MERCEDES-BENZ, MERCEDES-MAYBACH

LI20.10-P-075374

2026-09-17 · NHTSA 11038176

목록의 차량은 조사 단서입니다. 제조사 자료에서 엔진, 생산 기간, 소프트웨어 조건을 확인하세요.

제조사 요약

영어 원문

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.

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