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Home >> Mercedes Benz >> 2021 >> E53 AMG 2D Convertible >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sliding Roof, Soft Top, Top Attachments - 238 Chassis >> Testing & Repair >> Remove/Install Top/Bottom Soft Top Bow Limit Switch - AR77.39-P-3700LWR

Remove/Install Top/Bottom Soft Top Bow Limit Switch - AR77.39-P-3700LWR

Model 205.4 

Model 238.4 

Fig 1: Top/Bottom Soft Top Bow Limit Switch Components Location - Model 238.4
G15378963WARNINGWARNINGREMOVINGIMPORTANTIMPORTANTIMPORTANTIMPORTANTNOTESINSTALLINGCAUTIONREFER TO SPECIAL TOOLSSPECIAL TOOLSPECIAL TOOLSPECIAL TOOLSPECIAL TOOLSPECIAL TOOLSPECIAL TOOLIMPORTANTCourtesy of MERCEDES-BENZ USA
WARNING Risk of injury  . Moving parts can pinch, crush or, in extreme cases even sever extremities. No parts of the body or limbs should be within the operating area of mechanical components when moving components. AS00.00-Z-0009-01A
WARNING Risk of injury  when performing check and repair work in area of roll bar Keep body parts out of the area where the roll bars extend.
Do not use the cover in the area of the roll bar as a storage place for objects.
AS91.00-Z-0003-01LCA
REMOVING Remove     
1 Move soft top to repair position R2 IMPORTANT Do not secure soft top bow (1) against lowering. AR77.30-P-1030LWR 
2 Switch off ignition and store transmitter key outside of transmission range (min. 2 m) IMPORTANT Where ignition is switched off, the pressure in the hydraulic system independently decreases after approx. 20s and soft top bow (1) lowers.  
3 Cover rear left fender    
4 Lift soft top bow (1) until upper soft top bow limit switch (S84/8) is accessible and secure against lowering in this position IMPORTANT Helper required.  
5 Knock rivet (2) off of soft top frame (3) and remove rivet residues IMPORTANT Helper required.  
6 Expose wiring harness (4) and cut in area of retaining clips (5) NOTES
Cut wiring harness (4) so that the repair point is not stressed mechanically when opening and closing the soft top.
Otherwise the repair point can be damaged.
 
7 Remove upper soft top bow limit switch (S84/8)    
INSTALLING Install     
8 Shorten electrical lines of new upper soft top bow limit switch (S84/8) to corresponding length If necessary.  
CAUTION Risk of injury  caused by burns to skin and eyes, risk of poisoning caused by inhaling fumes during soldering. Wear protective gloves, protective clothing and safety glasses. Ensure that the work area is adequately ventilated. Secure power supply cables. Avoid sources of fire in working area. AS00.19-Z-0002-01A
9 Solder electrical lines of upper soft top bow limit switch (S84/8) to wiring harness (4) and insulate    
Topical note  Notes on soldering   AH00.19-P-1000-10A
  Notes on soft soldering   AH00.19-P-1000-07A
REFER TO SPECIAL TOOLS 000 588 00 84 00 Heat gun   WS54.00-P-0049B
      AR00.19-P-0100-09A
    SPECIAL TOOL New passenger car wiring harness repair kit Fig 2
    SPECIAL TOOL Wire stripper Fig 6
    SPECIAL TOOL Welding bead catcher Fig 3
    SPECIAL TOOL Wiring harness repair kit, basic Fig 5
    SPECIAL TOOL Reflector Fig 4
    SPECIAL TOOL Adapter Fig 7
10 Protect repair point with fabric tape after repairing line   AR00.19-P-0100-08A
11 Rivet upper soft top bow limit switch (S84/8) to soft top frame (3) IMPORTANT Pay attention to installation position.
Helper required.
 
12 Remove retainers for repair position on soft top mechanism    
13 Remove cover from rear left fender    
14 Switch on ignition and completely close soft top    
Fig 2: Identifying New Passenger Car Wiring Harness Repair Kit (220 589 04 99 00)
G13743265Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Welding Bead Catcher (129 589 01 98 00)
G15378965Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Reflector (220 589 01 99 41)
G12618303Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Wiring Harness Repair Kit, Basic (000 589 13 99 00)
G12618300Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Wire Stripper (220 589 01 99 40)
G12619004Courtesy of MERCEDES-BENZ USA
Fig 7: Identifying Adapter (220 589 01 99 42)
G13654422Courtesy of MERCEDES-BENZ USA