Body
Work on a front door
In this manual: Body
22steps
~132min
4/5difficulty
Done 0 of 22
FRONT DOOR
REMOVAL AND REFITTING
- Remove the trim (1) (Fig.39).
- Disconnect the door harness connectors and remove the harness from the door.
- Unclip the boot seal (2).
- Remove the caps (3), then the screws behind them.
- Lift the door off the hinges.
To refit, reverse the procedure and respect the door gap settings.

Fig. 39

Front door (hinges and lock)
- Front door
- Decals
- Sealing gaskets
- Outside handle
- Guide
- Reinforcement
- Interior release cable
- Lock
- Link rod
- Striker
- Bolts: 1 daN.m
- Boot
- Hinges
- Bolt: 3.2 daN.m
- Caps.
FRONT DOOR TRIM
REMOVAL AND REFITTING
- Lower the door window.
- Remove the door mirror inner trim.
- Unclip the cover (1) (Fig.40).

Fig. 40
- Remove the screws (2).
- On the rear edge of the trim, using a suitable trim tool or a screwdriver, release the clip (3) at (A), then remove it (Fig.41).

Fig. 41
- Unclip the door trim (4) using a trim removal tool (Fig.42).
- Remove the door trim (4) by lifting it to clear the window frame.
- If equipped, disconnect the lower door light connector.
- Unhook the cable from the interior door release control.
To refit, reverse the removal procedure, observing the following points:
- replace any damaged door trim retaining clips,
- replace clip (3) if damaged,
- the arrow mark (B) on clip (3) must face the passenger compartment.

Fig. 42
FRONT DOOR WINDOW REGULATOR MECHANISM
REMOVAL AND REFITTING
- Remove the door trim (see corresponding operation).
- Remove the plugs (1) (Fig.43).

Fig. 43
- Reconnect the window regulator switch and lower the window until screws (2) are accessible through the holes.
- Disconnect the window regulator switch.
- Remove the screws (2).
- Reconnect the window regulator switch, raise the window fully until it stops, and hold it to the door frame with adhesive tape.
- Disconnect the window regulator switch and the various connectors attached to the mounting plate (3).
- Remove the guide (4) of the outer door handle; to do so (Fig.44):
- remove the plug (5),
- loosen screw (6) until the guide (4) is released,
- pull the door handle (7) and remove the guide (4) from the door.

Fig. 44
- Remove the outer door handle (7) by pulling it.
- Remove the door handle seal (8) (Fig.45).

Fig. 45
- Remove screw (9).
- Push the bearing bracket (10) forward and unhook it from the front door.
- Loosen screws (11) (Fig.46).

Fig. 46
- Drill out the rivets (arrows) (Fig.43).
- Remove the mounting plate (3) with the window regulator mechanism.
To refit, reverse the removal procedure, observing the following points:
- apply thread locker (Loctite 262) to the thread of screw (6) (Fig.44),
- position the door handle correctly,
- before tightening screws (2), push the window rearward until it stops in the rear window seal channel. The window must sit fully in the regulator brackets (12) (Fig.43).
FRONT DOOR SLIDING WINDOW
REMOVAL AND REFITTING
- Remove the door trim (see corresponding operation).
- Remove the inner window seal.
- Remove the plugs (1) (Fig.47).

Fig. 47
- Reconnect the window regulator switch and lower the window until screws (2) are accessible through the holes.
- Disconnect the window regulator switch.
- Loosen screws (2).
- Reconnect the window regulator switch and lower the window fully while supporting it so that it does not fall.
- Disconnect the window regulator switch.
- Tilt the front of the window down and the rear up, then remove it from the door.
On refitting, before tightening screws (2), the window must sit fully in the regulator brackets (3).

Front door window with mechanism
- Outer window seal
- Door frame seal
- Inner window seal
- Window
- Bracket
- Mounting plate with window regulator mechanism
- Motor.
Test yourself
A quick Mercedes-Benz B-Class quiz: every answer comes with an explanation and a link to the manual page.
Was this page helpful?