Remove/install oil-water heat exchanger - AR18.30-P-6840GZS (ML63 AMG)
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ENGINE 156 in MODEL 164
| Remove/install | |||
|---|---|---|---|
| Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof | Keep body parts and limbs well clear of moving parts. | AS00.00-Z-0011-01A | |
| Risk of death caused by vehicle slipping or toppling off the lifting platform. | Align vehicle between columns of lifting platform and position four support plates at lifting platform support points specified by vehicle manufacturer. | AS00.00-Z-0010-01A | |
| Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by swallowing coolant. | Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. | AS20.00-Z-0001-01A | |
| 1 | Open engine hood | AR88.40-P-1000GZ | |
| 2 | Raise vehicle with vehicle lift | AR00.60-P-1000GZ | |
| 3 | Remove front engine cover | ||
| 4 | Remove right engine intake air duct | ||
| 5 | Detach air line at auxiliary air pump | Unclip air line on oil/water heat exchanger (1) and place to one side. | |
| 6 | Remove front section of fender liner in front fender on the right | Possibly also remove front wheel. | AR88.10-P-1310GZ |
| 7 | Drain coolant at radiator (1) | AR20.00-P-1142GZS | |
| Notes on coolant | All engines | AH20.00-N-2080-01A | |
| Notes on coolant level | AH20.00-P-1142-01GZB | ||
| *BF20.00-P-1001-02U | |||
| 8 | Detach coolant hoses at connections (3) from oil/water heat exchanger (1) | ||
| 9 | Detach oil lines at connections (4) from oil/ water heat exchanger (1) | Collect engine oil in reservoir. | |
| Fig 2 | |||
| *BA18.30-P-1016-01B | |||
| 10 | Tighten nuts (2) | Secure oil-water heat exchanger (1) to prevent it from falling down. | |
| *BA18.30-P-1007-01B | |||
| 11 | Remove oil-water heat exchanger (1) | ||
| 12 | Install in the reverse order | ||
| 13 | Check cooling water level and correct | If antifreeze share of coolant is too small, either antifreeze must be added or coolant must be replaced: ↓ | |
| Drain, fill system with coolant. | AR20.00-P-1142GZS | ||
| Notes on coolant | All engines | AH20.00-N-2080-01A | |
| Note on coolant level | AH20.00-P-1142-01GZB | ||
| *BF20.00-P-1001-02U | |||
| 14 | Check engine oil level and adjust correctly | ||
| 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 | |
| 15 | Carry out engine test run | Check leakage when engine is running. |
OIL COOLING SYSTEM
| Number | Designation | Engine 156 | |
|---|---|---|---|
| BA18.30-P-1007-01B | Nut connecting bracket to retaining frame | Nm | 9 |
| BA18.30-P-1016-01B | Oil line flange bolt to oil cooler | Nm | 9 |
COOLING SYSTEM
| Number | Designation | Engine 156 in model 164, 251 | ||
|---|---|---|---|---|
| BF20.00-P-1001-02U | Cooling system | Total filling capacity | ≈Liters | 7.5 |
| Antifreeze/water | Up to -37°C | 50/50 | ||
| Up to -45°C | 55/45 | |||
| Specifications for Operating Fluids | Sheet | BB00.40-P-0310-01A | ||
| Sheet | BB00.40-P-0325-00A | |||