BestCarRank
Mercedes-Benz

2015 Mercedes-Benz CLS400

Problems, Recalls & Reliability Report

Below Average

Quick Summary

The 2015 Mercedes-Benz CLS400 has 12 owner complaints filed with NHTSA — that's 1.0x the segment average of 12. The most common issue is electrical problems (25% of all complaints), specifically: 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..

12

Total Complaints

0

Recalls Issued

—/5

Safety Stars

1.0x

vs Segment Avg

Known Problems(top 5 of 8)

ELECTRICAL

3 complaints
25%
  • • 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.
  • • 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 BE
  • • 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.ELECT
Typical onset: 50K miles Est. repair: $500

“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.”

— NHTSA complaint filing

When Problems Appear on the 2015 Mercedes-Benz CLS400

Based on 10 owner complaints that included an odometer reading. Median mileage at time of complaint: 10K miles. Most complaints cluster in the 0-30K miles range.

Overall complaint distribution by mileage
0-30K
7
30-60K
3
60-100K
0
100-150K
0
150-200K
0
200K+
0

Mileage figures are self-reported by owners in NHTSA complaint filings. Peak bucket = the mileage range with the most complaints for that component; it reflects when owners noticed and reported problems, not necessarily when the fault first occurred.

Fuel Cost Calculator for 2015 Mercedes-Benz CLS400

Live EIA prices
Per year
$2,001
Per month
$167
Per mile
16.7¢
MPG
24
City driving (worst-case MPG)
$2,401/yr
Highway driving (best-case MPG)
$1,656/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today
Current
$4.00
5-year low
$2.78
5-year high
$5.01
Since 2021
+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2015 Mercedes-Benz CLS400

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.
Full coverage / year
$1,971
Full coverage / month
$164
Liability only / year
$710
vs US avg
+18%
How this estimate is calculated
US base full-coverage premium$1674
× state (US)1.00x
× vehicle class (sedan-luxury)1.28x
× theft risk1.00x
× safety rating1.00x
× vehicle age0.92x
= Full coverage estimate$1971

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Mercedes-Benz CLS400 Service Intervals

Oil change
10K mi / 12 mo
Tire rotation
10K mi
Brake fluid
24 months
Transmission fluid
40K mi
Engine coolant
150K mi
Spark plugs
60K mi
Cabin air filter
20K mi
Engine air filter
40K mi
Differential (AWD/4WD)
40K mi

Service A / Service B alternating schedule. Requires MB-approved oil (229.5 spec typically).

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Mercedes-Benz New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)
4 yr / 50K mi
Powertrain
4 yr / 50K mi
Hybrid/EV battery
10 yr / 155K mi
Corrosion (rust perforation)
4 yr / 50K mi
Roadside assistance
4 yr / unlimited mi

EQ EV battery warranty is 10 years/155,000 miles

These are the terms for a new Mercedes-Benz. If you're buying a used 2015 CLS400, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Mercedes-Benz dealer for VIN-specific remaining warranty.

Estimated Repair Costs

ELECTRICAL(~50K mi)
$500
ELECTRONIC SYSTEMS(~50K mi)
$500
LIGHTING(~50K mi)
$500
STEERING(~50K mi)
$500
WHEELS(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 12 owner complaints for this specific year, here's what to check or ask about:

  • ☐
    ELECTRICAL: 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.

    Typically appears around 50K miles. Repair cost ~$500

  • ☐
    ELECTRONIC SYSTEMS: 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 BE

    Typically appears around 50K miles. Repair cost ~$500

  • ☐
    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 BE

    Typically appears around 50K miles. Repair cost ~$500

  • ☐
    STEERING: 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.ELECT

    Typically appears around 50K miles. Repair cost ~$500

  • ☐
    General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

Mercedes-Benz CLS400 — Year Comparison

How does 2015 compare to other years? Fewer complaints = more reliable.

2015
12Below Average
Full years-to-avoid analysis →

NHTSA Safety Rating

No NHTSA safety rating available

At a Glance

Complaints
12
Recalls
0
Fire reports
0
Crash reports
0
Injury reports
0
Segment avg
12

Check a Specific VIN

See recalls for YOUR 2015 Mercedes-Benz CLS400

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