2015 Mercedes-Benz CLS400 Electrical system Problems
- Complaints
- 3about this part
- Share
- 38%of 8 total for the year
- Median mileage
- 9,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the electrical system of the 2015 Mercedes-Benz CLS400, 38% of the 8 complaints for this model year. Where a mileage was given, the median is 9,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Despite NHTSA recall # 15v137 was issued on march 12th,2015 I was sold a CLS400 on march 14th. Neither at time of sale nor thereafter I was notified about this recall. It seems that dealership was in violation of mercedes benz USA's stop-sale order issued to dealers on march 13th.”
NHTSA complaint #10721652, filed 2015-05, 30 miles“This is the 2nd time my 2015 CLS400 mercedes has been returned to the dealership for this reoccurring problem of the electronic command system totally shutting down while the vehicle is being driven on the street and frwy.navigation blinks on & off,side view mirrors fold in & out while vehicle is being driven,radio turns on & off,electronic braking system activated itself while I was driving on the frwy & around town,keyless entry would not work so I had to use the manual key to get into vehicle & remove push start button to insert the key to start vehicle,windows would not work nor air…”
NHTSA complaint #10778277, filed 2015-09, 9,000 milesRelated 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…
- 11033016May 26, 2026Complaint The customer requests deactivation of the N112/9 HERMES communication module Note: Deactivation of the HERMES control unit (N112/9) is not supported for gray-market…
- 11028834Feb 13, 2026Complaint Check engine light on with the following fault is current in the VGS Control Unit: P084300 Oil pressure sensor 'A' has a short circuit to positive stored in VGS control…
- 11026835Dec 18, 2025Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The…
- 11020872Jul 16, 2025Complaint Commissioning not possible after replacement of TRANSMISSION 722.9 or of electrohydraulic controller unit (EHS) or of repair kit controller unit (VGS). Cause The wrong…
- 11018626May 22, 2025Complaint After a software update of HERMES communication module N112/9 has been performed on a gray import vehicle, the message "SOS - Service not activated" is displayed in 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…
- 11014608Feb 24, 2025Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The…
- 11014576Feb 24, 2025Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The…
- 11013086Jan 15, 2025Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2015 | 3 | 38% |
Other parts of the 2015 Mercedes-Benz CLS400
2 complaintsBrakes
1 complaintsEngine
1 complaintsExterior lighting
1 complaintsSeats
1 complaintsSteering
1 complaintsTransmission and drivetrain
1 complaintsWheels
1 complaints
← All problems reported for the 2015 Mercedes-Benz CLS400
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology