Same key? We saw a lot of AAM problems with the 99 163 and I replaced a bunvch of keys and transponder rings.
Quick thest for the key, carry 2 and if it fails to start, switch keys.
btw, tell that service manager to look for AAM transponder fault codes and DAS "start authorization" codes in ME.
Project Smoker, '87 603 powered wagon
Hauler, 96 CTD can you say torque?
Toy 73 Cougar xr7 convertible
Acme Automotive Inc.