Carry Out Measurements On Structural Components - Ar62.10-P-1110-02LWX

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Topical note	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A .
	Note on working on aluminum components and vehicles		AH60.00-P-0034-01LW .
	000 588 01 23 00 Body straightening system		WS60.00-P-0023K .
	Checklist for damage diagnosis in the event of an accident, form	Model 253	OF60.00-P-1000-01LWX .

Model 253

Model 293

MODIFICATION NOTES

14.09.2017

Bolt, cross member to soundproofing

Model 253

BA62.30-P-1001-01H

MEASUREMENT OF STRUCTURAL COMPONENTS

Number	Designation				Model 253	Model 293
BE62.10-P-1001-02A	Front end, suspension strut tower	Specified value for tolerance range in "X"	Point 4, left/right	mm	±2	±2
		Specified value for tolerance range in "Y"	Point 4, left/right	mm	±2	±2
		Specified value for tolerance range in "Z"	Point 4, left/right	mm	±2	±2

MEASUREMENT OF STRUCTURAL COMPONENTS

Number	Designation					Model 253	Model 293
BE62.10-P-1002-02A	Front end, connecting flange on suspension strut tower for front module carrier	Specified value for tolerance range in "X"	Point 5, left/right		mm	±2	±2
		Specified value for tolerance range in "Y"	Point 5, left/right		mm	±2	±2
		Index for measuring point "Z"	Point 5, left/right	Actual value deviation = OK	mm	<±2	<±2
				Actual value deviation = restraightening permissible	mm	< ± 10	< ± 10
				Actual value deviation = replace component part	mm	≤ ± 10	> ± 10

MEASUREMENT OF STRUCTURAL COMPONENTS

Number	Designation				Model 253	Model 293
BE62.10-P-1003-02A	Rear end, crossmember above rear axle	Specified value for tolerance range in "X"	Point 6, left/right	mm	-	-
		Specified value for tolerance range in "X"	Point 7, left/right	mm	±2	±2
		Specified value for tolerance range in "Y"	Point 6, left/right	mm	-	-
		Specified value for tolerance range in "Y"	Point 7, left/right	mm	±2	±2
		Specified value for tolerance range in "Z"	Point 6, left/right	mm	-	-
		Specified value for tolerance range in "Z"	Point 7, left/right	mm	±2	±2

MEASUREMENT OF STRUCTURAL COMPONENTS

Number	Designation				Model 253	Model 293
BE62.10-P-1004-02A	Rear end, longitudinal member bracket	Specified value for tolerance range in "X"	Point 8/9, left/right	mm	±2	±2
		Specified value for tolerance range in "Y"	Point 8/9, left/right	mm	±2	±2
		Specified value for tolerance range in "Z"	Point 8/9, left/right	mm	±2	±2

MEASUREMENT OF STRUCTURAL COMPONENTS

Number	Designation				Model 253	Model 293
BE62.10-P-1005-02A	Rear end, suspension strut tower	Specified value for tolerance range in "X"	Point 10, left/right	mm	±2	±2
		Specified value for tolerance range in "Y"	Point 10, left/right	mm	±2	±2
		Specified value for tolerance range in "Z"	Point 10, left/right	mm	±2	±2

FRONT AXLE CARRIER TORQUE SPECIFICATIONS

Number	Designation		Model 253	Model 293
BA33.10-P-1001-01Q	Bolt, front axle carrier to longitudinal member	Nm	180	180

CROSS MEMBER AND FRONT REINFORCEMENT TORQUE SPECIFICATIONS

Number	Designation					Model 253	Model 293
BA62.30-P-1001-01H	Bolt, cross member to soundproofing	M10	Stage 1	Left side	Nm	28	28
			Stage 1	Right side	Nm	35	35
			Stage 2		∠°	135	135

CROSS MEMBER AND FRONT REINFORCEMENT TORQUE SPECIFICATIONS

Number	Designation				Model 253	Model 293
BA62.30-P-1005-01H	Bolt, insulation to longitudinal member	M12	Stage 1	Nm	90	90
BA62.30-P-1005-01H	Bolt, insulation to longitudinal member	M12	Stage 2	∠°	90	90

The measurement of the structural components may only be performed in combination with the approved electronic measuring systems.

The following operation steps are shown on model 253.3.

Survey pattern for measurement of structural components of front end, shown on right side of vehicle

G14470999

Courtesy of MERCEDES-BENZ USA

G14471000

Courtesy of MERCEDES-BENZ USA

Loosen screws (1, 2, 3).
Measure, evaluate suspension strut tower (A) at measuring point (4) and enter measurement value as well as result in checklist.
Always replace spring strut dome (A) in event of cracks, folds or deformation. Otherwise the required minimum strength of the structural components is not ensured.

Measuring point (4) is always the screw head in the case of an installed strut.

A reshaping or repair is not permissible.

Shown on right side of vehicle

Courtesy of MERCEDES-BENZ USA
Measure, evaluate connecting flange at suspension strut tower for front module carrier (B) at measuring point (5) and enter measurement value as well as result in checklist.
In event of cracks or folds on the connecting flange on the suspension strut tower for the front module carrier (B) always suspension strut tower. Otherwise the required minimum strength of the structural components is not ensured.

Courtesy of MERCEDES-BENZ USA

The measuring point (5) is always the center thread on the connection flange of the suspension strut tower for the front module carrier (B).

Reshaping or repairing is permissible to a limited extent.

Shown on right side of vehicle

Survey pattern for measurement of structural components of rear end, shown on right side of vehicle

Courtesy of MERCEDES-BENZ USA
Measure and assess crossmember above rear axle (C) at measuring point (7) and enter measurement value and result in checklist.
Always replace crossmember above rear axle (C) in event of cracks, folds or deformation.

Otherwise the required minimum strength of the structural components is not ensured.

Measuring point (7) is at center on screw head.

reshaping or repair is not permissible.

Shown on right side of vehicle

Courtesy of MERCEDES-BENZ USA
Measure and assess longitudinal member mounting console (D) at measuring points (8, 9) and enter measurement value and result in checklist.
Always longitudinal member console (D) in event of cracks, folds or deformation. Otherwise the required minimum strength of the structural components is not ensured.

Measuring points (8, 9) are at center on screw heads.

A reshaping or repair is not permissible.

Shown on right side of vehicle

Courtesy of MERCEDES-BENZ USA
Measure, evaluate shock-absorber strut tower (E) at measuring point (10) and enter measurement value as well as result in checklist.
Always replace damper strut dome (E) in event of cracks, folds or deformation. Otherwise the required minimum strength of the structural components is not ensured.

Measuring point (10) is at center on screw head of rear screw.

A reshaping or repair is not permissible.

Shown on left side of vehicle

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA
Tighten screws (1).
If no additional work is required in this area.
Tighten screws (2).
If no additional work is required in this area.
Tighten bolts (3).

If no additional work is required in this area.