AR42.45-P-0820EW Remove/install electronic stability program (ESP) control unit 06.09.2016

Model 166, 207, 212, 218, 292

P42.45-2711-09

Shown on MODEL 212 up to model year 2014 with CODE 233 (DISTRONIC PLUS)

1 ESP® control unit 5 Valve tower

2 Electrical connector 6 Bracket

3 Bolts 7 Hydraulic unit

4 O-ring

Risk of poisoningDanger ! from swallowing brake Only pour brake fluid into suitable and AS42.50-Z-0001-01A fluid. Risk of injury from skin and eye contact appropriately marked containers. Wear with brake fluid protective clothing and eye protection when

handling brake fluid.

Notes on repairs to brake system AH42.00-P-0003-01A

Information on preventing damage to AH54.00-P-0001-01A electronic components due to electrostatic

discharge

Brake fluid notes AH42.50-P-0001-01A

Remove/install

1 Switch off ignition and keep transmitter key at a location beyond transmitter range (at least 2 m)

2 Open engine hood 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 2015Model 212 with engine 156, 272, 273, 642 up to model year 2015

Model 218 with engine 157, 642 up to model year 2015

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.

5 Disconnect electrical connector (2) Model 207, 212, 218

Page 1 of 3© Daimler AG, 2/14/18, B/02/18, ar42.45-p-0820ew, Remove/install electronic stability program (ESP) control unitModel 166, 207, 212, 218, 292

Model 207, 212 AR42.45-P-0820-02EWD up to model year 2014 with code 233 (DISTRONIC PLUS)

Model 218 up to model year 2015 with code 233 (DISTRONIC PLUS)

Model 207, 212 AR42.45-P-0820-02EW as of model year 2014

Model 207, 212 up to model year 2014 except code 233 (DISTRONIC PLUS)Model 218 as of model year 2015

Model 218 up to model year 2015 except 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.

*000589206300 Model 207, 212 as of model year 2014Model 207, 212 up to model year 2014

except code 233 (DISTRONIC PLUS)Model 218 as of model year 2015Model 218 up to model year 2014

with code 233 (DISTRONIC PLUS)Unlocking tool

6 Unclip bracket (6) from washer fluid reservoir Model 212 up to model year 2015

7 Installation: 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.

Installation: The screws/bolts (3) must be replaced.

*BA42.45-P-1005-01J Model 166, 292Screw/bolt, ESP® control unit to traction system hydraulic unit

*BA42.45-P-1002-01M Model 207, 212, 218Screw/bolt, ESP® control unit to traction system hydraulic unit

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.

9 Model 166, 292 Disconnect electrical connector (2) AR42.45-P-0820-02EWD with code 233 (DISTRONIC PLUS)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)

Model 166, 292 AR42.45-P-0820-02EW except code 233 (DISTRONIC PLUS)

Model 207, 212 as of model year 2014Model 207, 212 up to model year 2014 except code 233 (DISTRONIC PLUS)

Model 218 as of model year 2015Model 218 up to model year 2015 except code 233 (DISTRONIC PLUS)

Page 2 of 3© Daimler AG, 2/14/18, B/02/18, ar42.45-p-0820ew, Remove/install electronic stability program (ESP) control unitModel 166, 207, 212, 218, 292

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.

*000589206300 Model 166, 292

except code 233 (DISTRONIC PLUS)Unlocking tool

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.

Clean

12 Clean sealing surface on hydraulic unit (7)

13 Install in the reverse order

14 Calibrate ESP® control unit (1) using When replacing ESP® control unit (1).diagnostic system

AD00.00-P-2000-04A

15 Connect diagnostic system, read out fault

memory and clear

AD00.00-P-2000-04A

Electronic Stability Program (ESP®)

Number Designation Model 207 Model 212

BA42.45-P-1002-01M Screw/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 Screw/bolt, ESP® control unit to traction system hydraulic unit Nm 5

Electronic Stability Program (ESP)

Number Designation Model 166 Model 292

BA42.45-P-1005-01J Screw/bolt, ESP® control unit to traction system hydraulic unit Nm 5 5

000 589 20 63 00

Unlocking tool

Page 3 of 3© Daimler AG, 2/14/18, B/02/18, ar42.45-p-0820ew, Remove/install electronic stability program (ESP) control unitModel 166, 207, 212, 218, 292