Remove/install SCR frame module control unit - AR14.40-P-2020GZB
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ENGINE 642 in MODEL 164, 251 with CODE (U42) BlueTEC diesel exhaust treatment (SCR)
MODIFICATION NOTES
| 22.10.08 | Information on preventing damage to electronic components due to electrostatic discharge newly included | |
| Bring ignition lock in position "0" - added | Step 1 | |
| Notes on use, substance properties and handling of AdBlue® - added | Step 10 |
| Remove/install | |||
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| 1 | Bring ignition lock into position "0" | ||
| 2 | Expose AdBlue® control unit (N118/5) in trunk | ||
| 3 | Disconnect and detach electrical connectors (2, 3, 4, 5, 6) on KEYLESS-GO control unit (N69/5) | Vehicles with Keyless - Go code 889: | |
| 4 | Unscrew plastic nuts (1) on holder for the KEYLESS-GO control unit (N69/5) and AdBlue® control unit (N118/5) | ||
| 5 | Loosen and turn holder for the KEYLESS-GO control unit (N69/5) and AdBlue® control unit (N118/5) | ||
| 6 | Unscrew nuts (7) | ||
| 7 | Disconnect electrical connector on AdBlue® control unit (N118/5) | ||
| 8 | Remove AdBlue® control unit (N118/5) | ||
| 9 | Install in the reverse order | ||
| Risk of burn injuries and scalding when working at AdBlue® lines and the components attached to them. Risk of injury to skin and eyes when handling AdBlue®. Risk of poisoning from swallowing AdBlue® | Only pour AdBlue® into suitable containers. Only begin work on the exhaust aftertreatment system after releasing the pressure. | AS14.40-Z-0001-01A | |
| 10 | Fill AdBlue® tank. | After replacing the AdBlue® control unit (N118/5) | AR14.40-P-2014-02GZB |
Ensure utmost cleanliness. Attach rear apron protector and cover AdBlue® tank over a large area around the filler neck with a number of layers of absorbent paper to prevent fouling of the interior coverings. Fender and rear apron protector gotis://K 68-80 01.0 BLUETEC AdBlue® filling pumps gotis://D 09/14/49 01.1 |
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AdBlue® tank |
*BF14.40-P-1001-01A | ||
| Notes on use, material properties and handling AdBlue® | AH14.40-N-0001-01AB | ||
| NOx reducing agent AUS 32 ("AdBlue®") for SCR systems | Sheet 352.0 | BB00.40-P-0352-00A | |
| 11 | Write fill level of AdBlue® tank using STAR DIAGNOSIS in the AdBlue® control unit (N118/5) | After replacing the AdBlue® control unit (N118/5) | |
| Connect STAR DIAGNOSIS and read out fault memory | AD00.00-P-2000-04A |
FILLING CAPACITY FOR BLUETEC (SCR) DIESEL EXHAUST TREATMENT
| Number | Designation | Engine 642 model 164.1 | Engine 642 model 164.8 | ||
|---|---|---|---|---|---|
| BF14.40-P-1001-01A | AdBlue® tank | Filling capacity for the initial filling | Liters | 28.1 | 33.3 |
| Specifications for service products | Sheet | BB00.40-P-0352-01A | BB00.40-P-0352-01A | ||
FILLING CAPACITY FOR BLUETEC (SCR) DIESEL EXHAUST TREATMENT
| Number | Designation | Engine 642 in model 251 | ||
|---|---|---|---|---|
| BF14.40-P-1001-01A | AdBlue® tank | Filling capacity for the initial filling | Liters | 29.0 |
| Filling capacity for a service filling | Liters | 28.2 | ||
| Specifications for service products | Sheet | BB00.40-P-0352-01A | ||