317:(125 kW) (badged x220) to 204 PS (150 kW) (badged x250). The 170 PS (125 kW) and 204 PS (150 kW) versions employ a 2-stage (bi-turbo) charging setup with a small, high pressure turbo providing quick boost at low RPM fed by a large, lower pressure turbo providing increased performance at higher RPM, then at highest rpm ranges and loads, using both simultaneously. The lower output versions have only a single turbocharger. There are also 2 shorter stroke "square" variants of this engine with 1.8 litre displacement 109 PS (80 kW) (badged A/B180) 136 PS (100 kW) (badged A/B200 and used only in smaller front wheel drive models like the A-Bclass). These two variants differ only in electronic tune, and have a single turbocharger.
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There are 6 variants in all. Of these, 4 of the engine variants have the same 2.1 L (2,143 cc) swept volume, tuned to different power outputs 120 PS (88 kW) (badged x180 on rear wheel drive models) 136 PS (100 kW) (badged x200 on rear wheel drive models) 170 PS
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The main goal was to create a common engine design that maximized the parts commonality across the engines manufactured by parent company, Daimler.
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365:"Mercedes Debuts New Generation of Four-Cyindler Diesel Engines | eMercedesBenz - the Unofficial Mercedes-Benz Weblog"
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standard; four piezo-electric injectors fed with very high pressure fuel from a common rail inject fuel directly into the
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reduces the oxygen in the cylinders to "starve" any reactions that would produce NO(x).
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to improve combustion compared to previous
Mercedes Diesel engines and recirculated
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One requirement of the design was the ability of the engine to be mounted both
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were also design objectives, by 2010 being updated to the
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This article about an automotive part or component is a
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332:List of engines used in Chrysler products
16:Reciprocating internal combustion engine
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224:80–150 kW (107–201 hp)
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327:List of Mercedes-Benz engines
404:. You can help Knowledge by
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83:1.8 L (1,796 cc)
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248:Mercedes-Benz OM654 engine
238:Mercedes-Benz OM646 engine
105:83 mm (3.27 in)
85:2.1 L (2,143 cc)
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107:99 mm (3.9 in)
456:Diesel engines by model
466:Automotive part stubs
461:Straight-four engines
451:Mercedes-Benz engines
294:and compliance with
261:inline-four cylinder
353:. 22 December 2009.
307:combustion chambers
22:Mercedes-Benz OM651
299:emission standards
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152:Compression ratio
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406:expanding it
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373:. Retrieved
369:the original
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288:transversely
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220:Power output
208:Water cooled
167:Turbocharger
79:Displacement
56:2008–present
42:Manufacturer
311:exhaust gas
290:. Improved
263:automobile
234:Predecessor
186:Common rail
445:Categories
375:2015-01-13
338:References
229:Chronology
173:twin-turbo
161:Combustion
139:Valvetrain
53:Production
271:in 2008.
244:Successor
192:Fuel type
119:Cast iron
321:See also
128:material
115:material
72:Inline 4
36:Overview
303:Euro 6
296:Euro 5
275:Design
214:Output
196:Diesel
182:system
156:16.2:1
61:Layout
257:OM651
402:stub
286:and
255:The
180:Fuel
144:DOHC
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