Checking oil pressure of power steering pump - AR46.30-P-0100W
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2016 Mercedes-Benz E63 S AMG, 2016 Mercedes-Benz E400, 2016 Mercedes-Benz E350, 2016 Mercedes-Benz E300, and 2016 Mercedes-Benz E250. However, it is still accessible from the selected car via links, so may be relevant.
MODEL 172 with ENGINE 152, 271, 276, 651
MODEL 204, 207, 251 with ENGINE 276
MODEL 212 with ENGINE 276
Shown on engine 271
| Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning from swallowing hydraulic fluid. | Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses. | AS00.00-Z-0013-01A | |
| Remove | |||
| 1 | Open engine hood | MODEL 172 with ENGINE 152, 271, 276, 651 MODEL 204, 207, 251 with ENGINE 276 MODEL 212 with ENGINE 276 |
|
| MODEL 172 with ENGINE 152, 271, 276, 651 | AR88.40-P-1000V | ||
| MODEL 204.3, 207, 212 with ENGINE 276 | AR88.40-P-1000EW | ||
| MODEL 251 with ENGINE 276 | AR88.40-P-1000RT | ||
| 2.1 | Remove engine vacuum duct | MODEL 172 with ENGINE 271 | |
| 2.2 | Remove front upper engine cover. | MODEL 172 with ENGINE 152, 276, 651 MODEL 204, 207, 251 with ENGINE 276 MODEL 212 with ENGINE 276 |
|
| 3 | Extract oil from power steering expansion reservoir | Even the smallest dirt particles, introduced into the hydraulic components, can lead to malfunctions and a total failure of the hydraulic system. |
|
| Figure | |||
| 4 | Detach pressure line (1) from power steering pump (2) | ||
| 5 | Attach test adapter (4) to pressure line (1) | Figure | |
| 6 | Attach test adapter (3) to power steering pump (2) | Figure | |
| 7 | Attach test equipment (6) between test adapter (4) and test adapter (3) | Figure | |
| 8 | Fill and bleed power steering pump (2) | MODEL 212 with ENGINE 276 | AR46.30-P-0010EW |
| MODEL 172 with ENGINE 276 | AR46.30-P-0010V | ||
| MODEL 204, 207 with ENGINE 276 | AR46.30-P-0010CW | ||
| MODEL 251 with ENGINE 276 | AR46.30-P-0010RT | ||
| 9 | Start engine and allow it to run at engine speed of approx. 1000 rpm | ||
| Check | |||
| 10 | Close throttle valve (5) and check maximum operating pressure | MODEL 172 with ENGINE 152, 271, 276, 651 MODEL 204, 207 with ENGINE 276 MODEL 212 with ENGINE 276 |
*BE46.30-P-1001-01G |
| MODEL 251 with ENGINE 276 | *BE46.30-P-1001-01E | ||
| 11 | Turn off engine | ||
| 12 | Extract oil from power steering expansion reservoir | Figure | |
| 13 | Detach testing unit (6) | ||
| 14 | Detach test adapter (4) and test adapter (3) | ||
| Install | |||
| 15 | Attach pressure line (1) to power steering pump (2) | MODEL 251 with ENGINE 276 |
*BA46.30-P-1003-01V |
MODEL 172 with ENGINE 152, 271, 276, 651 MODEL 204, 207 with ENGINE 276 |
*BA46.30-P-1004-01R | ||
MODEL 212 with ENGINE 276 |
*BA46.30-P-1004-01T | ||
| 16 | Fill and bleed power steering pump (2) | MODEL 212 with ENGINE 276 | AR46.30-P-0010EW |
| MODEL 172 with ENGINE 152, 271, 276, 651 | AR46.30-P-0010V | ||
| MODEL 204, 207 with ENGINE 276 | AR46.30-P-0010CW | ||
| MODEL 251 with ENGINE 276 | AR46.30-P-0010RT | ||
| Check | |||
| 17 | Test run engine and check steering system for leaks | ||
| Install | |||
| 18.1 | Install engine air intake duct | MODEL 172 with ENGINE 271, 651 | |
| 18.2 | Install front upper engine cover | MODEL 172 with ENGINE 152, 276, 651 MODEL 204, 207, 251 with ENGINE 276 MODEL 212 with ENGINE 276 |
|
| 19 | Close engine hood | MODEL 172 with ENGINE 152, 271, 276, 651 MODEL 204, 207, 251 with ENGINE 276 MODEL 212 with ENGINE 276 |
|
| MODEL 172 with ENGINE 152, 271, 276, 651 | AR88.40-P-1000V | ||
| MODEL 204.3, 207 with ENGINE 276 MODEL 212 with ENGINE 276 |
AR88.40-P-1000EW | ||
| MODEL 251 with ENGINE 276 | AR88.40-P-1000RT |
POWER STEERING PUMP TEST SPECIFICATIONS
| Number | Designation | MODEL 172 | MODEL 204 | |
|---|---|---|---|---|
| BE46.30-P-1001-01G | Pressure in power steering pump | bar | 120...128 | 120...128 |
POWER STEERING PUMP TEST SPECIFICATIONS
| Number | Designation | MODEL 207 | MODEL 212 | |
|---|---|---|---|---|
| BE46.30-P-1001-01G | Pressure in power steering pump | bar | 120...128 | 120...128 |
POWER STEERING PUMP TEST SPECIFICATIONS
| Number | Designation | MODEL 251 | |
|---|---|---|---|
| BE46.30-P-1001-01E | Pressure in power steering pump | bar | 124 (±4) |
POWER STEERING PUMP
| Number | Designation | MODEL 212 | ||
|---|---|---|---|---|
| BA46.30-P-1004-01T | Attachment, high pressure expansion hose to power steering pump | Union nut | Nm | 40 |
| Banjo bolt | Nm | 45 | ||
| Screw M8 | Nm | 18 | ||
POWER STEERING PUMP
| Number | Designation | MODEL 172 with ENGINE 271, 276, 651 | MODEL 172 with ENGINE 152 | ||
|---|---|---|---|---|---|
| BA46.30-P-1004-01R | Attachment, high-pressure expansion hose of rack-and-pinion steering to power steering pump or tandem pump | Union nut | Nm | 40 | - |
| Banjo bolt | Nm | - | - | ||
| Bolt M8 | Nm | 18 | 18 | ||
POWER STEERING PUMP
| Number | Designation | MODEL 204 with ENGINE 156, 271, 272, 274, 276, 642, 646 | MODEL 207 | ||
|---|---|---|---|---|---|
| BA46.30-P-1004-01R | Attachment, high-pressure expansion hose of rack-and-pinion steering to power steering pump or tandem pump | Union nut | Nm | 40 | - |
| Banjo bolt | Nm | 45 | - | ||
| Bolt M8 | Nm | 18 | 18 | ||
POWER STEERING PUMP
| Number | Designation | MODEL 251 with ENGINE 276 | ||
|---|---|---|---|---|
| BA46.30-P-1003-01V | Attachment, high-pressure expansion hose of rack-and-pinion steering to power steering pump | Union nut | Nm | 40 |
| Banjo bolt | Nm | 45 | ||
| Screw M8 | Nm | 18 | ||