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Home >> Mercedes Benz >> 1998 >> C280 >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Electrical System - Engine -- 202 Chassis >> Testing & Repair >> Prerequisites for testing alternator - AR15.40-P-5009EA

Prerequisites for testing alternator - AR15.40-P-5009EA

ENGINE 104.941, 111.920 /921 /941 /944 /945 /961 /974 /975, 112.910 /920, 113.944, 601.913, 604.910 /915, 605.910 /960, 611.960 in MODEL 202 

ENGINE 111.944 /945 /975, 112.940, 113.943 /984 in MODEL 208 

Connection schematic between battery and alternator 

Fig 1: Connection Schematic Between Battery And Alternator - Engine 104.941, 111.920 /921 /941 /944 /945 /961 /974 /975, 112.910 /920, 113.944, 601.913, 604.910 /915, 605.910 /960, 611.960 In Model 202
G04715172
REMOVINGINSTALLING Removing, installing    
1.1 Fold right luggage compartment cover up Model 202 sedan, 208.  
1.2 Remove cargo space cover Model 202 T-model.  
INSPECT Testing     
2 Check the alternator fuse (G2) in the connector terminal 30 (X12/3) and replace if necessary IMPORTANT Only in vehicles as of 8.99 (except with engine 112).  
    Replace:  The entire connector terminal 30 (X12/3) must be replaced.  
3 Check electrical line terminal 30 to the following items for firm seat and flawless condition
  • Battery (G1/+)
  • Connector terminal 30 left footwell (X4)
  • Connector terminal 30 (X12/3)
  • Alternator (G2/B+)
 
4 Check electrical line terminal 31 to the following items for firm seat and flawless condition
  • Battery (G1/-)
  • Battery ground (W10)
  • Ground strap between engine and body
 
5 Check ribbed V-belt tension    
6 Check function of the charge indicator lamp in the instrument cluster   *BE54.30-P-1001-01A 
7 Install in the reverse order    
TEST VALUES FOR ALTERNATOR CHARGE INDICATOR LAMP

Number Designation Model 129, 163, 168, 170, 202, 203, 208, 210
BE54.30-P-1001-01A Position of ignition / glow start switch Charge indicator lamp Off 0/1
Charge indicator lamp On 2