Remove/install electronic stability program (ESP) control unit - AR42.45-P-0820EW
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MODEL 166, 207, 212, 218
Shown on MODEL 212 up to model year 2014 with CODE 233 (DISTRONIC PLUS)
| Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid | Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. | AS42.50-Z-0001-01A | |
| Notes on repairs to brake system | AH42.00-P-0003-01A | ||
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Brake fluid notes | AH42.50-P-0001-01A | ||
| Remove/install | |||
| 1.1 | Switch off ignition and remove transmitter key from electronic ignition lock control unit | MODEL 166, 207, 212, 218 without CODE 889 (KEYLESS-GO) |
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| 1.2 | Switch off ignition and remove transmitter key or KEYLESS-GO start/stop button from electronic ignition lock control unit | MODEL 166, 207, 212, 218 with CODE 889 (KEYLESS-GO) |
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| 2 | Open engine hood | MODEL 166, 207, 212, 218 | |
| MODEL 166 | AR88.40-P-1000GQ | ||
| MODEL 207, 212 | AR88.40-P-1000EW | ||
| 3 | Remove the left engine intake air duct | MODEL 207 with ENGINE 272, 273, 642 up to model year 2015 MODEL 212 with ENGINE 156, 272, 273, 642 up to model year 2015 MODEL 218 with ENGINE 157, 642 up to model year 2015 |
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| Clean | |||
| 4 | Clean the area surrounding the electrical connection (2) for the ESP® control unit (1) | Clean thoroughly with clean, lint-free rag and assembly cleaner only. Otherwise, even the smallest particles of dirt introduced into the ESP® control unit (1) can lead to malfunctions and a total failure of the brake system. |
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| Assembly cleaner | *BR00.45-Z-1028-04A | ||
| 5 | Disconnect electrical connector (2) | MODEL 207, 212, 218 | |
| MODEL 207, 212 up to model year 2014 with CODE 233 (DISTRONIC PLUS) MODEL 218 up to model year 2015 with CODE 233 (DISTRONIC PLUS) |
AR42.45-P-0820-02EWD | ||
| MODEL 207, 212 as of model year 2014 MODEL 207, 212 up to model year 2014 without CODE 233 (DISTRONIC PLUS) MODEL 218 as of model year 2015 MODEL 218 up to model year 2015 without CODE 233 (DISTRONIC PLUS) Observe instructions on disconnecting. Otherwise the locking mechanism may be damaged. Do not touch, deform or damage contacts of connector and jack. Otherwise the function may be impaired. Do not allow any foreign objects, dirt or fluids to enter the jack or connector. Otherwise, the function of the brake system may be impaired. |
AR42.45-P-0820-02EW | ||
as of model year 2014 MODEL 207, 212 up to model year 2014 without CODE 233 (DISTRONIC PLUS) MODEL 218 as of model year 2015 MODEL 218 up to model year 2014 with CODE 233 (DISTRONIC PLUS) Unlocking tool |
Figure | ||
| 6 | Unclip bracket (6) from washer fluid reservoir | MODEL 212 up to model year 2015 |
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| 7 | Remove bolts (3) | Use exact specified tightening torques only. Too large tightening torques result in damage to the ESP® control unit (1), too small tightening torques result in poor connection in the contact areas. |
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MODEL 166 |
*BA42.45-P-1005-01J | ||
MODEL 207 MODEL 212 MODEL 218 |
*BA42.45-P-1002-01M | ||
| 8 | Detach ESP® control unit (1) from hydraulic unit (7) | Do not touch contact areas and sealing silicone on the ESP® control unit (1) by hand or with a tool. Otherwise, damage and leaks may occur. |
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| 9 | Disconnect electrical connector (2) | MODEL 166 with CODE 233 (DISTRONIC PLUS) |
AR42.45-P-0820-02EWD |
| MODEL 166 without CODE 233 (DISTRONIC PLUS) Observe instructions on disconnecting. Otherwise the locking mechanism may be damaged. Do not touch, deform or damage contacts of connector and jack. Otherwise the function may be impaired. Do not allow any foreign objects, dirt or fluids to enter the jack or connector. Otherwise, the function of the brake system may be impaired. |
AR42.45-P-0820-02EW | ||
without CODE 233 (DISTRONIC PLUS) Unlocking tool |
Figure | ||
| 10 | Remove ESP® control unit (1) from engine compartment | ||
| 11 | Remove O-rings (4) from valve dome (5) by hand | Do not use tools. Otherwise, the hydraulic unit (7) will be damaged. |
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| Clean | |||
| 12 | Clean sealing surface on hydraulic unit (7) | Assembly cleaner | *BR00.45-Z-1028-04A |
| 13 | Install in the reverse order | ||
| 14 | Calibrate ESP® control unit (1) using diagnostic system | When replacing ESP® control unit (1). | |
| AD00.00-P-2000-04A | |||
| 15 | Read out and erase fault memory | ||
| AD00.00-P-2000-04A |
ELECTRONIC STABILITY PROGRAM (ESP)
| Number | Designation | MODEL 207 | MODEL 212 | |
|---|---|---|---|---|
| BA42.45-P-1002-01M | Bolt, ESP control unit to traction system hydraulic unit | Nm | 5 | 5 |
ELECTRONIC STABILITY PROGRAM (ESP)
| Number | Designation | MODEL 218 | |
|---|---|---|---|
| BA42.45-P-1002-01M | Bolt, ESP control unit to traction system hydraulic unit | Nm | 5 |
ELECTRONIC STABILITY PROGRAM (ESP)
| Number | Designation | MODEL 166 | |
|---|---|---|---|
| BA42.45-P-1005-01J | Bolt, ESP control unit to traction system hydraulic unit | Nm | 5 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1028-04A | Assembly cleaner |