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Mercedes-Benz W189

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This article is about the Mercedes 300d luxury car. For other Mercedes vehicles with the "300D" model number, see Mercedes-Benz 300 (disambiguation).
Mercedes-Benz W189
Overview
ManufacturerMercedes-Benz
Also calledMercedes-Benz 300d
Adenauer
Production1957–1962
W189 Saloon: 3,077[1]
W189 Cabriolet D: 65[1]
Body and chassis
ClassFull-size luxury car
Body style4-door saloon
4-door phaeton
4-door cabriolet
4-door limousine
LayoutFR layout
PlatformMercedes-Benz W189
RelatedMercedes-Benz 300 Sc, Mercedes-Benz 300 SL
Powertrain
Engine2996 cc M189 I6
Transmission4-speed manual
3-speed automatic
Dimensions
WheelbaseW189: 3,150 mm (124.0 in)
LengthW189: 5,190 mm (204.3 in)
WidthW189: 1,860 mm (73.2 in)
HeightW189: 1,620 mm (63.8 in)
Curb weightW189: 1,950 kg (4,299 lb)
Chronology
PredecessorMercedes-Benz W186
SuccessorMercedes-Benz W112
Mercedes-Benz 600
See Mercedes-Benz S-Class for a complete overview of all S-Class models.

The Mercedes-Benz W189 model 300 was a four-door luxury tourer produced by Mercedes-Benz between 1957 and 1962. It was the company's flagship model at the time, equivalent to the modern S-Class and Maybach.

Marketed as the Type 300d,[2] it was equal in features and price but superior in performance to the rival Rolls-Royce Silver Cloud.[3] Favored by statesmen and business leaders, it offered options such as a glass partition, VHF mobile telephone, and dictation machine.

All but hand-built as the company flagship, the 300d is often colloquially referred to as the Adenauer, after Konrad Adenauer, the first Chancellor of Germany (then West Germany) who employed six custom cabriolet, hardtop saloon, and landaulet versions of the W189 and its precursor W186 series during his tenure. Among the custom features in these "parade cars" were writing desks, sirens, curtains, dividing partitions, sunroofs, and half-roof "landaulet" configurations.

Technologically advanced,[4] the fuel injected 3.0 L inline-6 "Type 300" was regarded as a "driver's" car, sharing numerous design innovations and mechanical components with the iconic Mercedes-Benz 300 SL "Gullwing", including engine, suspension, and chassis. It was succeeded by the 6 L W100 Mercedes-Benz 600 Grosser Mercedes in 1963.

300d

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Mercedes-Benz 300d interior
A 1952 W186 (left) and 1962 W189 (right)
The limousine-length Mercedes-Benz 300d was introduced in 1957. A lengthened wheelbase and new bodywork added 4" of rear seat leg room over the 300c.
1959 300d rear

A successor to Mercedes' flagship W186 series final model, the 300c, the enlarged 300d (W189) was introduced in August 1957. Its new chassis code reflected sweeping refinements that included modernized bodywork, pioneering fuel injection, and a unique hardtop configuration transforming it into a pillarless phaeton.

Available as both a saloon and cabriolet, it retained the W186's proven X-frame chassis and was fitted with a more powerful version of its 3.0 L (2996 cc/182 in³) overhead cam, aluminum head M186 straight-6, the M189.

This shared improvements proven in the iconic 300SL "Gull Wing", the fastest production car of its day, including Bosch mechanical direct injection and an innovative diagonal head-to-block joint that allowed for oversized intake and exhaust valves. Output was an even horsepower per cubic inch, 180 PS (132 kW; 178 hp) at 5500 rpm.[5]

Designed to give reliable service under prolonged hard use, the engine featured deep water jackets, thermostatically controlled oil cooling, copper-lead bearings and a hardened crankshaft. A 3-speed Borg-Warner automatic transmission was standard. With no natural cruising speed, the car could sustain anything up to its maximum speed all day, road conditions permitting.[6]

The combination of a rigid X-shaped ovoid steel tube frame and four-wheel independent suspension provided surprisingly nimble handling. Double wishbones, coil springs, and a stabilizer bar were used up front, and Mercedes' typical double coil spring swing axle in rear. An innovative dashboard-operated rear load-leveling suspension engaged a torsion bar to increase stiffness by one-third when needed, and a pedal-operated central lubrication system kept friction points silent.[3] Brakes were vacuum-assisted hydraulic drum all around, steering recirculating ball. Power steering and Artic-Kar air-conditioning were new options.[5]

An additional 4 inches of wheelbase provided greater rear legroom, equaling that of the long wheelbase model Rolls-Royce Silver Cloud also introduced that year.[7] Removable rear quarter lights allowed an unobstructed view in and out from the front vent window on back, much valued in the model's popular role as a "parade car".

A total of 3,077 300d models (priced at DM 27,000) was produced through March 1962, along with 65 special-order 300d-based Cabriolet Ds (DM 35,500). After some overlap with the smaller, more contemporary styled W112 chassied 300SE that shared its engine, the 300d limousine was ultimately replaced as company flagship in 1963 by the 600 pullman "Grand Mercedes".

See also

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References

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Notes

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  1. ^ a b Deutsche Autos, Band 4, 2001.
  2. ^ Sales brochure for the Mercedes-Benz Type 300d, storm.oldcarmanualproject.com Retrieved 23 August 2016
  3. ^ a b Classic and Sportscar Magazine, February 1994, Pp. 52-55
  4. ^ "Mercedes Benz 300 | Buy & Sell | Beverly Hills Car Club". September 2017.
  5. ^ a b Jeff Miller (2002-03-02). "Mercedes-Benz Type 300 "Adenauer" limousine © www.mbzponton.org". Mbzponton.org. Retrieved 2010-10-01.
  6. ^ "300 300b 300c 300d Convertible Sedan 1951-1962". Silverstarrestorations.com. Retrieved 2010-10-01.
  7. ^ "Used cars on test: Rolls Royce Silver Cloud". Autocar. 126 nbr 3707: 66–67. 2 March 1967.

Bibliography

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  • Barrett, Frank (1998). Illustrated Buyer's Guide Mercedes-Benz. Motorbooks International Illustrated Buyer's Guide series (2nd ed.). Osceola, WI, USA: MBI Publishing. ISBN 0-7603-0451-3.
  • Clarke, R.M., ed. (1987). On Mercedes 1952-1962. Road & Track Series. Cobham, Surrey, UK: Brooklands Books. ISBN 1-869826-40-X.
  • Hartmann, Matthias (2017). Das große Mercedes-Cabrio-Buch [The Big Mercedes Cabrio Book] (in German) (reprint of the original 1992 ed.). Königswinter, Germany: Heel Verlag. ISBN 9783958435810.
  • Hofner, Heribert (2011). Mercedes-Benz Typenkunde [Mercedes-Benz Type Study] (in German). Vol. Band 3. Modelle der Oberklasse von 1951 bis 1972, Luxusklasse, S-, SL- und SLC-Klasse [Volume 3. Upper class models from 1951 to 1972, Luxury class, S-, SL- and SLC-Class]. Bielefeld, Germany: Delius Klasing. ISBN 9783768832786.
  • Koehling, Bernd S. (2021). Mercedes-Benz: Everything you want to know about the 300 and 300S: From the 300 Sedan to the 300Sc Cabriolet. Independently published. ISBN 9798723506695.
  • Larimer, Fred (2004). Mercedes-Benz Buyer's Guide: Roadsters, Coupes, and Convertibles. St. Paul, MN, USA: MBI Publishing. ISBN 0760318115.
  • Niemann, Harry (2006). Personenwagen von Mercedes-Benz: Automobillegenden und Geschichten seit 1886 [Passenger Cars from Mercedes-Benz: Automobile Legends and Stories since 1886] (in German). Stuttgart: Motorbuch Verlag. ISBN 3613025965.
  • Nitske, W. Robert (1995). Mercedes-Benz Production Models Book 1946-1995 (4th ed.). Osceola, WI, USA: MBI Publishing. ISBN 0-7603-0245-6.
  • Oswald, Werner [in German] (2001). Deutsche Autos [German Cars] (in German). Vol. Band [Volume] 4: 1945–1990 Audi, BMW, Mercedes, Porsche und andere [and others]. Stuttgart: Motorbuch Verlag. ISBN 3613021315.
  • ——————— (2001). Mercedes-Benz Personenwagen [Mercedes-Benz Passenger Cars] (in German). Vol. Band 2: 1945–1985 [Volume 2: 1945–1985]. Stuttgart: Motorbuch Verlag. ISBN 3613021684.
  • Rohde, Michael; Koch, Detlef (2000). Mercedes-Benz. Typenkompass series (in German). Vol. Band 1. Personenwagen 1945 - 1975 [Volume 1. Passenger Cars 1945 - 1975]. Stuttgart: Motorbuch Verlag. ISBN 361302019X.
  • Sacardi, Cajetan (2013). Mercedes-Benz 300 & 600: Staatslimousinen 1951–1981 [Mercedes-Benz 300 & 600: State Limousines 1951–1981]. Schrader-Typen-Chronik series (in German). Stuttgart: Motorbuch Verlag. ISBN 9783613035324.
  • Schlegelmilch, Rainer W. [in German]; Lehbrink, Hartmut; von Osterroth, Jochen (2013). Mercedes (revised ed.). Königswinter, Germany: Ullmann Publishing. ISBN 978-3-8480-0267-2.
  • Taylor, James (1985). Mercedes-Benz since 1945: A Collector's Guide. Vol. 1: The 1940s and 1950s. Croydon, UK: Motor Racing Publications. ISBN 0-900549-95-5.
  • Wiedmaier, Michael (2004). Mercedes-Benz 300: Mythos in vier Generationen [Mercedes-Benz 300: Myth in Four Generations]. WKP-Edition Klassik series (in German). Freilassing: WKP-Verlag. ISBN 3980727130.
  • Zeichner, Walter (1990). Mercedes Benz 300: 1951-1962 – Sedans, Coupes, Cabiolets. Schiffer Automotive Series. West Chester, PA, USA: Schiffer Publishing. ISBN 0887402496.
  • "300 S (W188)". Phil Seed's Virtual Car Museum. Retrieved December 1, 2005.
  • "300 (W186, W189)". Phil Seed's Virtual Car Museum. Retrieved December 1, 2005.
  • "Mercedes-Benz Type 300 Adenauer". MBZPonton.Org. Retrieved December 1, 2005.
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