Appreciating the specific request from the OP (this is more for the benefit of others in the future), having recently upgraded to a new A class, I wanted a Sat Nav that I could input vehicle dimensions in so that it could route me accordingly. I didn't really want another piece of tech so started researching Apps. However, I then came across this which had a number of favourable reviews on Youtube
https://www.amazon.co.uk/dp/B07QV77MMH?psc=1&ref_=cm_sw_r_cp_ud_ct_E0VZ9WKQ4HD800FY23H6
Using the Amazon link in this link
https://www.ohrex.com/gb/7-inch-sat-navs/13-169-sat-nav-n76.html
and using the promo code MIKE10 (from one of the Youtuber reviews), I got 10% off. May or may not still work.
I've been very impressed