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Home >> Mercedes Benz >> 2023 >> GLA250 Base >> Repair and Diagnosis >> Engine Mechanical >> Accessory Drive Belts >> Air Compressor, Belt Drives -- 247 Chassis >> Testing & Repair >> Remove/Install Poly-V Belt >> Remove/Install Poly-V Belt - AR13.22-P-1202MFG

Remove/Install Poly-V Belt - AR13.22-P-1202MFG

Engine 139 in Model 118, 177, 247 

MODIFICATION NOTES

22.11.2019 Document completely revised.    
G16048484Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  . Moving parts can pinch, crush or, in extreme cases even sever extremities. No parts of the body or limbs should be within the operating area of mechanical components when moving components. AS00.00-Z-0009-01A
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
WARNING 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
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
INSTALLING
Remove/install     
1 Remove front section of fender liner in right front wheel arch. INSTALLATION IMPORTANT : Only install front section of fender liner in front right wheel arch after function test. AR88.10-P-1301MFA
2 Mark running direction of poly-V-belt (2). When reusing poly-V-belt (2).  
3 Tighten clamping device (1) and lock in place with suitable pin.    
4 Remove poly-V-belt (2) and guide out of right front wheel arch.    
REFER TO BASIC KNOWLEDGE Routing diagram of poly-V belt   GF13.20-P-0001-01MFG 
INSPECT Check     
5 Check poly-V-belt (2) for wear, aging (crack formation), and damage.    
REFER TO MAINTENANCE   If there are problems,

Replace poly-V-belt (2).
AP13.22-P-1351-01A 
6 Check tensioning device (1) for damage, wear and contamination. If there are problems,

Replace clamping device (1).
AR13.25-P-3220MFG 
7 Check alternator belt pulley (5) for damage, wear, and soiling. If there are problems,

Replace alternator belt pulley (5).
AR15.40-P-5710MFG
8 Check refrigerant compressor belt pulley (4) for damage, wear, and soiling. If there are problems,

Replace refrigerant compressor.
AR83.55-P-5310MFG
9 Install in the reverse order.    
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 the engine for proper function.    
11 Install front section of fender liner in right front wheel arch.   AR88.10-P-1301MFA