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The 2021 Mercedes-Benz CLS450-4M is a luxurious passenger car with a 3.0L turbocharged engine, delivering power through a 9-speed automatic transmission. It features advanced safety systems like Dynamic Brake Support, ABS, and multiple airbags, including side airbags for both rows. Standard amenities include a backup camera, blind spot warning, and LED headlamps, while optional features include adaptive cruise control and parking assist. With a seating capacity of five and a sleek design, this vehicle offers both performance and comfort.

Decoded VIN:

Make

MERCEDES-BENZ

Manufacturer Name

MERCEDES-BENZ CARS

Model

CLS-Class

Model Year

2021

Plant City

SINDELFINGEN

Series

CLS450-4M

Vehicle Type

PASSENGER CAR

Plant Country

GERMANY

Note

Some of the decoding information provided may vary for non-U.S. market vehicles.

Body Class

Sedan/Saloon

Doors

Gross Vehicle Weight Rating From

Class 1: 6,000 lb or less (2,722 kg or less)

Wheel Base (inches) From

115.70

Gross Vehicle Weight Rating To

Class 1: 6,000 lb or less (2,722 kg or less)

Number of Wheels

Wheel Size Front (inches)

Wheel Size Rear (inches)

Steering Location

Left-Hand Drive (LHD)

Number of Seats

Number of Seat Rows

Transmission Style

Automatic

Transmission Speeds

Axles

Engine Number of Cylinders

Displacement (CC)

3000.0

Displacement (CI)

183.07123228419

Displacement (L)

3.0

Engine Stroke Cycles

Engine Model

M256

Fuel Type - Primary

Gasoline

Valve Train Design

Dual Overhead Cam (DOHC)

Engine Configuration

In-Line

Cooling Type

Water

Other Engine Info

DIRECT FUEL INJECTION, AM-7, TC

Turbo

Yes

Engine Manufacturer

Daimler

Pretensioner

Yes

Seat Belt Type

Manual

Other Restraint System Info

Type 2 seat belts for all occupants. Seat belts on all outboard designated seating positions are equipped with load limiters and pretensioners.

Front Air Bag Locations

1st Row (Driver and Passenger)

Side Air Bag Locations

1st and 2nd Rows

Anti-lock Braking System (ABS)

Standard

Electronic Stability Control (ESC)

Standard

Traction Control

Standard

Tire Pressure Monitoring System (TPMS) Type

Direct

Auto-Reverse System for Windows and Sunroofs

Standard

Keyless Ignition

Standard

Adaptive Cruise Control (ACC)

Optional

Crash Imminent Braking (CIB)

Standard

Blind Spot Warning (BSW)

Standard

Backup Camera

Standard

Parking Assist

Optional

Dynamic Brake Support (DBS)

Standard

Automatic Crash Notification (ACN) / Advanced Automatic Crash Notification (AACN)

Standard

Daytime Running Light (DRL)

Standard

Headlamp Light Source

LED

Semiautomatic Headlamp Beam Switching

Standard

Adaptive Driving Beam (ADB)

Optional

Most common problems:

Dynamic brake support (dbs) malfunction

The DBS system may fail to engage properly, resulting in a lack of braking assistance during emergency situations.

Engine misfires

In-line engines, like the M256, can experience misfires due to issues with fuel injectors, spark plugs, or ignition coils.

Turbocharger issues

The turbocharger (TC) may develop problems such as oil leaks, bearing failures, or compressor wheel damage, affecting engine performance.

Fuel injection problems

Direct fuel injection systems can encounter issues like clogged injectors or high-pressure fuel pump failures, leading to poor engine performance.

Excessive oil consumption

Some M256 engines may consume more oil than expected, often due to piston ring or valve seal wear.

Timing chain tensioner failure

The timing chain tensioner in the M256 engine may fail, leading to potential timing chain slack and engine timing issues.

Cooling system problems

The M256 engine's cooling system might experience failures in components like the water pump or thermostat, causing overheating.

Electronic control unit (ecu) faults

The ECU may develop software or hardware issues, resulting in poor engine performance or erratic behavior.

Emissions system failures

Components such as the EGR valve or catalytic converters can fail, leading to increased emissions and potential engine check lights.

Vibration issues

In-line engines can sometimes suffer from balance-related vibrations, especially if engine mounts wear out or fail.

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