Remove/install xenon headlamp control unit

AR82.10-P-4632R

Remove/install xenon headlamp control unit

20.11.2019

Model

230.4

Vehicles up to 28.1.08 without code 809 (Model year 2009)

1

Bolts

E1

Left front lamp unit

E1n1

Xenon headlamp control unit

E2

Right front lamp unit

E2n1

Xenon headlamp control unit

Vehicles as of 29.1.08 or with code 809 (Model year 2009)

1

Bolts

E1

Left front lamp unit

E1n1

Xenon headlamp control unit

E2

Right front lamp unit

E2n1

Xenon headlamp control unit

 

Remove/install

 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

 Danger

Risk of explosion/risk of fire caused by highly flammable materials in the vicinity of damaged xenon bulbs. Risk of injury caused by UV light, hot components on xenon headlamps and glass splinters produced by bursting xenon bulbs. Risk of poisoning caused by inhalation of mercury vapors and by swallowing of/skin contact with toxic salts and mercury compounds.

Do not touch parts conducting high voltage. Persons with active electronic implants (e.g. cardiac pacemakers) must never work on xenon headlamps. Switch off the entire lighting system. Wear insulated safety shoes, safety glasses and protective gloves. Remove highly inflammable materials from the danger zone. Ensure sufficient ventilation in the working area.

AS82.10-Z-0001-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

1

Switch off the ignition and remove the transmitter key from the EIS control unit

 In vehicles with code 889 (KEYLESS-GO), press the KEYLESS-GO start/stop button repeatedly until the ignition is switched off.
Remove KEYLESS-GO chip card or transmitter key from the vehicle and store outside the transmitter range (at least 2 m).

2.1

Remove left front engine compartment lining

Left front engine compartment lining

When removing the xenon headlamp control unit (E1n1) of the left front lamp unit (E1) on vehicles except code 487 (Active Body Control (ABC)) except code P99 ("AMG Black Series" special model)

AR61.20-P-1105R

When removing the xenon headlamp control unit (E1n1) of the left front lamp unit (E1) on vehicles with code P99 ("AMG Black Series" special model)

AR61.20-P-1105RBS

2.2

Remove left front lamp unit (E1)

Left front lamp unit

When removing the xenon headlamp control unit (E1n1) of the left front lamp unit (E1) on vehicles except code 487 (Active Body Control (ABC))

AR82.10-P-4730R

3.1

Remove right front engine compartment paneling

Right front engine compartment lining

When removing the xenon headlamp control unit (E2n1) of the right front lamp unit (E2), except code 228 (Auxiliary heating) except code P99 ("AMG Black Series" special model)

AR61.20-P-1105R

When removing the xenon headlamp control unit (E2n1) of the right front lamp unit (E2) on vehicles with code P99 ("AMG Black Series" special model)

AR61.20-P-1105RBS

3.2

Remove front section of fender liner in right front fender

Right front fender liner

When removing the xenon headlamp control unit (E2n1) of the right front lamp unit (E2) on vehicles except code 228 (Active Body Control (ABC))

AR88.10-P-1300R

4

Remove screws (1) from xenon headlamp control unit (E1n1 or E2n1)

5

Remove xenon headlamp control unit (E1n1) from left front lamp unit (E1) or xenon headlamp control unit (E2n1) from right front lamp unit (E2)

 Installation: Check seal on xenon headlamp control unit (E1n1 or E2n1) for damage and correct installation position.

6

Install in the reverse order

7

Code xenon headlamp control unit (E1n1 or E2n1) using STAR DIAGNOSIS

When replacing the xenon headlamp control unit (E1n1 or E2n1).



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

8

Check adjustment of left front lamp unit (E1) or right front lamp unit (E2), correct if necessary

When replacing the xenon headlamp control unit (E1n1 or E2n1).



AP82.10-P-8260R