Peugeot 508 Grille: Fitment, Sensors & Common Damage

On the 508, a dealer confirmed a faulty radar sensor was a known Peugeot issue and replaced it under warranty — plus a distinct fault worth knowing after any battery work.

Illustration for editorial purposes

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Peugeot 508 Grille: OEM Part Number

Accuracy note: genuinely worth knowing: S-Line, sport, or performance-badged 508 trims typically use a genuinely different grille design (larger air intakes, gloss black finish, different mesh pattern) from base trims — a base-trim grille won't match visually even if it physically fits.

A Genuine, Reassuring Real Case Worth Knowing About — Peugeot 508 Grille

If your adaptive cruise control or collision warning system shows a persistent fault even after cleaning the sensor thoroughly, this is genuinely worth knowing: one documented case saw a dealer investigate a persistent radar fault and confirm it was a genuinely faulty sensor behind the radar grille panel on the front bumper — described directly to the owner as a known issue to Peugeot, and covered under warranty with no charge for the replacement part. If cleaning the sensor and grille area thoroughly hasn't resolved a persistent fault, it's genuinely worth pursuing a proper dealer investigation rather than assuming you'll need to pay, particularly if the car is still within its warranty period.

A genuinely useful, distinct finding worth knowing: if a radar or ACC fault appeared specifically after the battery was disconnected (for any reason — fitting an aftermarket accessory, a jump start, or battery replacement), this can trigger a temporary fault that clears itself once the battery has had a genuine chance to recharge through normal driving — one documented case resolved entirely after roughly 20-30 minutes of driving following a battery disconnect, with no actual sensor fault present at all. If your fault appeared right after any battery work, this is worth trying before assuming a genuine hardware problem.

It's also worth understanding a genuine technical distinction: automatic emergency braking for pedestrians specifically relies on the optical camera near the rear-view mirror rather than the radar behind the grille, since pedestrians don't reflect radar signals as reliably as metal vehicles do. This means a radar fault and a camera-related fault are genuinely different problems affecting different safety functions.

Peugeot 508 Grille: Cosmetic on the Surface, Functional Underneath

There's more going on behind the Peugeot 508's front grille than its styling suggests: it channels air to the radiator, and on plenty of modern cars it also houses or surrounds sensors for adaptive cruise control and parking assistance. Getting the correct part means accounting for all of that, not just appearance.

Before you buy: grille design varies significantly by trim, and higher trims may integrate radar or camera sensors behind or within the grille itself. Always confirm against your VIN before ordering.

Peugeot 508 Grille: What It Does

Beyond styling, the grille on the 508 directs airflow to the radiator and, on trims equipped with adaptive cruise control, may house or sit directly in front of the radar sensor used for that system. A grille that looks compatible but lacks the correct sensor cutout can interfere with these systems even if it fits physically.

Peugeot 508 Grille: Generations, Derivatives & Grille Finish

Standard trims	Chrome-trimmed grille surround
GT Line/GT	Genuine assertive vertical chromed grille design with the Peugeot lion badge at its centre, part of a distinct exterior styling package confirmed across the Peugeot range — not just a colour change from standard trim

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Peugeot 508 Grille: Common Damage, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Grille Guide for common damage types, confirming trim-specific fitment, how difficult this job is to DIY, and the ADAS calibration risk with sensor-equipped grilles.

More Peugeot Grille

The same part, covered across other Peugeot models.