Remove/install temperature sensor upstream of SCR catalytic converter - AR14.40-P-2011GZB
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 Mercedes-Benz ML350, 2010 Mercedes-Benz ML350, 2009 Mercedes-Benz ML320, 2009 Mercedes-Benz GL320, and 2008 Mercedes-Benz ML320. However, it is still accessible from the selected car via links, so may be relevant.
ENGINES 642 with CODE (U42) BlueTEC diesel exhaust treatment (SCR)
Shown on model 251.1 with removed propeller shaft
MODIFICATION NOTES
| 5.7.10 | Read out DTC memory, added | Operation step 7 |
| Remove/install | |||
| Risk of injury to skin and eyes caused by handling hot or glowing objects. | Wear safety gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| 1.1 | Detach right underfloor paneling on rocker panel or in the area of the temperature sensor (B16/15) | Model 221 | |
| 1.2 | Disconnect electrical connector (1) | All except model 221 | |
| 2 | Pull electrical feed line for the temperature sensor (B16/15) out of the retaining clamps | ||
| 3 | Route electrical feed line with plug under the bracket on the transmission | Model 164, 251 | |
| 4 | Remove cable tie, disconnect electrical feed line on electrical connector and pass through between heat shield and undercarriage | Model 221 |
|
| 5 | Unscrew temperature sensor (B16/15) | *BA14.40-P-1006-02A | |
| 6 | Install in the reverse order | ||
| 7 | Connect STAR DIAGNOSIS, read out fault memory and erase if necessary | AD00.00-P-2000-04A |
EXHAUST AFTERTREATMENT, BLUE TEC
| Number | Designation | ENGINE 642 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) | |
|---|---|---|---|
| BA14.40-P-1006-02A | Temperature sensor for exhaust temperature measurement upstream of SCR catalytic converter | Nm | 45 |