Mercedes-Benz E-Class Tail Lights: Specs, Fitment & Common Faults
A genuinely useful finding: some models are fitted with desiccant drying packs to combat condensation, though this is explicitly a workaround rather than a cure — plus a temporary hairdryer fix for driving out trapped damp air.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — tail light (aftermarket) Magneti Marelli 714020800757
| Tail lights (aftermarket) | Magneti Marelli 714020800757 (left, LED, with bulb holder, right-hand pair 714020800858) |
|---|---|
| Genuine (OE) numbers quoted | None quoted in the catalogue listings — the genuine light varies by trim, bulb or LED type and facelift date, so order it against your VIN |
| Fitment notes | Left and right are separate parts; check LED or bulb type, whether the bulb holder is included, body style and facelift date before ordering. |
Mercedes-Benz E-Class Tail Lights: More Wiring Behind There Than Most People Assume
The Mercedes-Benz E-Class's tail light units do a lot in a small space, typically bundling brake, indicator, reversing and rear fog light functions together — so when something goes wrong electrically, more than one function can fail at once, and "faulty tail light" is rarely a precise diagnosis on its own.
Mercedes-Benz E-Class Tail Lights: What It Does
Beyond basic rear visibility, tail light units on the E-Class typically integrate brake lights, indicators, reversing lights and rear fog lights into a single housing. Higher trims may use LED units with a distinct light signature, which are not interchangeable with standard halogen units even if the physical mounting looks similar.
Mercedes-Benz E-Class Tail Lights: Watch: Replacing It
This video is of an earlier generation of the same model; the job is similar but the light fittings and clips can differ slightly.
Fitment & Compatibility
Mercedes-Benz E-Class Tail Lights: Generations, Derivatives & Tail Light Type
| Standard trims | LED tail lights are standard on current generations, with halogen fitted to older models |
|---|---|
| AMG Line/facelift models | A revised LED light signature is often introduced at facelift, genuinely not interchangeable with the pre-facelift design despite the same model name continuing |
Tail light design changed between generations of the E-Class, and facelifted versions within the same generation often use a revised light signature that isn't interchangeable with pre-facelift units. Always confirm the exact part for your specific model year before ordering. Whether you're sourcing a replacement tail lights for your Mercedes-Benz E-Class from a dealer, specialist, or online marketplace, always check compatibility against your registration or VIN before buying, and confirm you're ordering the correct side — driver's side (RH in the UK) or passenger side (LH in the UK) — since these are not interchangeable.
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A Genuinely Useful Finding Worth Knowing — Mercedes-Benz E-Class Tail Lights
If condensation keeps returning inside a light unit despite clearing temporarily, this is genuinely worth knowing: some models are fitted with desiccant drying packs specifically to help combat this, though this is explicitly a workaround rather than an actual cure for the underlying cause, worth setting expectations accordingly if a specialist suggests this as a fix. A hairdryer blown directly into the unit with the bulb holder removed can also help drive out trapped damp air temporarily, though this too is a genuine circumvention rather than a permanent solution.
It's also genuinely worth knowing that LED lighting doesn't produce as much heat as older halogen or xenon units, meaning condensation can genuinely linger for much longer than it would have on an older car.
Mercedes-Benz E-Class Tail Lights: Common Faults, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Tail Lights Guide for diagnosing which circuit has failed, how easy this job is to DIY, and aftermarket advice.
More Mercedes-Benz Tail Lights
The same part, covered across other Mercedes-Benz models.