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CrashStats

A4140 crash in Harrow on 8 November 2025 at 18:35 involving a Mercedes S Class

A Mercedes S Class and an Audi A3 were involved in a crash on the A4140 in Harrow at 18:35 on Saturday 8 November 2025. A 7-year-old female passenger in the Audi A3 was slightly injured.

It happened in daylight in fine weather on a dry roundabout with a 30 mph limit.

Severity
Slight
Date
8 Nov 2025
Saturday, 18:35
Vehicles
2
Mercedes S Class and Audi A3
Casualties
1
1 slightly injured

Location of the crash

Police recorded the crash at latitude 51.59563, longitude -0.2945, in the HA7 postcode district and within the built-up area of Harrow. It is one of the crashes that make up the Kenton East, Harrow, HA3 9JH area accident hotspot.

Map of where the crash happened in Harrow

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  • 1 crash
  • Slight

Collision details

Basic information

Reference
2025010608253
Council area
Harrow
Police force
Metropolitan Police
Police attended the scene
Yes

Road and location details

First road class
A
First road number
4140
Road type
Roundabout
Speed limit
30 mph
Urban or rural
Urban
Trunk road
Non-trunk road

Junction information

Junction control
Give way or uncontrolled
Second road class
A
Second road number
4140

Pedestrian crossing information

Crossing facilities
Pedestrian light crossing (pelican or puffin or toucan or similar)

Environmental conditions

Light conditions
Daylight
Weather
Fine, no high winds
Road surface
Dry

Enhanced collision data

How severity was recorded
From injuries recorded by police (CRASH system)
Estimated chance it was serious
0%
Estimated chance it was slight
100%

The 6 nearest recorded crashes

The nearest, 2 metres away, was a slight injury crash on 8 November 1991.

Vehicles involved (2)

  • Vehicle 1: Mercedes S Class

    Car

    Manoeuvre
    Moving off
    Travelling from
    West
    Travelling to
    East
    Position at junction
    Entering roundabout
    First point of impact
    Front
    Left-hand drive
    No
    Journey purpose
    Personal business or leisure
    Driver sex
    Female
    Driver age
    60 years
    Engine capacity
    2,987 cc
    Fuel or propulsion
    Diesel
    Driver home area deprivation
    30 to 40% least deprived
    Distance from driver's home
    Within 5 km

  • Vehicle 2: Audi A3

    Car

    Manoeuvre
    Going ahead
    Travelling from
    South
    Travelling to
    North
    Position at junction
    Mid-junction, on roundabout or on main road
    First point of impact
    Back
    Left-hand drive
    No
    Journey purpose
    Personal business or leisure
    Driver sex
    Female
    Driver age
    38 years
    Engine capacity
    1,598 cc
    Fuel or propulsion
    Diesel

Casualties (1)

  • Casualty 1: Passenger

    Slight

    Female, aged 7, car occupant, in vehicle 2 (Audi A3)

    Car passenger
    Rear seat passenger
    Home area deprivation
    40 to 50% least deprived
    Distance from home
    Within 5 km

Data source

This record comes from the Department for Transport’s road safety data (STATS19), in which police forces in Great Britain record every road crash reported to them where someone was injured. It is reference 2025010608253 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Harrow road accident statistics for 2025.