Enjene ea Mercedes M273
Enjene ea Mercedes-Benz M273 ke enjene ea peterole ea V8 e ileng ea hlahisoa ka lekhetlo la pele ka 2005 e le phetoho enjene M113.
Enjene ea M273 e na le sekontiri sa aluminium se nang le matsoho a li-silitec (Al-Si alloy), crankcase ea tšepe, tšepe e entsoeng ka tšepe, lithupa tse hokahanyang, ente e latellanang ea mafura, taolo ea enjene ea Bosch ME9, lihlooho tsa silinda ea aluminium, li-camshafts tse peli tse kaholimo, ketane e khannoang, li-valve tse 'nè ka silindara, mefuta e mengata ea aluminium-magnesium e kenang ka bongata, e ka chencha mapheo. Enjene ea M273 e ile ea nkeloa sebaka ke enjene ea Mercedes-Benz M278 ka 2010.
Litlhaloso M273
Ka tlase ke litlhaloso tsa mahlale a koloi e tsebahalang haholo ea M273 55.
| Ho fallisoa ha enjene, li-cubic cm | 5461 |
| Boholo ba matla, hp | 382 - 388 |
| Palo e phahameng ea torque, N * m (kg * m) ka rpm. | EA-530 (54) / 2800 EA-530 (54) / 4800 |
| Fuel sebelisoa | Gasoline AI-95 ea peterole AI-91 ea peterole |
| Ts'ebeliso ea mafura, l / 100 km | 11.9 - 14.7 |
| mofuta oa enjene | V-e bōpehileng joaloka, 8-silindara |
| Eketsa. leseli la enjene | DOHC |
| Boholo ba matla, hp (kW) ka rpm | EA-382 (281) / 6000 EA-387 (285) / 6000 EA-388 (285) / 6000 |
| Compression ratio | 10.7 |
| Moqomo bophara, limilimithara | 98 |
| Leqeba la piston, mm | 90.5 |
| Ts'oaetso ea CO2 ho g / km | 272 - 322 |
| Palo ea li-valve ka silindara | 4 |
Liphetoho
| Phetoho | Boemo | Sebeliso ea matla | Motsotsoana | E kentsoe | Год |
|---|---|---|---|---|---|
| M273 46 KE | 4663 | 340 hp ka 6000 rpm | 460 Nm ka 2700-5000 rpm | X164 GL 450 | 2006-12 |
| W221 S 450 | 2006-10 | ||||
| M273 55 KE | 5461 | 387 hp ka 6000 rpm | 530 Nm ka 2800-4800 rpm | Mofuta oa W164 ML 500 | 2007-11 |
| X164 GL 500 | 2006-12 | ||||
| A207 LE 500, C207 le 500 | 2009-11 | ||||
| A209 CLK 500, EA-209-C500 | 2006-10 | ||||
| W211 LE 500 | 2006-09 | ||||
| W212 LE 500 | 2009-11 | ||||
| EA-C219 CLS 500 | 2006-10 | ||||
| W221 S 500 | 2005-11 | ||||
| R230 SL 500 | 2006-11 | ||||
| W251 R 500 | 2007-13 | ||||
| W463 G 500 | 2008-15 |
Mathata a enjene ea M273
E 'ngoe ea mathata a mantlha le a tsebahalang a M273 ke roala li-gear tsa drive tsa ketane ea nako, e lebisang ho tlolo ea boemo ba camshafts hloohong e nepahetseng (bakeng sa lienjineri tse entsoeng pele ho Loetse 2006). Mokhoa oa ho khetholla bothata: Lebone la enjene ea cheke, Lits'oaetso tsa Mathata a Tlhatlhobo (DTCs) 1200 kapa 1208 li bolokiloe ka yuniti ea taolo ea ME-SFI.
Likoloi tse hahiloeng ho tloha ka Loetse 2006 li na le lisebelisoa tsa tšepe tse thata.
Ho dutla ha oli ka lipolaka tsa silindara tsa polasetiki... Ka dienjini tsa Mercedes-Benz M272 V6 le M273 V8 tse ileng tsa hlahisoa pele ho Phuptjane 2008 li kanna tsa ba le phallo ea oli (seepage) ka lipolaka tsa polasetiki tse chitja ka morao ho lihlooho tsa silindara.
Ho ne ho na le mefuta e 'meli ea lithupa tsa boholo bo fapaneng:
- A 000 998 55 90: lipolaka tse peli tse nyane tsa katoloso (bophara ba lisenthimithara tse 2,5);
- A 000 998 56 90: polaka e le 'ngoe e kholo ea katoloso (ea likoloi tse se nang pompo ea moea).
Ho lokisa sena, o hloka ho tlosa lipolaka tse teng, ho hloekisa sekoti, le ho kenya lipolaka tse ncha. Se ke oa sebelisa sealant ha u kenya li-plug tse ncha.
Ka Phuptjane 2008, lihlahla tse ncha ha li a ka tsa hlahisoa ke oli.
Ho robeha ha taolo ea damper ha e kenella hangata (geometry e kenang e sa fetoheng). Ka lebaka la moea o qobelloang oa likhase tsa crankcase, li-depositi tsa khabone li ka bokellana ka bongata, bo sitisang motsamao oa taolo, o lebisang ho senyeheng ha eona.
Matšoao:
- Ho se sebetse hantle;
- Ho felloa ke matla (haholo-holo ka lebelo le tlaase la enjene);
- Ho bonesoa ha mabone a tlhokomeliso ea enjene;
- Likhoutu tsa Mathata a ho Hlahloba (DTCs) joalo ka P2004, P2005, P2006, P2187 le P2189 (Ho khetholla likhoutu tsa OBD2).
Tokiso ea enjene ea Mercedes-Benz М273
Ho hlophisa enjene ea M273 ho na le likhetho tsa sepakapaka le komporong (lisebelisoa tsena ka bobeli li ka fumanoa Kleemann):
- Sepakapaka. Ho kenya li-camshafts ka karolo ea 268, ho phethela tokollo, ho kenella ka serame, firmware e fetotsoeng.
- Konpresser. Khamphani ea Kleemann e fana ka sesebelisoa sa compressor bakeng sa M273 ntle le tlhoko ea ho fetola piston compressor e tloaelehileng ka lebaka la khatello e tlase ea khatello. Ka ho kenya lisebelisoa tse joalo u ka fihla 500 hp.
