W906 - OM642 (642.896)/992 engine - ancillary drive belt — MERCEDES-BENZ

🧭 Before you start

Fits: platform codes 218, CDI, |, 219, 318, -4MATIC, 319, 418, 419, 518, 519

• Timing position: the crankshaft or camshaft is set and locked during this job
• Special tools named: locking pin

🔧 Engine codes this applies to

📋 Procedure

1. Vehicles with additional air conditioning:
2. If necessary
3. Unclip the coolant hoses from the fan shroud
4. Remove the cover
5. Disconnect the fan electrical connections

6. Remove the cooling fan and shroud
7. Turn the tensioner clockwise
8. Remove the air-conditioning drive belt
9. All vehicles:
10. Turn the tensioner anti-clockwise
11. Lock the tensioner; use a locking pin
12. Remove the ancillary drive belt

Other MERCEDES-BENZ procedures

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• M273 in W221, W216