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Home >> Mercedes Benz >> 2014 >> GLK350 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> A/C Compressor >> Air Compressor, Belt Drives - 204 Chassis >> Maintenance >> Check visible area of poly-V belt for wear - AP13.22-P-1352CW

Check visible area of poly-V belt for wear - AP13.22-P-1352CW

MODEL 117, 176 with ENGINE 133, 270, 607, 651 

MODEL 156 

MODEL 204 with ENGINE 156, 271, 272, 274, 276, 642, 646, 651 

MODEL 205 with ENGINE 274, 276.8, 626, 651 

MODEL 242 with ENGINE 270 

MODEL 246 with ENGINE 270, 607, 651 

Fig 1: Checking Poly-V Belt Wear
G09983557Courtesy of MERCEDES-BENZ USA
  Preparatory activity     
1 Open engine hood MODEL 117, 156, 176, 204, 205, 242, 246  
REFER TO TESTING & REPAIR   MODEL 204.3
IMPORTANT MODEL 204.3
Move engine hood to vertical position: 
Remove left and right clamping lever at top on left and right hinge.
AR88.40-P-1000EW
INSPECT Check     
2 Check poly-V belt (1) for wear and damage at visible points and compare with damage profiles   AP13.22-P-1351-01A
If wear or damage is present:

Replace poly-V belt (1) and, if necessary, components causing damage subject to separate repair order.
REMOVING Remove     
3.1 Remove bottom sections of soundproofing MODEL 117, 176, 246 with ENGINE 607, 651
MODEL 204 with ENGINE 642, 646, 651
 
REFER TO TESTING & REPAIR   MODEL 117, 176, 246 with ENGINE 607, 651 AR94.30-P-5300NKB
REFER TO TESTING & REPAIR   MODEL 204 (except 204.9) with ENGINE 642, 646, 651 AR94.30-P-5300EW
3.2 Remove bottom engine compartment paneling MODEL 117, 176 with ENGINE 133
MODEL 117, 176, 242, 246 with ENGINE 270
MODEL 156
MODEL 204 (except 204.9) with ENGINE 156, 271, 272, 274, 276
MODEL 204.9
MODEL 205 with ENGINE 274, 276.8, 626, 651
 
REFER TO TESTING & REPAIR   MODEL 117, 176 with ENGINE 133
MODEL 117, 176, 242, 246 with ENGINE 270
MODEL 156
AR61.20-P-1105NKB
REFER TO TESTING & REPAIR   MODEL 204.9 AR61.20-P-1105CY
REFER TO TESTING & REPAIR   MODEL 204 (except 204.9) with ENGINE 156, 271, 272, 274, 276 AR61.20-P-1105EW
REFER TO TESTING & REPAIR   MODEL 205 with ENGINE 274, 276.8, 626, 651 AR61.20-P-1105LW
INSPECT Check     
4 Check poly-V-belt (1) for wear and damage at visible points when vehicle is raised, and compare with damage profiles   AP13.22-P-1351-01A
If wear or damage is present:

Replace poly-V belt (1) and, if necessary, components causing damage subject to separate repair order.
INSTALLING Install     
5.1 Install lower engine compartment paneling MODEL 117, 176 with ENGINE 133
MODEL 117, 176, 242, 246 with ENGINE 270
MODEL 156
MODEL 204 (except 204.9) with ENGINE 156, 271, 272, 274, 276
MODEL 204.9
MODEL 205 with ENGINE 274, 276.8, 626, 651
 
REFER TO TESTING & REPAIR   MODEL 117, 176 with ENGINE 133 MODEL
117, 176, 242, 246 with ENGINE 270 MODEL 156
AR61.20-P-1105NKB
REFER TO TESTING & REPAIR   MODEL 204.9 AR61.20-P-1105CY
REFER TO TESTING & REPAIR   MODEL 204 (except 204.9) with ENGINE 156, 271, 272, 274, 276 AR61.20-P-1105EW
REFER TO TESTING & REPAIR   MODEL 205 with ENGINE 274, 276.8, 626, 651 AR61.20-P-1105LW
5.2 Install bottom section of soundproofing MODEL 117, 176, 246 with ENGINE 607, 651
MODEL 204 with ENGINE 642, 646, 651
 
REFER TO TESTING & REPAIR   MODEL 117, 176, 246 with ENGINE 607, 651 AR94.30-P-5300NKB
REFER TO TESTING & REPAIR   MODEL 204 (except 204.9) with ENGINE 642, 646, 651 AR94.30-P-5300EW
  Finishing activity     
7 Close engine hood MODEL 117, 156, 176, 204, 205, 242, 246  
REFER TO TESTING & REPAIR   MODEL 204.3
IMPORTANTMove engine hood to vertical position: 
Mount left and right clamping lever at top on left and right hinge.
AR88.40-P-1000EW