Does the 2014 Mercedes-Benz E350 have electrical problems?

NHTSA lists 38 Electrical System complaints for the 2014 E350, 14% of the 278 total complaints filed for that year, with 9 fire reports among them.

Is there a recall for the 2014 E350 electrical system?

Recall 17V177000 covers a software update for control units on related Mercedes-Benz vehicles, including some E350 BlueTec models, but the 2014 E350 gas model is not explicitly named in the summary provided.

At what mileage do E350 electrical issues typically show up?

NHTSA data shows a median mileage of 49,584 at the time owners reported the failure.

What is the most common electrical complaint on the 2014 E350?

The most frequently described pattern is speakers making crackling or popping noises followed by smoke, reported in multiple sample complaints, sometimes traced to the audio amplifier.

2014 Mercedes-Benz E350 Electrical System Problems

Owners filed 38 Electrical System complaints on the 2014 Mercedes-Benz E350, 14% of all 278 complaints for the year, with 9 fire reports and median failure mileage of 49,584. A related recall (17V177000) covers software updates on related Mercedes-Benz models, though it does not directly list the 2014 E350 gas model.

Electrical System complaints: 38; 14% of 278
Crashes reported: 1
Fires reported: 9
Injuries reported: 0
Median mileage: 49,584 mi
Related recalls: 1

Typical electrical symptoms owners report

Rear or door speakers begin crackling, popping, or squealing while driving, then start smoking with an acrid burning smell.
Some owners disconnect the audio amplifier in the trunk to stop the smoke and popping noises from recurring.
The cabin fills with smoke severe enough that drivers pull over and exit the vehicle.
Blind spot assist, lane keeping assist, and pre-safe systems intermittently show as inoperative with repeated warning chimes before resetting.
Power steering assist has cut out suddenly, triggering a power steering malfunction warning light while driving.

When 2014 Mercedes-Benz E350 electrical complaints were filed

First complaint Feb 27, 2015, latest Sep 4, 2025.

38 complaints filed with NHTSA from Feb 2015 to Sep 2025; peak Apr 2015 (2).

Electrical System recalls for the 2014 Mercedes-Benz E350

NHTSA 17V177000Mar 14, 2017Electrical System51 vehicles
Electrical system:software
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 AMG GT-S, GLC300, CLA250 and GLE300d 4Matic vehicles, 2013 C250, E350 BlueTec and G63 AMG vehicles, 2008-2014 C300 vehicles, 2013-2014 C300 4Matic and ML350 4Matic vehicles, 2009 C350 vehicles, 2014 CLS550, E350 4Matic, E350 Coupe 4Matic, E350 Wagon 4Matic, GLK350 and SL550 vehicles, 2012 CLS550 4Matic vehicles, 2012-2016 E350 vehicles, 2016-2017 GL450 4Matic vehicles, 2012-2014 ML350 4Matic BlueTec vehicles, 2015 S550, S550 4Matic and C300 4Matic Sedan vehicles, 2015-2016 C300 Sedan vehicles, and 2017 SL63 AMG vehicles. Various control units on these vehicles may have been updated with incorrect software, potentially affecting the correct deployment of the air bags in the event of a crash.
Risk: If the air bags do not deploy as intended in the event of a crash, there would be an increased risk of injury in the event of a crash.
Remedy: MBUSA will notify owners, and dealers will update software in the affected control units, free of charge. The recall began April 21, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.

Electrical System complaints by E350 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

201021 (12%)
20114 (2%)
201219 (9%)
201312 (7%)
201438 (14%)
20155 (16%)
201611 (22%)
20171 (14%)
20202 (25%)
20214 (31%)
20221 (13%)
20231 (17%)
20243 (60%)
20251 (50%)

Frequently asked questions

Does the 2014 Mercedes-Benz E350 have electrical problems?: NHTSA lists 38 Electrical System complaints for the 2014 E350, 14% of the 278 total complaints filed for that year, with 9 fire reports among them.
Is there a recall for the 2014 E350 electrical system?: Recall 17V177000 covers a software update for control units on related Mercedes-Benz vehicles, including some E350 BlueTec models, but the 2014 E350 gas model is not explicitly named in the summary provided.
At what mileage do E350 electrical issues typically show up?: NHTSA data shows a median mileage of 49,584 at the time owners reported the failure.
What is the most common electrical complaint on the 2014 E350?: The most frequently described pattern is speakers making crackling or popping noises followed by smoke, reported in multiple sample complaints, sometimes traced to the audio amplifier.