Ford Mondeo Headlights: Specs, Fitment & Common Faults

Bulb type, unit part numbers, and the faults that actually cause that flickering or dim light you've noticed.

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OEM Part Number: confirm via VIN — aftermarket LH Valeo 046614 / RH Valeo 046615

Accuracy note: Covers the Ford Mondeo (Mk5 2014-2022) as listed in the UK aftermarket catalogues. Headlights are sold by side (passenger / nearside = LH, driver's / offside = RH on a UK car) and by lamp type — halogen, xenon (D1S / D3S) and LED or full-LED units are not interchangeable, and DRL, cornering and levelling options change the part number again. The references below are UK aftermarket catalogue listings for this generation, labelled by brand; genuine numbers are shown only where a listing quotes one. Check the lamp type and traffic side (UK right-hand-traffic units, not LHD) against your VIN, and expect xenon / LED and adaptive units to need levelling adjustment or coding after fitting.

Passenger side (LH / nearside) headlight — aftermarket	Valeo 046614 (original part, halogen H7/H15, DRL); Valeo 046792 (original part, halogen H7/H15, DRL, electric levelling); Van Wezel 1883961V (OES, halogen H15/H7, DRL, pre-facelift); Van Wezel 1883965V (OES, LED, DRL, dynamic bending light, pre-facelift); Valeo 046618 (original part, DRL, dynamic bending light); Diederichs 1429981 (halogen H7/H15, DRL, electric levelling)
Driver's side (RH / offside) headlight — aftermarket	Valeo 046615 (original part, halogen H7/H15, DRL); Valeo 046793 (original part, halogen H7/H15, DRL, electric levelling); Van Wezel 1883962V (OES, halogen H15/H7, DRL, pre-facelift); Van Wezel 1883966V (OES, LED, DRL, dynamic bending light, pre-facelift); Valeo 046619 (original part, DRL, dynamic bending light); Diederichs 1429980 (halogen H7/H15, DRL, electric levelling)
Bulb types	dipped H7, DRL H15, indicator PSY19W or PWY19W, sidelight W5W; LED units are sealed
Genuine (OE) numbers quoted	None quoted in catalogue listings — order genuine units against your VIN
Fitment notes	Halogen H7 with H15 DRL on most cars; LED units with dynamic bending light for higher trims; some units are listed as not for the facelift, so match the car's year.

A Genuinely Important UK Rule Worth Knowing Before You Buy — Ford Mondeo Headlights

If your Mondeo has factory-fitted halogen headlamp housings, converting them to fit LED bulbs is treated as a definite MOT failure under the current inspection manual — this isn't a grey area or a minor advisory, since a housing designed for halogen doesn't distribute an LED bulb's light output correctly, which can genuinely dazzle oncoming drivers. If you want a genuine LED upgrade, the correct route is a complete headlight unit designed for LED from the factory, not a bulb swap into an existing halogen housing.

Before you buy: matrix LED, adaptive, and cornering headlight systems often require electronic coding to the car after a unit swap, even for a genuine like-for-like replacement — a headlight that isn't recognised by the car's electronics can trigger warning lights or fail to auto-level correctly. Check whether your specific trim has one of these systems before assuming a straightforward bulb-in, bulb-out job.

Ford Mondeo Headlights: What It Does

The Ford Mondeo's headlight unit houses the main and dipped beam bulbs (or LED/matrix modules on higher trims), positioned and angled to illuminate the road ahead without excessively dazzling oncoming traffic. Many modern units also integrate the daytime running light and front indicator into the same housing, which affects both the part number and the complexity of any repair.

Ford Mondeo Headlights: Watch: Replacing It

🎬 Watch: Front Fog Lamp Bulb Replacement & Headlamp Bulb...Ford Mondeo Mk5 2018

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Mk5 headlamp bulb plus fog bulb.

Ford Mondeo Headlights: Generations, Derivatives & Headlight Type

Mk4, standard trims	Halogen (H7/H1) as standard
Mk4, Titanium X Sport and higher	Genuine factory Bi-Xenon (D1S/H1) option — a completely different projector design from halogen, not just a brighter bulb
Mk5, Titanium	Halogen remains the standard fitment even on this well-equipped trim — buyers wanting Xenon typically need to specify it or look at higher trims/packs

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Ford Mondeo Headlights: Common Faults, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Headlights Guide for the four bulb technologies and how they differ, UK law on aim and modifications, common faults to check for, how difficult this job is to DIY, and confirming fitment against your VIN.

More Ford Headlights

The same part, covered across other Ford models.