Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
External Pages
's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle. Different variant/trim Section 1 (Cables And Fuses - Symptom Related Diagnostic Procedures) Section 2 (Breakout Box, Control Module - Activation & Connection) Section 3 (Transmission - Removal & Installation (Aw55-50/51)) Different car Section 1 (System Wiring Diagrams) Section 2 (System Wiring Diagrams) Section 3 (System Wiring Diagrams) Section 4 (System Wiring Diagrams) Section 5 (Lighting - General Diagnostics And Tests) Section 6 (Headlamp Control Module - Signal Specification) Section 7 (Rear Axle, Drive Shafts - General Diagnostics And Tests) Section 8 (Shock Absorbers, Anti-Roll And Bar Leveling - General Diagnostics And Tests) Section 9 (Suspension Module (Sum) - Specifications, Electrical/Electronic) Section 10 (Suspension Module (Sum) - Specifications, Other) Section 11 (Lighting - Headlamp Control Module (HCM)) Section 12 (Parking Assistance - Specifications, Electrical/Electronic) Section 13 (Rear Axle, Drive Shafts - Specifications, Electrical/Electronic) Section 14 (Rear Axle, Drive Shafts - Cleaning, Inspection And Adjustment) Section 15 (Differential Electronic Module (DEM) - Vehicle Communication) Section 16 (Cooling System - General Safety Information) Section 17 (Seats - Overhaul Instructions) Section 18 (Headlamp Control Module (HCM) - Specifications, Electrical/Electronic (AWD)) Section 19 (Suspension Module (Sum) - General Diagnostics And Tests (AWD)) Section 20 (Suspension Module (Sum) - Vehicle Communication Information (AWD)) Section 21 (Headlamp Control Module (HCM) - Vehicle Communication Information (AWD)) Section 22 (Parking Assistance Module (PAM) - Signal Specification (AWD)) Section 23 (Rear Axle, Drive Shafts - Cleaning, Inspection, Adjustment & Test Drive (AWD)) Section 24 (Clutch - Removal, Replacement And Installation (AWD)) Section 25 (Seats - Overhaul Instructions (AWD)) Section 26 (Coolant Heater, Auxiliary Belt TENSIONER - Removal & Installation) Section 27 (Door Mirror - Removal & Installation (AWD)) Section 28 (Audio Unit & Phone - Removal & Installation (AWD)) Section 29 (Central Loudspeaker - Removal & Installation (AWD)) Section 30 (Back Up Warning Sensor - Removal & Installation (AWD)) Section 31 (Headlights - Removal & Installation (AWD)) Section 32 (Active On Demand Coupling Oil Pump - Removal & Installation (AWD))
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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