2021 Mercedes-Benz GLC300 wiper blade size
Windshield wiper sizes for the 2021 Mercedes-Benz GLC300: 22" driver-side and 22" passenger-side. Rear not verified with TL11 connectors. Supported by 10 checked sources.
Front sizes confirmed unchanged across 5 model years (2016–2021).
Driver and passenger blades are the same size (22") — order two of the same blade for the front pair.
Same blade pattern also fits the 2021 Mercedes-Benz GLC63 AMG S in checked records.
Search shortcuts only — confirm blade length, vehicle selector fitment, and adapter before ordering.
2021 Mercedes-Benz GLC300 wiper blade size chart
| Item | Size | Notes |
|---|---|---|
| Driver | 22" | Driver-side wiper blade |
| Passenger | 22" | Passenger-side wiper blade |
| Rear | Unverified | Unverified |
| Connector | TL11 TL11 Simplified sketch for identification only. Adapter shapes vary by brand. Open connector guide | Checked connector / arm type |
Checked rows for the 2021 Mercedes-Benz GLC300 share the same visible driver / passenger / rear pattern with 2021 Mercedes-Benz GLC63 AMG S. This page is still keyed to the exact GLC300 row; use that model in the seller selector before checkout.
Mercedes-Benz GLC300 wiper blade sizes by year
9 checked Mercedes-Benz GLC300 years. Same front blade sizes as the 2022, 2023, 2025 model years in checked records. Confirm the exact year before ordering.
| Year | Driver | Passenger | Rear | Connector |
|---|---|---|---|---|
| 2025 | 22" | 22" | Unverified | — |
| 2023 Size changed | 22" | 22" | Unverified | — |
| 2022 Size changed | 22" | 22" | 11 | TL11 |
| 2021 Current page | 22" | 22" | Unverified | TL11 |
| 2020 Size changed | 22" | 22" | Unverified | TL11 |
| 2019 Size changed | 22 | 22 | 11 | TL11 |
| 2018 | 22" | 22" | 12" | TL11 |
| 2017 | 22" | 22" | 12" | — |
| 2016 | 22" | 22" | 12" | — |
The 2021 row sits between 2022 and 2020 in this GLC300 year table. It is the fourth-newest listed GLC300 row in this table. For this GLC300, compare the fourth-newest row with the third-newest row above and the fifth-newest row below before checkout. The same driver / passenger / rear pattern also appears on 2025, 2023, 2020. Compare it with nearby listed years before ordering.
2021 Mercedes-Benz GLC300 fitment notes
Rear not verified. Do not add a rear blade from this page alone.
TL11 connector confirmed. Confirm the package includes that adapter.
If a retailer shows different sizes, compare source dates before ordering.
Vehicle-specific evidence notes
The 2021 Mercedes-Benz GLC300 uses matching 22" front blades on the driver and passenger sides. Order the front pair as two same-length blades, then handle the rear field separately.
Rear not verified. Use the front sizes from this page, then check the vehicle or retailer selector before adding a rear blade.
Source table: 10 checked source rows. Driver: 3 source labels; passenger: 3 source labels.
Connector type for the 2021 Mercedes-Benz GLC300 is listed as TL11 and supported by Rain-X. Confirm the selected package includes that adapter.
Before ordering for this 2021 Mercedes-Benz GLC300
- Front pair: Choose 22" driver and 22" passenger.
- Rear blade: Unverified. Do not add a rear blade from this page alone.
- Connector: TL11. Confirm the package includes this adapter.
- Source check: 2026-06-21 from Rain-X.
About this data
How we verify fitmentChecked fitment data. Last verified: 2026-06-21.
This page-specific source pack checked Rain-X. Driver: Supported by Rain-X, Bosch, WiperSizeChart; passenger: Supported by Rain-X, Bosch, WiperSizeChart; rear: Supported by Bosch, WiperSizeChart.
- Blade sizes
- Verified
- Rear status
- Unverified
- Connector
- Verified
- Sources
- Rain-X
- Cross-checked
- Bosch, TRICO, AutoZone, O'Reilly, WiperSizeChart, ANCO, Trico, Walmart, WiperSize.com
- Driver blade: Supported by Rain-X, Bosch, WiperSizeChart
- Passenger blade: Supported by Rain-X, Bosch, WiperSizeChart
- Rear blade: Supported by Bosch, WiperSizeChart
- Connector / arm: Supported by Rain-X
| Source | Role | Supports | Checked | Link |
|---|---|---|---|---|
| Rain-X | Primary fitment reference | Driver, Passenger, Connector | 2026-07-02 | Visit source |
| Bosch | Cross-check source | Driver, Passenger, Rear | 2026-07-02 | Visit source |
| TRICO | Cross-check source | Checked only | 2026-06-10 | Visit source |
| AutoZone | Retailer fitment check | Checked only | 2026-06-10 | Checked source |
| O'Reilly | Retailer fitment check | Checked only | 2026-06-10 | Checked source |
| WiperSizeChart | Cross-check source | Driver, Passenger, Rear | 2026-06-21 | Checked source |
| ANCO | Cross-check source | Checked only | 2026-06-20 | Not available |
| Trico | Cross-check source | Checked only | 2026-06-20 | Not available |
| Walmart | Retailer fitment check | Checked only | 2026-06-20 | Not available |
| WiperSize.com | Cross-check source | Checked only | 2026-06-20 | Not available |
2021 Mercedes-Benz GLC300 wiper checkout checks
- What type of wiper blade should I buy for the 2021 Mercedes-Benz GLC300?
- Conventional, beam (frameless), and hybrid blades are all available for the 2021 Mercedes-Benz GLC300 in matching 22" front blades. Treat conventional, beam, and hybrid as product styles, not fitment proof. For the 2021 Mercedes-Benz GLC300, keep the checked lengths above and confirm the TL11 adapter is included; length alone is not enough.
- Does the 2021 Mercedes-Benz GLC300 have a rear wiper blade?
- Rear wiper fitment for the 2021 Mercedes-Benz GLC300 is not yet source-confirmed. Check your owner's manual or inspect the rear window before purchasing a rear blade.
- When should I replace the wiper blades on the 2021 Mercedes-Benz GLC300?
- Replacement timing is not vehicle-specific on this page. Replace when blades streak, chatter, crack, tear, or harden; use the checked positions above and confirm the connector or adapter at checkout.
- Are Mercedes-Benz GLC300 wiper blade sizes consistent across model years?
- Same front blade sizes as the 2022, 2023, 2025 model years in checked records.
2021 Mercedes-Benz GLC300 maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter 2021 Mercedes-Benz GLC300 cabin filter part numbers
- Engine air filter 2021 Mercedes-Benz GLC300 engine filter part numbers
- Wiper blade size 22" driver · 22" passenger Checked
Search retailer listings for the 2021 Mercedes-Benz GLC300
Retailer search paths for 22" driver / 22" passenger blades. Verify final fitment at checkout.
This section may include affiliate or sponsored retailer links. They are search paths, not fitment evidence.
Walmart
Compare available wiper blade listings for the 2021 Mercedes-Benz GLC300 and confirm the selected set matches the listed sizes.
Search retailer listings →AutoZone
Use AutoZone's vehicle selector for the 2021 Mercedes-Benz GLC300 before checkout to confirm driver, passenger, and rear fitment.
Search retailer listings →Amazon
Search Amazon listings for the 2021 Mercedes-Benz GLC300 and check the listing fitment notes against the sizes above.
Search retailer listings →O'Reilly
Open O'Reilly's fitment search for the 2021 Mercedes-Benz GLC300 and verify the connector and blade lengths before ordering.
Search retailer listings →Look up another vehicle
Find checked wiper sizes by exact vehicle.