Remove, install the resonance intake manifold - AR09.20-P-1961QB
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2007 Mercedes-Benz C350, 2007 Mercedes-Benz C280, 2007 Mercedes-Benz C230, 2006 Mercedes-Benz C55, and 2006 Mercedes-Benz C350. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE 272.920 in MODELS 203.052 /252 /752
ENGINE 272.940 in MODELS 203.054 /254, 209.354 /454
ENGINE 272.960 in MODELS 203.056 /256 /756, 209.356 /456
ENGINE 272.970 in MODELS 203.087 /287
ENGINE 272.941 in MODELS 203.092 /292
ENGINE 273 in MODEL 209
| Remove/install | |||
| Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof. | Keep body parts and limbs well clear of moving parts. | AS00.00-Z-0011-01A | |
| Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel. | No fire, sparks, open flames or smoking. Only pour fuels into suitable and appropriately marked containers. |
AS47.00-Z-0001-01A | |
| Wear protective clothing when handling fuel. | |||
| Notes on avoiding damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| 1 | Turn key in ignition switch to position "0". | ||
| 2 | Open engine hood and raise to vertical position | Model 203 | AR88.40-P-1000P |
| Model 209 | AR88.40-P-1000Q | ||
| 3 | Remove air filter housing | AR09.10-P-1150QB | |
| 4 | Remove the right connector (R) at the ME-SFI [ME] control unit (N3/10) | ||
| 5 | Disconnect electrical connectors (1a, 1b) | ||
| 6 | Remove jack for electrical connector (1b) on fuel distributor (2) | ||
| 7 | Remove electrical feed line (1c) from left control unit holder (3l) | ||
| 8 | Detach ME control unit (N3/10) from left control unit holder (3l) and right control unit holder (3r) and lay to one side | ||
| 9 | Remove hot film mass air flow sensor (B2/5) | AR07.07-P-1453QB | |
| 10 | Remove air guide housing (4) | AR09.20-P-0080QB | |
| 11 | Disconnect hoses (5a, 5b) from crankcase ventilation system | ||
| 12 | Remove the right control unit holder (3r) | *BA07.08-P-1002-01A | |
| 13 | Remove feed line duct (6a) from cylinder head cover and resonance intake manifold (7) | *BA15.18-P-1001-01B | |
| *BA15.18-P-1002-01B | |||
| 14 | Remove feed duct (6b) from resonance intake manifold (7) | *BA15.18-P-1001-01B | |
| 15 | Remove the left rear motor suspension lug (8) | *BA01.30-P-1005-01O | |
| *BA15.18-P-1003-01B | |||
| 16 | Remove feed line duct (6c) from cylinder head cover | *BA15.18-P-1002-01B | |
| 17 | Release and disconnect the electrical connectors at the fuel injection valves (Y62) | ||
| 18 | Release and disconnect the electrical connectors on the left intake manifold tumble flap position sensor (B28/9) and right intake manifold tumble flap position sensor (B28/10) | ||
| 19 | Disconnect electrical connector (9). | ||
| 20 | Release and disconnect electrical connector at throttle valve actuator (M16/6) | ||
| 21 | Disconnect electrical connector at electric air pump (M33) | ||
| 22 | Reduce fuel pressure with pressure hose via service valve (10) | AR07.03-P-1460-01VA | |
| Figure | |||
| 23 | Disconnect fuel line (11) from fuel distributor (2) | ||
| Fig 3 | |||
| *BA07.03-P-1001-01B | |||
| 24 | Remove bolts (7a) | *BA09.20-P-1001-01N | |
| 25 | Lift the resonance intake manifold (7) to front and detach pneumatic lines (12) from connection fittings at resonance intake manifold (7) | ||
| 26 | Take out the resonance intake manifold (7) | ||
| 27 | Cover the openings in the cylinder heads | ||
| Only perform work steps 28 to 31 when replacing the resonance intake manifold | |||
| 28 | Detach left control unit holder (3l) from resonance intake manifold (7) | *BA07.08-P-1002-01A | |
| 29 | Detach the fuel distributor (2) with the fuel injection valves (Y62) from the resonance intake manifold (7) | *BA07.03-P-1002-01B | |
| 30 | Detach the throttle valve actuator (M16/6) from the resonance intake manifold (7) | *BA07.61-P-1001-01D | |
| 31 | Remove left intake manifold tumble flap position sensor (B28/9) and right intake manifold tumble flap position sensor (B28/10) from resonance intake pipe (7) | ||
| 32 | Install in the reverse order | ||
| Checking | |||
| Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the running engine | Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not grasp hot or rotating parts. |
AS00.00-Z-0005-01A | |
| 33 | Carry out an engine test run and check the intake tract and fuel system for leaks |
| Number | Designation | Engine 272 | Engine 273 | |
|---|---|---|---|---|
| BA07.08-P-1002-01A | Bolt, control unit holder to resonance intake manifold | Nm | 8 | 8 |
| Number | Designation | Engine 272 | Engine 273 | |
|---|---|---|---|---|
| BA15.18-P-1001-01B | Bolt, feed line duct to resonance intake manifold | Nm | 8 | 8 |
| BA15.18-P-1002-01B | Bolt connecting feed line duct to cylinder head cover | Nm | 8 | 8 |
| BA15.18-P-1003-01B | Bolt, feed line duct to motor suspension lug | Nm | 8 | 8 |
| Number | Designation | Engine 272 | Engine 273 | ||
|---|---|---|---|---|---|
| BA01.30-P-1005-01O | Bolt connecting suspension lug to cylinder head | M8 | Nm | 20 | 20 |
| Number | Designation | Engine 272 without code 917 | Engine 272 with code 917 | Engine 273 | |
|---|---|---|---|---|---|
| BA07.03-P-1001-01B | Union nut, fuel feed line to fuel distributor | Nm | 20 | 20 | 20 |
| BA07.03-P-1002-01B | Bolt connecting fuel distributor to resonance intake manifold | Nm | 9 | 9 | 9 |
| Number | Designation | Engine 272 | Engine 273 | |
|---|---|---|---|---|
| BA09.20-P-1001-01N | Bolt connecting resonance intake manifold to cylinder head | Nm | 9 | 9 |
| Number | Designation | Engine 272 | Engine 273 | |
|---|---|---|---|---|
| BA07.61-P-1001-01D | Bolt connecting throttle valve actuator to resonance intake manifold | Nm | 9 | 9 |