What type of wiper blade should I buy for the 2018 Mercedes-Benz GLC300?

Conventional, beam (frameless), and hybrid blades are all available for the 2018 Mercedes-Benz GLC300 in matching 22" front blades. Treat conventional, beam, and hybrid as product styles, not fitment proof. For the 2018 Mercedes-Benz GLC300, keep the checked lengths above and confirm the TL11 adapter is included; length alone is not enough.

Does the 2018 Mercedes-Benz GLC300 have a rear wiper blade?

Yes. The 2018 Mercedes-Benz GLC300 uses a 12" rear wiper blade. Confirm the size in the retailer's selector before ordering.

When should I replace the wiper blades on the 2018 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.

2018 Mercedes-Benz GLC300 wiper blade size

Both front wiper blades on the 2018 Mercedes-Benz GLC300 are 22". The rear wiper blade is 12" with TL11 connectors. Supported by 11 checked sources.

Driver 22"

Passenger 22"

Rear 12"

Connector TL11

Blade sizes: Verified Connector: Verified Last verified: 2026-06-21 Primary source: Rain-X

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.

Check retailer search paths View sources

Conventional, beam, or hybrid — which type should I buy? →

Bosch ICON Beam

Driver 22" → Passenger 22" →

Rain-X Latitude Water Repellency

Driver 22" → Passenger 22" →

Trico Tech Beam

Driver 22" → Passenger 22" →

Search shortcuts only — confirm blade length, vehicle selector fitment, and adapter before ordering.

2018 Mercedes-Benz GLC300 wiper blade size chart

Item	Size	Notes
Driver	22"	Driver-side wiper blade
Passenger	22"	Passenger-side wiper blade
Rear	12"	Rear wiper blade
Connector	TL11	Checked connector / arm type

Retailer searches:

Walmart → AutoZone → Amazon → O'Reilly →

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	22"	22"	Unverified	TL11
2020 Size changed	22"	22"	Unverified	TL11
2019 Size changed	22	22	11	TL11
2018 Current page	22"	22"	12"	TL11
2017	22"	22"	12"	—
2016	22"	22"	12"	—

Year-specific context

The 2018 row sits between 2019 and 2017 in this GLC300 year table. It is the seventh-newest listed GLC300 row in this table. For this GLC300, compare the seventh-newest row with the sixth-newest row above and the eighth-newest row below before checkout. The same driver / passenger / rear pattern also appears on 2017, 2016. Compare it with nearby listed years before ordering.

2018 Mercedes-Benz GLC300 fitment notes

Connector type: TL11

TL11 connector confirmed. Confirm the package includes that adapter.

Verify before checkout

If a retailer shows different sizes, compare source dates before ordering.

Vehicle-specific evidence notes

Front pair

The 2018 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 position

The rear field for the 2018 Mercedes-Benz GLC300 is 12". Rear size is supported by Rain-X and WiperSizeChart.

Source coverage

Source table: 11 checked source rows. Driver: 4 source labels; passenger: 4 source labels.

Connector evidence

Connector type for the 2018 Mercedes-Benz GLC300 is listed as TL11 and supported by Rain-X. Confirm the selected package includes that adapter.

Before ordering for this 2018 Mercedes-Benz GLC300

Checkout verification checklist

Front pair: Choose 22" driver and 22" passenger.
Rear blade: Select a 12" rear blade.
Connector: TL11. Confirm the package includes this adapter.
Source check: 2026-06-21 from Rain-X.

About this data

How we verify fitment

Checked fitment data. Last verified: 2026-06-21.

This page-specific source pack checked Rain-X. Driver: Supported by Rain-X, Bosch, WiperSizeChart, PIAA; passenger: Supported by Rain-X, Bosch, WiperSizeChart, PIAA; rear: Supported by Rain-X, WiperSizeChart.

Blade sizes: Verified
Rear status: 12" verified
Connector: Verified
Sources: Rain-X
Cross-checked: Bosch, TRICO, AutoZone, O'Reilly, WiperSizeChart, ANCO, Trico, Walmart, WiperSize.com, PIAA

Field-level source support

Driver blade: Supported by Rain-X, Bosch, WiperSizeChart, PIAA
Passenger blade: Supported by Rain-X, Bosch, WiperSizeChart, PIAA
Rear blade: Supported by Rain-X, WiperSizeChart
Connector / arm: Supported by Rain-X

Source	Role	Supports	Checked	Link
Rain-X	Primary fitment reference	Driver, Passenger, Rear, Connector	2026-07-02	Visit source
Bosch	Cross-check source	Driver, Passenger	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
PIAA	Cross-check source	Driver, Passenger	2026-07-03	Visit source

2018 Mercedes-Benz GLC300 wiper checkout checks

What type of wiper blade should I buy for the 2018 Mercedes-Benz GLC300?: Conventional, beam (frameless), and hybrid blades are all available for the 2018 Mercedes-Benz GLC300 in matching 22" front blades. Treat conventional, beam, and hybrid as product styles, not fitment proof. For the 2018 Mercedes-Benz GLC300, keep the checked lengths above and confirm the TL11 adapter is included; length alone is not enough.
Does the 2018 Mercedes-Benz GLC300 have a rear wiper blade?: Yes. The 2018 Mercedes-Benz GLC300 uses a 12" rear wiper blade. Confirm the size in the retailer's selector before ordering.
When should I replace the wiper blades on the 2018 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.

2018 Mercedes-Benz GLC300 maintenance checklist

One part checked. Look up the rest while you're here.

Cabin air filter 2018 Mercedes-Benz GLC300 cabin filter part numbers
Engine air filter 2018 Mercedes-Benz GLC300 engine filter part numbers
Wiper blade size 22" driver · 22" passenger Checked

Search retailer listings for the 2018 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 2018 Mercedes-Benz GLC300 and confirm the selected set matches the listed sizes.

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AutoZone

Use AutoZone's vehicle selector for the 2018 Mercedes-Benz GLC300 before checkout to confirm driver, passenger, and rear fitment.

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Amazon

Search Amazon listings for the 2018 Mercedes-Benz GLC300 and check the listing fitment notes against the sizes above.

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O'Reilly

Open O'Reilly's fitment search for the 2018 Mercedes-Benz GLC300 and verify the connector and blade lengths before ordering.

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Look up another vehicle

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