smart 451
Worth a lookShows a fragmented shelf (top 5 take 18% of clicks), but weak search conversion (0.5%) keeps it on the watch list.
Competition
Incredible18%top-5 click share — an open shelf
Avg price
Incredible€36.03avg listing price — sweet spot $15–$100
Brand share
Great47%top-5 brand share — no brand owns this niche
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Good560.07avg incumbent reviews — the moat a new listing must climb
Returns
Good2.5%return rate — above 5% kills the launch gate
Growth
Bad-14.2%90-day search growth — must beat 0% to launch
Price range
Bad€5.06–€545.67cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad€48K€48K/yr · 261K searches
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon Germany niche tracking, smart 451 is a €48K/yr Amazon Germany market (261K searches/yr). The top 5 brands hold 47% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 5, 2026 · scored weekly · How we score niches
smart 451 market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- €54K–€72K
- units × avg price
- Conversion rate
- 0.5%
- Avg BSR
- #504
- Page quality
- 0%
- Prime
- 72%
- Sponsored
- 57%
- Out of stock
- 11.1%
- Avg brand age
- 40 months
- Avg seller age
- 186 days
Competition & brand share
Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen.Brands
79 falling
Sellers
246
Top-5 brand share
47%
Top 20: 71%
Top-5 click share
18%
Top 20: 47%
Open market
51%
- SHIFENG20%
- DIYUCAR11%
- FIEMACH8%
- PIUGILH5%
- ATHLON TOOLS3%
- NICKAL2%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -14.2% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top smart 451 search terms
- smart 45160K/yr
- smart 451 zubehör36K/yr
- smart 45324K/yr
- smart 45021K/yr
- smart 453 zubehör17K/yr
- smart 451 tuning13K/yr
- smart fortwo10K/yr
- smart fortwo 4519K/yr
- smart 450 zubehör10K/yr
- smart auto zubehör8K/yr
Top smart 451 products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Diyucar - Aufbewahrungsbox für Autotürgriff kompatibel mit Smart 451 Fortwo 2010-2015 LHD 2 Stück Aufbewahrungsbox und Armlehnenorganizer für Fortwo 451 Zubehör
DIYUCAR€15.854.1★29 rev

FIEMACH Mittelkonsole Aufbewahrungsbox für Smart 453 Fortwo/Forfour 2015-2019 Organizer Tasche PU-Leder Konsolen-Zubehör Aufbewahrung für Handys Schlüssel Karten Münzen (schwarz)
FIEMACH€13.184.4★1,134 rev

FIEMACH Mittelkonsole Aufbewahrungsbox für Smart 453 Fortwo/Forfour 2015-2019 Aufbewahrung für Handys Schlüssel Karten Münzen (B)
FIEMACH€16.654.7★1,416 rev

SHIFENG Autotür Anti-Kollisionsschutz Aufkleber für MB Smart 450 451 453 Fortwo Forfour Außendekoration Streifen Trim 2 Stück (Schwarz)
SHIFENG€18.464.1★139 rev

ATHLON TOOLS Kofferraumtasche faltbar - Kofferraum-Organizer Auto Faltbox Autotasche - verstärkt und stabil - mit Anti-Rutsch-Klett
ATHLON TOOLS€8.784.7★8,807 rev
Newest
by launch date
Android 14 9-Zoll-Autoradio für Smart fortwo 451 2005 2006 2007 2008 2009 2010 unterstützt kabelloses Carplay/Android Auto Lenkradsteuerung WLAN/4G FM 4-Kern 2GB & 64GB
hizpo€131.143 rev

SHIFENG Autositz-Rücksitz-Hängetasche für Smart Fortwo forfour 450 451 453 Halterung mit mehreren Taschen Flaschentasche Aufbewahrungsbox Organizer universelles Zubehör
SHIFENG€12.014 rev

SHIFENG Für Smart 453 Fortwo Forfour 2015-2021 Auto-Innen-Dashboard Luftauslass Lüftungsschlitze Handyhalter Zubehör
SHIFENG€22.6259 rev

SHIFENG Für Smart 451 Fortwo Autotür-Aufbewahrungstaschen Reparatur-Stahlstangen 20092014 2 Stück
SHIFENG€11.9223 rev

Diyucar - Aufbewahrungsbox für Autotürgriff kompatibel mit Smart 451 Fortwo 2010-2015 LHD 2 Stück Aufbewahrungsbox und Armlehnenorganizer für Fortwo 451 Zubehör
DIYUCAR€15.8529 rev
Trending
90-day click momentum
Android 14 9-Zoll-Autoradio für Smart fortwo 451 2005 2006 2007 2008 2009 2010 unterstützt kabelloses Carplay/Android Auto Lenkradsteuerung WLAN/4G FM 4-Kern 2GB & 64GB
hizpo€131.145.0★

NICKAL Autositz Gap Aufbewahrungsbox für Smart Fortwo 451 450 453 EQ Forfour Forjeremy Pu-Leder Auto Seat Gap Seitentaschen Organizer Aufbewahren von Autoartikeln Zubehör Black Style
NICKAL€10.625.0★

SHIFENG Für Smart 453 Fortwo Forfour 2015-2021 Auto-Innen-Dashboard Luftauslass Lüftungsschlitze Handyhalter Zubehör
SHIFENG€22.624.1★

Car Shift Knob Automatischer Schaltknauf für Smart Fortwo 450 451 1998-2014 für Smart Roadster 452 2003-2006
ANBOO€11.463.6★

JBL Stage2 624 2-Wege Auto Lautsprecher Set von Harman Kardon - 240 Watt KFZ Autolautsprecher Boxen 16 - 17 cm
JBL€38.964.5★
What buyers say about smart 451
What buyers praise and complain about, mined from review topics.What buyers love
“Super Produkt,”
“Passt perfekt”
“Handy wird schnell geladen”
“Einfach & easy”
“Super Lampen”
“Produkt funktioniert wie beschrieben”
“preislich fair”
“Klang ist perfekt easy Installation”
“an sich recht robust.”
“Robust”
What buyers complain about
“Passt nicht”
“Müll”
“Nach 3 Monaten defekt”
“- aber Abogebühren”
“Nach längerer Nutzung begann damals das USB-C-Ladekabel Probleme zu machen”
“Passt nicht in Mercedes R- Klasse”
“Funktioniert nicht”
“Montage unnötig nervig”
“sehr schade, das diese Info fehlt”
“Könnte besser sein nicht so stabil”
Top return reasons
Common questions
- Is smart 451 profitable to sell on Amazon Germany?
- The niche generates €48K/yr across 109 tracked products. 1 of 13 products launched in the last 360 days are still selling. 90-day search growth is -14.2%. Flapen's verdict: Worth a look (52/100).
- How competitive is the smart 451 niche?
- 79 brands and 246 sellers compete. The top 5 products take 18% of clicks and top 5 brands hold 47% of demand.
- What do buyers complain about in smart 451?
- Top complaints mined from reviews: Gesamtgröße, Qualität insgesamt, Haltbarkeit. The return rate is 2.5%.
- When does demand for smart 451 peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the smart 451 niche?
- Listings span €5.06–€545.67; the average listing price is €36.03 (sweet spot $15–$100). The average incumbent carries 560 reviews — the moat a new listing must climb.