(Remove/Install Front Axle - AR33.10-P-0100LW)
Model 205
Model 253 (except 253.388/389/988/989)
MODIFICATION NOTES
| 31.03.2020 | Work step inserted. | Step 32 |
Shown on model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive)
Shown on model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive)
Shown on model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive)
Shown on model 205 with code M005 (Vehicles with 4MATIC/all-wheel drive)
Shown on model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive) on right side of vehicle
Shown on model 205.4 except code M005 (Vehicles with 4MATIC/all-wheel drive)
Shown on model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive), with radiator package in rear installation position
Shown on model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive), with radiator package in rear installation position
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Risk of injury . Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the operating area of mechanical components when moving components. | AS00.00-Z-0009-01A | |
| Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. | AS00.00-Z-0010-01A | |
| Risk of fire due to ignition of R1234yf refrigerant on hot components. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with escaped R1234yf refrigerant and when working on pressurized parts. Risk of explosion due to formation of ignitable refrigerant/air mixtures | Never perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated. | AS83.00-Z-0007-01A | |
| Risk of poisoning caused by inhaling overheated refrigerant vapors from an air conditioning system containing R134a. Risk of injury to skin and eyes caused by contact with liquid R134a refrigerant and when working on pressurized parts | Never perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated. | AS83.00-Z-0006-01A | |
| Topical note | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Topical note | Notes on threaded connections with aluminum screws/bolts | AH00.00-P-0006-01RM | |
| Topical note | Notes on self-locking nuts and bolts | AH00.00-N-0001-01A | |
| Topical note | Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | |
| Topical note | Notes on handling, transport and storage of composite brake disks | AH42.10-P-9406-12LF | |
| Topical note | Notes on handling, transport and storage of ceramic brake disks | AH42.10-P-9406-13A | |
| Topical note | Notes on installation position of condenser | AH83.30-P-0002-01LW | |
| Topical note | Protect air conditioning circuit and components from moisture when carrying out repair work | AH83.30-N-0005-01A | |
| Topical note | Notes on bolted connections with self tapping screws | AH00.00-P-0007-01SF | |
| Notes on safety-relevant components | AH00.00-Z-0019-01A | ||
| Notes on handling refrigerant R1234yf | AH83.30-P-0003-02A | ||
| Notes on handling refrigerant R134a | AH83.30-N-0003-01A | ||
| Notes on AIRmatic | Model 205 with code 489 (AIRMATIC) Model 253 (except 253.388/389/988/989) with code 489 (AIR BODY CONTROL) |
AH32.22-P-1000-02LW | |
| Notes on repair work on suspension components | AH00.00-P-0100-01A | ||
| Remove/install | |||
| 1 | Secure vehicle on vehicle lift. | AR00.60-P-1006A | |
| 2 | Vent pressure in AIRMATIC system using vehicle diagnosis system. | Model 205 with code 489 (AIRMATIC) Model 253 (except 253.388/389/988/989) with code 489 (AIR BODY CONTROL) |
|
| AD00.00-P-2000-04 | |||
| 3 | Deactivate easy entry and exit feature. | Model 205, 253 (except 253.388/389/988/989) with code 275 (Driver's seat, electrically adjustable with memory function) | |
| 4 | Move front wheels to straight-ahead position and fix steering wheel in place with holding device. | Do not turn steering wheel with steering coupling removed. Otherwise the clock spring contact will be destroyed. |
|
| Fig 2 | |||
| 5 | Perform disable for high-voltage on-board electrical system. | Model 253.311/353/354/911/953/954 | AR54.10-P-1150LVH |
| Model 205.012/013/047/053/054/147/212/213/247/25 3 | AR54.10-P-1150LW | ||
| 6 | Discharge air conditioning system. | AR83.30-P-1760LW | |
| 7 | Mount engine support fixture. | Model 205, 253 (except 253.388/389/988/989) | |
| Model 205, 253 with engine 264 | AR01.10-P-2400-17MRI | ||
| Model 205 with engine 177 | AR33 10-P-0105IW | ||
| Model 205, 253 with engine 274, 276.8 Model 205 with engine 651, 654 | AR33 10-P-0105LWD | ||
| Model 253 with engine 642, 651, 654, 656 Model 205 with engine 626 |
AR33.10-P-0105OLP | ||
| *BA20.20-P-1002-02B | |||
| Fig 7 | |||
Engine lifting device |
Fig 4 | ||
| Fig 6 | |||
| Model 205, 253 with engine 264 Engine hoist | Fig 1 | ||
| 8 | Remove front wheels. | AR40.10-P-1102A | |
| 9 | Remove engine compartment lining at front, center and rear. | AR61.20-P-1105LW | |
| 10 | Secure radiator package (1) against falling down using tensioning strap (2). | ||
| 11 | Detach refrigerant line (18) from condenser (19), hang to one side towards inside and seal connections. | ||
| Compressor oils (specification 362.1) | BB00.40-P-0362-01A | ||
| *BA83.30-P-1002-01Q | |||
| Fig 3 | |||
| Fig 5 | |||
| 12 | Remove left and right screw (28), fold up cooler mounts at front (29) and remove from struts (20). | If the radiator package (1) is in the front installation position. |
|
| 13 | Remove front axle shafts. | Model 205, 253 (except 253.388/389/988/989) with transmission 725.0 with code M005 (Vehicles with 4MATIC/all-wheel drive) Model 253 (except 253.388/389/988/989) with transmission 724.2 |
AR33.30-P-0620LW |
| Model 205 with transmission 722.96/97 | AR33.30-P-0620LWY | ||
| 14 | Remove right front brake wear sensor (S10/2) and hang to one side. | Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 Model 253 (except 253.388/389/988/989) |
|
| *BA42.10-P-1002-10W | |||
| 15.1 | Remove brake calipers with brakepads and attach to the vehicle with the brake hose attached and free of tension. | Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 Model 253 (except 253.388/389/988/989) For fixed-caliper brake. | |
| Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 4-piston fixed-caliper brake Model 253 (except 253.388/389/988/989) 4-piston fixed-caliper brake |
AR42.10-P-0070LWA | ||
| Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 with code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) except code U70 (red-painted brake callipers) 6-piston fixed-caliper brake Model 253 (except 253.388/389/988/989) with code B06 (AMG high-performance braking system) except code B07 (AMG - ceramic brake system) except code U70 (AMG high-performance composite braking system) 6-piston fixed-caliper brake |
AR42.10-P-0070LWB | ||
| Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 with code B07 (AMG - ceramic brake system) except code B06 (Silver brake calipers) except code U70 (red-painted brake callipers) 6-piston fixed-caliper brake Model 253 (except 253.388/389/988/989) with code B07 (AMG - ceramic brake system) except code B06 (AMG high-performance braking system) except code U70 (AMG high-performance composite braking system) 6-piston fixed-caliper brake |
AR42.10-P-0070LWC | ||
| Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 with code U70 (red-painted brake callipers) except code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake Model 253 (except 253.388/389/988/989) with code U70 (AMG high-performance composite braking system) except code B06 (AMG high-performance braking system) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake |
AR42.10-P-0070LWD | ||
| 15.2 | Detach brake calipers with brake caliper supports and fasten to vehicle free of tension with brake hose connected. | Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 Model 253 (except 253.388/389/988/989) With floating caliper brake. |
|
| Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 1-piston floating caliper brake Model 253 (except 253.388/389/988/989) 1-piston floating caliper brake |
AR42.10-P-0070LW | ||
| 16 | Detach suspension struts from spring links. | Model 205 except code 489 (AIRMATIC) Model 253 (except 253.388/389/988/989) except code 489 (AIR BODY CONTROL) |
AR32.25-P-1017LW |
| Model 205 with code 489 (AIRMATIC) Model 253 (except 253.388/389/988/989) with code 489 (AIR BODY CONTROL) |
AR32.25-P-1017LWL | ||
| 17 | Detach brackets of electrical wiring harnesses from spring links and axle carrier, and place to one side. | Model 205 with code M005 (Vehicles with 4MATIC/all-wheel drive) Model 253 (except 253.388/389/988/989) |
|
| 18 | Remove torsion bar linkages from spring links. | Model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR32.35-P-3328LW |
| 19 | Remove left and right line bracket of rotational speed sensors of front axle (4) from front axle carrier and hang to one side with connected electric lines. | AR42.30-P-0712LW | |
| 20 | Remove steering knuckles from upper transverse control arms and secure to tension strut with tensioning straps (25). | Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 Model 253 (except 253.388/389/988/989) The steering knuckles must not fold outwards after they are detached from the upper transverse control arms. Otherwise ball joints may be damaged. Counterhold the ball heads and do not use an impact wrench/driver. Otherwise the ball heads or the steering knuckles will be damaged. with code M005 (Vehicles with 4MATIC/all-wheel drive) Installation: Fasten the steering knuckles to the upper transverse control arms with cable ties only. |
|
| *BA33.20-P-1006-01U | |||
| 21 | Disconnect steering coupling. | AR46.10-P-8000LW | |
| 22 | Release and disconnect electrical connectors (22, 23). | ||
| 23 | Detach complete rack-and-pinion steering wiring harness (3) from rack-and-pinion steering (24) and front axle (4), and place to one side. | ||
| 24 | Remove the compressor. | Model 205 with code 489 (AIRMATIC) Model 253 (except 253.388/389/988/989) with code 489 (AIR BODY CONTROL) |
AR32.22-P-2001LW |
| 25 | Remove screws (6) and remove left and right diagonal struts (5). | *BA33.10-P-1002-01Q | |
| 26 | Remove diagonal strut (8). | Model 205.4 | |
| *BA61.10-P-1007-01L | |||
| *BA61.10-P-1006-01L | |||
| 27 | Remove screws (7) of engine mounts at front axle (4). | Model 205, 253 (except 253.388/389/988/989) | |
| Model 253.992/993 with engine 780 | AR22.10-P-1102RFW | ||
| Model 253.992/993 with engine 780 | AR22.10-P-1101RFW | ||
| Model 253 with engine 276.8 | AR22.10-P-1105MMX | ||
| Model 253 with engine 276.8 | AR22.10-P-1104MMX | ||
| Model 253 with engine 274.9 with code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR22.10-P-4330LWD | ||
| Model 253 with engine 274.9 except code M005 (Vehicles with 4MATIC/all-wheel drive) | AR22.10-P-4330LWC | ||
| Model 205 with engine 651 | AR22.10-P-1260LWB | ||
| Model 205 with engine 626 | AR22.10-P-1260OLP | ||
| Model 205 with engine 264, 274.9 except code M005 (Vehicles with 4MATIC/all-wheel drive) Model 253 with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR22.10-P-4330LWA | ||
| Model 205 with engine 264, 274.9 with code M005 (Vehicles with 4MATIC/all-wheel drive) Model 253 with engine 264 with code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR22.10-P-4330LWB | ||
| Model 205 with engine 276.8 | AR22.10-P-4330MMV | ||
| Model 205 with engine 177 | AR22.10-P-4330MNA | ||
| Model 253 with engine 642 Model 253 with engine 651 | AR22.10-P-4330RF | ||
| Model 205, 253 with engine 654 with code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR22.10-P-4330OLI | ||
| Model 205, 253 with engine 654 except code M005 (Vehicles with 4MATIC/all-wheel drive) | AR22.10-P-4330OLL | ||
| Model 253 (except 253.388/389/988/989) with engine 656 | AR22.10-P-4330OIF | ||
| 28 | Lift engine using engine support fixture until the guide pins of the engine mount fully extend out of the axle carrier. | ||
| 29 | Position lifting platform (26) at front axle (4) and secure with tensioning strap (27). | ||
| 000 588 03 62 00 Lifting platform | WS01.00-P-0091A | ||
| 30 | Detach engine compartment lining brackets (11). | ||
| 31 | Remove screws (10) of front axle (4). | *BA33.10-P-1001-01Q | |
| 32 | Remove nuts (31) and remove struts (32). | Model 253 (except 253.388/389/988/989) with engine 264 | |
| *BA33.10-P-1004-01Q | |||
| 33 | Loosen air duct segments (12) and fold inwards. | ||
| 34 | Remove screws (13) of brackets (14). | ||
| 35 | Slacken screws (15) of brackets (14). | ||
| 36 | Lower front axle (4) slightly. | ||
| 000 588 03 62 00 Lifting platform | Observe radiator package (1) when lowering. Otherwise it may be damaged. |
WS01.00-P-0091A | |
| 37 | Mark struts (20) relative to front axle (4) using colored pencil. | ||
| 38 | Remove low-temperature circuit circulation pump 1 (M43/6) with holder from rear right cooler mount (21) and hang to one side with connected lines. | If the radiator package (1) is located in the rear installation position and low-temperature circuit circulation pump 1 (M43/6) is installed. | |
| 39.1 | Unscrew left and right screws (16). | If the radiator package (1) is in the front installation position. | |
| *BA33.10-P-1003-01Q | |||
| 39.2 | Unscrew left and right screws (16) and remove rear cooler mounts (21). | If the radiator package (1) is in the rear installation position. |
|
| *BA33.10-P-1003-01Q | |||
| 40 | Push spring links downward and position 1 suspension struts in front of spring links. | Carefully position the suspension struts in front of the spring control arms. Otherwise the suspension strut joints can be damaged. |
|
| 41 | Pull front axle (4) slightly to rear, turn brackets (14) to side and remove struts (20). | ||
| 42 | Fully lower front axle (4). | ||
| 000 588 03 62 00 Lifting platform | Carefully lower front axle (4). Otherwise adjacent components may be damaged. |
WS01.00-P-0091A | |
| 43 | Install in the reverse order. | ||
| 44 | Perform chassis alignment. | AR40.20-P-0200LW |
ENGINE RADIATOR, COOLANT HOSES AND LINES
| Number | Designation | Engine 264 | |
|---|---|---|---|
| BA20.20-P-1002-02B | Screw, low-temperature circuit expansion reservoir to crossmember | Nm | 8 |
FRONT AXLE CARRIER
| Number | Designation | Model 205 | Model 253 | |
|---|---|---|---|---|
| BA33.10-P-1001-01Q | Bolt, front axle carrier to longitudinal member | Nm | 180 | 180 |
FRONT AXLE CARRIER
| Number | Designation | Model 205 | Model 253 | |
|---|---|---|---|---|
| BA33.10-P-1002-01Q | Mount, support (strut) | Nm | 110 | 110 |
FRONT AXLE CARRIER
| Number | Designation | Model 205 | Model 253 | |
|---|---|---|---|---|
| BA33.10-P-1003-01Q | Bolt, strut (impact absorber) to front axle carrier | Nm | 23 | 23 |
FRONT AXLE CARRIER
| Number | Designation | Model 253 | |
|---|---|---|---|
| BA33.10-P-1004-01Q | Nut, strut for front axle carrier to longitudinal member | Nm | 110 |
WHEEL CONTROL, HUB
| Number | Designation | Model 205 | Model 253 | ||
|---|---|---|---|---|---|
| BA33.20-P-1006-01U | Nut, steering knuckle to transverse control arm | Stage 1 | Nm | 50 | 50 |
| Stage 2 | ∠° | 45 | 45 | ||
FRONT AXLE BRAKE CALIPER
| Number | Designation | Model 205 | Model 253 | |
|---|---|---|---|---|
| BA42.10-P-1002-10W | Bolt, brake wear sensor to brake caliper | Nm | 8 | 8 |
FRAME FLOOR ASSEMBLY
| Number | Designation | Model 205 | |
|---|---|---|---|
| BA61.10-P-1006-01L | Bolt, front diagonal strut to front axle carrier/torsion bar bearing shell/radiator mounting console | Nm | 50 |
FRAME FLOOR ASSEMBLY
| Number | Designation | Model 205 | |
|---|---|---|---|
| BA61.10-P-1007-01L | Bolt, front diagonal strut to longitudinal member | Nm | 50 |
AIR CONDITIONING
| Number | Designation | Model 205 | Model 253 | |
|---|---|---|---|---|
| BA83.30-P-1002-01Q | Nut, line to condenser | Nm | 12 | 12 |