Glovebox Replacement Button Lock For Mercedes ML W166 - 2012 to 2015

Glovebox Button Lock Replacement for Mercedes-Benz ML W166 — Direct OEM Replacement, No Tools Needed

Direct replacement glovebox latch handle for the Mercedes-Benz ML (W166). The W166 ML glovebox latch has a documented failure pattern — the injection-molded plastic housing cracks under thermal stress, the spring mechanism loses tension, and eventually the button either jams or breaks off. This part replaces OEM part number A1666800491 and reinstalls in the factory mounting position without tools, adhesives, or any disassembly of the dashboard.

Looking to further upgrade your Mercedes-Benz? Also visit the Mercedes-Benz section of our aftermarket parts shop.

Compatible Mercedes-Benz Models

This glovebox latch handle replaces OEM part A1666800491 and fits the following models:

Why the ML W166 Glovebox Latch Fails

The W166 ML glovebox latch fails in a predictable sequence: the spring weakens first, making the button feel stiff or requiring extra force to depress. Then the thin plastic housing develops a hairline crack around the mounting collar, and eventually the whole assembly breaks free or the chrome cap separates. High-mileage ML models — this platform was sold from 2012 through 2015 with many now approaching 100k miles — are particularly susceptible to this failure. The heat trapped in the passenger compartment accelerates plastic degradation over time.

This OEM-spec replacement (part A1666800491) addresses the root cause with improved material construction. It clips directly into the factory hole, no modifications needed.

Key Features

• OEM-spec replacement — matches Mercedes-Benz part number A1666800491 for precise fit and function
• Durable ABS and PC construction — improved resistance to heat-related brittleness versus the original
• Chrome-finish button — matches factory interior trim for an invisible repair
• Smooth latch mechanism — clean click-open, secure hold-closed, no jamming or play
• Direct snap-in fit — no modifications, no adhesive, no drilling

Two-Minute Installation

No tools required. No dashboard removal. No dealership visit.

1. Open the glovebox and remove the old latch by releasing the retaining clips from behind the glovebox door panel
2. Snap the new latch into the same mounting position — it clicks into place
3. Test the button — press to open, push the door to close and latch

What's Included

• 1x Glovebox latch handle assembly (chrome button with mounting housing)

Free shipping on all orders. Every product is backed by a 1-year warranty.

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