Just bought my 1995 s420 and took in for a tune up. 1 piston is running at 160. on 1995 Mercedes-Benz S420

Is this going to be a problem?

Asked by for the 1995 Mercedes-Benz S420
min should be 145 so not to bad but low could be head or ring issues. german cars are costly after 50k miles
Thanks for the info