The gauntlet was laid down by staff at Maidenhead Fire Station on Saturday as they broke a county record for a charity car wash.
Firefighters were taking part in an annual event to raise money for the Fire Fighters Charity and raked in £1,750, which will be match funded by Barclays Bank to bring the total to £3,500.
It involved a team of about 30 firefighters and their families washing about 300 cars throughout the day for fees ranging between £4 and £20.
Station commander Paul Jones said he believed the fundraising figure was the biggest amount raised by a single station in Berkshire yet.
Crews from Langley and Slough will be hoping to better the figure when they hold their car washes over the next two weekends.
The event took place at the station, off Bridge Road.
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