Slacken Poly-V-Belt - AR13.22-P-3902-01MFI

Engine 260 in Model 118, 177, 247 with code B01 (48V technology) 

Engine 282.8 in Model 118, 177, 247 with code B01 (48V technology) 

Risk of injury  caused by pinching or crushing when working on springs or spring bodies that are under tension

Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves.

AS00.00-Z-0001-01A

Courtesy of MERCEDES-BENZ USA

1. Twist clamping device (1) with a suitable tool at the nut (arrow B) counterclockwise, against the spring force, until the two bores (arrow A) are opposite each other.
2. Stick a safety pin through the opposite bores (arrow A) in the clamping device (1) and lock the clamping device (1) in this position.

   Use a lock pin with a diameter of approx. 5 mm and a length of approx. 40 mm.

3. Twist the clamping device clockwise (arrow B) until the poly-V-belt can be removed.
4. Remove poly-V belt.