Remove/Install Parking System Control Unit - AR54.65-P-0018FR

Model 257 

with code 235 (Active Parking Assist) 

Courtesy of MERCEDES-BENZ USA

Shown on model 257 with code 810 (Sound system) and code B63 (Sporty engine sound) and code 489 (AIR BODY CONTROL) and code 881 (Remote trunk closing) 

Courtesy of MERCEDES-BENZ USA

	Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.	No parts of the body or limbs should be within the operating area when the components are moving.	AS00.00-Z-0011-01A
	Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on HANDS-FREE ACCESS		AH80.61-P-0001-01A
	Remove/install
1	Remove left trunk lining at side.	Model 257 with code 235 (Active Parking Assist) except code 811 (High-End sound system)	AR68.30-P-4800FR
2	Switch off ignition and store transmitter key outside of transmission range (min. 2 m).
3	Remove subwoofer in trunk.	Model 257 with code 235 (Active Parking Assist) with code 811 (High-End sound system)	AR82.62-P-7841FR
4	Unscrew screws (1), remove nuts (2), and remove holder (3) with sound system control unit and place to one side.	Model 257 with code 235 (Active Parking Assist) with code 810 (Premium sound system) Model 257 with code 235 (Active Parking Assist) with code 811 (High-End sound system) Do not separate the electrical connectors.
5	Remove holder (4) with control units and place to one side.	Model 257 with code 235 (Active Parking Assist) with code 459 (Steel suspension with adjustable damping) Model 257 with code 235 (Active Parking Assist) with code 489 (AIR BODY CONTROL) Model 257 with code 235 (Active Parking Assist) with code B63 (Engine sound via speakers) Do not separate the electrical connectors. The number of control units installed on the holder (4) can vary depending on the vehicle equipment installed.
6	Unscrew nut (6), unfasten screws (5), and remove holder (7) with control units and place to one side.	Model 257 with code 235 (Active Parking Assist) with code 489 (AIR BODY CONTROL) Model 257 with code 235 (Active Parking Assist) with code 881 (Remote boot-lid closing) If installed. Do not separate the electrical connectors. The number of control units installed on the holder (7) can vary depending on the vehicle equipment installed.
7	Release screws (8), then remove holder (9) with parking system control unit (N62) and place in vehicle.
8	Release and disconnect electrical connectors from parking system control unit (N62).	The number of electrical connectors can vary depending on the vehicle equipment.
9	Unclip parking system control unit (N62) from holder (9) (arrow) and remove.
10	Install in the reverse order.
11	Commission parking system control unit (N62).	When replacing parking system control unit (N62).
			AD00.00-P-2000-06FR