WiperFinder

1986–1991 Mercedes-Benz 420SEL Wiper Blade Sizes

Model years 1986 to 1991 Sizes from one source so far

Your wiper sizes

Driver 21in 530 mm
Passenger 21in 530 mm

Every Mercedes-Benz 420SEL from 1986 to 1991 takes these sizes. Any year in this range uses the same wiper blades.

Blades for your Mercedes-Benz 420SEL

Shop the 21" + 21" pair on Amazon
Driver 21" only Passenger 21" only

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Best wiper blades for the 1986–1991 Mercedes-Benz 420SEL

Three blade types, each in your sizes.

Budget

Conventional blades

  • Metal frame, the classic design
  • Lowest cost, fine on flatter glass

In your sizes: 21" + 21"

Check price on Amazon
Our pick

Beam blades

  • One piece with no frame to ice up
  • Hugs curved modern windshields

In your sizes: 21" + 21"

Check price on Amazon
Aero

Hybrid blades

  • A frame under an aero shell
  • Even pressure with a sleek profile

In your sizes: 21" + 21"

Check price on Amazon

Blades in your sizes

Each button opens that blade in your length.

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Compare these blades

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Model years covered

YearDriverPassengerArm
1991 21" 21" — This page
1990 21" 21" — This page
1989 21" 21" — This page
1988 21" 21" — This page
1987 21" 21" — This page
1986 21" 21" — This page

Good to know

Check against your old blades

Measure the rubber strip from end to end. It should match 21".

About this data

Fit data comes from one source so far; we're cross-checking every size against more sources. Consecutive model years with identical blades share one page.

How to fit your new blades

Step-by-step fitting for this arm type is on its way. The adapter chart inside the blade's box shows which adapter to use.

1986–1991 Mercedes-Benz 420SEL wiper FAQ

Quick answers about this car.

What size wipers fit a 1986–1991 Mercedes-Benz 420SEL?

The 1986–1991 Mercedes-Benz 420SEL takes 21" driver-side and 21" passenger-side wiper blades.

Do all 1986–1991 Mercedes-Benz 420SEL model years use the same wipers?

Yes. Every Mercedes-Benz 420SEL from 1986 to 1991 shares the same blade lengths. If a blade fits one of these years, it fits them all.

What connector does the Mercedes-Benz 420SEL wiper arm use?

We haven't confirmed the arm type for this car yet. The adapter chart in the blade's box shows which adapter to use.

Can I use a wiper blade one size longer or shorter?

Stick with the listed sizes. A longer blade can hit the windshield frame or the other blade, while a shorter one leaves an unwiped gap. If your old blades don’t match our sizes, measure them end to end.

How often should I replace my wiper blades?

Most drivers change them every 6 to 12 months. Swap them sooner if they start to streak, chatter, or miss spots.

Different car?

Look up the wiper sizes for any car in our data.

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