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Home >> Mercedes Benz >> 2008 >> E550 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> A/C Compressor >> Air Compressor, Belt Drives -- E550 (211.072) >> Maintenance >> Check poly-V belt in visible range for wear - AP13.22-P-1352TS

Check poly-V belt in visible range for wear - AP13.22-P-1352TS

ENGINE 272.922 in MODEL 211.052/252 

ENGINE 272.943 in MODEL 211.054/254 

ENGINE 272.964 in MODEL 211.056/256 

ENGINE 273.960 in MODEL 211.072/272 

ENGINE 156.983 in MODEL 211.077/277 

ENGINE 272.972 in MODEL 211.087/287 

ENGINE 273.962 in MODEL 211.090/290 

ENGINE 272.944 in MODEL 211.092/292 

ENGINE 272.985 in MODEL 211.057/257 

Fig 1: Checking Poly V-Belt
G07507806Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Damage diagram 

Fig 2: Identifying Poly V-Belt Damage Patterns
G07507807Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
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. AS00.00-Z-0011-01A
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. AS00.00-Z-0010-01A
1 Open engine hood    
REFER TO TESTING & REPAIR Opening engine hood, moving to upright position and closing   AR88.40-P-1000T
INSPECT Checking     
2 Check poly-V-belt (1) for wear at visible points and compare with damage profiles IMPORTANT Replace the poly-V-belt (1) if worn:  
REFER TO TESTING & REPAIR   Engine 156 AR13.22-P-1202TMG
REFER TO TESTING & REPAIR   Engine 272, 273 AR13.20-P-0001TS 
3 Raise vehicle with lifting platform    
REFER TO TESTING & REPAIR Lift/jack up vehicle   AR00.60-P-1000T
4 Remove bottom engine compartment paneling IMPORTANTInstallation:  Install engine compartment paneling only after completing all maintenance jobs.  
REFER TO MAINTENANCE Remove and install bottom engine compartment paneling   AR61.20-P-1105T
INSPECT Checking     
5 Check poly-V-belt (1) for wear at points visible when vehicle is raised, and compare with damage profiles IMPORTANT Replace the poly-V-belt (1) if worn:  
REFER TO TESTING & REPAIR   Engine 156 AR13.22-P-1202TMG
REFER TO TESTING & REPAIR   Engine 272, 273 AR13.20-P-0001TS 
6 Install in the reverse order