While a 'hard-top' unlike the fully convertible SL, the pillarless design allowed all the windows to be lowered completely for open air motoring.
)[7] The W114 received a facelift in 1973 – with a lower bonnet-line, lower and broader grill,[2] a single front bumper to replace the double bumpers, lower placement of the headlamps, A-pillar treatment for keeping the side windows clear, removal of the quarter-windows in the front doors, ribbed tail lights to minimize occlusion of the tail lights with road dirt, and larger side mirrors.
The interior received inertia reel belts and a new padded steering wheel with a four-spoke design.
Murtala Ramat Muhammed (1938–1976; head of state of Nigeria July 1975-February 1976) was assassinated while travelling in a 230.6 (W114.617) LWB (long-wheelbase)).
Other innovations in the W114/W115 models include a center console (a first in a Mercedes saloon), and ribbed taillights in 1974, designed to better repel dirt and debris.