| 1 | 0 | 3 | 4 | 3 | 4 |
2014 Mercedes-Benz M-Class repairs by problem area
Engine (46%)
Transmission and Drivetrain (0%)
Brakes and Traction Control (6%)
Suspension and Steering (3%)
Electrical and Air Conditioning (34%)
Paint, Rust, Leaks, Rattles, and Trim (9%)
Other (3%)
Chart based on 35 repairs.
2014 Mercedes-Benz M-Class engine repair cost distribution
$2500+ (7%)
$1000 - $2499 (14%)
$500 - $999 (0%)
$100 - $499 (7%)
< $100 (71%)
Chart based on 14 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2014 Mercedes-Benz M-Class 4dr SUV
turbocharged 255hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 58900 mi | Engine code error. Dealership replaced both NOX sensors. Extended Warranty covered $2400+ repair cost. Fuel consumption dropped from 10.2 to 8.2 l/100 km on everyday driving. |
| 93620 mi | Engine code. High carbon in cyl. Sensor replaced. Running good |
2014 Mercedes-Benz M-Class 4dr SUV
turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 40000 mi | Turbo sensor replaced under warranty |
| 102000 mi US $1280 |
Oil leaks from oil cooler, intercooler hoses |
| 26000 mi | One of the diesel fuel injectors was not working right, so the dealer replaced it. When they tried to update the software in the cars computer system, they messed up and it took another day to straighten that out. |
| 65000 mi | Check engine light came on. Problem was in exhaust system. Dealer replaced both NOX sensors, ADBLUE preheater and pump control system, and M.E. control module. List price for parts replaced alone was $4,324. Fortunately, I had an extended warranty from MBusa, so this cost me nothing but the inconvenience, and the dealer gave me a loaner vehicle for the entire time. |
| 89000 mi | Brought car in for replacement of parts as part of Mercedes diesel settlement. After parts were replaced, they checked the car and found a bad fuel injector. The injector was then replaced for free under the extended warrantee that was part of the diesel settlement. |
| 118000 mi US $1200 |
Oil leak repair |
| 120000 mi US $8000 |
Major work to replace oil cooler and seals and other work on engine to allow the car to be in tip-top condition to allow me to keep the car going for another 50,000 miles. |
2014 Mercedes-Benz M-Class 4dr SUV
302-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 41000 mi US $100 |
Bad injector. Also leaky valve stem on tire |
| 40000 mi | Cylinder 3 missing Ck done , told no problem, poss bad gas Has worked fine since/ they possibly added fuel additive No 3 cyclinder continued missing- took in 4 weeks ago, “car computer “ reset and updated. Prob worsened, took in again(3 rd time) , finally, spark plug 3 cylinders removed, found to be fouled , replaced. So far, ???? |
| 7500 mi | Check engine light popped up. Took it to the dealer. I was told that a software update was needed. 0.0 cost due to warranty |
| 9000 mi US $20 |
low coolant |
| Loud noise from engine during cold start up for a few minutes. The right and left timing chain tensioners needed to be replaced. Turns out there is a bulletin already existing about this issue. I noted repair successful but I still hear it. |
| 10000 mi | Car went into "limp-home" mode and was very sluggish. Roadside towed vehicle to dealer. Replaced crankshaft position sensor. Also had 10k mile service performed which was almost due anyway. |
See TrueDelta's information for all SUVs
See TrueDelta's information for all Mercedes-Benz models.
