Mercedes Benz W126 560SEC AMG 6.0 Wide body

Car producer : 

Mercedes Benz

Model:

W126 560SEC AMG 6.0 Wide body

Year:

1987-1991

Type:

Coupe



The Mercedes-Benz W126 is a series of passenger cars made by Daimler-Benz AG. It was marketed as the second generation of the Mercedes-Benz S-Class, and manufactured in sedan/saloon (1979–1991) as well as coupé (1981–1990) models, succeeding the company's W116 range. Mercedes-Benz introduced the 2-door C126 coupé model, marketed as the SEC, in September 1981. This generation was the first S-Class to have separate chassis codes for standard and long wheelbases (W126 and V126) and for coupé (C126).

The long 12-year production (1979–1991) resulted in 818,063 sedans/saloons and 74,060 coupés being built, totaling 892,123. W126 is so far the most successful and the longest in production for S-Class.

The W126 design team, led by Mercedes-Benz's chief designer Bruno Sacco, aimed to design a more aerodynamic shape and retain the unmistakable S-Class design elements. The aerodynamic drag was reduced through lengthy wind tunnel testing and reshaping of front end and bumper along with hiding the wipers underneath the hood/bonnet for smoother flow. Reducing the weight was accomplished by extensive use of high-strength low-alloy (HSLA) sheet and polyurethane deformable material for bumpers and side claddings. The lighter alloy material was used for the heavily revised M116/M117 V8 engines for the reduced weight. Both had contributed to the reduction of fuel consumption by 10% as compared to its predecessor.

After six years of development, the W126 was introduced at the IAA Frankfurt in September 1979. At the introduction, S-Class was available in two wheelbase lengths (standard and long) and three petrol engine options with one six-cylinder inline engine and two V8 engines. The diesel engine option was introduced in September 1981 exclusively for the North American market.

At the 1981 IAA Frankfurt, a coupé version of S-Class, C126, was introduced with 380 SEC and 500 SEC. It was the first time that a coupé version was derived from S-Class chassis. However, the styling was different between the two, making it the first time that the coupé had distinct styling, later evolving into CL-Class. At the same time, the "Energiekonzept" (Energy Concept) was introduced to improve the fuel efficiency of S-Class through engine revisions. The S-Class coupé was fitted with V8 engines only for the first time.

The W126 was revised in 1985 for 1986 model year. The revised "Second Series" model range was introduced at 1985 IAA Frankfurt with new six-cylinder petrol and diesel engines and the V8 petrol engines enlarged to 4.2 and 5.5 litres. The 5-litre V8 was carried over. The visual changes included the smoother bumpers and side claddings, revised "Gullydeckelfelge" (German for manhole-cover wheel rim) alloy wheels, and deeper front bumper with integrated air dam. For the V8 engines, the M116 was bored out to 4.2 litres from 3.8 litres for the 420 SE/SEL/SEC while the 5-litre V8 for 500 SE/SEL/SEC was carried over. A new 5.5 litre engine was introduced for the 560 SE/SEL/SEC which was accomplished by stroking the 5-litre M117 engine with a new crankshaft. The V8 engines were fitted with new electronic ignition system and Bosch KE-Jetronic electronic-mechanical fuel injection system, first appeared in W201 190E. The revised V8 engines except 5-litre version had slight performance increase.

Although it had not yet merged with Mercedes-Benz, "pre-merger" AMG offered body kits for all W126 models, as well as a "wide body" kit for the coupé. The "wide body" cars were fitted with distinctive AMG-designed front and rear fenders and door panels that allowed much wider wheels and tires to be fitted. AMG also offered engine modifications with displacements of 5, 5.5, and 6 litres. The most famous and rarest was the DOHC 6-litre engine, based on the original 117.968 engine. Some of options offered were Gleason Torsen differential in various ratios, manual transmission (extremely rare), and various TV/radio consoles.

Two AMG-modified 500 SEC cars raced at the 1989 24 Hours of Spa. Both cars failed to finish, with one suffering gearbox issues, while the other had issues with the rear axle

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