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2014 Mercedes-Benz E-Class problems: engine and transmission complaints and recalls

NO ELEVATED SIGNAL
23%
56 of 244 relevant owner complaints are about the engine, transmission or fuel system

No elevated drivetrain complaint concentration in the available NHTSA records for the 2014 Mercedes-Benz E-Class. Engine, transmission and fuel system account for 23% of relevant complaints.

Better than 82% of the 1,789 model years we track (2010–2023).

Excludes 60 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 18%).

NHTSA data checked October 3, 2026
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Does the 2014 Mercedes-Benz E-Class have engine or transmission problems?

Not as a pattern, going by owner complaints. 56 of 244 relevant complaints filed with NHTSA about the 2014 Mercedes-Benz E-Class concern the engine, transmission or fuel system (23%). For comparison, the 2013 scores 25% and the 2015 scores 18%. This describes the model year, not any one car: a well-maintained or already-repaired example can be fine, and a clean model year can still have a bad car in it.

Drivetrain complaints
56
engine, transmission, fuel
Total complaints
304
this model year
Fires reported
15
owner-reported
Recall campaigns
0
11 crashes · 9 injuries

Complaints by component

AIR BAGS58 · 19%
SERVICE BRAKES55 · 18%
ELECTRICAL SYSTEM41 · 13%
SUSPENSION31 · 10%
STEERING29 · 10%
UNKNOWN OR OTHER28 · 9%

The years either side

2010
34%
53 of 258
2011
35%
53 of 296
2012
38%
53 of 235
2013
25%
31 of 185
2014
23%
56 of 304
2015
18%
8 of 57
2016
28%
16 of 89
2017
52%
75 of 167
2018
33%
20 of 68
2019
35%
15 of 54
2020
too few complaints
2021
too few complaints
2022
too few complaints
2023
too few complaints

Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.

What owners reported

SUSPENSION,SERVICE BRAKES,FUEL/PROPULSION SYSTEM07/08/2026FIRE
Vehicle subframe corrosion (manufacturer extended warranty offered). Rear brake lines corroded/leaking. Vehicle leaks fuel; steel fuel line corroded. Vehicle has about 105k miles. Minor fire started when yard maintenance came in contact with fuel saturated ground where vehicle had been parked/moved out of the way…
FUEL/PROPULSION SYSTEM04/18/2026
Strong smell of fuel from the rear wheel well areas, especially after a fill. I have been searching the recalls and found a 15V-792 / 2015110006 Recall Summary as well as a 15V-792 / 2015110006 Recall Solution. Please advise if this is of safety concern and the dealer should address this concern. [XXX] [XXX] [XXX]…
ENGINE,FUEL/PROPULSION SYSTEM03/09/2026
Issue with fuel injection for Benz E350 2014 2014 Mercedes-Benz E350 fuel injection issues often stem from faulty injectors causing misfires, often on Cylinder 5, or a recalled fuel feed line. Symptoms include rough idling, reduced gas mileage, stalling, and check engine lights (P0300-P0306 codes).

Three of 56 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.

Before you buy a 2014 Mercedes-Benz E-Class

Questions people ask about the 2014 Mercedes-Benz E-Class

Does the 2014 Mercedes-Benz E-Class have engine or transmission problems?

Not as a pattern, going by owner complaints. 56 of 244 relevant complaints filed with NHTSA about the 2014 Mercedes-Benz E-Class concern the engine, transmission or fuel system (23%). It describes the model year, not any one car, so an inspection still matters.

Are there engine or transmission recalls on the 2014 Mercedes-Benz E-Class?

NHTSA lists no recall campaigns on the 2014 Mercedes-Benz E-Class.

Which Mercedes-Benz E-Class years are better?

Among the Mercedes-Benz E-Class years we track, the 2015 (18%) has a lower engine and transmission complaint share than the 2014 (23%). Manufacturers fix things mid-generation, so the year before or after can be a different car.

Should I buy a 2014 Mercedes-Benz E-Class?

That depends on the car in front of you, not just the model year. The 2014 Mercedes-Benz E-Class shows no elevated engine or transmission pattern in owner complaints, which is a good starting point. It is still one car with its own history, so get an independent pre-purchase inspection and a vehicle history report before you commit.

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Experimental model-level information. This is not a vehicle inspection, vehicle-history report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition of any individual vehicle. Combined across 2 body styles NHTSA files separately.