| 1 | 0 | 3 | 4 | 3 | 4 |
2014 Mercedes-Benz E-Class repairs by problem area
Engine (20%)
Transmission and Drivetrain (9%)
Brakes and Traction Control (6%)
Suspension and Steering (3%)
Electrical and Air Conditioning (34%)
Paint, Rust, Leaks, Rattles, and Trim (21%)
Other (5%)
Chart based on 129 repairs.
2014 Mercedes-Benz E-Class engine repair cost distribution
$2500+ (9%)
$1000 - $2499 (9%)
$500 - $999 (4%)
$100 - $499 (9%)
< $100 (70%)
Chart based on 23 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
| 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. |
| 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. |
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. |
2014 Mercedes-Benz E-Class 4dr Sedan
turbocharged 402hp 4.7L V8 7-speed shiftable automatic AWD
| 65000 mi | Engine wiring harness replacement due to sensors leaking (oil contamination). Required R&R of drivetrain. Warranty |
| 44000 mi | Oil leak |
| 18000 mi | Parktronic, Eco mode and Brake Hold features stopped working. Diagnosis - Auxiliary battery failed prematurely. |
2014 Mercedes-Benz E-Class 4dr Sedan
turbocharged 195hp 2.1L I4 Diesel 7-speed shiftable automatic RWD
| 48000 mi | Drivability issues. Car would jerk and shudder upon acceleration intermittently. Diagnosed repair for new crank positioning sensor which was replaced. |
| 49000 mi | Faulty crank sensor |
| 42000 mi | CEL w/Ammonia smell from exhaust; Heating sensor fault (replaced), AdBlue valve "sticking" (replaced), Grey smoke from exhaust (Catalytic converter cleaned) |
| 85700 mi US $1500 |
Turbocharger tubing to intake (pressurized side) failed. |
| 139000 mi US $1500 |
Ad-Blue level sensor including fluid heater. |
| 32000 mi US $700 |
Coolant leak from crack In coolant distribution pipe. |
| 36000 mi | Emissions repair approximately $6000 covered under warranty. I think the filters and nozzles that deliver the DEF were defective. |
2014 Mercedes-Benz E-Class 4dr Sedan
turbocharged 195hp 2.1L I4 Diesel 7-speed shiftable automatic AWD
| 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 |
| 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. |
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. |
2014 Mercedes-Benz E-Class 4dr Sedan
302-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 147000 mi US $8200 |
Problem: disintegrating timing chain Correction: replace entire engine with used motor from salvage |
| 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 |
| 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. |
| 96000 mi US $3300 |
Experienced a misfire. An independent shop botched the repair three times. I took the car to the Mercedes dealer and had it fixed correctly the first time. The independent shop improperly coded the injectors, put in incorrect sparkplugs, and reused intake gaskets resulting in leaks. Over time the downstream catalytic converter was destroyed. The independent shop refunded me for the parts, and labor. Six fuel injectors, six coil packs, and the downstream catalytic converter were replaced. |
| 5000 mi | Main computer malfunction requiring a new wiring harness, Car was driveable, continued on trip and visited hometown Mercedes dealer who repaired satisfactorily. |
| 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. |
| 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. |
See TrueDelta's information for all Mercedes-Benz models.
