Shown on model Bolts 6 Oil lines 5 Screw 7 Adjusting screw Shown on model 209

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Jasper Powers
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AR46.20-P-0003Q Replace bottom radial shaft sealing ring on control head 4.5.

Shown on model 209 1 Clamps 2 Bellows 3 Inner tie rods with axial joint P46.

model 209 P46.20-2194-08 8 Stop plate 9 Cap 10 Bolts 12 Control head P46.

1 AR46.20-P-0003Q Replace bottom radial shaft sealing ring on control head MODEL 203, 209 except CODE (213) Speed-sensitive power steering MODEL 215, 220 Shown on model Clamps 2 Bellows 3 Inner tie rods with axial joint P Shown on model Bolts 6 Oil lines 5 Screw 7 Adjusting screw Shown on model 209 P Stop plate 9 Cap 10 Bolts 12 Control head P Copyright Daimler AG 10/4/17 G/01/08. This WIS printout will not be recorded by the update service. Page 1

Shown on model 209 11 Stud bolt 12 Control head 13 Radial shaft seal 14

20-2198-06 14 Steering gear housing 16 Stop ring P46.

9-11 Modification notes P46.20-2202-08 20.1.04 Due to tight tolerances the

2 Shown on model Stud bolt 12 Control head 13 Radial shaft seal 14 Steering gear housing 15 Disk spring Shown on model 209 P Steering gear housing 16 Stop ring P Modification notes P Due to tight tolerances the vehicle does not have to be measured anymore after replacing the lower radial sealing ring Copyright Daimler AG 10/4/17 G/01/08. This WIS printout will not be recorded by the update service. Page 2

3 Danger! Danger! Remove/install Risk of accident caused by vehicle starting Secure vehicle to prevent it from moving by off by itself when engine is running. Risk of itself. injury caused by contusions and burns Wear closed and snug-fitting work clothes. during starting procedure or when working near the engine as it is running Do not touch hot or rotating parts. AS00.00-Z A Risk of death caused by vehicle slipping or Align vehicle between columns of vehicle lift AS00.00-Z A toppling off of the lifting platform. and position four support plates at vehicle lift support points specified by vehicle manufacturer. 1 Remove rack-and-pinion steering Model 203 except models AR46.20-P-0600P /084/281/284, model 209 Model /084/281/284 AR46.20-P-0600PW Model /374/375/376/378/379, AR46.20-P-0600I /026/028/063/065/067/070/073/ 074/075/125/126/128/163/165/167/ 170/173/174/175/178/875/878 Model /084/087/183/184/187 Model /179 2 Mount rack-and-pinion steering into steering Ensure that the workplace is scrupulously gear housing mounting device clean when carrying out the work described below and while performing repairs! Only the specified tools may be used! Before starting repair, remove loose dirt from steering gear without using cleaning agent! Steering gear housing support 3 Remove clamps (1) of both bellows (2) Installation: Replace clamps (1). 4 Push outer clamps together and slide bellows (2) towards the tie rod end 5 Detach inner tie rods with axial joint (3) Do not use force (hammer blows, excessive leverage) otherwise the inner tie rod with axial joint (3) will be damaged. Disassemble 6 Remove bolts (4) 7 Remove screw (5) 8 Detach oil lines (6) Secure the steering rack to prevent it from twisting and counter with a 22 mm open wrench. Inner track rod with axial joint to rackand-pinion steering Open-end wrench Torque wrench 9 Unscrew adjusting screw (7) Mark the position before unscrewing the adjusting screw (7). 10 Take out push spring The thrust piece can remain in the steer jacket (14). 11 Mount stop plates (8) at left and right to the rack-and-pinion 12 Remove cap (9) 13 Remove bolts (10) 14 Turn in studs (11) To remove the control head (12) the stud (11) must be screwed in in order not to damage the radial shaft sealing ring (13) and tooth flanks. The stud (11) can be shop-made (M8 50 mm) Rotate input shaft clockwise Left hand drive vehicle steering Turn clockwise until the stop plate (8) abuts the steer jacket (14) Rotate input shaft anti-clockwise Right hand drive vehicle steering Turn counterclockwise until the stop plate (8) abuts the steer jacket (14). AR46.20-P-0600IW AR46.20-P-0600M * *BA46.40-P E * * Copyright Daimler AG 10/4/17 G/01/08. This WIS printout will not be recorded by the update service. Page 3

4 16 Continue pressing with light pressure against Until the control head (12) with input the stop shaft lifts off the steer jacket (14). 17 Remove control head (12) The control head (12) must be removed with the input shaft in order to avoid damage to the control head (12). 18 Remove spring washer (15) 19 Unscrew stud (11) 20 Remove oil which has leaked into control In order to rule out contamination, do not head (12) from rack-and-pinion steering. use any cleaning agents, shop towels or cleaning cloths, as the function can be impaired if the gear rack is exposed to dirt. Turn rack-and-pinion steering with opening facing downwards and allow oil to drain out. 21 Remove radial shaft sealing ring (13). Do not attach the puller to the thread and not too far inside so that the thread and seat of the O-ring are not damaged. Assemble Puller dia. 28 to 37 mm Countersupport * * Grease outer surface of the radial shaft Use a finger to coat MB-multipurpose sealing ring (13) grease. Do not use any other aid. MB multipurpose grease 23 Drive in radial shaft sealing ring (13) Check drift and guide sleeve are correctly seated, as otherwise the radial shaft sealing ring (13) will be damaged. Pay attention to correct installation position of radial shaft sealing ring (13). Drift Guide sleeve 24 Grease inner lip of radial shaft sealing ring Use a finger to coat MB-multipurpose (13) grease. Do not use any other aid. MB multipurpose grease 25 Insert spring washer (15) Insert spring washer (15) with the curvature towards the steer jacket (14). 26 Turn in studs (11) The studs (11) must be turned in to install the control head (12), in order to avoid any damage to the radial shaft sealing ring (13) and tooth flanks. 27 Slide in control head (12) as far as possible. Replace O-ring, in order to avoid leakage Rotate input shaft anti-clockwise Left hand drive vehicle steering Turn carefully! Teeth faces can be damaged. * Turn to the left until the bearing of the input shaft is located in the guide in the steer jacket (14) Rotate input shaft clockwise Right hand drive vehicle steering 29 Unscrew stud (11) Turn carefully! Teeth faces can be damaged. * Turn to right, until the input shaft bearing is positioned in the guide in the steer jacket (14). 30 Screw in screws (10) Turn in gradually to avoid any tilting. Model 203, 209 Control head to steering housing Model 215, 220 Control head to steering housing *BR00.45-Z A * * *BR00.45-Z A *BA46.20-P F *BA46.20-P E 31 Move steering rack to center position Dismantle the stop plate (8) on both sides of the steering rack. Use depth gauge to determine center position. Balance out the gaps from the end of the steering rack to the stop ring (16) in the steer jacket (14) on both sides of the steering rack. Copyright Daimler AG 10/4/17 G/01/08. This WIS printout will not be recorded by the update service. Page 4

5 32 Grease gap between input shaft and control Use a finger to coat MB-multipurpose head (12) (arrow) grease. Do not use any other aid. MB multipurpose grease 33 Slide on covering cap (9) The marking on the cap (9) must match the marking on the control head (12) (arrow). 34 Install oil lines (6) Replace O-rings in order to avoid leakage. 35 Screw in bolts (5) Model 203, 209 Oil line to control head Model 215, 220 Oil line to control head *BR00.45-Z A *BA46.20-P F *BA46.20-P E 36 Screw in screws (4) Observe tightening torque, as otherwise the steer jacket (14) will be damaged. Model 203, 209 Oil line to steering housing Model 215, 220 Oil line to steering housing 37 Insert push spring On model 203 up to steering gear number ##### (LHD standard) ##### (RHD standard) replace the thrust piece. 38 Screw in adjusting screw (7) *BA46.20-P F *BA46.20-P E 39 Setting play between thrust element and AR46.20-P-0601P steering rack 40 Check rack for easy motion by turning manually. 41 Install in the reverse order 42 Check rack-and-pinion steering for proper Turn steering wheel several times from function. * lock to lock. Check oil level in steering. Check steering leaktightness. Check steering function at slow and fast cornering. Steering gear Number Designation Model Model Model /026/ /084/ 028/063/065/ 087/183/184/ 067/070/073/ /075/125/ 126/128/163/ 165/167/170/ 173/174/175/ 176/178/179/ 875/878 BA46.20-P E Control head to steer jacket Nm 18 ( 2) 18 ( 2) 18 ( 2) BA46.20-P E Oil line to control head Nm 28 ( 8) 28 ( 8) 28 ( 8) BA46.20-P E Oil line to steer jacket Stage 1 Nm nd stage, loosen Stage 3 Nm Steering gear Number Designation Model Model BA46.20-P F Control head to steer jacket Nm BA46.20-P F Oil line to control head Nm 18 ( 2) 18 ( 2) 18 ( 2) 18 ( 2) Copyright Daimler AG 10/4/17 G/01/08. This WIS printout will not be recorded by the update service. Page 5

BA46.20-P-1010-01F Oil line to steer jacket Stage 1 Nm 100 100 2nd stage, loosen -20-20 Stage 3 Nm 90 90 Tie rod Number Designation Model 203 Model Model except 203.

40-P-1003-01E Inner track rod with axial joint to Nm 110 110 110 rack-and-pinion joint Tie rod Number Designation Model 215 Model 220 Model except 220.

40-P-1003-01E Inner track rod with axial joint to Nm 110 110 110 rack-and-pinion joint 203 589 04 31 00 203 589 04 31 03 201 589 00 01 00 210 589 05 15 00 Steering

6 BA46.20-P F Oil line to steer jacket Stage 1 Nm nd stage, loosen Stage 3 Nm Tie rod Number Designation Model 203 Model Model except / / 084/281/ 084/281 / BA46.40-P E Inner track rod with axial joint to Nm rack-and-pinion joint Tie rod Number Designation Model 215 Model 220 Model except / model 084/087/ / 183/184/ 084/087/ /184/ 187 BA46.40-P E Inner track rod with axial joint to Nm rack-and-pinion joint Steering gear housing support Open end wrench Drift Guide sleeve Puller, dia mm Counter stay Torque wrench Auxiliary repair materials Number Designation Order number BR00.45-Z A MB multipurpose grease A Copyright Daimler AG 10/4/17 G/01/08. This WIS printout will not be recorded by the update service. Page 6

AR46.20-P-0601P Setting play between thrust element and steering rack MODEL 203, 209, 211, 215, 220

AR46.20-P-0601P Setting play between thrust element and steering rack 4.5.07 1 Stop plate 2 Adjusting screw 3 Thrust piece 4 Rack 2 Adjusting screw P46.20-2178-09 14 housing 16 Stop ring P46.20-2181-01