Retrofit Mechanical Detachable Parts - AN31.11-P-8080-05LWH
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
Model 253.3
MODIFICATION NOTES
| 14.10.2019 | Bolt, trailer hitch to longitudinal member reinforcement (short) | BA31.11-P-1001-01M |
TRAILER COUPLING MECHANISM
| Number | Designation | Model 253 | ||
|---|---|---|---|---|
| BA31.11-P-1001-01M | Bolt, trailer hitch to longitudinal member reinforcement (short) | M12 | Nm | 120 |
TRAILER COUPLING MECHANISM
| Number | Designation | Model 253 | ||
|---|---|---|---|---|
| BA31.11-P-1002-01M | Longitudinal member reinforcement for trailer hitch (short) to body | Nut M12 | Nm | 120 |
| Bolt M12 | Nm | 125 | ||
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1028-04A | Assembly cleaner | A 000 986 56 01 |
Shown on fully electric swiveling trailer hitch
- Remove adhesive residue from seals (arrows) using suitable tool.
Use assembly cleaner.
Shown on model 253.9
- Remove stop plug (8) from rear center section.
The stop plug (8) is no longer required.
- Insert left longitudinal member reinforcement (2) into left longitudinal frame member.
- Insert right longitudinal member reinforcement (3) into right longitudinal frame member.
Shown on model 253.9
- Screw on screw/bolt (5) of right longitudinal member reinforcement (3) finger-tight.
- Screw on screw/bolt (5) of left longitudinal member reinforcement (2) finger-tight.
Shown on model 253.9
- Tighten nuts (15) finger-tight.
- Position trailer hitch crossmember (1) onto left and right longitudinal member reinforcements (2 and 3) and screw on screws/bolts (13) finger-tight.
Helper required.
- Align trailer hitch.
The sequence of operation steps described below must strictly be observed.
In order to ensure that the trailer hitch is seated correctly.
- Tighten nuts (15) to specified torque
.
- Tighten screws/bolts (5) to specified torque
.
Shown on model 253.9
- Tighten bolts (13) at left and right to torque
.
- Guide trailer hitch wiring harness (20) through rear center section into vehicle interior and fit grommet provided.