Mercedes-Benz W111

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Mercedes-Benz W111
Overview
Manufacturer	Mercedes-Benz
Production	Saloon: 1959–1968 Coupé: 1961–1971 370,807 built
Assembly	West Germany: Stuttgart South Africa: East London Australia: Port Melbourne (AMI)[1]
Designer	Friedrich Geiger Paul Bracq (coupé & cabriolet)
Body and chassis
Class	Full-size luxury car (F)
Body style	4-door saloon 2-door coupé 2-door convertible
Layout	FR layout
Related	Mercedes-Benz W110 Mercedes-Benz W112 Mercedes-Benz W113
Powertrain
Engine	2,195 cc (2.2 L) M127 I6 2,306 cc (2.3 L) M180 I6 2,496 cc (2.5 L) M129 I6 2,778 cc (2.8 L) M130 I6 3,499 cc (3.5 L) M116 V8
Chronology
Predecessor	Mercedes-Benz W180[2]
Successor	Mercedes-Benz W108 (4-door) Mercedes-Benz C107 (2-door)

See Mercedes-Benz S-Class for a complete overview of all S-Class models.

The Mercedes-Benz W111 was a chassis code given to a range of Mercedes-Benz vehicles produced between 1959 and 1971, including four-door saloons (1959–1968) and two-door coupés and cabriolets (1961–1971). Their bodywork featured distinctive tailfins that gave the models their Heckflosse nickname — German for "fintail".^[3]

Introduced with a 2.2-litre inline 6-cylinder engine, the W111 spawned a pair of variant lines which bracketed it in 1961: downscale entry-level inline 4-cylinder engined vehicles sharing the W111 chassis and bodies, designated the W110; and the W112, a high-end luxury saloon built on the W111 chassis with its body but exclusive features, elaborate appointments, and the Mercedes-Benz 300d Adenauer's fuel-injected 3-litre M189 six-cylinder engine – at the time the company's largest.

Somewhat confusingly, both the W111 and W112 lines included vehicles with different Paul Bracq-designed bodywork, the 2-door coupé and cabriolet.

Mercedes-Benz emerged from World War II as an automaker in the early 1950s with the expensive 300 Adenauers and exclusive 300 S grand tourers that gained it fame, but it was the simple unibody Pontons which comprised the bulk of the company's revenues.

Work on replacing the Pontons began in 1956 with a design focused on passenger comfort and safety. The basic Ponton cabin was widened and squared off, with a large glass greenhouse improving driver visibility. A milestone in car design were front and rear crumple zones for absorbing kinetic energy on impact. The automaker also patented retractable seatbelts.

Series production of the 4-door saloon began in August 1959, which made its debut at the Frankfurt Auto Show in the autumn. Initially the series consisted of the 220b, 220Sb, and 220SEb. These replaced the (W105) 219, the (W180) 220S and the (W128) 220SE Ponton saloons respectively. The 220b was an entry-level version with little chrome trim, simple hubcaps, and basic interior trim that lacked pockets in the doors. Prices were DM16,750, 18,500 and 20,500, with a rough sales ratio of 1:2:1.

All models shared the 2195 cc M127 straight-six engine carried over from the previous generation, producing 95 hp (71 kW) at 4800 rpm and capable of accelerating the heavy car to 160 km/h (155 if fitted with optional automatic gearbox). The 220Sb featured twin carburettors and produced 110 hp (82 kW) at 5000 rpm, raising top speed to 165 km/h (103 mph) (160 km/h (99 mph)) and improving 0–100 km/h (62 mph) acceleration to 15 seconds (16 on the 220b). The top of the range 220SEb featured Bosch fuel injection producing 120 hp (89 kW) at 4800 rpm, with a top speed of 172 km/h (107 mph) (168 km/h (104 mph) for auto) and a 0–100 km/h (62 mph) time of 14 seconds.

In 1961, the W111 chassis and body were shared with the even more basic 4-cylinder W110 and a luxury W112 version built on the W111 chassis with its body and the Type 300 series' 3-litre M189 big block 6-cylinder engine, many standard power features, and a high level of interior and exterior trim. The body of the W110 featured a shorter bonnet, compared to the W111.

In May 1965, the 220Sb and 220SEb were replaced by the new 230S. It was visually identical to the 220S,^{[citation needed]} with a modernised 2306 cm³ M180 engine with twin Zenith carburettors producing 120 hp (89 kW) at 5400 rpm. Top speed is 176 km/h (109 mph) (174 km/h (108 mph) for the auto), acceleration from 0-100 km/h (62 mph) is 13 seconds (15 with automatic transmission). As a successor to the 220b, Mercedes-Benz also introduced the 230, with the 2306 cm³ engine fitted into the W110 series car. A total of 41,107 230S models were built through January 1968, when the last of 4-door fintails left the production line.

During its almost ten-year run, a total of 337,803 W111 saloons were built between 1959 and 1968.

Design of a replacement for the two-door Pontons began in 1957. Since most of the chassis and drivetrain were to be unified with the saloon, the scope was focused on the exterior styling. Mercedes chose the work of engineer Paul Bracq, which featured a more square, subtle rear-end treatment, more evocative of the later squarish styling of the subsequent W108/W109 than the sharp-edged tailfins of the saloon.^[4]

Production began in late 1960, with the coupé making its debut at the 75th anniversary of the opening of Mercedes-Benz Museum in Stuttgart in February of the next year. The convertible followed at the Frankfurt Auto Show a few months later. Almost identical to the coupé, its soft-top roof folded into a recess behind the rear seat and was covered by a tightly fitting leather "boot" in the same color as the seats. Unlike the previous generation of two-door ponton series, the 220SE designation was used for both the coupé and convertible; both received the same version of the 2195 cc M127 engine. Prices in 1962 were 32,500 for the coupé and 36,000 Dutch Guilders for the cabriolet. Options included a sliding sunroof for the coupé, automatic transmission, power steering, and individual rear seats.

In March 1962, Mercedes-Benz released the exclusive two-door M189-powered 300SE. Like the 300 saloon, it was based on the W111 chassis but shared both Daimler's top-range 2996 cm³ fuel-injected engine and the unique W112 chassis designation, efforts on Mercedes' part to distance it from the maker's modest W110 and W111 lineups and link it to the prestigious W188 300S two-door luxury sports tourer. It was distinguished by a chrome strip, and featured air suspension and a higher level of interior trim and finish. Prices were 45,000 and 48,500 for the hard and soft roofs respectively.

In the summer of 1965, Mercedes-Benz launched replacements for both W111 and W112 saloons, the W108 and W109 respectively. With the tailfin fashion well eroded by the mid 1960s, the new design was based on the restrained W111 coupé, widened and squared off. Work on a future new chassis that would fully replace the Ponton-derived W111/W112 and W108/W109 was well under way. With a concept car of the first S-Class was shown in 1967,^{[citation needed]} Daimler declined to develop a two-door W108/W109 vehicle, instead continuing production of the aging W111/W112 with modest changes. The 220SE was superseded in early autumn 1965 by the 250SE, which featured the new 2496 cm³ M129 engine. Producing 150 hp (112 kW) at 5500 rpm, it gave the vehicle a significant improvement in top speed, 193 km/h (120 mph) (188 km/h (117 mph) with automatic transmission), and 0–100 km/h (62 mph) acceleration time of 12 seconds (14 with automatic transmission). Visible changes include new 14-inch wheels, which came with new hub cabs and beauty rings accommodating the larger disc brakes and new rear axle from the W108 family.

In November 1967, the 250 SE was superseded by the 280 SE. It was powered by the new 2778 cc M130 engine, which produced 160 hp (119 kW) at 5500 rpm. Top speed was hardly affected, but acceleration from 0-100 km/h (62 mph) improved to 10.5 seconds (13 with automatic transmission). Inside, the car received a wood veneer option on the dashboard and other minor changes, including door lock buttons and different heater levers. The hubcaps were changed yet again to a new one piece wheelcover, and the exterior mirror was changed.

Despite its smaller engine, the 280 SE could outperform the early 1950s M189 powered 300 SE, resulting in the more expensive model's retirement.

A final model was added in August 1969, the 280 SE 3.5, the first Mercedes post-War coupé with more than 3 litres. The car was fitted with the brand-new M116 3499 cc V8. It produced 200 hp (150 kW) at 5800 rpm, and a top speed of 210 km/h (130 mph) (205 km/h (127 mph) with automatic transmission) and a 0-100 km/h (62 mph) at 9.5 seconds (11.5 for the automatic transmission). As one of several changes to modernize the aging design a lower, wider grille was incorporated and the facelifted model is often by the Germans referred to as the "flachkühler".^[clarify] The new grille was not a side-effect of enlarging the engine compartment to accommodate the V8 despite popular belief. Front and rear bumpers were also modified with the addition of rubber rub strips; the rear lenses changed to a flatter cleaner design. This change was carried across to the standard 280 SE. As the top of its range, the 280 SE 3.5 is seen as an ideological successor to the W112 300 SE, though it lacked the W112's air suspension.

There were plans to place the larger M117 V8 engine in the W111 (the model would have been called 280 SE 4.5).^{[citation needed]}

The last 280 SE was produced in January 1971, with the 280 SE 3.5 ending in July. The total production over the decade was: 220 SEb - 16,902, 250 SE - 6,213, 280 SE - 5,187, and 280 SE 3.5 - 4,502 units. The grand total of 2-door W111 models was 32,804 of which 7,456 were convertibles. Total production of W112 300 SE models was 3,127.

The indirect replacement for the coupé was the C107 SLC, which was a hardtop coupé version of the SL roadster, with no link with the S Class range. The true successor of the W111/12 coupé was the C126 (SEC) coupé of 1981. As the R107 SL grew bigger and more luxury oriented, it assumed the position of the top of the range convertible, which meant the true four-seater convertible would disappear from Mercedes-Benz's lineup for nearly two-decades, until the A124 in 1992.

Model	Years	Chassis code	Engine	Displ.	Power	Built
220 Saloon	8/59–8/65	111.010	M180.940 / R 6	2195 cc	95 PS (70 kW; 94 hp)	69,691
220 S Saloon	8/59–8/65	111.012	M180.941 / R 6	2195 cc	105 PS (77 kW; 104 hp) 110 PS (81 kW; 108 hp)	161,119
220 SE Saloon	8/59–8/65	111.014	M127.982 / R 6	2195 cc	120 PS (88 kW; 118 hp)	66,086
220 SE Coupé	2/61–10/65	111.021	M127.984 / R 6	2195 cc	120 PS (88 kW; 118 hp)	14,173
220 SE Cabriolet	9/61–10/65	111.023	M127.984 / R 6	2195 cc	120 PS (88 kW; 118 hp)	2,729
230 S Saloon	7/65–1/68	111.010	M180.947 / 951 / R 6	2307 cc	120 PS (88 kW; 118 hp)	41,107
250 SE Coupé	9/65–12/67	111.021	M129.980 / 981 / R 6	2496 cc	150 PS (110 kW; 148 hp)	5,259
250 SE Cabriolet	9/65–12/67	111.023	M129.980 / 984 / R 6	2496 cc	150 PS (110 kW; 148 hp)	954
280 SE Coupé	11/67–5/71	111.024	M130.980 / 984 / R 6	2778 cc	160 PS (118 kW; 158 hp)	3,797
280 SE Cabriolet	11/67–5/71	111.025	M130.980 / 984 / R 6	2778 cc	160 PS (118 kW; 158 hp)	1,390
280 SE 3.5 Coupé	11/69–7/71	111.026	M116.980 / 990 / V 8	3499 cc	200 PS (147 kW; 197 hp)	3,270
280 SE 3.5 Cabriolet	11/69–7/71	111.027	M116.980 / 990 / V 8	3499 cc	200 PS (147 kW; 197 hp)	1,232[5][6]

Chassis	Type	1959	1960	1961	1962	1963	1964	1965	1966	1967	1968	1969	1970	1971
W111	Saloon	220
		220S
		220SE
								230S
	Coupé & Cabriolet			220SE
								250SE
										280SE
												280SE 3.5

Media related to Mercedes-Benz W111C at Wikimedia Commons

• Curbside Classic: 1966 Mercedes 250SE Cabriolet (W111) – The Classiest Mercedes Of Them All? – a retrospective of the W111 cabriolet