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Home >> Mercedes Benz >> 2021 >> C43 AMG 2D Convertible >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sliding Roof, Soft Top, Top Attachments - 205 Chassis >> Testing & Repair >> Remove/Install Soft Top Compartment Cover Hydraulic Cylinder - AR77.37-P-4175LWR

Remove/Install Soft Top Compartment Cover Hydraulic Cylinder - AR77.37-P-4175LWR

Model 205.4 

Model 238.4 

Shown on left side of vehicle 

G13023819Courtesy 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  to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning  from swallowing hydraulic fluid. Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses. AS00.00-Z-0013-01A
REMOVING Remove     
1 Move soft top to repair position R2 with switch IMPORTANT Do not secure soft top compartment lid (1) against lowering. AR77.30-P-1030LWR 
2 Switch off ignition and store transmitter key outside of transmission range (min. 2 m) IMPORTANT After a waiting time of min. 20 s the hydraulic is depressurized.  
3 Cover rear fender    
4 Manually close soft top compartment lid (1) IMPORTANT Helper required.
IMPORTANT The residual pressure in the hydraulic cylinder (2) is relieved by manually closing.
 
5 Move soft top manually to repair position R2   AR77.30-P-1030LWR 
6 Unclip bracket (3) and lay down to side    
7 Remove lock washers (4) from hydraulic lines (5)    
8 Pull hydraulic lines (5) out of hydraulic cylinder (2) IMPORTANT Catch hydraulic oil running out.  
9 Close hydraulic lines (5) and connections of hydraulic cylinder (2) with stop plugs SPECIAL TOOL Record plug Fig 1
10 Lift upper retainer (6) and lower retainer (6) using a suitable screwdriver, detach and remove hydraulic cylinder (2) NOTES Do not remove retainer (6).
Retainer (6) preload can otherwise be lost.
 
INSTALLING Install     
11 Clip in hydraulic cylinder (2) at top and bottom    
12 Remove stop plug from hydraulic lines (5) and remove from connections on hydraulic cylinder (2)    
13 Insert hydraulic lines (5) into hydraulic cylinder (2)    
14 Install lock washers (4) on hydraulic lines (5)    
15 Clip in bracket (3)    
16 Manually open soft top and lay down in soft to compartment IMPORTANT Helper required.  
17 Remove retainer on soft top compartment lid (1) and lay soft top compartment lid (1) down on soft top IMPORTANT Helper required.  
18 Switch on ignition    
19 Move soft top to repair position R1 with switch   AR77.30-P-1030LWR 
20 Completely open and close soft top compartment lid (1) at least four times using switch IMPORTANT Do not close soft top bow completely.  
21 Completely close soft to with switch    
22 Check/correct oil level of hydraulic unit   AR77.37-P-3501LCA 
Fig 1: Identifying Record Plug (129 589 00 91 00)
G13023820Courtesy of MERCEDES-BENZ USA