2011 Mercedes-Benz S400 Electrical system Problems

Complaints

2about this part

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40%of 5 total for the year

Median mileage

122,500miles

Trend

Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the electrical system of the 2011 Mercedes-Benz S400, 40% of the 5 complaints for this model year. Where a mileage was given, the median is 122,500 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Related service bulletins

• 11033185May 26, 2026Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the…
• 11015640Mar 5, 2025Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party…
• 11008091Sep 28, 2024Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party…
• 11006658Aug 10, 2024Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) C-Class, E-Class, S-Class, G-Class, CL, CLS, ML, GL, GLE…
• 11008064Aug 9, 2024In our continuing efforts to ensure the proper performance and quality of your vehicle, we are writing to inform you that on certain Model Year 2011-2018 C-Class, E-Class…
• 10248173Dec 11, 2023Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2009-2012 GL-Class, ML-Class, R-Class, and…
• 10186141Dec 10, 2020NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clock
• 10135871Jun 8, 2015Check engine light with DTC 256809: PremAir sensor has a malfunction
• 10135604Mar 31, 2015Vehicle cannot be opened via Keyless-Go and radio remote control
• 10135639Oct 17, 2014Vehicle cannot be unlocked (CL), engine does not start - 12V starter battery discharged

Electrical system: other model years

Other parts of the 2011 Mercedes-Benz S400

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