2013-2019 Mercedes B250 Sun Visor: Fixing Droop, Sag, and Matching Colors

Symptoms of a Failing Sun Visor

Sun visor failures are usually easy to spot. They range from minor annoyances to genuine safety concerns if the visor obstructs your view. Here are the most common problems you'll encounter.

1. Sun Visor Drooping or Not Staying Up

This is the most frequent complaint. You push the visor up, and it immediately sags down, either partially or completely blocking your vision. This happens when the internal spring or friction mechanism in the pivot rod wears out. Constant use and heat cycles weaken the components that are supposed to hold it firmly against the headliner. This is not something that can be tightened; the internal mechanism is worn and the visor assembly must be replaced.

2. Broken Vanity Mirror Cover or Hinge

The small plastic hinges on the vanity mirror cover are fragile and can easily break from repeated use. When this happens, the cover may hang loose, fall off completely, or cause the vanity light to stay on, potentially draining the battery.

3. Flickering or Dead Vanity Light

If the light for the vanity mirror doesn't turn on or flickers, the issue could be a burnt-out bulb, a faulty switch (which is often part of the mirror cover hinge), or a problem with the wiring or connector in the headliner. Often, a broken mirror cover hinge is the root cause of the light not working, as it fails to activate the switch.

4. Sagging or Peeling Fabric

The fabric or vinyl covering on the sun visor is attached with adhesive. Over years of exposure to intense sun and heat, this adhesive can fail, causing the material to bubble, sag, or peel away from the visor's inner structure.

Known Issues, TSBs, and Recalls

As of mid-2026, there are no specific recalls or widespread Technical Service Bulletins (TSBs) from Mercedes-Benz for sun visor failures on the 2013-2019 B250. Problems like drooping, broken mirror covers, or peeling fabric are generally considered normal wear-and-tear items. While some other vehicle brands have issued TSBs for loose visors that involve adding foam pads, this is not a documented procedure for the B-Class.

Buying a Used Sun Visor for Your B250

Since a new OEM sun visor can be surprisingly expensive, a quality used OEM part is often the best value. It guarantees a perfect fit, correct electrical connection, and an exact color match, unlike many aftermarket alternatives. Here’s how to ensure you get the right part.

Step 1: Identify Your Visor's Features

Not all visors are the same. Before buying, confirm these two things on your current visor:

• Driver vs. Passenger Side: They are not interchangeable.
• Illuminated Vanity Mirror: Nearly all B250 models came with an illuminated mirror, but it's wise to double-check. A visor without the light will have a blank plate where the lens should be, and the wiring connector will be different.

Step 2: Find Your Interior Color Code

This is the most critical step for a perfect match. Mercedes uses several shades of grey, beige, and black that look similar online but are noticeably different in person. Do not guess based on photos.

You can find your three-digit interior trim code on the vehicle's data plate. On most modern Mercedes models, this is a black sticker located on the driver's side door jamb (the B-pillar). On some older models, it may be a metal plate under the hood on the radiator support. The interior code is typically located near the paint code.

Common interior color codes for this model include:

• 9H43: Black / Anthracite
• 7M94 / 7N00: Crystal Grey
• 1C36 / 1C37: Sahara Beige

Step 3: What to Inspect on a Used Visor

• Pivot Tension: The main pivot should feel stiff and hold its position without any help. If it feels loose, it will droop in your car.
• Mirror Cover Hinge: Open and close the vanity mirror cover several times to ensure the hinge is intact and operates smoothly.
• Fabric Condition: Check for any signs of peeling, bubbling, or stains on the fabric.
• Mounting Points: Ensure the plastic mounting base and screw holes are not cracked or damaged.

Cost Comparison for a B250 Sun Visor

Prices can vary significantly between new, used, and aftermarket options. Dealership replacement costs are often high due to both parts markup and labor charges.

Sun Visor Replacement Guide (DIY)

Replacing the sun visor on a W246/W242 B-Class is a very simple DIY job that requires minimal tools and time.

• Difficulty: 1/5 (Beginner)
• Estimated Time: 15 minutes
• Tools Needed:
  • Plastic trim removal tool
  • Torx T20 screwdriver

Step-by-Step Instructions:

1. Pry Off the Mounting Cover: The base of the sun visor where it meets the headliner has a plastic cover. Use a trim tool to gently pry this cover off. It is held on by clips.
2. Disconnect Electrical Connector: With the cover off, you will see the small electrical connector for the vanity light. Carefully unplug it.
3. Unscrew the Visor: There are typically two or three Torx T20 screws holding the visor's mounting bracket to the roof structure. Remove these screws while supporting the visor to keep it from falling.
4. Remove the Old Visor: The visor will now be free. You may also need to unclip the other end of the visor from its holder near the rearview mirror.
5. Install the New Visor: Installation is the reverse of removal. Position the new visor, plug in the electrical connector, and secure it with the Torx screws. Do not overtighten the screws.
6. Test and Finish: Before snapping the plastic cover back on, test the vanity light to ensure it works. Then, press the cover firmly back into place until it clicks.

Technical Specifications & Part Numbers

The primary part numbers for the B250 sun visor belong to the A246 chassis designation. Be aware that part numbers starting with A166 are for other models like the ML/GLE-Class and will not fit.

• Chassis Code: W246, W242
• Common Base Part Numbers: A2468100310, A2468100410, A2468102500
• Example Full Part Number (with color code): A24681003107M94 (Crystal Grey)
• Mounting Screw Torque: 2.5 N·m (22 in. lbs.) if you are using a torque wrench.

Frequently Asked Questions (FAQ)