Mercedes-Benz C-Class Grille: Fitment, Sensors & Common Damage
Confirmed: on this model, the adaptive cruise control radar sensor is positioned behind the central star emblem in the grille — plus a technical finding that a faulty wheel speed sensor, even one that seems fine, can disable the entire system.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — radiator grille (aftermarket) Diederichs 1673038 / Prasco ME4422011
| Radiator grille (aftermarket) | Diederichs 1673038 (black, from 2015 to 2018); Diederichs 1673942 (black, glossy); Diederichs 1673441 (chrome/black); Prasco ME4422011 (black, silver) |
|---|---|
| Genuine (OE) numbers quoted | None quoted in the catalogue listings — the genuine grille varies by trim level, facelift and sensor options, so order it against your VIN |
Mercedes-Benz C-Class Grille: Cosmetic on the Surface, Functional Underneath
Beyond its obvious styling role, the Mercedes-Benz C-Class's front grille genuinely does mechanical work — directing airflow into the radiator — and on many modern cars it's also built around sensor housings for adaptive cruise control or parking assistance. Both of those functions affect which part actually fits.
Mercedes-Benz C-Class Grille: What It Does
Beyond styling, the grille on the C-Class 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.
Mercedes-Benz C-Class Grille: Watch: Fitting It
Mercedes-Benz C-Class Grille: Generations, Derivatives & Grille Finish
| Standard trims (Sport/SE etc.) | "Diamond" grille — a distinctive multi-dot pattern in chrome or gloss black, Mercedes' standard luxury-focused design |
|---|---|
| AMG Line | "Panamericana" grille — genuine vertical-slat design derived from AMG GT styling, a completely different pattern from the Diamond grille rather than just a colour change |
| Full AMG performance models (e.g. 45/63) | Panamericana grille continues, typically with additional chrome or gloss black accent detailing depending on model year |
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Confirmed: A Genuinely Specific Finding Worth Knowing — Mercedes-Benz C-Class Grille
If you're trying to locate the adaptive cruise control radar sensor, this is genuinely worth knowing specifically for this model: the sensor is positioned behind the central Mercedes star emblem in the grille itself, rather than in the lower front bumper as it is on some smaller models. If a "radar sensor dirty" message appears, it's genuinely worth cleaning this area first, as accumulated dirt, a leaf, or even a spider's web caught behind the grille but in front of the sensor can trigger this exact message.
It's also genuinely worth knowing that a small bump in a car park is often enough to bend the sensor's mounting bracket, knocking it out of alignment and causing a fault, even without any visible damage to the grille or bumper itself.
Mercedes-Benz C-Class 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 Mercedes-Benz Grille
The same part, covered across other Mercedes-Benz models.