Product Name: Genuine Specification Front Brake Pad Set – ML / GLE (W166 / C292)
Genuine Part Numbers: Multiple variants (see Variant Guide below)
Wear Sensor Part Number: A1645401017
OEM Manufacturers: Mercedes-Benz Genuine / Brembo / ATE / Pagid
Product Description
Specification Overview
Genuine specification front brake pad set for the Mercedes-Benz W166 ML-Class / GLE-Class SUV and C292 GLE-Class Coupe. These are factory-spec braking components manufactured to OEM specifications by Mercedes-Benz’s original equipment suppliers (Brembo / ATE / Pagid). These brake pads deliver the precise stopping power, pedal feel, and fade resistance that Mercedes-Benz engineers designed into these premium SUVs.
⚠️ Critical Note: The W166 and C292 platforms have multiple front brake pad variants depending on the vehicle’s brake system configuration and option codes. The correct part number is determined by option codes (U29, P31, 494, Z04, Z05), not just chassis code. Always verify by VIN before ordering.
Variant Guide – Choose the Correct Pads
| Part Number | Brake System | Typical Application | Option Codes / Notes |
|---|---|---|---|
| A0074208120 | Standard Brakes | Base model ML / GLE without sport brakes | Without option codes U29, P31, 494 |
| A0074207920 | Standard Brakes | ML / GLE without option codes 494, P31, U29 | Option codes except 494, except P31, except U29 |
| A0084200020 | Standard Brakes | ML / GLE with option code 494, without P31, U29 | Option codes at 494, except P31, except U29 |
| A0084202020 | Sport Brakes | ML / GLE with Sport Brake System | Option code U29 |
| A0004201305 | Standard Brakes | ML / GLE (supersession/interchange) | Interchange part number for A0074208120 |
| A0004203302 | Standard Brakes | ML / GLE (supersession/interchange) | Interchange part number for A0074208120 |
| A0064203920 | Standard Brakes | ML / GLE (supersession/interchange) | Interchange part number for A0074208120 |
| P50108N | Standard Brakes | Brembo aftermarket equivalent | Fits W166 and X166 platforms from 2012–2019 |
⚠️ Important: Fitting the incorrect brake pad variant will result in improper fitment, reduced braking performance, and potential brake failure. Always verify the correct part number by VIN (17-digit chassis number) before ordering.
Application & Engine Fitment
ML-Class / GLE-Class SUV (W166) – 2011–2019:
| Variant | Models |
|---|---|
| ML-Class (W166) | ML 250 CDI / BlueTEC 4-matic (2011–2015) |
| ML-Class (W166) | ML 320 BlueTEC 4-matic |
| ML-Class (W166) | ML 350 4-matic (2011–2015) |
| ML-Class (W166) | ML 350 BlueTEC 4-matic (2011–2015) |
| ML-Class (W166) | ML 400 4-matic (2013–2015) |
| GLE (W166) | GLE 250 d (2015–2018) |
| GLE (W166) | GLE 300 d (2016–2017) |
| GLE (W166) | GLE 320 4-matic (2015–2018) |
| GLE (W166) | GLE 350 (2016–2018) |
| GLE (W166) | GLE 350 d 4-matic (2015–2018) |
| GLE (W166) | GLE 400 4-matic (2015–2018) |
GLE-Class Coupe (C292) – 2015–2019:
| Variant | Models |
|---|---|
| GLE Coupe (C292) | GLE 350 d 4-matic (2015–2019) |
| GLE Coupe (C292) | GLE 450 AMG 4-matic (2015–2019) |
| GLE Coupe (C292) | GLE 43 AMG 4-matic (2016–2019) |
GL-Class / GLS-Class (X166) – Shared Platform:
| Variant | Models |
|---|---|
| GL-Class (X166) | GL 350 CDI / BlueTEC 4-matic (2012–2015) |
| GL-Class (X166) | GL 400 4-matic (2013–2015) |
| GLS (X166) | GLS 350 d 4-matic (2015–2019) |
| GLS (X166) | GLS 400 4-matic (2015–2019) |
⚠️ Important: These pads are for front axle only. Rear brake pads have different part numbers.
Brake Pad Wear Sensor – A1645401017
The wear sensor is a critical component that monitors brake pad thickness. When the pads wear to the minimum safe thickness, the sensor completes a circuit that triggers the dashboard brake warning light.
Sensor Specifications:
| Specification | Detail |
|---|---|
| Part Number | A1645401017 |
| Position | Front axle (front-right wheel typically) |
| Type | Single-use wear indicator |
| Cross References | 164-540-10-17, wk607, Febi Bilstein 22663 |
| Fitment | W166 ML/GLE, X166 GL/GLS, W164 ML, X164 GL, W251 R-Class |
Sensor Variants (Option Code Dependent):
| Part Number | Application | Option Codes |
|---|---|---|
| A1645401017 | Standard brake system | Option codes other than U29 |
| A1715400617 | Sport brake system | Option code U29 |
⚠️ Important: Most W166 and C292 models use two sensors: one on the front-right wheel and one on the rear-right wheel. The sensor is a single-use component and must be replaced with every brake pad change. Attempting to reuse the sensor will result in a permanent dashboard warning light.
Service Life & Change Intervals (Technical Data)
Standard Recommended Interval:
-
30,000 – 50,000 km (front pads) under normal driving conditions
-
Replacement is required when the wear indicator triggers the dashboard warning light
Critical Adjustment for Kampala (Severe Operating Conditions):
The operational climate (ambient temperatures 20°C–40°C), high humidity, stop-and-go urban traffic, and frequent braking classify as “Severe Duty” per MB Work Instructions. Under these conditions, brake pad wear accelerates significantly.
Recommended Replacement Interval under East African operating parameters:
-
Maximum: 25,000 – 35,000 km (front pads)
-
Heavy urban use (taxis, fleets, daily city driving): 20,000 km recommended
-
AMG / high-performance models (GLE 43 AMG, GLE 63 AMG): 15,000 – 20,000 km due to higher thermal stress and vehicle weight
-
Replace as a set: Always replace both left and right sides simultaneously
Failure Symptoms – When to Replace:
-
Dashboard brake wear warning light illuminated
-
Reduced brake pedal responsiveness or longer stopping distances
-
High-pitched squealing or grinding noise when braking
-
Vibration or pulsation in the brake pedal during braking
-
Visible pad thickness less than 3mm
⚠️ Important: When replacing brake pads, always inspect the brake discs (rotors). W166 and C292 models use various disc sizes depending on brake system. If discs are scored, worn below minimum thickness, or warped, they must be replaced simultaneously. The wear sensor must always be replaced with the pads.
Packaging & Pricing (Alps Autoz Kampala)
| Packaging | Genuine Part Number | Price (UGX) |
|---|---|---|
| 1 Set (Front Pads – Standard) | A0074208120 / A0074207920 | Inquire |
| 1 Set (Front Pads – Standard) | A0084200020 | Inquire |
| 1 Set (Front Pads – Sport U29) | A0084202020 | Inquire |
| 1 Set (Front Pads – Brembo Equivalent) | P50108N | Inquire |
| 1 Unit (Wear Sensor – Standard) | A1645401017 | Inquire |
| 1 Unit (Wear Sensor – Sport U29) | A1715400617 | Inquire |
| Complete Front Brake Kit (Pads + Sensor) | Available on request | Inquire |
Complete Front Brake Service Kit Recommended:
For a complete front brake service, replace the following simultaneously:
-
Front brake pads (per variant – verify by VIN)
-
Brake pad wear sensor (A1645401017 or A1715400617 – verify by option code)
-
Brake discs (if worn – per chassis specification)
-
Brake fluid (MB 331.0 / DOT 4 PLUS – A0009895605)
Technical Notes for the Workshop
-
Variant Selection: The correct pad set depends on the vehicle’s brake system option codes (U29, P31, 494, Z04, Z05). Always verify by VIN before ordering.
-
Installation: The wear sensor clips into the brake pad and connects to the vehicle wiring harness. Ensure the sensor wire is routed correctly to avoid chafing.
-
Sensor Type: This is a single-use sensor. The dashboard warning light will remain illuminated if the sensor is reused.
-
Bedding-In Procedure: After installation, perform 10–15 moderate stops from 50 km/h to 30 km/h to bed the new pads and discs. Avoid harsh braking for the first 200 km.
-
Genuine vs. Aftermarket: Genuine MB brake pads are manufactured to OEM specifications. Equivalent aftermarket brands with cross-reference include:
-
Brembo P50108N – OEM supplier for Mercedes-Benz
-
ATE – Original Equipment Supplier
-
Pagid – Original Equipment Supplier
-
Textar – Premium aftermarket
-
-
Storage: Store in a dry environment away from direct sunlight. Brake pads have an indefinite shelf life when stored properly.
-
Compatibility Note: These pad sets are not interchangeable between standard and AMG Sport brake systems. Always verify by VIN (17-digit chassis number) before ordering.
Alps Autoz – Kampala









Reviews
There are no reviews yet.