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Remove/install electrical line from battery to starter/alternator - AR54.18-P-0006MCU

MODEL 451.3/4 (except 451.391/491) 

Fig 1: Identifying Electrical Line From Battery To Starter/Alternator Remove/Install Components
G10978639Courtesy of MERCEDES-BENZ USA

Shown on model 451.4 with code (I01) Air conditioning Plus 

Fig 2: Identifying Electrical Line From Battery To Starter/Alternator Remove/Install Components - Shown On Model 451.4 With Code (I01; 1 Of 2)
G10978640Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Electrical Line From Battery To Starter/Alternator Remove/Install Components - Shown On Model 451.4 With Code (I01; 2 Of 2)
G10978641Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Disconnect ground line of battery (G1)   AR54.10-P-0003MCC 
2 Remove cover (2)    
3 Unscrew nut (4) and place electrical line (3) to one side    
4 Detach positive terminal (6) of electrical line (1) to the battery (G1)    
5 Unclip holder (5) of electrical line (1) on battery tray IMPORTANT The brackets (5, 8, 14, 15) and the bracket (arrow A) as well as the protective covers on the electrical line (1) are present on the new electrical line (1), when reusing the old electrical line (1) ensure that it is not damaged.  
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
6 Raise vehicle using the vehicle lift and remove underfloor paneling Rechargeable drill/screwdriver
 		  
7 Release rear drive module   AR01.00-P-3050MCU
8 Release grommet (7) of electrical line (1) from battery recess INSTALLATION IMPORTANT : Ensure that grommet (7) is seated correctly.  
9 Mark the position of brackets (5, 8, 14, 15), the bracket (arrow A) as well as the bracket (11) and bracket (arrow B) on the electrical line (1)    
10 Unclip bracket (8) and bracket (arrow A) of electrical line (1) on underfloor    
11 Unclip electrical line (1) from holder (9) on brake line (10)    
12 Unclip electrical line (1) from bracket (11) and bracket (arrow B)    
13 Unscrew nut (12) on starter (M1) and remove electrical line (1)    
14 Unclip bracket (14) of electrical line (1) on intake manifold    
15 Unclip holder (15) of electrical line (1)    
16 Unscrew nut (13) on alternator (G2) and remove electrical line (1)    
17 Route electrical line (1) out and then remove NOTES Route electrical line (1) accurately, as otherwise the line may suffer from chafing and crushing.
INSTALLATION IMPORTANT : Replace damaged bracket (5, 8, 14, 15) and bracket (arrow A). The new brackets (5, 8, 14, 15) as well as bracket (arrow A) should be attached in exactly the same position of the electrical line (1).
Make sure that the new holders (5, 8, 14, 15) and the holder (arrow A) are not twisted through 180° when secured to the electrical line (1).		  
18 Transfer all markings made to the electrical line (1) to the new electrical line (1) When replacing the electrical line (1).
IMPORTANT This ensures that the brackets (5, 8, 14, 15), the bracket (arrow A) as well as the bracket (11) and bracket (arrow B) are positioned at exactly the same point on the new electrical line (1), their position should be corrected if necessary.		  
19 Install in the reverse order    
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