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  1. CarParc
  2. Makes
  3. Mercedes
  4. 420
Mercedes logo

Mercedes 420

441 on UK roads as of June 2026+2 vs June 2025

On the road

441

as of June 2026

Change vs June 2025

+0.5%

+2 cars

New in 2025

0

first-time registrations

Electrified

0%

hybrid, plug-in & battery

The Mercedes 420 is a rare sight on UK roads, with 441 on the road as of June 2026 - up 0.5% on June 2025. None were registered new in 2025, so the fleet can only shrink as cars are retired. The fleet is overwhelmingly petrol (99%).

How many are left?

Licensed Mercedes 420 cars on the road over time

Latest point is June 2026 — a part-year snapshot, not a full year.

New registrations

First-time registrations per year

What the typical Mercedes 420 looks like

Fuel, engine size and age across every Mercedes 420 on the road today.

Fuel mix

Current split

380total
  • Petrol99.2%
  • Diesel0.5%
  • Other0.3%

Mercedes 420 - frequently asked

How many Mercedes 420 are left in the UK?
There are 441 Mercedes 420 cars still licensed on UK roads as of June 2026, up 0.5% on June 2025.
How many new Mercedes 420 were registered in 2025?
None were registered new in 2025, so the number on the road can only shrink as older cars are retired.
What fuel does the typical Mercedes 420 use?
Most are petrol - about 99% of all Mercedes 420 on the road. In total, 0% are electrified (hybrid, plug-in or battery).

Buying a Mercedes 420?

Before you buy a specific Mercedes 420, run its registration through AnalyzeMyCar for MOT history, mileage checks, service history and valuation.

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