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.
Total overview - Sedan component locations
1 - CD Changer R41
- In glove compartment
- Connections
- Removing and installing → CD Changer R41 , removing and installing
- iPod Baseplate R192
- Connections
- Removing and installing → iPod Baseplate R192 , removing and installing
2 - Inside Loudspeaker R70
- In front instrument panel, center
- Removing and installing → Inside Loudspeaker R70 , removing and installing
3 - Radio R
- In center console, at top
- "Chorus" connections /from KW 22/04
- "Concert" connections
- "Chorus" / "Concert" , removing and installing → "Chorus" / "Concert" , removing and installing
- "Symphony" connections
- Radio generation II+ connections
- "Symphony" , removing and installing → "Symphony" radio, removing and installing
- "Symphony II+" transport protection, activating/deactivating → "Symphony II+" in transport mode, activating/deactivating
4 - Inside Microphone R74
- In Front Interior Light W1
- Function test → Inside Microphone R74 , function test
- Removing and installing → Inside Microphone R74 , removing and installing
5 - Antenna Amplifier R24 / Antenna Selection Control Module J515
- Behind roof end trim
- Antenna Amplifier R24 connections → Antenna amplifier connections
- Antenna Selection Control Module J515 connections
- Radio generation II+ connections
- Removing and installing → Antenna Amplifier R24 / Antenna Selection Control Module J515 , sedan, removing and installing
6 - Digital Sound System Control Module R12
- Behind luggage compartment right side trim
- Connections
- Removing and installing → Amplifier R12 , Sedan, removing and installing
- BOSE connections
- BOSE, removing and installing → BOSE Amplifier R12 , Sedan, removing and installing
7 - Bass Loudspeaker R100
- In parcel shelf
- Removing and installing → Bass Loudspeaker R100 , Sedan, removing and installing
8 - Left Rear Bass Speaker R15 and Right Rear Bass Speaker R17
- In bottom of rear doors
- Removing and installing
9 - Left Rear Midrange Speaker R34 / Right Rear Midrange Speaker R35
- In top of rear doors
- Removing and installing
10 - Left Front Bass Speaker R21 / Right Front Bass Speaker R23
- In bottom of front doors
- Removing and installing → Speakers in doors, removing and installing
11 - Left Front Midrange Speaker R26 / Right Front Midrange Speaker R27
- In top of front doors
- Removing and installing
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.