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Home >> Mercedes Benz >> 2010 >> SLK350 Automatic >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> A/C Compressor >> Air Compressor, Belt Drives - 171 Chassis >> Maintenance >> Check poly-V-belt in visible area for wear - AP13.22-P-1352 >> Check poly-V-belt in visible area for wear (ENGINE 272) - AP13.22-P-1352VA

Check poly-V-belt in visible area for wear (ENGINE 272) - AP13.22-P-1352VA

ENGINE 272.942 in MODEL 171.454 

ENGINE 272.963 in MODEL 171.456 

Fig 1: Identifying Poly-V-Belt
G05027106Courtesy of MERCEDES-BENZ USA

Damage diagram 

Fig 2: Poly-V-Belt Damage Pattern
G05027107Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/Install    
DANGER Risk of injury  caused by fingers being pinched or crushed  when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof. Keep body parts and limbs well clear of moving parts. -
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer. -
1 Open engine hood    
REFER TO TESTING & REPAIR Opening engine hood, moving to upright position and closing   AR88.40-P-1000V
INSPECT Checking     
2 Check condition of poly-V-belt (1) at the visible points and compare against damage profiles IMPORTANT Replace poly-V-belt (1) if worn: ↓  
REFER TO TESTING & REPAIR   Remove/install poly V-belt AR13.22-P-1202VA 
3 Raise vehicle with lifting platform    
REFER TO TESTING & REPAIR Lift/jack up vehicle   AR00.60-P-1000V
4 Remove bottom engine compartment paneling IMPORTANTInstallation:  Install engine compartment paneling only after completing all maintenance jobs.  
Remove and install bottom engine compartment paneling REFER TO TESTING & REPAIR   AR61.20-P-1105V
INSPECT Checking     
5 Check the poly-V-belt (1) at the points visible when the vehicle is raised for signs of wear and compare against the damage profiles IMPORTANT Replace poly-V-belt (1) if worn: ↓  
REFER TO TESTING & REPAIR   Remove/install poly V-belt AR13.22-P-1202VA 
6 Install in the reverse order