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Mercedes-Benz CL 420 C140

Flagship S-CLASS

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The Mercedes-Benz W140 is a of flagship vehicles that manufactured by the German automotive Mercedes-Benz. In December 1990, unveiled the W140 S-Class via release, later appearing in February and March editions of The W140 made its public at the Geneva Motor Show in 1991, with the first rolling off the production line in 1991 and North American on August 6, 1991. Short and long (SEL) wheelbase were offered initially, as as the coupé (SEC) body from October 1992. all Mercedes-Benz lines, the W140 was rationalized in late 1993 the new letter-first nomenclature. The SE, SEL, and SEC were renamed the S-Class, alphanumerical designations inverted. For the 500 SE became the S 500, and the 500 SEL became the S 500 L. In the coupé models following a update were separated the CL-Class. The W140 series was superseded by the W220 S-Class and C215 CL-Class coupe in after an eight-year production

Mercedes-Benz built 432,732 of the 140 series, comprising 406,710 and 26,022 coupés.

A Brief

As with its predecessor, the W126 the W140 was the first of the next of Mercedes-Benz models to feature the new design theme. The car is infamous for the model in which Diana, of Wales died following a car accident in which she (as with the and the other passengers) was not wearing her belt and the driver was intoxicated. Diana, driver Henri and partner Dodi Al Fayed away as a result of the accident. Her Trevor Rees-Jones, who had been in the front passenger seat, was the survivor of the accident.

Development on the W140 began in originally set for an October 1989 start. From 1982 to several designs were until December 9, 1986 a definitive design was approved. prototypes were tested from early 1987 and the production exterior design was in late 1987, with design patents being on February 23, 1988 and U.S. 6 months later on August The design was said by lead Bruno Sacco to be influenced by XJ40 sedan and BMW’s E32 Before production started, the appearance of the W140 was revised in the of the grille on all W140s being as opposed to a planned exclusive on the top model, a feature which spread to the rest of the range. In an 18-month delay was made 1989 to 1991 to accommodate a V12 and a high-performance braking system. resulted in the final development being completed in June Pilot production models made from June to January 1991.

The W140 innovations such as double-pane glazing, power-assisted closing for and boot lid, electric which lowered back upon encountering an obstruction, markers which rose the rear wings (discontinued on vehicles, and replaced with parking) and a heating system if desired, continued to emit air after the engine was turned For details like this, the is often known as the last to be overengineered, a Mercedes trait was costing the company in product and overbudgeting. According to Motor this action reportedly project cost overruns and in the departure of Wolfgang Peter, chief engineer. The vehicle is to have cost Mercedes-Benz $1 billion to develop. For the consumer, the cost a considerable 25 percent than its predecessor, the W126.

The W140 was to feature air-suspension as an but it was dropped shortly before because Mercedes was still the technology at the time. Mercedes to launch air-suspension in the next S-Class in 1999. The W140 used a hydropneumatic rear first introduced on the W116 450 SEL 6.9 in 1975) to be used on the S 500 and S 600 models. the mid-year facelift in 1994, made Electronic Stability an optional fixture to both and coupé body styles in the range. Both the sedan and body styles were with Acceleration Slip (ASR) as a standard feature.

its predecessor, the car was available in two wheelbase (short W140 and long along with the C140 In 1991, a new M120 6 litre 402 V12 engine joined the lineup for the time with the 600 SEL and 600 SEC. A V12 was affixed to the C-pillar.

In 1993, the 402 (408 hp Europe) V12 engine was detuned to 389 horsepower to comply tighter emission control in the United States and Europe. The V8 were tuned down 322 horsepower to 315 horsepower. This among other changes, the deletion of the full-throttle enrichment which reduced output by 7

The W140 600 SEL was available with rear ash tray covers, shift knob, leather and a suede headliner, unlike the V8 and 6-cylinder models. Following the in 1994, the S600 was updated a wood/leather steering wheel, a V12 on the wood/leather shifter, double stitching all over the interior and two nappa leather seating further distinctions from its rung siblings.

In June as part of the new corporate naming the model range was renamed. resulted in all SE and SEL models now being as S, being followed by the numbering. In 1991, following the new Mercedes-Benz of mid-life facelifts (starting the W123 in 1979), after launch, work begun on to the W140. By 1992 final changes were approved and patented(application) on February 27, 1993, 5 years after the original design patent application in In March 1994, the updated were unveiled at the Geneva Salon and went on sale in 1994 in mainland Europe and in markets during the second of the year. The clear turn indicator lenses on the front and new were the most obvious as was the grille including a new and distinctive one for S Headlamps were fitted separate low H7, H1 fog, and high H1 reflectors in 1994, pre-1995 used an H4 bulb and H3 for the fog lamp. In 1995, Parktronic replaced the guiders on the rear boot In 1995, the two tone exterior was made to be monotone, xenon were added and the rear lenses became clear. The were later introduced in 1996 as 1996.5 models in and 1997 models in the United

Height of the W140 production varied between years W140 Sedan: 58.7 in; V140 Sedan: 58.9 in; W140 Sedan: 58.4 in; V140 Sedan: 58.3 in; Coupe: 56.7 in; 1997-99 Sedan: 58.5 in).

The S-Class introduced several innovations which have become commonplace among vehicles.

Braking system. The V8 and V12 models distributed more power to the rear wheels, stopping effectiveness. In 1996, the received Brake Assist, engaged during emergency to boost braking power to

Electronic Stability Program was introduced in 1996. ESP used computers to improve vehicle response during difficult conditions. This was a Mercedes system, which has since licensed to other manufacturers.

airbags and seat occupancy were introduced in 1996.

and Convenience

Some innovations for the included:

Double-paned soundproofed was a new S-Class innovation first on the W140. This form of glazing allowed for improved reduced condensation, and other benefits.

Electrically-operated exterior could be folded at the flick of a to ease driving in narrow

‘Parameter steering’ was a system made low-speed driving by reducing the effort required to in speed-sensitive situations such as

Rear-parking markers, or guide These rods extended the rear corners of the trunk lid in reverse, providing the driver a guideline for rear maneuvers. In this system was replaced by the Parktronic system which the distance of the bumpers to nearby

12-way powered, heated seats, with 3 setting functions and lumbar support.

wipers w/heated washer Later models also Rain-sensing windshield wipers.

automatic-dimming inside rear-view that tied into the and steering wheel memory.

Mercedes-Benz CL 420 C140

exterior mirrors. Later also included auto driver’s side mirror.

seats were an expensive from the factory but consisted of different air cushions in the seat the user can inflate and deflate to the perfect driving position.

climate control. Four-zone control on LWB models.

Reclining and rear seats on LWB models. V12 also have the four seating option allowing adjustable rear seats, support and rear sunshade The center seat has been by a burlwood center console, a 2 + 2 seating format.

The climate system could be set to operate for 20 after the engine had been off.

Electric Rear

Rear passenger illuminated mirrors.

Self-Closing Doors and

Drivetrain Technologies

The W140 a newly-developed double wishbone axle and a multi-link independent suspension.

ADS (Adaptive Damping standard on V12 models and optional for V8 that adjust the damping of the shock absorbers to help the car during high speed aggressive driving, or if the driver control of the vehicle.

S600 Performance

The flagship of the W140 lineup, the S600 until 1993) LWB saloon set new of performance, the likes of which had been achieved with a heavy robust car up to that The 6.0 V12 engine was capable of accelerating the 2 18 foot saloon to 100 km/h in as as 5.5 seconds and with a top speed of 179 mph the limiter removed. Mid to high acceleration is immense and closely the first generation S63 AMG model in regard. Even today the is still popularly used as an performance option to the newer, expensive AMG models. There available, a limited number of the model with an AMG aftermarket upgrade,increasing the power output to 445PS with 623NM of thanks to slightly more camshafts,pistons and connecting rods and a remap of the original ECU.

content publication, references and for the above: wikipedia

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Mercedes-Benz CL 420 C140
Mercedes-Benz CL 420 C140
Mercedes-Benz CL 420 C140
Mercedes-Benz CL 420 C140


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