ADAC Warns: Replace Tires After Six Years, Even If They Look Fine
ADAC advises replacing tires after a certain period, even if they appear in good condition. A recent study by DEKRA highlights the risks of older tires, with a significant increase in failure rates from the age of six years. A DOT number on a tire, like '3122', indicates its production week and year, but not the manufacturer or production facility. Tires with this number are available in Germany for models like Mercedes and Renault Kangoo.
ADAC suggests replacing winter tires after eight years and summer tires after ten. Most drivers check tread depth and pressure during seasonal changes. Experts recommend a minimum tread depth of 3 mm for summer tires and 4 mm for winter tires. However, tires age continuously, even in optimal storage, developing tiny cracks and losing elasticity over time. Winter tires, with their softer rubber, are particularly affected by aging.
The DOT number '3122' indicates the tire was made in the 31st week of 2022. While it doesn't specify the manufacturer or production facility, tires with this number are sold in Germany for various models. There's no legal age limit for passenger car tires in Germany, but trailers and caravans must be replaced after six years if approved up to 100 km/h.
Regular checks and timely replacements are crucial for tire safety. ADAC's and DEKRA's guidelines provide a good basis for this. Even with proper storage, tires age and can develop cracks, making regular checks essential. The DOT number is a useful tool for determining a tire's age, helping drivers make informed decisions about replacement.
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