Remove/Install Soft Top Bow Hydraulic Cylinder - AR77.37-P-4190LWR
WARNING: This page is about a different car, the 2023 Mercedes-Benz C300, 2022 Mercedes-Benz C300, 2021 Mercedes-Benz C300, 2020 Mercedes-Benz C300, and 2019 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.
Model 205.4
Model 238.4
Fig 1: Soft Top Bow Hydraulic Cylinder Components Location - Model 205.4 (Shown On Left Side Of Vehicle)
Shown on left side of vehicle, Model 205.4
| 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 | |
| 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 | |
| Remove/Install | |||
| 1 | Move soft top to repair position R2 | Completely close soft top. |
AR77.30-P-1030LWR |
| 2 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m) | After a waiting time of min. 20 s the hydraulic is depressurized. |
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| 3 | Cover rear fender | ||
| 4 | Remove bolt (2) at top of hydraulic cylinder (1) | Observe installation position of bolt (2). |
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| 5 | Expose hydraulic lines (3) | ||
| 6 | Remove lock washers (4) from hydraulic lines (3) | ||
| 7 | Remove hydraulic lines (3) from hydraulic cylinder (1) | Catch hydraulic oil running out. |
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| 8 | Seal hydraulic lines (3) and connections of hydraulic cylinder (1) with stop plugs | Record plug |
Fig 2 |
| 9 | Lift retainer (5) using a suitable screwdriver, detach and remove hydraulic cylinder (1) at bottom | Do not remove retainer (5). Retainer (5) preload can otherwise be lost. |
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| 10 | Install in the reverse order | ||
| 11 | Check/correct oil level of hydraulic unit | AR77.37-P-3501LCA |