| Product | Best For | Price | Our Rating |
|---|---|---|---|
| WeatherTech FloorLiner | Best Overall | $179–$219 | ★★★★★ |
| 3D MAXpider Kagu | Best Value Mats | $129–$189 | ★★★★☆ |
| Vantrue E1 Lite | Best Dash Cam | $99–$149 | ★★★★★ |
| Garmin Dash Cam 57 | Best Premium Cam | $149–$199 | ★★★★★ |
| Coverking Velour Seat Covers | Best Seat Covers | $199–$299 | ★★★★☆ |
| iOttie Easy One Touch 5 | Best Phone Mount | $29–$49 | ★★★★★ |
| 3D MAXpider Cargo Liner | Best Cargo Liner | $69–$99 | ★★★★★ |
| Chemical Guys Complete Kit | Best Interior Care | $59–$89 | ★★★★★ |
We've spent the last year testing accessories across a 2021 C300, a 2019 E450, and a 2023 GLC 300. Our goal: find the accessories that actually improve ownership without damaging the interior or voiding the warranty. Here's what made the cut.
The stock carpet mats that come with a Mercedes are fine for dry climates, but they soak up water, mud, and salt fast. After testing six sets across three models, WeatherTech FloorLiner is the clear winner. Laser-measured to your exact vehicle, TPE rubber, 1.25" raised edges. Made in the USA.
If you want to save $40–$60, 3D MAXpider Kagu is nearly as good — same vehicle-specific fit, honeycomb texture that traps debris, and a lower price. We've had them in a GLC 300 for 18 months with zero issues.
Mercedes owners specifically need a compact, discreet camera — the panoramic glass roofs and minimalist interiors make a bulky cam look terrible. The Vantrue E1 Lite is 2 inches wide, hides behind the rearview mirror, records 1080p front + rear simultaneously, and has parking mode. It's what we've been running in a C300 for 14 months.
If you want 4K and don't mind spending more, the Garmin Dash Cam 57 is the premium pick — voice control, automatic incident detection, and the smallest form factor of any 1440p camera we tested.
Seat covers for a Mercedes are tricky — most generic covers don't account for side airbags, seat heating elements, or the bolster shape of sport seats. Coverking Neosupreme are vehicle-specific, airbag-compatible, and water-resistant. They fit like the factory covers and cost a fraction of reupholstering.
Important: always verify airbag compatibility before installing any seat cover on a Mercedes. All Coverking vehicle-specific fitments are airbag-safe by design.
Mercedes dashboards are expensive to repair — a suction mount that falls and scratches the piano-black trim will ruin your day. The iOttie Easy One Touch 5 clips to the vent fins with no adhesive, holds phones up to 3.5 inches wide, and releases with one hand. It's been in our E450 for two years without a single scratch.
If you have a newer 2022+ model with the MBUX landscape display, a CD-slot mount is the better option to keep the phone in your sightline without blocking the vent.
The trunk carpet in a Mercedes SUV is light-colored and marks easily. A custom cargo liner is one of the highest-ROI accessories you can buy — $70–$99 protects a carpet that costs $400+ to replace. 3D MAXpider makes vehicle-specific liners with raised edges that contain spills. They're in our GLC 300 and have survived two years of groceries, wet dogs, and ski gear.
The single best thing you can do for a Mercedes interior doesn't cost much: a proper cleaning and conditioning routine. Chemical Guys makes leather conditioner, interior cleaner, and microfiber towels that work on Mercedes materials without leaving residue or damaging the soft-touch panels. Their Complete Interior Kit covers everything in one box.
For ambient lighting upgrades, the LEDSON LED Interior Kit is a direct plug-in for 2016+ models — no wiring, pairs to the factory color selector.
We own and daily-drive three Mercedes vehicles: a 2021 C300, a 2019 E450 Wagon, and a 2023 GLC 300. Every accessory on this list has been physically installed and tested for a minimum of three months before we recommend it.
Our criteria:
The highest-ROI accessories are custom floor mats (protect the carpet), a dash cam (insurance documentation), and a vent phone mount (no permanent modifications). Together they cost under $300 and protect a vehicle worth 50x that.
Amazon has the best selection and pricing for third-party accessories like floor mats and dash cams. Chemical Guys is best purchased direct (better pricing, frequent sales). OEM accessories are best through a dealer or authorized retailer — but check prices, because OEM floor mats at $300 are hard to justify over WeatherTech at $199.
In the US, the Magnuson-Moss Warranty Act prevents dealers from voiding your warranty simply for using aftermarket accessories. They'd need to prove the specific accessory caused the specific failure. Floor mats, dash cams, and phone mounts carry essentially zero warranty risk.