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Home >> Mercedes Benz >> 2020 >> S450 Base >> Repair and Diagnosis >> Engine Mechanical >> Accessory Drive Belts >> Air Compressor, Belt Drives - 222 Chassis >> Testing & Repair >> Remove/Install Poly V-Belt Of Alternator >> Remove/Install Poly V-Belt Of Alternator - AR13.22-P-0003MNL

Remove/Install Poly V-Belt Of Alternator - AR13.22-P-0003MNL

Engine 176 in Model 217, 222 

Shown in Model 222 without code 487 (MAGIC BODY CONTROL) 

Fig 1: Poly V-Belt Of Alternator Components Location - Engine 176 In Model 222 (Shown Without Code 487)
G15362415Courtesy of MERCEDES-BENZ USA
WARNING 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
CAUTION 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
REMOVING Remove     
1 Remove poly-V-belt of refrigerant compressor (3)   AR13.21-P-1203MNL 
2 Release clamping device (1) counterclockwise and lock clamping device (1) using a suitable drift    
3 Remove alternator poly-V-belt (4)    
INSPECT Check     
4 Check belt pulley of alternator for damage If damage is present

Replace alternator.
 
      AR15.40-P-5032MNL
5 Check guide pulley of alternator poly-V-belt (4) for damage If damage is present

Install new guide pulley for alternator poly-V-belt (4).
 
      AR13.20-P-0011MNL 
6 Check clamping device (1) for alternator poly-V-belt (4) for damage If damage is present

Replace clamping device (1) for alternator poly-V-belt (4).
 
      AR13.20-P-0010MNL 
INSTALLING Install     
7 Fit alternator poly-V-belt (4)   AR13.22-P-3902-02MNL 
    NOTES
Do not use belt wax or similar products. This leads to slipping of the alternator poly-V-belt (4).
IMPORTANT Observe routing diagram of alternator poly V-belt (4).
 
8 Pull out drift and tension alternator poly-V-belt (4) with clamping device (2)    
9 Install refrigerant compressor poly-V-belt (3)   AR13.21-P-1203MNL 
WARNING 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
10 Perform an engine test run and check engine for proper function