Mercedes-Benz 300D
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The first Mercedes-Benz 300D automobile (not to be confused with the 300d) was introduced in 1975 (U.S.) and started its life by placing the newly developed 3.0 litre five-cylinder normally aspirated engine 617.910 in a W115 chassis four-cylinder Mercedes-Benz 240D diesel. For the American market those cars only came with power windows and automatic transmission.
The W123 chassis of the Mercedes-Benz 300D was introduced as a 1976 model (1977 U.S.). Its 3.0 litre five-cylinder diesel engine with indirect injection produced 80 to 88 hp (59 to 65 kW), depending on the year or country, from an extra 600 cm³ more of displacement than the four-cylinder Mercedes-Benz 240D diesel. The W123 chassis evolution continued with the addition of the 300D Turbo Diesel in 1982 (1981 for station wagon), sporting a 3.0 litre five-cylinder turbocharged engine which was originally developed in 1978 and used in the US market for 300SD models in 1979. This engine developed 118 to 123 hp (88 to 91 kW) and considerably improved the car's performance while still maintaining the superb reliability and efficiency of earlier models. Both station wagon and touring sedan models were produced as the 300TD and 300D turbodiesel respectively. The 300TD also had optional rearward facing third row seat which could fold flat into the floor (the predecessor to DaimlerChrysler's StowNGo™ Seating), which was also seen on Volvo station wagons.
Production of the W123 chassis ended in 1985 but many cars remain on the road today 20 years later, a testament to the quality and durability of the original design. The 300D badge continued on in the W124 chassis family until 1993, but as a completely different design.
The W124 chassis 300D (pre E Class facelift) has the OM603 engine, a turbocharged inline six cylinder.
[edit] Trivia
Used diesel-powered Mercedes-Benz 300Ds have been part of the straight vegetable oil movement; a recent article in the Houston Press detailed a biochemistry student who converted a 300D sedan to run on SVO. Pre-1985 M-B diesel powerplants are known to be indestructible.
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| Supermini | A | W168 | W169 | ||||||||||||||||||||||||||||
| Compact | C | W201 (190) | W202 | W203 | W204 | ||||||||||||||||||||||||||
| Mid-size | E | W123 | W124 | W210 | W211 | W212 | |||||||||||||||||||||||||
| CLS | W219 | ||||||||||||||||||||||||||||||
| Full-size | S | W126 | W140 | W220 | W221 | ||||||||||||||||||||||||||
| Maybach | W240 | ||||||||||||||||||||||||||||||
| Roadster | SLK | R170 | R171 | ||||||||||||||||||||||||||||
| SL | R107 | R129 | R230 | ||||||||||||||||||||||||||||
| Coupé | CLK | W208 | W209 | ||||||||||||||||||||||||||||
| CL | W126 | W140 | W215 | C216 | |||||||||||||||||||||||||||
| Supercar | SLR | C199 | |||||||||||||||||||||||||||||
| SUV | G | W460/W461 | W463 | ||||||||||||||||||||||||||||
| Crossover SUV | GLK | GLK | |||||||||||||||||||||||||||||
| M | W163 | W164 | |||||||||||||||||||||||||||||
| GL | X164 | ||||||||||||||||||||||||||||||
| MPVs | B | W245 | |||||||||||||||||||||||||||||
| R | W251 | ||||||||||||||||||||||||||||||
| Vaneo | Vaneo | ||||||||||||||||||||||||||||||
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