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Home >> Mercedes Benz >> 2017 >> GT AMG >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sliding Roof, Soft Top, Top Attachments -- 190 Chassis >> Testing & Repair >> Remove/Install Soft Top Mechanism Hydraulic Cylinder - AR77.37-P-4171RGR

Remove/Install Soft Top Mechanism Hydraulic Cylinder - AR77.37-P-4171RGR

Model 190.4 

Shown on left side of vehicle 

G16682724Courtesy of MERCEDES-BENZ USA
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
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
REMOVING Remove     
1 Remove soft top   AR77.30-P-1002RGR 
2 Install soft top on device   AR77.30-P-1002-03RGR 
REFER TO SPECIAL TOOLS 000 588 25 62 00 Lift table   WS01.00-P-0264A
    SPECIAL TOOL Device Fig 1
3 Open the soft top until the front bolts (8) and the pin lock (7) are accessible IMPORTANT Aid of helper required.  
4 Secure corrugated washer on front bolt (8) from falling down.    
5 Detach the pin lock (7) and remove the front bolt (8)    
6 Close soft top Aid of helper required.    
7 Secure spacer sleeves on rear bolt (2) from falling down.    
8 Detach the pin lock (3) and remove the rear bolt (2)    
9 Remove the covers above the soft top mechanism hydraulic cylinder (1)    
10 Remove cable ties (6)    
11 Move the soft top mechanism hydraulic cylinder (1) out of the main bearing until both retaining clamps (4) are accessible NOTES Ensure that the soft top mechanism hydraulic cylinder (1) is removed with care.
Otherwise, hydraulic lines (5) can be damaged.
 
12 Move the retaining clamps (4) on the soft top mechanism hydraulic cylinder (1) with a suitable tool and remove the hydraulic lines (5) from the soft top mechanism hydraulic cylinder (1) NOTES When moving the retaining clips (4), do not support the tool against the hydraulic lines (5).
Otherwise the hydraulic lines (5) can be damaged.
 
13 Close exposed connections with a stop plug and place on a suitable device NOTES Close the hydraulic lines (5) and connections on the soft top mechanism hydraulic cylinder (1) immediately.
To prevent contamination.
IMPORTANT Leaked hydraulic fluid causes an unpleasant odor that is very difficult to eliminate.
 
    SPECIAL TOOL Record plug Fig 2
14 Remove the soft top mechanism hydraulic cylinder (1)    
INSTALLING Install     
15 Insert the soft top mechanism hydraulic cylinder (1) until the hydraulic lines (5) can be connected to the soft top mechanism hydraulic cylinder (1) NOTES Ensure that the soft top mechanism hydraulic cylinder (1) is inserted with care. Otherwise, hydraulic lines (5) can be damaged.  
16 Remove the stop plug from the hydraulic lines (5) and connect the hydraulic lines (5) to the soft top mechanism hydraulic cylinder (1) NOTES Place a suitable material underneath.
To prevent contamination.
IMPORTANT Pay attention to marking on the hydraulic lines (5):
"11" on left soft top mechanism hydraulic cylinder (1), piston-side.
"12" on left soft top mechanism hydraulic cylinder (1), rod-side.
"13" on right soft top mechanism hydraulic cylinder (1), piston-side.
"14" on right soft top mechanism hydraulic cylinder (1), rod-side.
 
17 Move the retaining clamps (4) on the soft top mechanism hydraulic cylinder (1) with a suitable tool NOTES When moving the retaining clips (4), do not support the tool against the hydraulic lines (5).
Otherwise the hydraulic lines (5) can be damaged.
 
18 Insert the rear bolts (2) into the soft top mechanism hydraulic cylinder (1) with the spacer sleeves and install the pin lock (3) IMPORTANT Ensure that the spacer sleeves have been secured against falling down.  
19 Secure the hydraulic lines (5) to the soft top mechanism hydraulic cylinder (1) with new cable ties    
20 Attach the covers above the soft top mechanism hydraulic cylinder (1)    
21 Open the soft top until the opening for the front bolt (8) is accessible IMPORTANT Aid of helper required.  
22 Insert the front bolt (8) into the soft top mechanism hydraulic cylinder (1) with the corrugated washers and install the pin lock (7) IMPORTANT Ensure that the corrugated washers have been secured against falling down.  
23 Remove soft top from device   AR77.30-P-1002-03RGR 
REFER TO SPECIAL TOOLS 000 588 25 62 00 Lift table   WS01.00-P-0264A
    SPECIAL TOOL Device Fig 1
24 Install soft top   AR77.30-P-1002RGR 
25 Check the hydraulic system for leaks    
26 Check the hydraulic unit's oil level, correct it   AR77.37-P-3501RGR 
Fig 1: Identifying Device (197 589 01 31 00)
G16682609Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Record Plug (129 589 00 91 00)
G09975019Courtesy of MERCEDES-BENZ USA