How should headlights be aimed to ensure safety and proper visibility on Mercedes-Benz C320?

The headlights should also point appropriately so as not to distract the in-coming train, thus potentially causing a dangerous road crash or distortion in the driver sight. The aim of the headlights should be verified every 12 months, and when a new headlight is fitted, or a front end bodywork is carried out. Adjustment is performed by an automatic aiming system and in case of failure to aim properly, the vehicle should be sent to a dealer service department or other qualified shop to be corrected.

How to remove and install headlight housings on Mercedes-Benz C320?

Open the hood and prop it up all the way. If only one headlight housing is being removed, loosen the bumper on that side and cover it with shop towels to prevent scratches. For both headlight housings, remove the bumper cover. Remove the headlight housing bolts, including the upper mounting bolts, lower mounting bolt, and thumbwheel. Pull out the headlight housing and disconnect the electrical connector; if the vehicle has xenon headlights, disconnect the vacuum line from the bottom of the housing. Installation is the reverse of removal. Have the headlight adjustment checked when finished.

Genuine Mercedes-Benz C320 Headlight

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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-09-61
$345.60 MSRP: $580.00
You Save: $234.40 (41%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Lighting Unit; Composite Assembly
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2001-2004 Mercedes-Benz C320 | 4Matic, Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-10-61
$351.60 MSRP: $590.00
You Save: $238.40 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lighting Unit; Composite Assembly
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2001-2004 Mercedes-Benz C320 | 4Matic, Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-15-59
$345.60 MSRP: $580.00
You Save: $234.40 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lighting Unit; Composite Assembly
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2005 Mercedes-Benz C320 | 4Matic, Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-16-59
$345.60 MSRP: $580.00
You Save: $234.40 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lighting Unit; Composite Assembly
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2005 Mercedes-Benz C320 | 4Matic, Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-21-61-64
$356.40 MSRP: $595.00
You Save: $238.60 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lamp Unit; Composite Assembly, Headlamp Assembly
- Replaces: 203-820-21-61
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2003-2004 Mercedes-Benz C320 | Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-09-59-64
$240.00 MSRP: $400.00
You Save: $160.00 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Headlamp Unit; Composite Assembly, Headlamp Assembly
- Replaces: 203-820-49-61, 203-820-09-59
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2005 Mercedes-Benz C320 | Base | 6 Cyl 3.2 L FLEX
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-22-61-64
$412.80 MSRP: $690.00
You Save: $277.20 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lamp Unit; Composite Assembly, Headlamp Assembly
- Replaces: 203-820-22-61
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2003-2004 Mercedes-Benz C320 | Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-46-59
$630.00 MSRP: $1050.00
You Save: $420.00 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Lighting Unit; Composite Assembly, Headlamp Assembly
- Replaces: 203-820-58-61
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2003-2005 Mercedes-Benz C320 | Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-27-59
$804.00 MSRP: $1340.00
You Save: $536.00 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lighting Unit; Composite Assembly, Headlamp Assembly
- Replaces: 203-820-15-61
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2001-2005 Mercedes-Benz C320 | 4Matic, Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-45-59
$984.00 MSRP: $1640.00
You Save: $656.00 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lighting Unit; Composite Assembly, Headlamp Assembly
- Replaces: 203-820-57-61
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2003-2005 Mercedes-Benz C320 | Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-39-59
$876.00 MSRP: $1460.00
You Save: $584.00 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lighting Unit; Headlamp Assembly
- Replaces: 203-820-41-61, 203-820-21-59
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2003-2005 Mercedes-Benz C320 | 4Matic, Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-28-59
$1020.00 MSRP: $1700.00
You Save: $680.00 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lighting Unit; Composite Assembly, Headlamp Assembly
- Replaces: 203-820-16-61
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2001-2005 Mercedes-Benz C320 | 4Matic, Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-35-61
$345.60 MSRP: $580.00
You Save: $234.40 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaced by: 203-820-15-59
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2004-2005 Mercedes-Benz C320 | 4Matic, Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
View related parts
Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-36-61
$345.60 MSRP: $580.00
You Save: $234.40 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaced by: 203-820-16-59
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2004-2005 Mercedes-Benz C320 | 4Matic, Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-42-61
$912.00 MSRP: $1520.00
You Save: $608.00 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Composite Assembly
- Replaced by: 203-820-40-59
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2004-2005 Mercedes-Benz C320 | 4Matic, Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS
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Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-50-61
$252.00 MSRP: $420.00
You Save: $168.00 (40%)
Product Specifications
- Other Name: Headlamp Assembly; Composite Assembly
- Replaced by: 203-820-10-59
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2005 Mercedes-Benz C320 | Base | 6 Cyl 3.2 L FLEX
View related parts
Mercedes-Benz C320 Composite Assembly
Part Number: 203-820-40-59
Product Specifications
- Other Name: Lighting Unit; Headlamp Assembly
- Replaces: 203-820-22-59
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following Vehicles:
- 2003-2005 Mercedes-Benz C320 | 4Matic, Base | 6 Cyl 3.2 L FLEX, 6 Cyl 3.2 L GAS

Mercedes-Benz C320 Headlight

Every OEM part goes through strict quality checks. The checks keep you safe and make Headlight tough. They keep performance the same as your original parts. If your Mercedes-Benz C320 needs OEM parts, visit our catalog. You will find extensive genuine Mercedes-Benz C320 parts. We offer a wide selection at competitive prices, and with clear fit details and simple guidance, choosing what you need is effortless. Each of our parts has a manufacturer's warranty. You will like our simple return policy. We pack and ship fast, and you get your order quickly. Shopping here feels easy and enjoyable.

Mercedes-Benz C320 Headlight Parts and Q&A

Composite Assembly
203-820-09-61
Q: How should headlights be aimed to ensure safety and proper visibility on Mercedes-Benz C320?
A:
The headlights should also point appropriately so as not to distract the in-coming train, thus potentially causing a dangerous road crash or distortion in the driver sight. The aim of the headlights should be verified every 12 months, and when a new headlight is fitted, or a front end bodywork is carried out. Adjustment is performed by an automatic aiming system and in case of failure to aim properly, the vehicle should be sent to a dealer service department or other qualified shop to be corrected.
Composite Assembly
203-820-09-59-64
Q: How to remove and install headlight housings on Mercedes-Benz C320?
A:
Open the hood and prop it up all the way. If only one headlight housing is being removed, loosen the bumper on that side and cover it with shop towels to prevent scratches. For both headlight housings, remove the bumper cover. Remove the headlight housing bolts, including the upper mounting bolts, lower mounting bolt, and thumbwheel. Pull out the headlight housing and disconnect the electrical connector; if the vehicle has xenon headlights, disconnect the vacuum line from the bottom of the housing. Installation is the reverse of removal. Have the headlight adjustment checked when finished.

Related Mercedes-Benz C320 Parts

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