2014 Mercedes-Benz S400 (W222) — Repair Solution

3.5L M276.960 6cyl 24v DOHC VVT Direct Inj Petrol · High Voltage Warning Light · Hybrid and EV

Mercedes-Benz S400 (W222) High Voltage Warning Light Hybrid and EV Diagnostic Sequence Available

Vehicle Details

Make: Mercedes-Benz
Model: S400 (W222)
Year: 2014
Engine: 3.5L M276.960 6cyl 24v DOHC VVT Direct Inj Petrol
Kilometres: 102,159
Area: Hybrid and EV
Category: High Voltage Warning Light

Customer Complaint

Red battery malfunction warning displayed on the dashboard {{pic1}} .

Problem Summary

Confirmed the red battery malfunction warning was active{{pic2}} . During testing, the air conditioning was not operating correctly, and after approximately five minutes, the A/C compressor began to rattle loudly. The vehicle otherwise started, ran, and moved under petrol engine power without issue.

Diagnostic Sequence

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Fault Description

The detailed fault description and root cause analysis for this 2014 Mercedes-Benz S400 (W222) is available to TaT members.

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Verified Repair Solution

The confirmed repair procedure for this 2014 Mercedes-Benz S400 (W222) is available to TaT members. Includes the verified fix and technician tips.

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Quick Facts

CodeMERW214HEV1
Vehicle2014 Mercedes-Benz S400 (W222)
Engine3.5L M276.960 6cyl 24v DOHC VVT Direct Inj Petrol
ComplaintVisible
Diag. SequenceMembers Only
SolutionMembers Only

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