diff --git a/.changelog/3314.added.txt b/.changelog/3314.added.txt
new file mode 100644
index 0000000000..feb0236bae
--- /dev/null
+++ b/.changelog/3314.added.txt
@@ -0,0 +1 @@
+feat(metrics): allow overriding metrics collector configuration
\ No newline at end of file
diff --git a/deploy/helm/sumologic/README.md b/deploy/helm/sumologic/README.md
index d7201df3cf..c2297977e8 100644
--- a/deploy/helm/sumologic/README.md
+++ b/deploy/helm/sumologic/README.md
@@ -128,6 +128,8 @@ The following table lists the configurable parameters of the Sumo Logic chart an
 | `sumologic.metrics.collector.otelcol.cAdvisor.enabled`                                | Enable collection of cAdvisor metrics.                                                                                                                                                                                                                                                                     | `true`                                                                                                                                                                               |
 | `sumologic.metrics.collector.otelcol.annotatedPods.enabled`                           | Enable collection of metrics from Pods annotated with prometheus.io/\* keys. See [docs/collecting-application-metrics.md](/docs/collecting-application-metrics.md#application-metrics-are-exposed-one-endpoint-scenario) for more information.                                                             | `true`                                                                                                                                                                               |
 | `sumologic.metrics.collector.otelcol.allocationStrategy`                              | Allocation strategy for the scrape target allocator. Valid values are: least-weighted and consistent-hashing. See: https://github.com/open-telemetry/opentelemetry-operator/blob/main/docs/api.md#opentelemetrycollectorspectargetallocator                                                                | `least-weighted`                                                                                                                                                                     |
+| `sumologic.metrics.collector.otelcol.config.merge`                                    | Configuration for otelcol metrics collector, merged with defaults. See also https://github.com/SumoLogic/sumologic-otel-collector/blob/main/docs/configuration.md.                                                                                                                                         | {}                                                                                                                                                                                   |
+| `sumologic.metrics.collector.otelcol.config.override`                                 | Configuration for otelcol metrics collector, replaces defaults. See also https://github.com/SumoLogic/sumologic-otel-collector/blob/main/docs/configuration.md.                                                                                                                                            | {}                                                                                                                                                                                   |
 | `sumologic.metrics.dropHistogramBuckets`                                              | Drop buckets from select high-cardinality histogram metrics, leaving only the sum and count components.                                                                                                                                                                                                    | `true`                                                                                                                                                                               |
 | `sumologic.metrics.sourceType`                                                        | The type of the Sumo Logic source being used for metrics ingestion. Can be `http` or `otlp`.                                                                                                                                                                                                               | `otlp`                                                                                                                                                                               |
 | `sumologic.traces.enabled`                                                            | Set the enabled flag to true to enable tracing ingestion. _Tracing must be enabled for the account first. Please contact your Sumo representative for activation details_                                                                                                                                  | `true`                                                                                                                                                                               |
diff --git a/deploy/helm/sumologic/templates/metrics/collector/otelcol/opentelemetrycollector.yaml b/deploy/helm/sumologic/templates/metrics/collector/otelcol/opentelemetrycollector.yaml
index 1a7292650b..aa5a39f5c8 100644
--- a/deploy/helm/sumologic/templates/metrics/collector/otelcol/opentelemetrycollector.yaml
+++ b/deploy/helm/sumologic/templates/metrics/collector/otelcol/opentelemetrycollector.yaml
@@ -1,4 +1,13 @@
 {{- if and (eq (include "metrics.otelcol.enabled" .) "true") .Values.sumologic.metrics.collector.otelcol.enabled }}
+{{ $baseConfig := (tpl (.Files.Get "conf/metrics/collector/otelcol/config.yaml") .) | fromYaml }}
+{{ $mergeConfig := .Values.sumologic.metrics.collector.otelcol.config.merge }}
+{{ $overrideConfig := .Values.sumologic.metrics.collector.otelcol.config.override }}
+{{ $finalConfig := "" }}
+{{ if $overrideConfig }}
+{{ $finalConfig = $overrideConfig }}
+{{ else }}
+{{ $finalConfig = mergeOverwrite $baseConfig $mergeConfig }}
+{{ end }}
 apiVersion: opentelemetry.io/v1alpha1
 kind: OpenTelemetryCollector
 metadata:
@@ -98,5 +107,5 @@ spec:
   - name: file-storage
     mountPath: /var/lib/storage/otc
   config: |
-{{- (tpl (.Files.Get "conf/metrics/collector/otelcol/config.yaml") .) | nindent 4 }}
+{{- $finalConfig | toYaml | nindent 4 }}
 {{- end }}
diff --git a/deploy/helm/sumologic/values.yaml b/deploy/helm/sumologic/values.yaml
index cd072fa536..0d6c7f72e8 100644
--- a/deploy/helm/sumologic/values.yaml
+++ b/deploy/helm/sumologic/values.yaml
@@ -511,6 +511,25 @@ sumologic:
         ## See: https://github.com/open-telemetry/opentelemetry-operator/blob/main/docs/api.md#opentelemetrycollectorspectargetallocator
         # allocationStrategy: least-weighted
 
+        config:
+          ## Directly alter the OT configuration. The value of this key should be a dictionary, that will
+          ## be directly merged with the generated configuration, overriding existing values.
+          ## For example:
+          # override:
+          #   processors:
+          #     batch:
+          #       send_batch_size: 512
+          ## will change the batch size of the pipeline.
+          ##
+          ## WARNING: This field is not subject to backwards-compatibility guarantees offered by the rest
+          ## of this chart. It involves implementation details that may change even in minor versions.
+          ## Use with caution, and consider opening an issue, so your customization can be added in a safer way.
+          merge: {}
+          ## Completely override existing config and replace it with the contents of this value.
+          ## The value of this key should be a dictionary, that will replace the normal configuration.
+          ## This is an advanced feature, use with caution, and review the generated configuration first.
+          override: {}
+
     ## Default metric filters for Sumo Apps
     enableDefaultFilters: false
 
diff --git a/tests/helm/testdata/goldenfile/metrics_collector_otc/basic.output.yaml b/tests/helm/testdata/goldenfile/metrics_collector_otc/basic.output.yaml
index 9657623bfe..70ef273500 100644
--- a/tests/helm/testdata/goldenfile/metrics_collector_otc/basic.output.yaml
+++ b/tests/helm/testdata/goldenfile/metrics_collector_otc/basic.output.yaml
@@ -66,195 +66,188 @@ spec:
   config: |
     exporters:
       otlphttp:
+        disable_keep_alives: true
         endpoint: http://${METADATA_METRICS_SVC}.${NAMESPACE}.svc.cluster.local.:4318
         sending_queue:
-          queue_size: 10000
           num_consumers: 10
+          queue_size: 10000
           storage: file_storage
-        # this improves load balancing at the cost of more network traffic
-        disable_keep_alives: true
-
     extensions:
-      health_check: {}
-      pprof: {}
       file_storage:
-        directory: /var/lib/storage/otc
-        timeout: 10s
         compaction:
-          on_rebound: true
           directory: /tmp
-
-
+          on_rebound: true
+        directory: /var/lib/storage/otc
+        timeout: 10s
+      health_check: {}
+      pprof: {}
     processors:
       batch:
         send_batch_max_size: 2000
         send_batch_size: 1000
         timeout: 1s
-
       transform/drop_unnecessary_attributes:
         error_mode: ignore
         metric_statements:
-          - context: resource
-            statements:
-              - delete_key(attributes, "http.scheme")
-              - delete_key(attributes, "net.host.name")
-              - delete_key(attributes, "net.host.port")
-              - delete_key(attributes, "service.instance.id")
-              # prometheus receiver adds these automatically
-              # we drop them to make the rest of our pipeline easier to reason about
-              # after the collector and metadata are merged, consider using them instead of k8sattributes processor
-              - delete_matching_keys(attributes, "k8s.*")
+        - context: resource
+          statements:
+          - delete_key(attributes, "http.scheme")
+          - delete_key(attributes, "net.host.name")
+          - delete_key(attributes, "net.host.port")
+          - delete_key(attributes, "service.instance.id")
+          - delete_matching_keys(attributes, "k8s.*")
       transform/extract_sum_count_from_histograms:
         error_mode: ignore
         metric_statements:
-          - context: metric
-            statements:
-              - extract_sum_metric(true) where IsMatch(name, "^(apiserver_request_duration_seconds|coredns_dns_request_duration_seconds|kubelet_runtime_operations_duration_seconds)$")
-              - extract_count_metric(true) where IsMatch(name, "^(apiserver_request_duration_seconds|coredns_dns_request_duration_seconds|kubelet_runtime_operations_duration_seconds)$")
-
+        - context: metric
+          statements:
+          - extract_sum_metric(true) where IsMatch(name, "^(apiserver_request_duration_seconds|coredns_dns_request_duration_seconds|kubelet_runtime_operations_duration_seconds)$")
+          - extract_count_metric(true) where IsMatch(name, "^(apiserver_request_duration_seconds|coredns_dns_request_duration_seconds|kubelet_runtime_operations_duration_seconds)$")
     receivers:
       prometheus:
         config:
           global:
             scrape_interval: 30s
           scrape_configs:
-            ## scraping metrics basing on annotations:
-            ##   - prometheus.io/scrape: true - to scrape metrics from the pod
-            ##   - prometheus.io/path: /metrics - path which the metric should be scrape from
-            ##   - prometheus.io/port: 9113 - port which the metric should be scrape from
-            ## rel: https://github.com/prometheus-operator/kube-prometheus/pull/16#issuecomment-424318647
-            - job_name: "pod-annotations"
-              kubernetes_sd_configs:
-                - role: pod
-              relabel_configs:
-                - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
-                  action: keep
-                  regex: true
-                - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
-                  action: replace
-                  target_label: __metrics_path__
-                  regex: (.+)
-                - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
-                  action: replace
-                  regex: ([^:]+)(?::\d+)?;(\d+)
-                  replacement: $1:$2
-                  target_label: __address__
-                - source_labels: [__metrics_path__]
-                  separator: ;
-                  regex: (.*)
-                  target_label: endpoint
-                  replacement: $1
-                  action: replace
-                - source_labels: [__meta_kubernetes_namespace]
-                  action: replace
-                  target_label: namespace
-                - action: labelmap
-                  regex: __meta_kubernetes_pod_label_(.+)
-                - source_labels: [__meta_kubernetes_pod_name]
-                  separator: ;
-                  regex: (.*)
-                  target_label: pod
-                  replacement: $1
-                  action: replace
-            ## These scrape configs are for kubelet metrics
-            ## Prometheus operator does this by manually maintaining a Service with Endpoints for all Nodes
-            ## We don't have that capability, so we need to use a static configuration
-            - job_name: kubelet
-              scheme: https
-              authorization:
-                credentials_file: /var/run/secrets/kubernetes.io/serviceaccount/token
-              tls_config:
-                ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
-                insecure_skip_verify: true
-              honor_labels: true
-              kubernetes_sd_configs:
-                - role: node
-              metric_relabel_configs:
-                - action: keep
-                  regex: (?:kubelet_docker_operations_errors(?:|_total)|kubelet_(?:docker|runtime)_operations_duration_seconds_(?:count|sum)|kubelet_running_(?:container|pod)(?:_count|s)|kubelet_(:?docker|runtime)_operations_latency_microseconds(?:|_count|_sum))
-                  source_labels: [__name__]
-                - action: labeldrop
-                  regex: id
-              relabel_configs:
-                - source_labels:
-                  - __meta_kubernetes_node_name
-                  target_label: node
-                - target_label: endpoint
-                  replacement: https-metrics
-                - source_labels:
-                  - __metrics_path__
-                  target_label: metrics_path
-                  action: replace
-                - source_labels:
-                  - __address__
-                  target_label: instance
-                  action: replace
-            - job_name: cadvisor
-              scheme: https
-              authorization:
-                credentials_file: /var/run/secrets/kubernetes.io/serviceaccount/token
-              tls_config:
-                ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
-                insecure_skip_verify: true
-              honor_labels: true
-              metrics_path: /metrics/cadvisor
-              kubernetes_sd_configs:
-                - role: node
-              metric_relabel_configs:
-                - action: replace
-                  regex: .*
-                  replacement: kubelet
-                  source_labels: [__name__]
-                  target_label: job
-                - action: keep
-                  regex: (?:container_cpu_usage_seconds_total|container_memory_working_set_bytes|container_fs_usage_bytes|container_fs_limit_bytes|container_cpu_cfs_throttled_seconds_total|container_network_receive_bytes_total|container_network_transmit_bytes_total)
-                  source_labels: [__name__]
-                ## Drop container metrics with container tag set to an empty string:
-                ## these are the pod aggregated container metrics which can be aggregated
-                ## in Sumo anyway. There's also some cgroup-specific time series we also
-                ## do not need.
-                - action: drop
-                  source_labels: [__name__, container]
-                  regex: (?:container_cpu_usage_seconds_total|container_memory_working_set_bytes|container_fs_usage_bytes|container_fs_limit_bytes);$
-                - action: labelmap
-                  regex: container_name
-                  replacement: container
-                - action: drop
-                  source_labels: [container] # partially copied from what operator generates
-                  regex: POD
-                - action: labeldrop
-                  regex: (id|name)
-              relabel_configs:
-                - target_label: endpoint
-                  replacement: https-metrics
-                - source_labels:
-                  - __metrics_path__
-                  target_label: metrics_path
-                  action: replace
-                - source_labels:
-                  - __address__
-                  target_label: instance
-                  action: replace
+          - job_name: pod-annotations
+            kubernetes_sd_configs:
+            - role: pod
+            relabel_configs:
+            - action: keep
+              regex: true
+              source_labels:
+              - __meta_kubernetes_pod_annotation_prometheus_io_scrape
+            - action: replace
+              regex: (.+)
+              source_labels:
+              - __meta_kubernetes_pod_annotation_prometheus_io_path
+              target_label: __metrics_path__
+            - action: replace
+              regex: ([^:]+)(?::\d+)?;(\d+)
+              replacement: $1:$2
+              source_labels:
+              - __address__
+              - __meta_kubernetes_pod_annotation_prometheus_io_port
+              target_label: __address__
+            - action: replace
+              regex: (.*)
+              replacement: $1
+              separator: ;
+              source_labels:
+              - __metrics_path__
+              target_label: endpoint
+            - action: replace
+              source_labels:
+              - __meta_kubernetes_namespace
+              target_label: namespace
+            - action: labelmap
+              regex: __meta_kubernetes_pod_label_(.+)
+            - action: replace
+              regex: (.*)
+              replacement: $1
+              separator: ;
+              source_labels:
+              - __meta_kubernetes_pod_name
+              target_label: pod
+          - authorization:
+              credentials_file: /var/run/secrets/kubernetes.io/serviceaccount/token
+            honor_labels: true
+            job_name: kubelet
+            kubernetes_sd_configs:
+            - role: node
+            metric_relabel_configs:
+            - action: keep
+              regex: (?:kubelet_docker_operations_errors(?:|_total)|kubelet_(?:docker|runtime)_operations_duration_seconds_(?:count|sum)|kubelet_running_(?:container|pod)(?:_count|s)|kubelet_(:?docker|runtime)_operations_latency_microseconds(?:|_count|_sum))
+              source_labels:
+              - __name__
+            - action: labeldrop
+              regex: id
+            relabel_configs:
+            - source_labels:
+              - __meta_kubernetes_node_name
+              target_label: node
+            - replacement: https-metrics
+              target_label: endpoint
+            - action: replace
+              source_labels:
+              - __metrics_path__
+              target_label: metrics_path
+            - action: replace
+              source_labels:
+              - __address__
+              target_label: instance
+            scheme: https
+            tls_config:
+              ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+              insecure_skip_verify: true
+          - authorization:
+              credentials_file: /var/run/secrets/kubernetes.io/serviceaccount/token
+            honor_labels: true
+            job_name: cadvisor
+            kubernetes_sd_configs:
+            - role: node
+            metric_relabel_configs:
+            - action: replace
+              regex: .*
+              replacement: kubelet
+              source_labels:
+              - __name__
+              target_label: job
+            - action: keep
+              regex: (?:container_cpu_usage_seconds_total|container_memory_working_set_bytes|container_fs_usage_bytes|container_fs_limit_bytes|container_cpu_cfs_throttled_seconds_total|container_network_receive_bytes_total|container_network_transmit_bytes_total)
+              source_labels:
+              - __name__
+            - action: drop
+              regex: (?:container_cpu_usage_seconds_total|container_memory_working_set_bytes|container_fs_usage_bytes|container_fs_limit_bytes);$
+              source_labels:
+              - __name__
+              - container
+            - action: labelmap
+              regex: container_name
+              replacement: container
+            - action: drop
+              regex: POD
+              source_labels:
+              - container
+            - action: labeldrop
+              regex: (id|name)
+            metrics_path: /metrics/cadvisor
+            relabel_configs:
+            - replacement: https-metrics
+              target_label: endpoint
+            - action: replace
+              source_labels:
+              - __metrics_path__
+              target_label: metrics_path
+            - action: replace
+              source_labels:
+              - __address__
+              target_label: instance
+            scheme: https
+            tls_config:
+              ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+              insecure_skip_verify: true
         target_allocator:
+          collector_id: ${POD_NAME}
           endpoint: http://RELEASE-NAME-sumologic-metrics-targetallocator
           interval: 30s
-          collector_id: ${POD_NAME}
-
     service:
-      telemetry:
-        logs:
-          level: info
-        metrics:
-          address: 0.0.0.0:8888 # this is the default, but setting it explicitly lets the operator add it automatically
       extensions:
-        - health_check
-        - pprof
-        - file_storage
+      - health_check
+      - pprof
+      - file_storage
       pipelines:
         metrics:
-          exporters: [otlphttp]
+          exporters:
+          - otlphttp
           processors:
-            - batch
-            - transform/extract_sum_count_from_histograms
-            - transform/drop_unnecessary_attributes
-          receivers: [prometheus]
+          - batch
+          - transform/extract_sum_count_from_histograms
+          - transform/drop_unnecessary_attributes
+          receivers:
+          - prometheus
+      telemetry:
+        logs:
+          level: info
+        metrics:
+          address: 0.0.0.0:8888
diff --git a/tests/helm/testdata/goldenfile/metrics_collector_otc/custom.input.yaml b/tests/helm/testdata/goldenfile/metrics_collector_otc/custom.input.yaml
index d16eae3a30..928259cc0e 100644
--- a/tests/helm/testdata/goldenfile/metrics_collector_otc/custom.input.yaml
+++ b/tests/helm/testdata/goldenfile/metrics_collector_otc/custom.input.yaml
@@ -41,6 +41,11 @@ sumologic:
         annotatedPods:
           enabled: false
         allocationStrategy: consistent-hashing
+        config:
+          merge:
+            processors:
+              batch:
+                send_batch_size: 5000
     enableDefaultFilters: true
     dropHistogramBuckets: false
 
diff --git a/tests/helm/testdata/goldenfile/metrics_collector_otc/custom.output.yaml b/tests/helm/testdata/goldenfile/metrics_collector_otc/custom.output.yaml
index 7519b673bf..9d74926572 100644
--- a/tests/helm/testdata/goldenfile/metrics_collector_otc/custom.output.yaml
+++ b/tests/helm/testdata/goldenfile/metrics_collector_otc/custom.output.yaml
@@ -85,45 +85,36 @@ spec:
   config: |
     exporters:
       otlphttp:
+        disable_keep_alives: true
         endpoint: http://${METADATA_METRICS_SVC}.${NAMESPACE}.svc.cluster.local.:4318
         sending_queue:
-          queue_size: 10000
           num_consumers: 10
+          queue_size: 10000
           storage: file_storage
-        # this improves load balancing at the cost of more network traffic
-        disable_keep_alives: true
-
     extensions:
-      health_check: {}
-      pprof: {}
       file_storage:
-        directory: /var/lib/storage/otc
-        timeout: 10s
         compaction:
-          on_rebound: true
           directory: /tmp
-
-
+          on_rebound: true
+        directory: /var/lib/storage/otc
+        timeout: 10s
+      health_check: {}
+      pprof: {}
     processors:
       batch:
         send_batch_max_size: 2000
-        send_batch_size: 1000
+        send_batch_size: 5000
         timeout: 1s
-
       transform/drop_unnecessary_attributes:
         error_mode: ignore
         metric_statements:
-          - context: resource
-            statements:
-              - delete_key(attributes, "http.scheme")
-              - delete_key(attributes, "net.host.name")
-              - delete_key(attributes, "net.host.port")
-              - delete_key(attributes, "service.instance.id")
-              # prometheus receiver adds these automatically
-              # we drop them to make the rest of our pipeline easier to reason about
-              # after the collector and metadata are merged, consider using them instead of k8sattributes processor
-              - delete_matching_keys(attributes, "k8s.*")
-
+        - context: resource
+          statements:
+          - delete_key(attributes, "http.scheme")
+          - delete_key(attributes, "net.host.name")
+          - delete_key(attributes, "net.host.port")
+          - delete_key(attributes, "service.instance.id")
+          - delete_matching_keys(attributes, "k8s.*")
     receivers:
       prometheus:
         config:
@@ -131,24 +122,25 @@ spec:
             scrape_interval: 60s
           scrape_configs: []
         target_allocator:
+          collector_id: ${POD_NAME}
           endpoint: http://RELEASE-NAME-sumologic-metrics-targetallocator
           interval: 30s
-          collector_id: ${POD_NAME}
-
     service:
-      telemetry:
-        logs:
-          level: info
-        metrics:
-          address: 0.0.0.0:8888 # this is the default, but setting it explicitly lets the operator add it automatically
       extensions:
-        - health_check
-        - pprof
-        - file_storage
+      - health_check
+      - pprof
+      - file_storage
       pipelines:
         metrics:
-          exporters: [otlphttp]
+          exporters:
+          - otlphttp
           processors:
-            - batch
-            - transform/drop_unnecessary_attributes
-          receivers: [prometheus]
+          - batch
+          - transform/drop_unnecessary_attributes
+          receivers:
+          - prometheus
+      telemetry:
+        logs:
+          level: info
+        metrics:
+          address: 0.0.0.0:8888