Kinematic diagram of the auxiliary drive belt on the M 102.982 engine
A - auxiliary drive belt (length 2170 mm) on cars without air conditioning; B - auxiliary drive belt (length 2255 mm) on cars with air conditioning; 1 - generator drive pulley; 2 - intermediate pulley; 3 - pulley of the hydraulic clutch drive of the cooling system fan; 4 - tension roller; 5 - crankshaft pulley; 6 - air conditioner compressor drive pulley; 7 - power steering pump drive pulley; 8 - water pump drive pulley; 9 - belt tensioner tightening device; 10 - tightening nut
Removal
1. Loosen the belt tensioner shock absorber clamp nut.
2. Loosen the belt completely by loosening the adjusting bolt.
Original published on the website: MERCEDESMAN.ru
3. Remove the belt first from one pulley, and then from the others.
When installing the belt, it should be placed on the pulleys in the order of the numbering of the units.