Total Complaints
12 filings
MERCEDES-BENZ CLS400 · model year
2015 MERCEDES-BENZ CLS400
12 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2015MERCEDES-BENZCLS400 carries 12 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 1 fire, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2015 CLS400 is electrical system with 3 filings, followed by electronic stability control (esc) (2) and exterior lighting (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 15 investigation files overlapping the 2015 CLS400. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
12
Complaints
0
Crashes
1
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM | 3 |
| ELECTRONIC STABILITY CONTROL (ESC) | 2 |
| EXTERIOR LIGHTING | 1 |
| STEERING | 1 |
| WHEELS | 1 |
| SEATS | 1 |
| SERVICE BRAKES | 1 |
| POWER TRAIN | 1 |
| ENGINE | 1 |
Recent Complaints
20230128FireENGINE
2015 mercedes benz CLS 400 - Engine caught fire while in a parking lot approximately 10 minutes after i parked it and went inside department store. The vehicle had no open recalls
20220722POWER TRAIN
while going on freeway at 70 mph car came up with code service required do not shift see dealer and lost power had to pull off lane onto shoulder luckily was able to, could not get car to shift or go anywhere could not contact their roadside assistance, this is the third time it has done it too me, this last time could have resulted in a crash and possible death
20200323SERVICE BRAKES
A FEW TIMES A MONTH, THE EMERGENCY BRAKE LIGHT COMES ON AND THE CAR'S ENGINE AND VOLUME START TO DECREASE. THE TEMPORARY FIX, IS TO RELEASE THE EMERGENCY BRAKE.
Mileage: 40,000
20200320SEATS
THE DRIVER'S SEAT WITH NOT MOVE FORWARD OR BACKWARDS
Mileage: 43,500
20191201WHEELS
CLS 400 4 MAGIC 2015. REAR TIRES WEARING FROM INSIDE OF TIRE AT 36,000 MILES. LOOKING AT TIRES FROM OUTSIDE AND TOP LOOKS GREAT AS IF TIRES ARE IN GOOD SHAPE. LUCKILY WHILE ON HIGH WAY TIRE BEGAN TO DEFLATE BEFORE COMING APART AT 60 MPH. 😥
Mileage: 36,500
20151019ELECTRONIC STABILITY CONTROL (ESC)
TOTAL ELECTRICAL FAILURE WHICH IS CAUSING COMMAND SYSTEM TO POWER ON/OFF WHILE VEHICLE IS BEING DRIVEN,NOT ALLOWING ME TO USE NAVIGATION,WINDOWS(ROLLING UP&DOWN OR NOT WORKING AT ALL),SIDE VIEW MIRRORS(FLIPPING OUT & IN,WHILE VEHICLE IS BEING DRIVEN)AIR CONDITIONING,RADIO TURNING ITSELF OFF/ON.ELECTRONIC BREAKING SYSTEM ACTIVATING ITSELF WHILE VEHICLE IS BEING DRIVEN,SPEEDOMETER NOT WORKING.KEYLESS FUNCTIONS NOT WORKING HAD TO REMOVE HARD KEY MANUALLY TO OPEN CAR DOOR & REMOVE PUSH BUTTON STARTER MANUALLY TO INSERT KEY.THE CAR IS UNSAFE TO DRIVE ESPECIALLY WITH THE BRAKING SYSTEM ACTIVATING ITSELF AS WELL AS THE MULTI MALFUNCTIONS.THIS IS NOW THE 4TH TIME THE VEHICLE HAS BEEN TAKEN TO THE DEALERSHIP FOR THIS PROBLEM.I HAVE 10,000 MILES ON THE CAR, PURCHASED IT DEC 24,2014.I CALLED MB USA CUSTOMER SERVICE & REPORTED THE COMPLAINTS/MALFUNCTIONS TO THEM & MADE THEM AWARE THAT THE CAR WAS UNSAFE TO DRIVE & THE CUSTOMER SERVICE AGENT TOOK MY INFORMATION & SAID SOMEONE WOULD CALL ME TOMORROW
Mileage: 10,000
20151019ELECTRICAL SYSTEM
TOTAL ELECTRICAL FAILURE WHICH IS CAUSING COMMAND SYSTEM TO POWER ON/OFF WHILE VEHICLE IS BEING DRIVEN,NOT ALLOWING ME TO USE NAVIGATION,WINDOWS(ROLLING UP&DOWN OR NOT WORKING AT ALL),SIDE VIEW MIRRORS(FLIPPING OUT & IN,WHILE VEHICLE IS BEING DRIVEN)AIR CONDITIONING,RADIO TURNING ITSELF OFF/ON.ELECTRONIC BREAKING SYSTEM ACTIVATING ITSELF WHILE VEHICLE IS BEING DRIVEN,SPEEDOMETER NOT WORKING.KEYLESS FUNCTIONS NOT WORKING HAD TO REMOVE HARD KEY MANUALLY TO OPEN CAR DOOR & REMOVE PUSH BUTTON STARTER MANUALLY TO INSERT KEY.THE CAR IS UNSAFE TO DRIVE ESPECIALLY WITH THE BRAKING SYSTEM ACTIVATING ITSELF AS WELL AS THE MULTI MALFUNCTIONS.THIS IS NOW THE 4TH TIME THE VEHICLE HAS BEEN TAKEN TO THE DEALERSHIP FOR THIS PROBLEM.I HAVE 10,000 MILES ON THE CAR, PURCHASED IT DEC 24,2014.I CALLED MB USA CUSTOMER SERVICE & REPORTED THE COMPLAINTS/MALFUNCTIONS TO THEM & MADE THEM AWARE THAT THE CAR WAS UNSAFE TO DRIVE & THE CUSTOMER SERVICE AGENT TOOK MY INFORMATION & SAID SOMEONE WOULD CALL ME TOMORROW
Mileage: 10,000
20151019STEERING
TOTAL ELECTRICAL FAILURE WHICH IS CAUSING COMMAND SYSTEM TO POWER ON/OFF WHILE VEHICLE IS BEING DRIVEN,NOT ALLOWING ME TO USE NAVIGATION,WINDOWS(ROLLING UP&DOWN OR NOT WORKING AT ALL),SIDE VIEW MIRRORS(FLIPPING OUT & IN,WHILE VEHICLE IS BEING DRIVEN)AIR CONDITIONING,RADIO TURNING ITSELF OFF/ON.ELECTRONIC BREAKING SYSTEM ACTIVATING ITSELF WHILE VEHICLE IS BEING DRIVEN,SPEEDOMETER NOT WORKING.KEYLESS FUNCTIONS NOT WORKING HAD TO REMOVE HARD KEY MANUALLY TO OPEN CAR DOOR & REMOVE PUSH BUTTON STARTER MANUALLY TO INSERT KEY.THE CAR IS UNSAFE TO DRIVE ESPECIALLY WITH THE BRAKING SYSTEM ACTIVATING ITSELF AS WELL AS THE MULTI MALFUNCTIONS.THIS IS NOW THE 4TH TIME THE VEHICLE HAS BEEN TAKEN TO THE DEALERSHIP FOR THIS PROBLEM.I HAVE 10,000 MILES ON THE CAR, PURCHASED IT DEC 24,2014.I CALLED MB USA CUSTOMER SERVICE & REPORTED THE COMPLAINTS/MALFUNCTIONS TO THEM & MADE THEM AWARE THAT THE CAR WAS UNSAFE TO DRIVE & THE CUSTOMER SERVICE AGENT TOOK MY INFORMATION & SAID SOMEONE WOULD CALL ME TOMORROW
Mileage: 10,000
20150928ELECTRONIC STABILITY CONTROL (ESC)
THIS IS THE 2ND TIME MY 2015 CLS400 MERCEDES HAS BEEN RETURNED TO THE DEALERSHIP FOR THIS REOCCURRING PROBLEM OF THE ELECTRONIC COMMAND SYSTEM TOTALLY SHUTTING DOWN WHILE THE VEHICLE IS BEING DRIVEN ON THE STREET AND FRWY.NAVIGATION BLINKS ON & OFF,SIDE VIEW MIRRORS FOLD IN & OUT WHILE VEHICLE IS BEING DRIVEN,RADIO TURNS ON & OFF,ELECTRONIC BRAKING SYSTEM ACTIVATED ITSELF WHILE I WAS DRIVING ON THE FRWY & AROUND TOWN,KEYLESS ENTRY WOULD NOT WORK SO I HAD TO USE THE MANUAL KEY TO GET INTO VEHICLE & REMOVE PUSH START BUTTON TO INSERT THE KEY TO START VEHICLE,WINDOWS WOULD NOT WORK NOR AIR CONDITIONING & IT WAS A HOT DAY.SPEEDOMETER WOULD NOT WORK & GAS METER SHOWED EMPTY EVEN THOUGH VEHICLE HAD A FULL TANK. VEHICLE WAS SIMPLY UNSAFE TO DRIVE.I PURCHASED THE VEHICLE ON DEC 24 2014 AND THE PROBLEM STARTED IN AUG 2015 IN WHICH THE DEALERSHIP HAD MY VEHICLE FOR 5-6 DAYS & SAID THEY COULDN'T FIGURE OUT WHAT WAS WRONG BUT CONFIRMED MY STORY BECAUSE THE COMPUTER SYSTEM THEY PLUGGED INTO CONFIRM
Mileage: 9,000
20150928ELECTRICAL SYSTEM
THIS IS THE 2ND TIME MY 2015 CLS400 MERCEDES HAS BEEN RETURNED TO THE DEALERSHIP FOR THIS REOCCURRING PROBLEM OF THE ELECTRONIC COMMAND SYSTEM TOTALLY SHUTTING DOWN WHILE THE VEHICLE IS BEING DRIVEN ON THE STREET AND FRWY.NAVIGATION BLINKS ON & OFF,SIDE VIEW MIRRORS FOLD IN & OUT WHILE VEHICLE IS BEING DRIVEN,RADIO TURNS ON & OFF,ELECTRONIC BRAKING SYSTEM ACTIVATED ITSELF WHILE I WAS DRIVING ON THE FRWY & AROUND TOWN,KEYLESS ENTRY WOULD NOT WORK SO I HAD TO USE THE MANUAL KEY TO GET INTO VEHICLE & REMOVE PUSH START BUTTON TO INSERT THE KEY TO START VEHICLE,WINDOWS WOULD NOT WORK NOR AIR CONDITIONING & IT WAS A HOT DAY.SPEEDOMETER WOULD NOT WORK & GAS METER SHOWED EMPTY EVEN THOUGH VEHICLE HAD A FULL TANK. VEHICLE WAS SIMPLY UNSAFE TO DRIVE.I PURCHASED THE VEHICLE ON DEC 24 2014 AND THE PROBLEM STARTED IN AUG 2015 IN WHICH THE DEALERSHIP HAD MY VEHICLE FOR 5-6 DAYS & SAID THEY COULDN'T FIGURE OUT WHAT WAS WRONG BUT CONFIRMED MY STORY BECAUSE THE COMPUTER SYSTEM THEY PLUGGED INTO CONFIRM
Mileage: 9,000
20150928EXTERIOR LIGHTING
THIS IS THE 2ND TIME MY 2015 CLS400 MERCEDES HAS BEEN RETURNED TO THE DEALERSHIP FOR THIS REOCCURRING PROBLEM OF THE ELECTRONIC COMMAND SYSTEM TOTALLY SHUTTING DOWN WHILE THE VEHICLE IS BEING DRIVEN ON THE STREET AND FRWY.NAVIGATION BLINKS ON & OFF,SIDE VIEW MIRRORS FOLD IN & OUT WHILE VEHICLE IS BEING DRIVEN,RADIO TURNS ON & OFF,ELECTRONIC BRAKING SYSTEM ACTIVATED ITSELF WHILE I WAS DRIVING ON THE FRWY & AROUND TOWN,KEYLESS ENTRY WOULD NOT WORK SO I HAD TO USE THE MANUAL KEY TO GET INTO VEHICLE & REMOVE PUSH START BUTTON TO INSERT THE KEY TO START VEHICLE,WINDOWS WOULD NOT WORK NOR AIR CONDITIONING & IT WAS A HOT DAY.SPEEDOMETER WOULD NOT WORK & GAS METER SHOWED EMPTY EVEN THOUGH VEHICLE HAD A FULL TANK. VEHICLE WAS SIMPLY UNSAFE TO DRIVE.I PURCHASED THE VEHICLE ON DEC 24 2014 AND THE PROBLEM STARTED IN AUG 2015 IN WHICH THE DEALERSHIP HAD MY VEHICLE FOR 5-6 DAYS & SAID THEY COULDN'T FIGURE OUT WHAT WAS WRONG BUT CONFIRMED MY STORY BECAUSE THE COMPUTER SYSTEM THEY PLUGGED INTO CONFIRM
Mileage: 9,000
20150527ELECTRICAL SYSTEM
DESPITE NHTSA RECALL # 15V137 WAS ISSUED ON MARCH 12TH,2015 I WAS SOLD A CLS400 ON MARCH 14TH. NEITHER AT TIME OF SALE NOR THEREAFTER I WAS NOTIFIED ABOUT THIS RECALL. IT SEEMS THAT DEALERSHIP WAS IN VIOLATION OF MERCEDES BENZ USA'S STOP-SALE ORDER ISSUED TO DEALERS ON MARCH 13TH.
Mileage: 30
Compare 2015MERCEDES-BENZCLS400 to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 2015 MERCEDES-BENZ CLS400 have?▼
The 2015 MERCEDES-BENZ CLS400 has 12 NHTSA complaints, 0 crashes, 1 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2015 MERCEDES-BENZ CLS400?▼
The most-complained component for the 2015 MERCEDES-BENZ CLS400 is ELECTRICAL SYSTEM with 3 complaints. Other frequently reported areas include ELECTRONIC STABILITY CONTROL (ESC) and EXTERIOR LIGHTING.
Is the 2015 MERCEDES-BENZ CLS400 safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.