- Road tested & verified complaint, verified fuses under hood & behind instrument cluster operational & connected vehicle to Mercedes-Benz Digital Assistant to perform diagnostic. Found no fault codes related to vehicle driveability. Checked wiring behind instrument cluster, verified 12 volts & signal present, along with ground present but no cluster activation. Installed testing instrument cluster & found testing cluster powered up. Called, advised customer & authorized repair. Sent instrument cluster out for repair. Installed cluster & reassembled. Retested, vehicle now working as designed.
- Sent cluster to D&A Speedometers, Inc. (3910 W. Alva Street, Tampa FL 33614 (813) 875-8226 for repair.
Manny W. gave our service a 5 star review on 1/11/2023