Remove/install engine with front axle carrier - AR01.10-P-2500SZ
ENGINES 275 in MODEL 216, 221
MODIFICATION NOTES
| 12.3.08 | Value changed: Bolt for rear engine crossmember to body | *BA22.10-P-1007-03C |
| 29.5.08 | Value changed: Bolt for rear engine crossmember to body | *BA22.10-P-1007-03D |
| Remove/install | |||
|---|---|---|---|
| Notes on self-locking nuts and bolts | AH00.00-N-0001-01A | ||
| Notes on Active Body Control suspension | AH32.50-P-0001-01N | ||
| Only tighten nuts and bolts of chassis components when vehicle is in a ready-to-drive condition. | |||
| 1 | Set DIRECT SELECT gear selector switch to position "N" and release parking brake | ||
| 2 | Deactivate easy entry/exit function | Vehicles with memory package (driver seat, steering column, mirrors) code 275 | AR54.30-P-1000-02ESX |
| 3 | Turn front wheels to straight-ahead position and secure steering wheel with |
||
| *129589012100 | |||
| 4 | Detach ground lines on batteries | AR54.10-P-0003SX | |
| 5 | Secure vehicle on vehicle lift | AR00.60-P-0100SX | |
| 6 | Suction refrigerant out of air conditioning | AR83.30-P-1760SX | |
| 7 | Remove engine cover. | Engine 275.95 | AR01.10-P-2405LA |
| Engine 275.98 | AR01.10-P-2405IM | ||
| 8 | Remove air filter housing | AR09.10-P-1150LA | |
| 9 | Pinch off engine wiring harness | AR01.00-P-2410SZ | |
| 10 | Remove vacuum line (4) from vacuum hose (5) | ||
| 11 | Disconnect vacuum line (6) from brake booster (A7/7). | ||
| 12 | Empty expansion reservoir (10a, 10b) using |
*210589007100 | |
| 13 | Open hose clamps (12a, 12b) with |
*003589033700 | |
| 14 | Open hose clamp (2) with |
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| *003589033700 | |||
| *129589009100 | |||
| 15 | Unscrew nuts (1a) and remove return line (3b) from longitudinal member | ||
| 16 | Remove bolt (21) and detach refrigerant line (20) from refrigerant compressor (A9) | ||
| *BA83.55-P-1003-01M | |||
| 17 | Remove nut (1 b) and detach refrigerant line (16) from fluid reservoir (16a) | ||
| *BA83.55-P-1002-01M | |||
| 18 | Drain engine oil | ||
| Engine oil and filter change | AP18.00-P-0101SZ | ||
| 19 | Drain coolant at radiator (34) | AR20.00-P-1142H | |
| 20 | Drain coolant for low-temperature circuit | AR20.00-P-1142HM | |
| 21 | Remove expansion rivet (13a), unscrew nut (13b) and fold front right fender liner (13) upwards | ||
| 22 | Remove oil cooling lines (38a) from engine oil cooler (38) | Model 216.376, 221.176 | AR18.30-P-1000SZ |
| Model 221.179 | AR18.30-P-1000SX | ||
| 23 | Remove coolant line at additional radiator | Model 221.179 | AR20.20-P-3866SX |
| 24 | Release pressure in front right suspension strut | AR32.50-P-0001-01N | |
| 25 | Disconnect hydraulic line (17) using |
*221589013300 | |
| 26 | Remove retaining clamps (15) and hydraulic line (17) from front axle carrier (31) | ||
| 27 | Remove bolt (7a) and hydraulic line (18) from valve unit (Y36/1) | ||
| *129589009100 | |||
| 28 | Remove oil cooler lines from automatic transmission on radiator (34) | AR27.55-P-0600SX | |
| 29 | Loosen bolts (35) and remove cover panel (35a) | ||
| 30 | Remove bolt (36) and remove steering coupling (36a) from lower steering shaft | AR46.10-P-8000SX | |
| 31 | Remove catalytic converter or front exhaust system | Model 216, 221 except 221 with special protection code Z07 | AR49.10-P-7100SX |
| Model 221 with special-protection package code Z07 | |||
| 32 | Detach propeller shaft (22) from transmission output flange | AR41.10-P-0050-02SX | |
| AR41.10-P-0050-07SX | |||
| 33 | Remove coolant line (30) from radiator (34) | See "Disconnect Henn coupling". | AR09.41-P-1311-01AL |
| 34 | Open hose clamps (32a) with |
*003589033700 | |
| 35 | Unscrew nuts (37a) and only loosen nuts (37b) | ||
| *BA32.25-P-1001-04L | |||
| 36 | Remove fuel pressure via service valve on fuel distributor rail | AR07.03-P-1460-01VA | |
| 37 | Remove fuel feed line (8) and place to the side | ||
| *BA07.52-P-1002-01E | |||
| *129589009100 | |||
| 38 | Remove front wheels | ||
| Remove/install wheels | AP40.10-P-4050SX | ||
| 39 | Remove tie rods from steering knuckles | Model 216, 221 except 221 with special protection code Z07 | AR46.40-P-0200-02SX |
| Model 221 with special-protection package code Z07 | |||
| 40 | Remove strut rods from front axle carrier (31) | Model 216, 221 except 221 with special protection code Z07 Model 221 with special-protection package code Z07 |
AR33.15-P-0160SX |
| 41 | Remove spring control arm from front axle carrier (31) | Model 216, 221 except 221 with special protection code Z07 Model 221 with special-protection package code Z07 |
AR33.15-P-0170SY |
| 42 | Unclip lines for wheel speed sensors and brake wear indicator from cable ducts on spring control arm and wheel well | Model 216, 221 except 221 with special protection code Z07 Model 221 with special-protection package code Z07 |
AR33.10-P-0100-06SX |
| 43 | Support front axle carrier (31) using lifting platform | AR01.10-P-2500-01A | |
| 44 | Remove bolts (23a) of rear engine crossmember (23) | *BA22.10-P-1007-03C | |
| *BA22.10-P-1007-03D | |||
| 45 | Remove bolts (31a) of longitudinal members | ||
| *BA33.10-P-1001-01K | |||
| 46 | Lower engine transmission unit with front axle carrier (31) | If necessary: ↓ | |
| Detach engine from front axle carrier. | AR01.10-P-2510SX | ||
| 47 | Install in the reverse order | ||
| 48 | Fill and bleed ABC system | AR32.50-P-0021SX | |
| 49 | Perform wheel alignment check | Model 221 except 221 with special protection code Z07 Model 216 Model 221 with special-protection package code Z07 |
AR40.20-P-0200SX |
| 50 | Read out fault memory and erase if necessary | STAR DIAGNOSIS Compact diagnosis system for passenger cars | |
| Connect STAR DIAGNOSIS and read out fault memory | AD00.00-P-2000-04A | ||
| Risk of accident caused by vehicle starting off by itself when engine is running. | Secure vehicle to prevent it from moving by itself. | AS00.00-Z-0005-01A | |
| Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. |
||
| 51 | Carry out engine test run, checking the engine for proper operation and leaks |
FUEL DISTRIBUTOR
| Number | Designation | Engine 275, 285 | |
|---|---|---|---|
| BA07.52-P-1002-01E | Union nut connecting fuel feed line to fuel distributor | Nm | 20 |
SUSPENSION STRUTS
| Number | Designation | Model 216 without 4MATIC | Model 221 with code Z07/Z07+Z19 | ||
|---|---|---|---|---|---|
| BA32.25-P-1001-04L | Nut, front suspension strut to front end | Stage 1 | Nm | 35 | 30 |
| Stage 2 | Nm | - | 35 |
SUSPENSION STRUTS
| Number | Designation | Model 221 with code 487 (ABC) | Model 221 without 4MATIC and without code 487, Z07/Z07+Z19 | ||
|---|---|---|---|---|---|
| BA32.25-P-1001-04L | Nut, front suspension strut to front end | Stage 1 | Nm | 35 | 30 |
| Stage 2 | Nm | - | - |
FRONT AXLE CARRIER
| Number | Designation | Model 216 | Model 221 | |
|---|---|---|---|---|
| BA33.10-P-1001-01K | Bolt, front axle carrier to longitudinal member | Nm | 180 | 180 |
REFRIGERANT COMPRESSOR
| Number | Designation | Engine 275 in model 216 | Engine 275 in model 221 | |
|---|---|---|---|---|
| BA83.55-P-1002-01M | Nut connecting refrigerant line to air conditioning fluid reservoir | Nm | 8 | 8 |
| BA83.55-P-1003-01M | Bolt, refrigerant line to refrigerant compressor | Nm | 20 | 20 |
ENGINE SUSPENSION, ENGINE MOUNTS, ENGINE SUPPORTS
| Number | Designation | Model 221.02/05/07/095/12/15/17/195 | |
|---|---|---|---|
| BA22.10-P-1007-03D | Bolt, rear engine crossmember to body | Nm | 45 |
ENGINE SUSPENSION, ENGINE MOUNTS, ENGINE SUPPORTS
| Number | Designation | Model 216.371/373/374/376/377/379 | |
|---|---|---|---|
| BA22.10-P-1007-03C | Bolt, rear engine crossmember to body | Nm | 45 |