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Passenger car (Mercedes-Benz C180 and other models) - Repair
Official notice
10 Apr 2018
Last checked
27 Oct 2026
An official CAA Japan notice concerns Passenger car (Mercedes-Benz C180 and other models) - Repair. Control software management server defect. ■ Defective component (part name): Control software management server. ■ Details and cause of the structure, equipment or performance deemed not to comply with standards: Due to a defect in the control software management server, some control software written to control units and other components serviced on particular days contains incorrect settings. Consequently: ① The front and rear wheel circumferences may be set to different values, causing the vehicle speed to be displayed incorrectly. ② The cornering lights and headlight range adjustment may malfunction, dazzling oncoming drivers. ③ Incorrect vehicle dimension settings may prevent warnings from operating in some areas, potentially resulting in contact with unnoticed obstacles. ④ Seat belt fastening status may not be detected correctly, causing the warning sound to operate incorrectly. ⑤ Rainfall may not be detected correctly, reducing the operating speed of the automatic wipers. ⑥ Cruise control may fail to adjust speed correctly, causing the vehicle to exceed the set speed. ⑦ The rearview camera image may not be displayed correctly, potentially resulting in contact with unnoticed obstacles when reversing. ⑧ Locking, unlocking and similar operations from inside the passenger compartment may be impossible. Published 2018-04-10.
What to do now
The hazard
The hazard
Control software management server defect. ■ Defective component (part name): Control software management server. ■ Details and cause of the structure, equipment or performance deemed not to comply with standards: Due to a defect in the control software management server, some control software written to control units and other components serviced on particular days contains incorrect settings. Consequently: ① The front and rear wheel circumferences may be set to different values, causing the vehicle speed to be displayed incorrectly. ② The cornering lights and headlight range adjustment may malfunction, dazzling oncoming drivers. ③ Incorrect vehicle dimension settings may prevent warnings from operating in some areas, potentially resulting in contact with unnoticed obstacles. ④ Seat belt fastening status may not be detected correctly, causing the warning sound to operate incorrectly. ⑤ Rainfall may not be detected correctly, reducing the operating speed of the automatic wipers. ⑥ Cruise control may fail to adjust speed correctly, causing the vehicle to exceed the set speed. ⑦ The rearview camera image may not be displayed correctly, potentially resulting in contact with unnoticed obstacles when reversing. ⑧ Locking, unlocking and similar operations from inside the passenger compartment may be impossible.
How to check if you're affected
How to check if you're affected
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Affected products
Product 1
Hazard
Where it was sold
Where it was sold
Retailer information is not currently available in RecallScope. Check the official notice for distribution details.
Location 1
Affected area 1
Company & contacts
Company & contacts
Brand: Mercedes-Benz. Contact: メルセデス・ベンツ日本株式会社.
Source & status
Source & status
Recall details
Recall details
Event id
Source tier
Documents, notices & source
See the official notice and source documents for full details.
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