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Mercedes-Benz CLS550 Engine Control Module Replacement Cost

The average cost for a Mercedes-Benz CLS550 Engine Control Module Replacement is between $1392 and $2767. Labor costs are estimated between $52 and $67 while parts are priced between $1340 and $2700. Estimate does not include taxes and fees.

How Much Does an Engine Control Module Replacement Cost?

Engine Control Module Replacement Service and Cost

Best Practices

Many vehicles have upgradeable software in their PCM, so be sure to check for any Technical Service Bulletins (TSBs) that pertain to possible problems with the PCM.

Use an OEM PCM and install the latest software during its replacement

Common Symptoms

Here a few common symptoms that may occur when the PCM is defective:

1. Several unrelated codes are set simultaneously

2. Vehicle may not start and/or run

3. Engine has poor performance without setting any codes

Common Misdiagnoses

A PCM can be replaced when the cause of the vehicle malfunction is due to a defective engine sensor that was overlooked in the initial diagnosis.

Most Common Mercedes-Benz CLS550 Repairs

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