Remove/Install Radiator - AR20.20-P-3865MFD
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Engine 260 in model 118, 177, 247
except code 2U1 (Radiator shutter)
Engine 282 in model 118, 177, 247
except code 2U1 (Radiator shutter)
except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))
except code ME10 (Hybrid vehicle (plug-in, PHEV))
Shown on model 177 with engine 282
Shown on model 177 with engine 282
Fig 1: Radiator Components Location - Model 118 With Engine 260 Except Code 2U1 (Shown On Model 177)
Shown on model 177 with engine 282
Shown on engine 282
Shown on engine 260 with code M016 (performance-enhanced engine)
Shown on engine 260 with code M016 (performance-enhanced engine)
| Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant. | Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the overpressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| Risk of injury . Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| 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 | |
| Notice | Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | |
| Notice | Notes on pedestrian protection sensor | Engine 260 in model 118, 177, 247 with code U60 (Pedestrian protection - Active hood) except code 2U1 (Radiator shutter) Engine 282 in model 118, 177, 247 with code U60 (Pedestrian protection - Active hood) except code 2U1 (Radiator shutter) except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN)) except code ME10 (Hybrid vehicle (plug-in, PHEV)) |
AH91.60-P-0001-01A |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notice | General information on the impact absorber | AH88.20-P-1000-01A | |
| Notice | Notes on coolant | AH20.00-P-2080-01KOA | |
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| Remove/install | |||
| 1 | Remove air filter housing. | Engine 260 in model 118, 177, 247 except code 2U1 (Radiator shutter) | AR09.10-P-1150MFC |
| Engine 282 in model 118, 177, 247 except code 2U1 (Radiator shutter) except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN)) except code ME10 (Hybrid vehicle (plug-in, PHEV)) |
AR09.10-P-1150MFD | ||
| 2 | Remove fan unit. | AR20.40-P-5050MFD | |
| 3.1 | Remove charge air hoses from charge air cooler (18) at exhaust gas turbocharger and from charge air cooler (18) at air intake manifold. | Engine 282 in model 118, 177, 247 except code 2U1 (Radiator shutter) except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN)) except code ME10 (Hybrid vehicle (plug-in, PHEV)) | AR09.41-P-1311-01AL |
| 3.2 | Remove charge air hose from charge air cooler (18) at exhaust gas turbocharger, remove charge air hose from charge air cooler (18) at air intake manifold and place to one side. | Engine 260 in model 118, 177, 247 except code 2U1 (Radiator shutter) | AR09.41-P-1311-01AL |
| 4 | Remove charge air hose from charge air cooler (18) at air intake manifold and | Engine 260 in model 118, 177, 247 except code 2U1 (Radiator shutter) | AR09.41-P-1311-01AL |
| 5 | Seal openings using protective cover. | Fig 2 | |
| 6 | Remove front bumper. | AR88.20-P-2000MFA | |
| 7 | Remove left headlamp. | AR82.10-P-4733MFA | |
| 8 | Remove air duct segment (1). | ||
| 9 | Remove air duct segment (2). | ||
| 10 | Remove intake air duct (3). | ||
| 11 | Release and disconnect electrical connector (4) on left and right. | Engine 260 in model 118, 177, 247 with code U60 (Pedestrian protection - Active hood) except code 2U1 (Radiator shutter) Engine 282 in model 118, 177, 247 with code U60 (Pedestrian protection - Active hood) except code 2U1 (Radiator shutter) except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN)) except code ME10 (Hybrid vehicle (plug-in, PHEV)) |
|
| 12 | Remove impact absorber (5). | ||
| 13 | Remove bolts (6) and lower bracket (7). | ||
| 14 | Unscrew bolts (8, 9, 10) on left and right and remove upper bracket (11) | ||
| 15 | Unclip electrical wiring harness from crossmember (17). | If installed. Do not crush or kink or subject electric lines to tension. Otherwise, the electric lines will be damaged. |
|
| 16 | Release and disconnect electrical connectors (12) at horn on left and right. | ||
| 17 | Remove bolts (27), remove bracket (28) from crossmember (17) and place to one side. | Engine 260 in model 118, 177, 247 with code M016 (Uprated engine) except code 2U1 (Radiator shutter) | |
| 18 | Remove bolts (13) on left and right and remove crossmember (17). | *BA62.30-P-1001-02O | |
| 19 | Open bracket (30) of refrigerant line (29). | Engine 260 in model 118, 177, 247 except code 2U1 (Radiator shutter) | |
| 20.1 | Remove condenser from charge air cooler (18) and secure against falling down. | Engine 260 in model 118, 177, 247 except code 2U1 (Radiator shutter) except code M016 (Uprated engine) Engine 282 in model 118, 177, 247 except code 2U1 (Radiator shutter) except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN)) except code ME10 (Hybrid vehicle (plug-in, PHEV)) | |
| 20.2 | Remove condenser from low-temperature circuit cooler and secure against falling down. | Engine 260 in model 118, 177, 247 with code M016 (Uprated engine) except code 2U1 (Radiator shutter) | |
| 21 | Unclip electrical line (31). | ||
| 22.1 | Unclip air duct segments (14) on left and right at charge air cooler (18) and remove. | Engine 260 in model 118, 177, 247 except code 2U1 (Radiator shutter) except code M016 (Uprated engine) Engine 282 in model 118, 177, 247 except code 2U1 (Radiator shutter) except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN)) except code ME10 (Hybrid vehicle (plug-in, PHEV)) | |
| 22.2 | Unclip air duct segments (14) on left and right at low-temperature circuit cooler and remove. | Engine 260 in model 118, 177, 247 with code M016 (Uprated engine) except code 2U1 (Radiator shutter) | |
| 23 | Remove air duct segment lower section (15). | ||
| 24 | Remove bolts (25) on left and right and remove brackets (26). | ||
| 25 | Drain off coolant. | AR20.00-P-1142MFC | |
| 26 | Remove coolant lines (21, 22) and coolant hoses (23, 24) from radiator (20) and collect escaping coolant with a suitable container. | Coolant collection container |
AR20.20-P-7441-01RQ |
| 27 | Seal openings with suitable stop plugs and protective covers. | Fig 3 | |
| Fig 2 | |||
| Fig 4 | |||
| 28.1 | Unclip radiator (20) on charge air cooler (18) (arrows). | Engine 260 in model 118, 177, 247 except code 2U1 (Radiator shutter) except code M016 (Uprated engine) Engine 282 in model 118, 177, 247 except code 2U1 (Radiator shutter) except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN)) except code ME10 (Hybrid vehicle (plug-in, PHEV)) | |
| 28.2 | Unclip radiator (20) on low-temperature circuit cooler (arrows A). | Engine 260 in model 118, 177, 247 with code M016 (Uprated engine) except code 2U1 (Radiator shutter) | |
| 29 | Swivel radiator (20) in direction of engine and guide out upwards. | ||
| 30 | Check radiator (20) for damage. | If there are problems: ↓ replace radiator (20). |
|
| 31 | Install in the reverse order. | ||
| Check | |||
| Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 32 | Perform engine test run. While doing so, check engine for proper operation and leak tightness. | AR20.00-P-1010MFD |
FROND END WITH FRONT REINFORCEMENT
| Number | Designation | Model 118 | Model 177 | |||
|---|---|---|---|---|---|---|
| BA62.30-P-1001-02O | Screw, impact absorber/absorber to crossmember | M10 | Stage 1 | Nm | 28 | 28 |
| Stage 2 | ∠° | 135 | 135 | |||
FROND END WITH FRONT REINFORCEMENT
| Number | Designation | Model 247 | |||
|---|---|---|---|---|---|
| BA62.30-P-1001-02O | Screw, impact absorber/absorber to crossmember | M10 | Stage 1 | Nm | 28 |
| Stage 2 | ∠° | 135 | |||