l recently inquired about upgrading my current speedo in my 99 ML 430, to a ML 55 speedo,the white-faced one...lokks great. My dealer is trying to tell me it costs $500.00 bucks(canadian), about $375.00(american)...is this right...or is this guy taking me to the cleaners.... l've seen other white-faced speedo's for $179.00(american), specifically designed for ML's....is the dealer trying to fleece me or what...any help would be appreciated...he also said something about , it needs to be coded...can someone out there enlighten me....thanks...