E PHETHAHETSENG EENG bakeng sa : Enjene Mercedes M274
SEHLAHLISO SEBAKA
Matšoenyeho a 'nile a hlahisa lienjineri tsa peterole Mercedes M274 e nang le boholo ba 1.6 le 2.0 litres ho tloha 2011 mme e li kenya likoloing tse nang le enjene ea longitudinal, tse kang C-class le E-class. Li-motor tse tšoanang bakeng sa mehlala e nang le tlhophiso e fapaneng ea yuniti li na le index ea M270.
R4 Mercedes dienjini: M102, M111, M133, M139, M166, M200, M254, M260, M264, M266, M270, M271, M274, M282.
Ka Pulungoana 2011, mohala o mocha oa lienjene tsa peterole tsa 1.6 le 2.0 lithara o ile oa qala. Ho na le thipa ea aluminium bakeng sa lisilindara tse 4 tse nang le lilanka tsa tšepe le baki e pholileng e bulehileng, hlooho ea aluminium ea 16-valve e nang le li-compensator tsa hydraulic, li-dephasers tse kenang le tsa ho qeta, turbine ea IHI AL0070 kapa IHI AL0071 (ho latela mofuta oa enjene) intercooler ea moea, tsamaiso ea ente e tobileng, bokhoni bo fapaneng ba pompo ea oli le ho khanna nako. Lienjine tsa 2.0-liter li na le Lanchester balancer ho fokotsa ho thothomela.
Ho tloha ka 2018, lihlopha tsa letoto lena butle-butle li fana ka lienjineri tsa mohala oa M264 'me joale li hlahisoa feela e le karolo ea semela sa matla a lebasetere a mefuta ea GLE kapa E-Class.
Litlhaloso
| Lilemo tsa tlhahiso | ho tloha ka 2011 |
| Ho falla, cc | 1595 (M 274 OF 16 AL) 1991 (M 274 OF 20 AL) |
| Sisteme ea mafura | ente e tobileng |
| Phallo ea matla, hp | 129 – 156 (M 274 DE 16 AL) 156 – 245 (M 274 DE 20 AL) 279 – 333 mmoho le enjene ya motlakase |
| Tlhahiso ea torque, Nm | 210 – 250 (M 274 DE 16 AL) 270 – 370 (M 274 DE 20 AL) 600 – 700 mmoho le enjene ya motlakase |
| Silinda block | aluminium R4 |
| Thibela hlooho | aluminium 16v |
| Silinda e boreleli, mm | 83 |
| Piston stroke, mm | 73.7 (M 274 DE 16 AL) 92 (M 274 DE 20 AL) |
| Compression ratio | 10.3 (M 274 DE 16 AL) 9.8 (M 274 DE 20 AL) |
| Lifofisi tsa hydraulic | ho joalo |
| Ho khanna nako | ketane |
| Phase regulator | ho joalo |
| Turbocharging | ho joalo |
| Oli ea enjene e khothalelitsoeng | 5W-30, 5W-40 |
| Bokhoni ba oli ea enjine, litara | 6.0 - 7.0 |
| Mofuta oa mafura | peterole |
| Litekanyetso tsa Euro | EURO 5/6 |
| Tšebeliso ea mafura, L/100 km (bakeng sa Mercedes C 250 2017) - toropo - tsela e kholo - e kopantsoeng | 7.9 5.2 6.2 |
| Nako ea bophelo ba enjene, km | ~ 300 000 |
| Boima, kg | 137 |
Enjene e kentsoe ka:
● Mercedes C-Class W204 ka 2012 - 2015; C-Class W205 ka 2014 - 2020;
● Mercedes E-Class W212 ka 2013 - 2016; E-Class W213 ho tloha ka 2016;
● Mercedes GLC-Class X253 ho tloha 2015;
● Mercedes GLE-Class W167 ho tloha 2019;
● Mercedes GLK-Class X204 ka 2013 - 2015;
● Mercedes SLC-Class R172in 2015 - 2020;
● Mercedes V-Class W447 ka 2015 - 2019;
● Infiniti Q50 1 (V37) ka 2014 - 2019;
● Infiniti Q60 2 (CV37) ka 2016 - 2018.
Mathata a enjene ea Mercedes M274
Ka li-engines ho fihlela ka 2014, balaoli ba mekhahlelo ba ile ba qala ho phatloha ka potlako, joale moetsi o ile a phethela moralo 'me mohloli o ile oa eketseha ho ea ho 150 - 200 km tse likete. Hoo e ka bang ka nako e ts'oanang, ketane ea nako ea ntšoa 'me ba bangata ba e fetola ka nako e le' ngoe.
Beng ba bangata ba likoloi tse nang le enjene ea lelapa lena ba tletleba ka mathata a ho qala 'me lebaka le ka sehloohong ke ho falla ha disk impulse e amanang le camshaft axis. Hangata sena se bontšoa ke phoso ho sensor ea boemo ba camshaft.
Ka 2015, lienjineri tsa letoto lena li ile tsa ntlafatsoa 'me tsa e-ba le moruo o fokolang, empa sena se ile sa lebisa ho phatloha khafetsa ka ho timetsoa ha li-piston. Liente tsa ente ea Piezo le tsona li na le mafura a boleng bo tlase mona.
Hoa hlokahala ho shebella ka hloko boemo ba tsamaiso ea pholileng ea mochine oa matla, kaha hlooho ea block e ka lebisa mona esita le ho tloha ha ho feta nako e telele haholo. Bothata bo mpefatsoa ke ho se tšepahale ho hotle ha thermostat le pompo ea metsi.
Hangata ho lutla ho tsoa ka tlas'a sekoaelo sa valve ka lebaka la belofo ea moea ea crankcase e khomaretsoeng, hammoho le ka tlas'a tiiso ea oli ea crankshaft e ka pele kapa ka gasket ea mocheso. Ka lebaka la ho khaoha ha lithapo, valve ea pompo ea oli e feto-fetohang ea hoama, sets'oants'o se koala kapele, li-hoses tsa mafura li lula li lutla le actuator mapheong a turbine.