MERCEDES-BENZ, MERCEDES-MAYBACH

LI20.10-P-075374

2026-09-17 · NHTSA 11038176

车型关联可作为查阅线索；具体发动机、生产范围和软件条件请核对厂商资料。

厂商摘要

以下为英文原文

Complaint Red coolant warning in instrument cluster. Fault codes U019F00 or U019F87 current/stored in MRG1 control unit. Cause Various causes Remedy Perform guided test for fault code U019F with XENTRY diagnosis. Verify the following connections are clean and tight. Correct any problems and retest pump actuation: ‐12V plug at M75/11 ‐48V plug at M75/11 ‐48V connector X192/4 ‐Connections at 48V fuse box F153/2 ‐Sockets 1,2, and 5 at connector 2 of MRG1 control unit ‐M75/11 circuit 41 ground If actuation and above connections are OK, but resistance between M75/11 and engine block is less than 2 ohms or heat shield touching coolant pump, proceed with below steps. 1‐Modify engine insulation per attached instructions. 2‐Remove engine control module and measure continuity within control unit between connector 2 pin 1 and connector 6 pin 2. 2a‐If open circuit is found, replace engine control unit (MRG1) and perform initial startup. Refer to XENTRY parts information group 54/054 item 300. 3‐Clear faults and verify M75/11 operating normally.

仅当厂商、通报编号、发布日期和完整摘要一致时，重复登记才会合并展示，原始编号仍予保留。旧资料继续供查阅；确认明确替代关系后才标示后续版本。1994 年以前的车辆关联与默认结果分开显示；未注明年款不等于适用于所有年款。