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 |
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| Figure | |||
| 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 hand pump | Figure | |
| 13 | Open hose clamps (12a, 12b) with |
Fig 8 | |
| 14 | Open hose clamp (2) with |
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| Fig 8 | |||
| Figure | |||
| 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 (1b) 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 |
Fig 9 | |
| 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) | ||
| Figure | |||
| 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 Model 221 with special-protection package code Z07 |
AR49.10-P-7100SX |
| 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 |
Fig 8 | |
| 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 | |||
| Figure | |||
| 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 Model 221 with special-protection package code Z07 |
AR46.40-P-0200-02SX |
| 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. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. |
AS00.00-Z-0005-01A | |
| 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 |