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Your Vehicle  //  Porsche  //  Cayman 987C / 981C (2005-2016)  //  Cayman GT4 3.8L 2015-16

Window Switch

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99161315102DML
Product Information
Product Information
Door panel mirror and window switch. Matt Black / Hi-gloss chrome.

Fits:
Porsche 991.1 Carrera 2012-16 COUPE
Porsche 991.1 Targa 4 / 4S 2013-16
Porsche 991.2 Carrera 2017-18 COUPE / TARGA
Porsche 991 Turbo 2014-16 COUPE
Porsche 991 GT3 2014-18
Porsche 981 Boxster / Spyder 2012-16
Porsche 981C Cayman / GT4 2014-16
Porsche 982 Boxster 2017>>
Porsche 982C Cayman 2017>>

Cars with option codes:
I254 - Manually retractable exterior mirrors
I256 - Manually retractable mirrors with memory
I257 - Manually retractable mirrors with auto dimming
I258 - Manually retractable mirrors with auto dimming and memory

Click 'Zoom in' for large parts diagram.
Diagram ref no 11

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99161315102DML
99161315102DML
99161315101DML
99161315100DML
99161315102
99161315101
99161315100

The product you are viewing cross references to these numbers
99161315102DML/1
Product Information
Product Information
Door panel mirror and window switch. Matt Black / Hi-gloss chrome.

Fits:
Porsche 991.1 Carrera 2012-16 COUPE
Porsche 991.1 Targa 4 / 4S 2013-16
Porsche 991.2 Carrera 2017-18 COUPE / TARGA
Porsche 991 Turbo 2014-16 COUPE
Porsche 991 GT3 2014-18
Porsche 981 Boxster / Spyder 2012-16
Porsche 981C Cayman / GT4 2014-16
Porsche 982 Boxster 2017>>
Porsche 982C Cayman 2017>>

Cars with option codes:
I254 - Manually retractable exterior mirrors
I256 - Manually retractable mirrors with memory
I257 - Manually retractable mirrors with auto dimming
I258 - Manually retractable mirrors with auto dimming and memory

Diagram ref no 11

What Is This Part?

This is a combined electrical switch assembly fitted into the driver's door panel. Its window buttons provide the operating inputs for the electric window system, while the mirror controls allow the driver to select and adjust the exterior mirrors. The assembly works with the vehicle's wiring, control electronics and the relevant motors and mechanisms. Matching the original control layout and mirror equipment is important because similar-looking switches can serve different vehicle specifications.

What Does This Part Do?

Operates the electric windows: Provides the driver's controls for requesting window opening and closing.
Selects the exterior mirror: Allows the driver to choose which mirror to adjust.
Controls mirror adjustment: Provides directional inputs to position the selected mirror glass.
Combines door-mounted controls: Brings the window and mirror operating switches together in one assembly.

Why Replace This Part?

Replacement may be appropriate when testing identifies worn contacts, internal switch damage or broken operating buttons. Repeated use, dirt and moisture can affect switch movement or electrical connections, potentially causing intermittent response or loss of an individual function. Physical damage can also leave a button loose or unable to return correctly.

A window or mirror that does not respond is not proof that this switch has failed. Inspect the connector, door wiring and relevant power supply, and check the motor or mechanism where necessary. OE Match provides a Porsche-focused replacement option once the switch has been identified as the cause and the correct version has been confirmed.

When to Replace This Part?

Intermittent response: A window or mirror control works only after repeated presses or when held at a particular angle.
Missing directional control: A window operates in only one direction, or a mirror responds on only one axis, and testing traces the fault to the switch.
Damaged buttons: A rocker, selector or operating surface is cracked, loose, sticking or broken.
Poor mirror selection: The selector cannot reliably choose the intended mirror.
Visible electrical deterioration: Moisture damage or corroded terminals warrant inspection of both the switch and its connector.
Poor mounting: Damaged retaining features prevent the assembly seating securely in the door panel.

Where Is This Part Fitted?

Location: In the driver's interior door panel, at the combined electric window and exterior mirror controls. It connects to the door wiring and is retained within the door trim assembly.

Technical Details

Control type: Combined electric window and exterior mirror switch assembly.
Position: Driver's side.
Finish: Matt Black / Hi-gloss chrome.
Equipment matching: Confirm mirror specification, control layout and electrical connection against the original assembly.

FAQs

Could an unresponsive window be caused by the regulator or motor?
Yes. Grinding noises, abnormal glass movement or a motor that runs without moving the glass require investigation of the window mechanism rather than assuming a switch fault.
What should be checked before replacing the switch?
Check the relevant power supply, connector condition and door wiring, including the section that flexes as the door opens. Electrical testing should follow the vehicle-specific repair procedure.
Does a mirror that moves in only one direction confirm switch failure?
No. The switch, wiring and mirror adjustment mechanism can produce similar symptoms. Test the affected circuit before choosing a replacement.
Can I choose this switch by appearance alone?
No. Compare the original reference, body style, mirror equipment and control layout as well as the vehicle model and year.

Product Summary

Product: Combined door panel mirror and window switch.
Brand: OE Match.
Fitted position: Driver's interior door panel.
Purpose: Provides electric window operating controls and exterior mirror selection and adjustment.
Selection checks: Vehicle application, body style, mirror equipment and original switch reference.  

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99161315102DML
99161315102DML
99161315101DML
99161315100DML
99161315102
99161315101
99161315100

The product you are viewing cross references to these numbers
DISPLAYING 1 to 2 (of 2 products)
Also found on these pages
About Window Switch

Restore comfort and convenience with Porsche electric window switches from Design911. These essential interior components control your vehicle’s power window system, ensuring smooth and reliable window operation at the touch of a button.

What They Are & What They Do
An electric window switch is an electrical control unit mounted on the door panel or center console that allows you to raise and lower your windows electronically. When pressed, it sends a signal to the window motor, activating the lift mechanism.
Modern Porsche models feature multi-function switches with integrated child locks, lighting, or memory features for added convenience.

Why They Fail
Window switches can fail due to wear and tear, moisture exposure, dust, electrical corrosion, or broken internal contacts. Constant use, especially on the driver’s side, can lead to sticking buttons, intermittent operation, or total switch failure. In some cases, the internal circuitry can short out, causing the windows to become unresponsive.

Why They Should Be Replaced
A faulty window switch not only reduces convenience but can also compromise safety and weather protection. Replacing the switch restores full power window functionality, ensuring the ability to quickly open or close windows as intended.
Design911 offers a full range of genuine Porsche and premium aftermarket window switches, engineered for precise fitment, OEM-grade quality, and long-term reliability - suitable for all models, from classic 911s to modern Taycan and Macan vehicles.

Genuine Porsche Electric Window Switches
Factory-original window switches designed to meet Porsche’s exacting standards for fitment, finish, and smooth operation.

Aftermarket Replacement Switches
High-quality, cost-effective alternatives offering OEM-equivalent performance and long service life.

Driver & Passenger Window Switches
Single or dual-position switches providing precise control for individual window operation, available for left and right-hand doors.

Central Console & Master Control Switches
Master control units for multi-window operation - perfect for modern Porsches equipped with advanced interior systems.

Classic Porsche Window Switches
Authentic reproductions for heritage models such as the 911, 912, and 964, preserving period-correct appearance and tactile feel.

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