Clutch master cylinder analysis sheet, form · of2520s001001a · Mercedes-Benz WIS

OF25.20-S-0010-01A

Clutch master cylinder analysis sheet, form

Model	447 with engine 622, 651
Model	906 with engine 642, 651
Model	907 with engine 642, 651
Model	910 with engine 651

_________________________________________________________________________________________________________________________________
Company-owned sales and service outlet/Dealer no.
	_____________________________________________________________________________________
	Service advisor or team leader name
	_____________________________________________________________________________________
	Vehicle identification number
	_____________________________________________________________________________________
	Telephone number for queries
	_____________________________________________________________________________________
	Date
_________________________________________	_________________________________________	_________________________________________
First registration	Engine (622/642/651)	Total distance (km or miles)

This analysis sheet is to be filled out by the service advisor or team leader and technician. The analysis sheet is to be included with the defective clutch master cylinder.

Info: For models 447, 907 and 910, the clutch pedal, the clutch master cylinder and pedal bracket is one unit and can only be replaced together. The clutch master cylinder is not to be removed from the pedal bracket and must be returned as a complete unit.

Customer complaint (to be filled out by service advisor or team leader)

Describe the customer complaint as well as the respective situation(s) before, during and after the fault occurs as accurately as possible.
Driving profile of the vehicle:
	Freeway	___________ %
	Inner-city location	___________ %
	Rural highway	___________ %
Trailer operation?	Yes ☐	No ☐
Description: _________________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________________

Determined parameter (test drive) of the customer complaint (to be filled out by service advisor or team leader)

Malfunction?
Control force at clutch pedal too low		☐
Control force at clutch pedal too high		☐
Power transmission despite operated clutch with gear engaged (if necessary, after a brief period)		☐
Clutch pedal remains hanging downwards (with power transmission)		☐
Clutch pedal remains hanging downwards (without power transmission)		☐
Other malfunctions: _________________________________________________________________________________________________________________________________
Sporadic malfunction(s) present?	Yes ☐	No ☐
In which conditions?	Outside temperature	___________°C or ℉
	Operating temperature of the engine	___________°C or ℉
	Shifting from______to______gear
	Air humidity:______% ☐ dry ☐ rain
	Driving situation:	☐ traction mode
		☐ overrun mode
		☐ Idle
Were complaints made about noises?	Yes ☐	No ☐
In which clutch pedal position:
When pressing the clutch pedal in the upper travel range		☐
When pressing the clutch pedal in the lower travel range		☐
When releasing the clutch pedal in the upper travel range		☐
When releasing the clutch pedal in the lower travel range		☐
When pressing or releasing the clutch pedal for the entire travel range		☐
Type of noise:	☐ cracking
	☐ squeaking
	☐ creaking
	☐ clicking
	☐ pulsation
How frequent?	☐ always
	☐ sporadic:
	approx. every______operations of the clutch pedal when shifting from______to______gear
	☐ in particular circumstances:
	Exact description of the particular circumstances: _____________________________________________________________________________________
	Reported by the customer (not reproducible)	☐

Diagnosis of the customer complaint (to be filled out by the technician)

Are leaks present?		Yes ☐	No ☐
	Position(s) of leak(s):
	_____________________________________________________________________________________ _____________________________________________________________________________________ (Describe position(s) precisely and attach representative pictures to the form)
Info: Disassembling the clutch master cylinder is impermissible, otherwise no diagnosis can be made afterwards! After removing the clutch master cylinder, do not operate it, close off with suitable stop plugs and return together with this completed analysis sheet via the standard process.
Does the clutch have normal wear?		Yes ☐	No ☐
Were further component parts replaced in the context of the customer complaint?		Yes ☐	No ☐
Which component parts were replaced:		☐ clutch
		☐ central clutch release bearing
		☐ other component parts:
		__________________________________________ __________________________________________
Is the complaint rectified after the repair?		Yes ☐	No ☐
Number of the TIPS case (if present)__________________________________________
Miscellaneous: _________________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________________