Mercedes A-Class W169 Wiper and Glass Systems

Wiper and Glass Systems Packaging and Delivery
The Wiper and Glass Systems kit designed for the A-Class W169 (2004–2011) is packaged in impact-resistant foam interlayered, compartmentalized special boxes. All Wiper and Glass Systems components—front/rear wiper arms and rubber blades, glass seals, glass lift mechanisms, window switch modules, water spray hoses, and connection fittings—are secured in special compartments. This packaging arrangement ensures protection against vibration, impact, and moisture during shipping. Delivery across Turkey within 24–48 hours, live cargo tracking, and cash on delivery options make your Wiper and Glass Systems shopping both secure and practical.

Warranty Conditions
A 2-year warranty is offered for original OEM parts and a 1-year warranty for ISO/TS 16949 certified aftermarket alternatives. Warranty coverage includes:

• Manufacturing Defects and Material Flaws (blade rubber tears, glass seal deformations, lift mechanism failures, switch contact issues)

• Shipping Damages (packaging deformations, part scratches or dents)

• Incorrect Part Shipment (wrong part shipment according to your chassis number)

For returns, it is sufficient to present the original packaging, invoice, and part labels completely.

After-Sales Technical Support
Our 24/7 accessible technical support line is here to assist you during the installation and commissioning process of the Wiper and Glass Systems. Our expert team:

• Confirms the correct part codes and compatibility by checking your vehicle's chassis number (VIN),

• Glass seal replacement, glass lift installation, window switch setup, and guidance through wiper arms/blade assembly steps via screen sharing or phone support,

• Describes step-by-step how to perform post-installation water tightness tests, button function checks, and wiper speed adjustments,

• Assists with reading glass motor fault codes and providing solutions via OBD.

Wiper and Glass Systems Kit Contents and Technical Specifications

1. Wiper Components

   • Front/Rear Wiper Arms: Corrosion-resistant metal alloy arm, pivot nuts providing a “click” feel.

   • Wiper Rubber Blades: UV and heat-resistant EPDM rubber; quiet, scratch-free cleaning performance.

   • Wiper Motor & Gear Set: 12 V low-noise motor, vibration-free operation with optimized gear ratio.

   • Pivot Caps and Nuts: Waterproof cap design; nut set at OEM torque values.

2. Glass System Parts

   • Door Glass Seals: Upper and lower seals; high-density EPDM, complete sealing against water and dust.

   • Glass Lift Mechanism: Closed gear, lubrication-free metal alloy gears.

   • Window Switch Module: Ergonomic button, LED illuminated OEM compatible; reliable electrical contact.

   • Glass Motors: 12 V high torque, quiet and fast glass movement.

   • Electrical Wiring Harnesses & Connectors: Waterproof connectors, OEM color-coded wires.

3. Mounting Brackets and Accessories

   • Seal and Panel Clips: OEM compatible plastic/metal clip sets.

   • Screw, Nut, and Washer Set: Special alloy screw, spring nut, and washer group.

   • Lubrication & Cleaning Sprays: Silicone-based spray for cleaning gears and seals.

Wiper and Glass Systems Installation and Setup Guide

1. Preparation

   • Turn off the ignition, disconnect the negative terminal of the battery.

   • Prepare a panel spatula, torque wrench, and screwdriver set.

2. Removal of Old Parts

   • Wiper Arms/Blades: Lift the arms, remove the pivot cap and loosen the nuts; detach the arm and separate the blade seal.

   • Glass Seals: Carefully remove the upper and lower seals by removing the door panel.

   • Glass Lift & Motor: Remove the inner panel and disconnect the electrical connectors to detach the mechanisms.

   • Window Switch: Remove the clips from the console panel and detach the switch, disconnect the connectors.

3. Surface Cleaning

   • Clean the panel and seal grooves from dust and old adhesive residues.

   • Clean the contact surfaces of the button panel with electrical spray.

4. Installation of New Parts

   • Glass Seals: Push the EPDM seals into their grooves until you hear a “click,” then clip them in.

   • Glass Lift & Motor: Install the mechanism in place and tighten the nuts and bolts to OEM torque; connect the sockets.

   • Window Switch: Snap the panel clips in place and connect the sockets; test the functionality.

   • Wiper Arms: Tighten the pivot nuts with a torque wrench; integrate the blade seal into the arm.

   • Motor and Blade: Secure the motor gear group to the body and check the connection.

5. Test & Control

   • Reconnect the battery; fully open and close the window using the window switch, confirming smooth operation.

   • Wiper function should be tested at all speed settings and in water spray mode.

   • Confirm all functions before reattaching the panel and clips; then secure the panels.

Wiper and Glass Systems Maintenance and Longevity Tips

• Seal Inspection: Inspect glass seals and wiper rubber for cracks or wear every 20,000 km.

• Gear Lubrication: Lubricate the glass lift mechanism with a silicone-based spray every 40,000 km to prevent squeaks and sticking.

• Button Cleaning: Periodically clean the contacts of the window switch with electrical spray.

• Blade Replacement: Replace rubber blades every 6 months or immediately if they leave streaks.

• Winter Preparation: Protect seals with a silicone-based protective spray against freezing.

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