Mercedes-Benz introduced its new range of medium-sized, S-Class models at Frankfurt in 1979, there being no fewer than seven models with the new W126 body style. Launched at the Frankfurt Auto Show in 1985, the 420SEC coupé was an addition to the W126 line-up and replaced the 380SEC that had been around since 1981. The new model retained its predecessor's bodyshell virtually unchanged while boasting an enlarged (to 4,196cc) and improved version of the existing 3.8-litre overhead-cam 'low pollution' Type M116 V8 engine. The running gear followed Mercedes-Benz's established pattern, comprising all-independent suspension and four-wheel disc brakes but there was no longer a choice of transmissions, a four-speed automatic being the only one on offer. With 231bhp on tap, the 420SEC's top speed was well in excess of 130mph. Surely destined to be classics of the future, a mere 3,680 examples of this luxuriously equipped, limited edition model were made between 1985 and 1991. Prior to its acquisition by the current vendor, this rare Mercedes-Benz 420SEC Coupé had enjoyed single family ownership from new, being registered under the family members' various names. Costing over £46,000 when new and commensurately very well specified, it boasts electric 'memory' seats, electrically adjustable steering column, anti-lock brakes, air conditioning, electric sunroof, alloy wheels and an alarm. 'G873 CLK' has covered a guaranteed 118,000 miles from new over the course of the last 22 years and is described by the vendor as in generally excellent condition, benefiting from a recent service and five new tyres (fitted last year). Finished in black with matching interior, the car is offered with current MoT, Swansea V5 registration document and all expired MoT certificates verifying the mileage total. The provision of an immobiliser is the only notified deviation from factory specification.