Parktronic triggers without obvious cause - AF54.65-P-2002A

WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2007 Mercedes-Benz C350, 2007 Mercedes-Benz C280, 2007 Mercedes-Benz C230, 2006 Mercedes-Benz C55, and 2006 Mercedes-Benz C350. However, it is still accessible from the selected car via links, so may be relevant.

MODEL 163, 168 as of 1.3.01, 202, 203, 209, 210, 211, 215, 219, 220 as of 1.7.02, 230 with CODE (220) Parktronic System (PTS)

MODIFICATION NOTES

25.2.04

Step 5 added

AF54.65-P-2002-01A

OPERATION NO. OF OPERATION TEXTS OR STANDARD TEXTS AND FLAT RATES

Category	Op. no.	Operation text
P	541011	Perform quick test
P	540680	Check Parktronic system (after quick test)
P	541066	Replace front sensor units of the Parktronic system (PTS), Quantity:.....(with bumper removed)
P	541067	Replace left front sensor unit of Parktronic system (PTS) (after testing), except model 163
P	541068	Replace right front sensor unit of Parktronic system (PTS) (after testing), except model 163
P	541069	Replace front sensor units (all) of Parktronic system (PTS) (after testing), except model 163

Damage code	Cause	Remedy
54 691 EG	PTS sensors A42b2 (center left sensor on front bumper), A42b3 (inside left sensor on front bumper), A42b4 (inside right sensor on front bumper) and/or A42b5 (center right sensor on front bumper) react too sensitively.	If a fault code is stored in the PTS control unit (e.g. sensor faulty), it is not necessary to install a less sensitive sensor.
		1 Check PTS sensors for their sensitivity	AF54.65-P-2002-01A
		2 Remove/install/replace PTS sensors. Install less sensitive sensors. Do not install any less sensitive sensors into the rear bumper. Warranty and goodwill regulations for Parktronic sensors. No license plate frame should be installed on the front bumper and no faults should be stored in the Parktronic control unit (N62).	SI54.65-P-0002A

PARTS ORDERING NOTES

Part no.	Designation	Quantity
A 003 542 87 18	PTS sensors (less sensitive)	as required