Check vehicle underside in visible area for signs of damage, fluid loss and corrosion

AP60.00-P-0051KN

Check vehicle underside in visible area for signs of damage, fluid loss and corrosion

06.12.2019

Model

117, 156, 169, 176, 242, 245, 246

Shown on model 246.208

 Warning

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

 Danger

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

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

Topical note

General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system

AH00.00-Z-0300-01A

Topical note

Notes on battery

AH54.10-P-0001-01A

Notes on evaluating leakages

AH00.00-N-0011-01A

Preparatory activity

1

Lift vehicle with lifting platform.

Model 117, 156, 169, 176, 242, 245, 246



Model 117, 156, 169.0/3, 176, 242, 245.2, 246

AR00.60-P-1000AK



Check

2

Check visible components, lines, hoses on underfloor for damage, routing and leaks.

 If necessary, use commercially available devices/tools.
Swiveling inspection mirror with lighting, comparable to inspection mirror Hazet 1977-1

 Steering,
Spring elements,
Shock absorber,
Front axle shaft boots,
Underfloor paneling,
Heat shields,
Exhaust system,
Exhaust aftertreatment,
Actuator motors of exhaust gas flaps,
Brake system,
Fuel system.

If problems occur,



rectify the problems.

 After obtaining special order.

3

Check visible components, lines, hoses on underfloor for damage, routing and leaks.

Equipment-dependent.

 If necessary, use commercially available devices/tools.
Swiveling inspection mirror with lighting, comparable to inspection mirror Hazet 1977-1

 Electric drive and power electronics,
High-voltage battery and electric lines,
Stationary heater,
Manual transmission,
Clutch operation,
Automatic transmission,
Transfer case (4MATIC).
Rear axle differential (4MMATIC),
Rear axle shafts with boots (4MMATIC).

If a problem occurs,



Rectify problem, subject to separate repair order.

4

Check visible body panels for corrosion and deformation.

 If necessary, use commercially available devices/tools.
Swiveling inspection mirror with lighting, comparable to inspection mirror Hazet 1977-1

 Wheel well body panels
Front axle carrier,
Rear axle carrier,
Chassis steering arms,
Underfloor body panels,
Body reinforcements.

If a problem occurs,



proceed in accordance with the country-specific regulations for mobility and body shell complaints.

5

Check vehicle underside for evidence of driving over obstacles or damage caused by contact with the vehicle underside.

 If necessary, use commercially available devices/tools.
Swiveling inspection mirror with lighting, comparable to inspection mirror Hazet 1977-1

If it is suspected that obstacles have been driven over or bottoming damage has occurred,



Check steering for mechanical damages.

If the steering is mechanically damaged,



Replace steering for safety reasons.

 After obtaining special order.

Finishing activity

6

Lower vehicle with vehicle lift.

Model 117, 156, 169, 176, 242, 245, 246



Model 117, 156, 169.0/3, 176, 242, 245.2, 246

AR00.60-P-1000AK