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Remove/install |
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Risk of death
caused by vehicle slipping or toppling off of the lifting platform. |
Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. |
AS00.00-Z-0010-01A |
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If there is visible damage, e.g. crack formation or deformation of the front axle carrier, these parts must be replaced |
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Notes on self-locking nuts and bolts |
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AH00.00-N-0001-01A |
| 1 |
Extend the adjustable steering column fully or push out |
Needed for separating the steering coupling (25). |
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| 2.1 |
Switch off easy entry/exit function for driver seat and steering wheel |
Only vehicles with memory package (driver seat, steering column, mirrors) code 275.
Otherwise, move driver seat and steering wheel to a different position, e.g. if the driver door is opened/closed. Damage to the upper frame l can occur when the holding device is installed.
It is switched off using the buttons on the steering wheel in the "Comfort" menu on the multifunction display, see vehicle owner's manual. |
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| 3 |
Remove left and right front axle shaft |
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AR33.30-P-0620P |
| 4 |
Insert supporting joints back into lower transverse control arm and secure with a nut |
Supporting joints are pressed off after removing front axle shafts. |
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| 5 |
Remove engine suction fan ducts in front of air filter |
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| 6.1 |
Detach air filter housing from above vertically from the cylinder head covers |
Model 203 with engine 112
Installation:
Moisten slightly with anti-friction agent the rubber retainers on the cylinder head covers and the sealing ring of the hot film mass air flow sensor in the air filter housing. |
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Lubricant paste |
*BR00.45-Z-1002-06A |
| 6.2 |
Remove air filter housing |
Model 203 with engine 272 |
AR09.10-P-1150QB |
| 7 |
Extract fluid out of the power steering pump's fluid reservoir |
Hand pump |
Figure |
| 8 |
Mount engine support bracket and raise engine slightly |
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AR33.10-P-0100-01P |
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Engine carrier arm |
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| 9 |
Detach suspension struts (11) from dome |
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*BA32.25-P-1011-01B |
| 10 |
Detach return line of rack-and-pinion steering (23) from front axle carrier (1) |
Nuts between engine and radiator, nut in front of the right-hand engine mount and nut in front of steering coupling (25). |
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| 11 |
Separate connectors for contact sensor of brake lining wear indicator and rpm sensor in wheelhouse and unclip lines |
Press against spring (arrow) to remove. The plug for the brake pad wear sensor is present on the right-hand side only. |
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Notes on installing brake pad wear sensor contact sensors |
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AH42.10-P-0003-01A |
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Risk of poisoning
caused by swallowing brake fluid. Risk of injury caused by brake fluid coming into contact with skin and eyes |
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 |
| 12 |
Unscrew brake lines (5) on left and right of brake hose and seal openings |
Seal off line connections immediately with plugs. The brake fluid reservoir must not be allowed to empty completely. |
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Notes on installing brake hoses |
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AH42.10-P-9406-01A |
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Brake fluid notes |
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AH42.50-P-0001-01A |
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Box wrench bit |
Figure |
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Set of plugs
Installation:
The brake hoses must not be twisted after tightening. |
Figure |
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*BA42.10-P-1001-04A |
| 13 |
Installing protective washers to protect brake disk dust shields |
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AR42.00-P-0100-01A |
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Guard plate |
Figure |
| 14 |
Detach exhaust shielding plate over the right rubber boot of rack-and-pinion steering (23) |
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| 15 |
Detach exhaust shielding plate of steering coupling (23k) on control valve of rack and pinion steering (23) |
Three bolts. |
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| 16 |
Remove lower bolt (25b) from steering coupling (25) |
To do so rotate steering coupling (25) into corresponding position. |
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*BA46.10-P-1002-01E |
| 17 |
Turn steering wheel to center position (front wheels in straight-ahead position) and fix in place |
Retainer |
Figure |
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On a disengaged steering coupling (25) the steering wheel should not be turned because the spiral contact coil will be destroyed. |
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| 18 |
Carefully pull steering coupling (25) out of control valve of rack-and-pinion steering (23) (predetermined breaking point on control valve). |
Do not use force (hammer blows, excessive leverage).
Installation:
↓ |
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Center rack-and-pinion steering and mount steering coupling (25). |
AR46.20-P-0600-01P |
| 19 |
Unscrew oil line of rack-and-pinion steering (23) from front axle differential |
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| 20 |
Remove retaining plate of oil lines (23s) from rack-and-pinion steering (23) and pull out oil lines |
Seal off line connections with plugs.
Installation:
Replace O-rings. |
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*BA46.20-P-1001-01F |
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Set of plugs |
Figure |
| 21 |
Unscrew left and right engine mount at bottom of front axle carrier (1) |
Model 203 with engine 112 |
*BA22.10-P-1001-01R |
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Model 203 with engine 272 |
*BA22.10-P-1001-01S |
| 22 |
Support front axle |
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AR33.10-P-0100-03P |
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Passenger car transmission platform, refer to GOTIS
http://gotis.aftersales.daimlerchrysler.com |
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| 23 |
Remove bolts (1f) of front axle carrier (1). |
The bolts (1f) are self-tapping, so the following points must be observed:
- Never re-tap the thread in the side member
- Replace bolts
- Use only original bolts (4 x)
- Do not attach bolts at an angle when screwing in
- Do not use an impact bolt tightener
- Observe tightening torque
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*BA33.10-P-1003-01A |
| 24 |
Lower front axle |
Secure front axle to prevent it falling. |
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| 25 |
Install in the reverse order |
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| 26 |
Bleed brake system |
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AR42.10-P-0010P |
| 27 |
Fill power steering pump and bleed |
Except model 203.2 with rear axle level control system code 480
Model 203.2 with rear axle level control system code 480 |
AR46.30-P-0010P |
| 28 |
Perform a wheel alignment check |
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AR40.20-P-0200P |