(Retrofit Fully Electric Swiveling Trailer Hitch - AN31.10-P-0010LWH)

Model 253.3 up to 5/31/19 

except code 460 (Canada version) 

except code 494 (US version) 

except code 5U1 (Aluminum rear axle carrier) 

except code 737L (Mexico) 

except code 830 (China version) 

except code 835 (South Korea version) 

except code U98 (LITHIUM-ION-STARTERBATTERY (LISB)) 

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Shown with CODE P17 (KEYLESS-GO package) 

Courtesy of MERCEDES-BENZ USA

	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	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
Notice	Notes on retrofitting electrical/optical lines		AH82.00-P-0000-01A
Notice	Notes on self-locking nuts and bolts		AH00.00-P-0001-01KOA
Notice	Notes on the use of paint scraping nuts on ground connections		AH00.19-P-1000-20A
Notice	Notes on installing a trailer hitch		AH31.10-P-1000-02CW
Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Notes on EU type approval requirements		AH31.10-P-1000-03T
	Remove
1	Print out "Trailer hitch certificate" document.	For countries in Europe which do not belong to the EU. The document "Trailer hitch, certificate" must be submitted for the installation acceptance. * Applies to Europe only ↓ Trailer hitch certificate
		Model 253.3 (except 253.364/388/389)	OF31.10-P-1000-01U
2	Print out the detailed installation instructions and hand them over to the customer.	For do-it-yourself installation of trailer hitch by the customer.
3	In the XENTRY Portal Parts Information in DG 99, check if the fuse and relay module installed in the rear passenger compartment in accordance with the vehicle equipment can be used for retrofitting the trailer hitch.	If rear passenger compartment fuse and relay module is incompatible, ↓ replace fuse and relay module in rear passenger compartment.
		The removed fuse and relay module in the rear passenger compartment is no longer required.	AR54.15-P-0001LW
4	In the XENTRY Portal Parts Information in DG 99, check if the cooler installed in accordance with the vehicle equipment can be used for retrofitting the trailer hitch.	If cooler is incompatible, ↓ remove radiator.
		Model 253.3 with engine 274.9, 651 The removed cooler is no longer required.	AR20.20-P-3865RF
5	In the XENTRY Portal Parts Information in DG 99, check if the fan unit installed in accordance with the vehicle equipment can be used for retrofitting the trailer hitch.	If fan unit is incompatible, ↓ remove fan unit.
		Model 253.3 with engine 274.9, 642, 651 The removed fan unit is no longer required.	AR20.40-P-5050RF
6	In the XENTRY Portal Parts Information in DG 99, check if the automatic transmission oil lines installed in accordance with the vehicle equipment can be used for retrofitting the trailer hitch.	If the radiator was replaced. If the automatic transmission oil lines are incompatible, ↓ replace automatic transmission oil lines.
		Model 253.3 with engine 274 with transmission 725.0 with code M005 (Vehicles with 4MATIC/all-wheel drive), model 253.3 with engine 642 with transmission 725.0 with code M005 (Vehicles with 4MATIC/all-wheel drive), model 253.3 with engine 651 with transmission 725.0 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR27.55-P-0600LW
		Model 253.3 with engine 274 with transmission 725.0 except code M005 (Vehicles with 4MATIC/all-wheel drive), model 253.3 with engine 651 with transmission 725.0 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR27.55-P-0600MRE
		Model 253.3 with engine 274.9 with transmission 724.2 The removed automatic transmission oil lines are no longer required.	AR27.55-P-0600LWH
7	In the XENTRY Portal Parts Information in DG 99, check if the fan unit wiring harness installed in accordance with the vehicle equipment can be used for retrofitting the trailer hitch.	If the fan unit wiring harness is incompatible, ↓ remove fan unit wiring harness. The removed fan unit wiring harness is no longer required.
8	Remove battery.	If the wiring harness for the fan unit has be replaced.
			AR54.10-P-0005LW
9	Remove windshield wiper system.	If the wiring harness for the fan unit has be replaced.
			AR82.30-P-6400LW
10	Cut through radiator shutters wiring harness branch-off line at a distance of approx. 2 cm to the black 4-pin coupling.	Model 253.3 with code 2U1 (Radiator shutters)
11	Insulate line ends of radiator shutters wiring harness branch-off line with solder terminal sleeves and strap down.	Model 253.3 with code 2U1 (Radiator shutters)
		Note color coding of the lines. Differently colored lines must be insulated separately.	AR00.19-P-0100A
12.1	Remove right trim in load compartment.	Model 253.3 except code ME05 (Hybrid drive 85 kW-94 kW - variant (incl. plug-in))
			AR68.30-P-1180LWG
12.2	Remove trim at left and right in load compartment.	Model 253.3 with code ME05 (Hybrid drive 85 kW-94 kW - variant (incl. plug-in))
			AR68.30-P-1180LWG
13.1	Remove trim of longitudinal member at right in load compartment.	Model 253.3 except code ME05 (Hybrid drive 85 kW-94 kW - variant (incl. plug-in))
13.2	Remove trim of longitudinal member at left and right in load compartment.	Model 253.3 with code ME05 (Hybrid drive 85 kW-94 kW - variant (incl. plug-in))
14	Remove spare wheel well trim.
15	Remove right D-pillar trim.
			AR68.30-P-4495LWG
16	Remove rear bumper (70).
			AR88.20-P-2200LWG
17	Remove rear switch module lower sensor (A87/2) and rear switch module upper sensor from rear bumper (70).
		Model 253.3 with code P17 (KEYLESS-GO Package)	AR80.61-P-0012LW
18	Unfasten rubber retainers on rear muffler.	Antifriction paste, rubber parts 2.5 kg, DBL 6867.00	*BR00.45-Z-1002-06A
19	Remove crossmember (6).	The crossmember (6) is no longer required.
	Install
20	Retrofit trailer hitch crossmember (1), left longitudinal member reinforcement (2) and right longitudinal member reinforcement (3).		AN31.11-P-0010-04LWH
		Bolt, trailer hitch to longitudinal member reinforcement (short)	*BA31.11-P-1001-01M
		Longitudinal member reinforcement for trailer hitch (short) to body	*BA31.11-P-1002-01M
		Bolt, longitudinal member reinforcement for trailer hitch (long) to body	*BA31.11-P-1003-01M
		Assembly cleaner	*BR00.45-Z-1028-04A
21	Retrofit trailer hitch control unit.		AN31.19-P-8080-05LWH
22	Retrofit wiring harness for fully electric swiveling trailer hitch.		AN31.19-P-0010-03LWH
		Right rear wheel well ground point	*BA00.19-P-1005-01E
		Upper right liftgate ground point	*BA00.19-P-1040-01E
		Lubricant, rubber assembly 1 l	*BR00.45-Z-1010-06A
		Wiring harness repair kit, basic	Fig 2
		New passenger car wiring harness repair kit	Fig 1
23	replace wiring harness for fan unit.	If wiring harness for the fan unit is incompatible.	AN31.19-P-8100-07LWG
		Left front ground point	*BA00.19-P-1003-01E
		Nut, positive line to engine compartment prefuse box	*BA54.15-P-1003-01K
		Wiring harness repair kit, basic	Fig 2
		New passenger car wiring harness repair kit	Fig 1
24	Retrofit switch for fully electric trailer hitch on driver's door.		AN31.19-P-0010-06LWG
25	Retrofit wiring harness for driver's door fully electric trailer hitch switch.		AN31.19-P-0010-04LWG
26	Retrofit switch for fully electric trailer hitch on trunk lid/liftgate.		AN31.19-P-0010-05LWG
27	Retrofit engine compartment lining.	The engine compartment lining is no longer required. Install an engine compartment lining that is compatible with the trailer hitch.	AN31.11-P-8080-11LWG
28	Install shielding (16) at right side on underfloor paneling.
29	Add bumper cutout.	Model 253.3 except code 772 (AMG styling - front spoiler, longitudinal members)	AN31.11-P-8080-02LWH
30	Modify lower bumper section.	Model 253.3 with code 772 (AMG styling - front spoiler, longitudinal members)
31	Install rear switch module upper sensor on rear bumper (70).	Model 253.3 with code P17 (KEYLESS-GO Package)
			AR80.61-P-0012LW
32	Install rear bumper (70).
			AR88.20-P-2200LWG
33	Mount reinforcement (70.3) onto rear bumper (70) and fix in place using expansion rivet (70.4) and screws (70.5).
34	Install rear switch module lower sensor (A87/2) on rear bumper (70).	Model 253.3 with code P17 (KEYLESS-GO Package)
			AR80.61-P-0012LW
35	Install remaining parts.
36	Attach adhesive label for tongue weight.
	Update Vehicle Documentation (VeDoc)
37	Deregister special equipment in vehicle data card online.	Model 253.3 with code 2U1 (Radiator shutters) Code 2U1 (Radiator shutters)
38	Enter special equipment into online vehicle data card.	Code 550 (Trailer hitch)
39	Attach "Trailer hitch retrofitted as per AN31.10-P-0010LWH" note under field organization texts to DG 31, DG 50, DG 52, DG 54, DG 72 and DG 88.
40	Connect diagnostic system and select vehicle using vehicle identification number (VIN).
			AD00.00-P-2000-04B
41	Perform variant coding using the software calibration number (SCN).	Central gateway in electronic ignition lock control unit  Trailer recognition control unit  Instrument cluster  Front SAM control unit  Rear SAM control unit  Head unit  Front door control unit  Drivetrain control unit  Model 253.3 with code 218 (Reversing camera) or with code 501 (360° camera) Camera cover control unit  360° camera control unit
42	Disconnect diagnostic system.
			AD00.00-P-2000-04B
	Check
43	Perform function test of ball neck and light signals on trailer hitch socket.		AN31.10-P-0008-01LWG

Fig 1: Identifying New Passenger Car Wiring Harness Repair Kit (220 589 04 99 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Wiring Harness Repair Kit, Basic (000 589 13 99 00)

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