2014 Mercedes-Benz E-Class Mercedes-Benz E-Class 2014

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2014 Mercedes-Benz E-Class repairs by problem area

Engine (17%)

Transmission and Drivetrain (9%)

Brakes and Traction Control (5%)

Suspension and Steering (4%)

Electrical and Air Conditioning (34%)

Paint, Rust, Leaks, Rattles, and Trim (22%)

Other (5%)

Chart based on 112 repairs.
See TSBs and recalls for the 2014 Mercedes-Benz E-Class.

2014 Mercedes-Benz E-Class engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (0%)

$500 - $999 (6%)

$100 - $499 (13%)

< $100 (81%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 16 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2014 Mercedes-Benz E-Class 4dr Wagon

302-horsepower 3.5L V6 7-speed shiftable automatic AWD

2000 mi Check engine light came up with error code for inconsistent Ambient Air Temperature and Intake Air Temperature readings. Service diagnosed the problem and replaced faulty Intake Air Temperature sensor. 
25000 mi Check engine light came on. Tech read codes and unplugged the airflow sensor wire for 30 seconds. Reconnected wire with no check engine light since. No other issues in 25,000 miles. 

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2014 Mercedes-Benz E-Class 4dr Sedan

turbocharged 577hp 5.5L V8 7-speed shiftable automatic AWD

9300 mi Oil line to turbo was leaking. Oil line replaced same day. 

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2014 Mercedes-Benz E-Class 4dr Sedan

turbocharged 402hp 4.7L V8 7-speed shiftable automatic AWD

44000 mi Oil leak 
18000 mi Parktronic, Eco mode and Brake Hold features stopped working. Diagnosis - Auxiliary battery failed prematurely. 

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2014 Mercedes-Benz E-Class 4dr Sedan

turbocharged 195hp 2.1L I4 Diesel 7-speed shiftable automatic RWD

32000 mi

US $700
Coolant leak from crack In coolant distribution pipe. 
48000 mi Drivability issues. Car would jerk and shudder upon acceleration intermittently. Diagnosed repair for new crank positioning sensor which was replaced. Second trip: Replaced the transmission control module. 
36000 mi Emissions repair approximately $6000 covered under warranty. I think the filters and nozzles that deliver the DEF were defective. 

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2014 Mercedes-Benz E-Class 4dr Sedan

turbocharged 195hp 2.1L I4 Diesel 7-speed shiftable automatic AWD

42500 mi

US $400
DEF tank had shown empty even though the tank was filled by myself. Was unable to start car due to software, needed car towed to the dealer. Tank was checked for cracks and software was reset. 
22000 mi AdBlue Fault, CEL, immediately after "Service B" was performed at dealer. Had to take to local dealer on trip because the car would potentially not restart after this fault. Dealer knew of software upgrade and didn't perform at service 
31500 mi engine mount failure, which spilled all of it's hydraulic fluid over the underside of the car and in garage 

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2014 Mercedes-Benz E-Class 4dr Sedan

302-horsepower 3.5L V6 7-speed shiftable automatic RWD

37000 mi Check engine light was on. Not sure what they replaced but all done under warranty and working fine now 
9000 mi Driving on an interstate highway the car shut off. The dealer has not been able to identify the problem. Keyless door locks did not work always. I have asked the dealer to replace the car, but no response. MB USA is replacing the car. 

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2014 Mercedes-Benz E-Class 4dr Sedan

302-horsepower 3.5L V6 7-speed shiftable automatic AWD

60000 mi The cars had hesitation and shuddering. The check engine light came on. The car was diagnosed with a faulty fuel injector. The high pressure fuel pump was leaking oil into the fuel system, so they had to replace all injectors, the fuel rails, and the high pressure fuel pump all under campaign at no cost to me. 
17500 mi check engine light came on, slight misfiring occurring -- CEL at first flashing, then a solid light w/out misfiring. Dealer did software upgrade to remedy issue. 
5000 mi Main computer malfunction requiring a new wiring harness, Car was driveable, continued on trip and visited hometown Mercedes dealer who repaired satisfactorily. 
23000 mi Various repairs re: CTO purchase - all under warranty.-Spare key program-Re-program mbrace-Engine noise (replace timing chain tensioner)-Replace scratched windshield-Replace rear wheel brake rotors 
45000 mi The "Check Engine" light came on. The dealer determined that an oxygen sensor in the emissions system was at fault. The part had to be ordered and put in on another day. All was covered under warrantee. 

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2014 Mercedes-Benz E-Class Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2014 Mercedes-Benz E-Class problems occur, check out our car reliability stats.