# Mercedes-Benz SEC Series UK sold prices and market trends

Updated 19 Oct 2026. Source: Autotrender, https://autotrender.co.uk/make/mercedes-benz/model/sec-series

## Summary

As of 19 Oct 2026, there is 1 used Mercedes-Benz SEC Series car for sale on Autotrader UK, with a median asking price of £35,990. In the last 30 days, 4 Mercedes-Benz SEC Series cars have sold. 2 new Mercedes-Benz SEC Series listings appeared over the same period, so supply is tightening.

There have not yet been enough Mercedes-Benz SEC Series sales in a single month to read a month-on-month price trend; 5 sales have been recorded so far.

Autotrender has recorded 5 Mercedes-Benz SEC Series sales on Autotrader since 27 May 2026, with final asking prices from £13,460 to £45,000 and a median of £33,000. The typical Mercedes-Benz SEC Series took 71 days to sell.

## Monthly statistics

Prices are GBP medians. "Sold" is the number of Mercedes-Benz SEC Series adverts removed from Autotrader that month.

| Month | Median asking price | Median sold price | Sold | Median days to sell | New listings | For sale at month end |
| --- | ---: | ---: | ---: | ---: | ---: | ---: |
| July 2026 | £33,000 | — | 1 | — | 2 | 2 |
| September 2026 | £42,250 | — | 2 | — | 2 | 2 |
| October 2026 (so far) | £35,990 | — | 2 | — | 1 | 1 |

## Questions and answers

### What is the average used Mercedes-Benz SEC Series price in the UK?

The median asking price for a used Mercedes-Benz SEC Series on Autotrader UK is £35,990, across 1 car for sale as of 19 Oct 2026. Across all 5 recorded sales the median sold price is £33,000.

### Are used Mercedes-Benz SEC Series prices going up or down?

There have not yet been enough Mercedes-Benz SEC Series sales in consecutive months to call a direction; Autotrender has recorded 5 sales so far and the trend will appear here as more come through.

### How long does a used Mercedes-Benz SEC Series take to sell?

The median used Mercedes-Benz SEC Series sells within 71 days of being listed on Autotrader, based on 5 recorded sales.

### How many used Mercedes-Benz SEC Series cars are for sale in the UK?

There is 1 used Mercedes-Benz SEC Series car for sale on Autotrader UK as of 19 Oct 2026. In the last 30 days 2 were newly listed and 4 sold.

### How does Autotrender work out Mercedes-Benz SEC Series sold prices?

Autotrender records every Mercedes-Benz listing on Autotrader UK twice a day (since 27 May 2026). A car counts as sold when its advert is removed, and its sold price is the final asking price before it came off; days to sell run from the advert's listing date to its removal. Medians are used throughout, and months with fewer than 5 sales are not used to call a trend.

## About this data

Autotrender (https://autotrender.co.uk) tracks used car listings on Autotrader UK and publishes sold prices, price history and supply trends by make and model. Figures on this page are recomputed after every scan. Licence: CC BY-NC 4.0; please cite Autotrender and link to https://autotrender.co.uk/make/mercedes-benz/model/sec-series.