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Port Melbourne, Australia 
|Body and chassis|
|Class||Full-size luxury car (F)|
|Body style||4-door sedan
|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
2,996 cc (3.0 L) M189 I6
3,499 cc (3.5 L) M116 V8
- 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' vehicles produced between 1959 and 1971, including four-door sedans (1959-1968) and two-door coupés and cabriolets (1961 to 1971).
Introduced as inline 6-cylinder cars with 2.2-litre engines, the W111 spawned two lines of variants: entry-level vehicles sharing its chassis and bodies but with four-cylinder engines were designated the W110. A luxury version built on the W111 chassis with its body and the fuel-injected 3-litre M186 six-cylinder engine was designated the W112.
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 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.
The body was modern and featured characteristic American-style tailfins that gave the models their Heckflosse nickname — German for "fintail".
Series production of the 4-door sedan began in August 1959, which made its debut at the Frankfurt Auto Show in autumn. Initially the series consisted of the 220b, 220Sb, and 220SEb. These replaced the (W105) 219, the (W180) 220S and the (W128) 220SE Ponton sedans respectively. The 220b was an entry-level version with little chrome trim, simple hubcaps, and basic interior trim that lacked pockets on doors. Prices were DM16,750, 18,500 and 20,500, with a rough sales ratio of 1:2:1.
All modes 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 acceleration to 15 seconds (16 on the 220b). The top range 220SEb featured Bosch fuel injection producing 120 hp (89 kW) at 4800 rpm, with top speed of 172 km/h (107 mph) (168 km/h (104 mph) for auto) and a 0–100 km/h in 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.
A 2-door coupe/cabriolet version of the W111/W112 was also produced.
In May 1965 Mercedes-Benz upgraded the previously 4-cylinder W110 230 with the 2.3 litre 6-cylinder from the W111, designating the model the 230S. It was visually identical to the 220S, with a modernised 2306 cm3 M180 engine with twin Zenith carburettors producing 120 horsepower (89 kW) at 5400 rpm. Top speed 176 km/h (109 mph) (174 km/h (108 mph) on auto), acceleration 13 seconds (15 with automatic transmission). 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 ten-year run between 1959 and 1968 a total of 337,803 W111s were built.
The Coupé and Cabriolet
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 sedan, the scope was focused on the exterior styling. Some of the mockups and prototypes show that Mercedes-Benz attempted to give the two-door car a front styling almost identical to what would be realised in the Pagoda roadster, but ultimately favoured the work of engineer Paul Bracq. The rear featured small tailfins, subtle compared to the fintails' and evocative of the later squarish styling of the W108/W109.
Production began in late 1960, with the coupe 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 coupe, 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 coupe and convertible; both received the same version of the 2195 cc M127 engine. Prices in 1962 were 32,500 for the coupe and 36,000 NLG for the cabriolet. Options included a sliding sunroof for the coupe, automatic transmission, power steering, and individual rear seats.
In March 1962, Mercedes-Benz released the exclusive two-door M189-powered 300SE. Like the 300 sedan, it was based on the W111 chasis 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 summer of 1965 Mercedes-Benz launched replacements for both W111 and W112 sedans, the W108 and W109 respectively. With the tailfin fashion well eroded by the mid 1960s, the new design was based on the restrained W111 coupe, 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, 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 horsepower (110 kW) at 5500 rpm, it gave the vehicle a significant improvement in top speed, 193 km/h (120 mph) (188 km/h (117 mph) on auto), and 0–100 km/h acceleration 12 seconds (14 on auto). Visibly the only changes affected the new 14-inch rims, which came with new hub cabs and beauty rings accommodating the larger disk 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 (120 kW) at 5500 rpm. Top speed was hardly affected, but acceleration improved to 10.5 seconds (13 with automatic). 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. The coupe and cabriolet retained their shared model model designation until replaced by a new-generation chassis in 1968.
The 280 SE 3.5
A final model was added in August 1969, the 280 SE 3.5. 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 at 9.5 seconds (11.5 for the auto). To accommodate the large engine, the car's front grille was widened; front and rear bumpers were also modified with the addition of rubber strips. The rear lenses changed to a flatter cleaner design. This change was carried across 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).
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. Not including 3,127 W112 300 SE models, the grand total of 2-door W111 models was 32,804 of which 7,456 were convertibles.
The indirect replacement for the Coupé was the C107 SLC, which was an SL Coupé, it therefore had no link with the S Class range. The true successor of the W111/12 Coupe was the C126 Coupe 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 four-seater convertible would disappear from Mercedes-Benz's lineup for nearly two-decades, until the A124 in 1992.
|[cc]||[PS] / [kW]|
|220 Sedan||8/59–8/65||111.010||M180.940 / R 6||2195||95 / 70||69691|
|220 S Sedan||8/59–8/65||111.012||M180.941 / R 6||2195||105/110 // 77/81||161119|
|220 SE Sedan||8/59–8/65||111.014||M127.982 / R 6||2195||120 / 88||66086|
|220 SE Coupé||2/61–10/65||111.021||M127.984 / R 6||2195||120 / 88||14173|
|220 SE Cabriolet||9/61–10/65||111.023||M127.984 / R 6||2195||120 / 88||2729|
|230 S Sedan||7/65–1/68||111.010||M180.947 / 951 / R 6||2295||120 / 88||41107|
|250 SE Coupé||9/65–12/67||111.021||M129.980 / 981 / R 6||2496||150 / 110||5259|
|250 SE Cabriolet||9/65–12/67||111.023||M129.980 / 984 / R 6||2496||150 / 110||954|
|280 SE Coupé||11/67–5/71||111.024||M130.980 / 984 / R 6||2778||160 / 118||3797|
|280 SE Cabriolet||11/67–5/71||111.025||M130.980 / 984 / R 6||2778||160 / 118||1390|
|280 SE 3.5 Coupé||11/69–7/71||111.026||M116.980 / 990 / V 8||3499||200 / 147||3270|
|280 SE 3.5 Cabriolet||11/69–7/71||111.027||M116.980 / 990 / V 8||3499||200 / 147||1232|
- An Australian Mercedes-Benz? - www.mbspares.com.au Retrieved on 1 November 2012
- Anderson, Gary (April 2014). "1971 Mercedes-Benz 280SE 3.5 Cabriolet". Sports Car Market. 26 (4): 76.
- Mercedes-Benz Classic "W 111 / W 112 convertibles", retrieved on 29 August 2014
- "Mercedes-Benz U.S Models". Hiwaay.net. Archived from the original on November 25, 2005. Retrieved December 1, 2005.
- Oswald, Werner (1995). Deutsche Autos 1945 - 1975 (in German). Motorbuch Vlg. ISBN 978-3-87943-391-9.
|Wikimedia Commons has media related to Mercedes-Benz W111.|
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
|4-cylinder||Sedan||W136 / W191||W120 / W121||W110||W115||W123|
|6-cylinder||Sedan||W187||W105 / W180 / W128||W111||W114||W123|
|Coupé||W187||W180 / W128||W111||C107|
|W108 / W109|
|Limousine||W186 / W189||W100 (600)|
|Sports||Roadster||W198 / W121 B2||W113||R107|